CN103338671A

CN103338671A - Convertible shoe

Info

Publication number: CN103338671A
Application number: CN2012800022194A
Authority: CN
Inventors: 萨拉·梅丽莎·穆赫兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-09
Filing date: 2012-10-11
Publication date: 2013-10-02

Abstract

A convertible shoe comprises: a top portion having a foot bed and an upper, and a bottom side attachment means; a middle insert portion having a top side attachment means and a bottom side attachment means; a bottom portion having a top side attachment means and a tread; wherein said bottom side attachment means of said top portion and said middle insert are identical and said top side attachment means of said middle insert and bottom portion are identical, and wherein said top side attachment means are sized, space and configured to correspond and removably attach to said bottom side attachment means such that said top portion can attach directly to said bottom portion to create a low heeled show or said top portion can attach to said middle insert and said middle insert attach to said bottom portion to create a high heeled shoe. The convertible shoe of claim 1 , wherein; said bottom side attachment means includes a protruding perimeter ridge and bottom attachment material and said top side attachment means includes a recessed perimeter channel and top attachment material, and wherein said top attachment material mates with said bottom attachment material to securely hold said bottom side to said top side and wherein perimeter ridge is sized and configured to fit within said perimeter channel to create a secure yet removable attachment. The bottom side attachment has a non-uniform curved perimeter and said perimeter ridge is space a uniform distance from said perimeter thereby giving said perimeter ridge a nonuniform curved shape; said top side attachment has a non-uniform curved perimeter and said perimeter channel is spaced a uniform distance from said perimeter thereby giving said perimeter channel a nonuniform curved shape. The top side, the insertion portion and the reel part of the bottom part have curve or concave cross sections, thereby providing a surface for grasping, thereby the shoe components can be separated.

Description

A kind of convertible footwear

Technical field

The present invention relates to a kind of footwear, it has detachable and interchangeable insert and sole, is transformed to higher footwear of following will hang down with footwear, perhaps playshoes is transformed to sport footwear.

Background technology

There are many existing inventions all to relate to the footwear with additional insert, footwear can be transformed to higher footwear of following from low with footwear or walking shoes, and have many existing inventions all to relate to the footwear that have detachable and interchangeable sole.The U.S. Patent No. 7752695 of authorizing Kaufman etc. on July 13rd, 2010 relates to a kind of footwear that can insert with dismountable wedge that have, and described wedge can be inserted at the end in footwear and the opened space between the sole of heel inside.This invention relates to a kind of be used to the interim insert of finishing operation, but it has told about the method for using dismountable insert to change the height of heel.

Be disclosed on October 30th, 2003, the U.S. Patent Application Publication No.US2003/0200675 that authorizes Gross has told about the footwear of a kind of sandals or folder flip-flop pattern, and it has the height that a plurality of inserts or nucleus module are regulated footwear.Described these nucleus modules all have identical thickness, have therefore changed the overall height of footwear, but heel is also constant with respect to the height of toe-cap.Described these nucleus modules are by a series of corresponding holes and can insert pin and locate, and combine by hook and the ring material that is complementary.

The U.S. Patent No. of authorizing Cracco 3902259 that is disclosed on September 2nd, 1975 discloses a kind of sandals that have interchangeable panel and sole.Described panel and sole can be dismantled and replace by a series of interlock slot, and position by a plurality of corresponding projectioies and hole.Can change the outward appearance that described panel and sole change described sandals, and in one embodiment, can use the sole that has slipsole to replace flat sole, thereby described footwear are become than high-heeled shoes with footwear by low.But insertion parts did not become the method that height is followed with low following in the middle of Cracco had public use, and had been to use a plurality of parts that have complicated lock mechanism.

The U.S. Patent No. 5317822 of authorizing Johnson on June 7th, 1994 relates to a kind of sport footwear that has interchangeable wear-resisting sole or sole tyre surface.Purpose is in order to allow the user to change described tyre surface, so that optimum Match is realized on the surface of described tyre surface and moving region.Described sole positions by a series of corresponding knobs and knob chamber, described these parts are aimed at, and described sole in position is to be undertaken by Velcro (Velcro) hook and ring material and a series of lock bracket that has the stop pin of placing around described sole periphery.The U.S. Patent No. 7549237 of authorizing Gallegos on June 23rd, 2009 discloses a kind of footwear that have detachable and interchangeable liner and rectification plate.The location of described liner and rectification plate with in position be by corresponding column and hole, perhaps for example carried out the Velcro by hook and ring material.Gallegos does not change the height of heel or the tyre surface on the sole.

The U.S. Patent Application Publication No.US2009/0193684 that authorizes Diamond that is disclosed on August 6th, 2009 has told about a kind of convertible footwear, it has detachable and interchangeable pin bed upper of a shoe and has the sole portion of the sole of various height and pattern, and heel portion.Described these parts are aimed at by a series of corresponding protuberances and groove, and by corresponding hook and ring material such as Velcro and outside footwear a series of buckles that are similar to securing member on the bottom perimeter carry out in position.Diamond discloses the heel of differing heights and pattern, but uses the insert that is placed between the interior end of described footwear and the sole to change the height of footwear or heel really.

Summary of the invention

Technical problem;

High-heeled shoes are fashion very, but also uncomfortable usually.If it is wear a very long time, high with can especially making us uncomfortable.Just because of this point, after a very long time that wears high heels, ladies can replace by many band a pair of shoes usually.Morning, ladies generally wore walking shoes when going to work, or often wore tennis shoes, changed fashionable high-heeled shoes into to office then.Usually, if wear high heels at night, ladies also can be with the more comfortable footwear of a pair of in bag, drag as ballet walking shoes or herringbone, in order to use afterwards.See that through regular meeting ladies are wearing high-heeled shoes and walking barefoot after a very long time.Therefore, need have a kind of not only fashion but also be easy to from height be transformed to low with, be easy to be transformed to the footwear of sport footwear simultaneously.

Solution;

The present invention is a kind of convertible footwear, comprises the end, insert and sole in the footwear that have pin bed and upper of a shoe.Attachment arrangement by a kind of standard is attached to described insert with the end in the described footwear, and described insert is attached to described sole.The end, can directly be attached to described sole in the described footwear, and with formation walking shoes or low with footwear, and insert can add between the interior end of described footwear and the described sole, to form higher footwear of following.In a kind of modification, can use two or more inserts to form a kind of footwear that have multiple variable height.In another kind of modification, by interchangeable sole bottom, in the bottom of sole different tyre surface structures can be arranged, have the dissimilar footwear of identical upper of a shoe, for example dress shoes and golf shoes with formation.

The preferred embodiment of described convertible footwear is footwear of a kind of slipsole pattern.The footwear of described slipsole pattern will have three parts that separate: by the top component that the end is formed in the footwear; The intermediate member of being formed by insert; And the bottom part of being formed by sole.When these three parts are secured together when all, the footwear of described slipsole pattern are the high-heeled shoes of about 4 inches height, and when dismantling interposition, the end, directly be attached to described sole in the described footwear, and the footwear of described slipsole pattern will be transformed to height heels from high-heeled shoes and be about 1 to 2 inch the low footwear of following.And described bottom sole is always in the bottom of footwear always at the top of footwear at the end in the footwear of described top.The upper of a shoe that the footwear of this version will have various patterns uses for ladies.

Convertible footwear of the present invention also will have a kind of sport footwear version, have only the end and bottom sole in the footwear of top.This version will make disposable bottom sole have the feature that has different tyre surfaces, and by replacing described bottom sole, tennis shoes or dress shoes will be transformed into golf shoes.This sport footwear of at least two kinds of different editions will be had: a kind of man's of being wing tip footwear or dress shoes, can be transformed into golf shoes by changing described sole and tyre surface, and another kind is Ms or man's tennis shoes, can be transformed into golf shoes by changing described sole and tyre surface.The footwear of this version are applicable to man, Ms and children's style and style.

Beneficial effect of the present invention;

A technical difficulty that is formed for dismountable attachment arrangement of footwear parts is, it must enough can bear the dynamic force that is applied on the footwear securely, and keeps these parts to be attached at securely together and also will be easy to simultaneously and divide easily and come.The present invention has realized this point by means of attachment arrangement, and described attachment arrangement comprises the peripheral ridges of described paired projection and recessed circumferential groove and attach material.Described peripheral ridges is in the bottom surface of top component, and described groove is at the end face of described bottom part.On two parts, attach material is arranged.Described attach material combines described two parts, and simultaneously paired peripheral ridges and circumferential groove allow attachment arrangement can bear those power that are applied on the footwear, and keep these parts to be attached at together securely.Verified, the combination of described paired peripheral ridges and circumferential groove and attach material is very firm, to such an extent as to be difficult to separately these parts in some cases.This just cause having produced on sole and insert the spill cross section and in footwear the expansion cross section at the end, this had both formed attractive outward appearance at the rear portion of footwear, had formed handle easily again, was used for holding when attached and dismounting these parts.

Description of drawings

Fig. 1 is the side view of described convertible footwear, and the end is attached to described insert in the wherein said footwear, and described insert is attached to described sole.

Fig. 2 is the decomposition side view of described convertible footwear, shows in the described footwear end in placely will be attached to described insert, will be attached on the described sole and described insert is in place.

Fig. 3 is the birds-eye perspective of first embodiment of top attachment arrangement, shows described groove and described top attachment area.

Fig. 4 is the face upwarding view of first embodiment of described bottom attachment arrangement, shows described outstanding spine and described bottom attachment area.

Fig. 5 is the decomposition diagram from described convertible sole face, shows the bottom attachment arrangement of the interior end of described footwear and described insert, and first embodiment of described sole tyre surface.

Fig. 6 is the decomposition diagram from the top of described convertible footwear, shows first embodiment of the top attachment arrangement of the pin bed at the end in the described footwear and described insert and sole.

Fig. 7 is partial section, shows the peripheral ridges that is inserted in the circumferential groove, also shows attach material.

Fig. 8 is the birds-eye perspective of second embodiment of described top attachment arrangement, shows described circumferential groove, described protuberance groove and described top attachment area.

Fig. 9 is the upward view of second embodiment of described bottom attachment arrangement, shows described outstanding spine, projecting teeth portion and bottom attachment area.

Figure 10 is the decomposition diagram of seeing from described convertible sole face, shows the bottom attachment arrangement of the interior end of described footwear and described insert, and second embodiment of described sole tyre surface.

Figure 11 is the decomposition diagram of seeing from the top of described convertible footwear, shows second embodiment of the top attachment arrangement of the pin bed at the end in the described footwear and described insert and sole.

Figure 12 is the rearview of described convertible footwear, shows the spill cross section of the heel of described sole and insert, and the cross section of the expansion shape of the heel at the interior end of described footwear.

Figure 13 is the side view of described convertible footwear, shows the end in the footwear that directly are attached to described sole, to form low footwear with version.

Figure 14 is the decomposition side view of described convertible footwear, shows in the described footwear end in placely will directly be attached to described sole.

Figure 15 is the upward view of bottom tyre surface of the sole of described convertible footwear.

Figure 16 is the tyre surface upward view of golf shoes version.

Figure 17 is the side view of different embodiments of the upper of a shoe of described convertible footwear.

Figure 18 is the side view of different embodiments of the upper of a shoe of described convertible footwear.

Figure 19 is bowknot on the heel of the end and sole in the footwear of described convertible footwear and the detail view of clip.

The specific embodiment

Detailed specific embodiments of the present invention here will be disclosed.Yet should be appreciated that disclosed embodiment only is exemplary of the present invention, and the present invention can implement by multiple alterative version.Therefore, concrete structure disclosed herein and function detail are not restrictive, only are to be principle with the claim, as the representativeness principle that different embodiments are described to those skilled in the art.

By in the footwear of described top, adding insert 30 simply in the end 10 and the described bottom footwear, described convertible footwear 100 can be followed with being transformed to height from low at the end 50.In preferred embodiments, described convertible footwear 100 will comprise three kinds of different parts: the top is made up of the upper of a shoe 60 of the end 10 and patternization in the footwear that have pin bed 11; The middle part is made up of insert 30; And the bottom is made up of described sole 50.Specific as follows described, described these parts are undertaken attached by unified attachment arrangement, follow to form to hang down thereby allow the interior end 10 of described footwear directly to be attached to described sole 50, or comprise that insert 30 becomes higher footwear of following.In a kind of version of replacement, a plurality of inserts can be arranged, and each all has identical thickness, in preferred embodiments, the thickness that the insert at footwear rear portion is nearly one inch, this allow to form has from 1 inch to 4 inches and is the footwear of heel of the thickness of incremented with one inch.In second embodiment, the end 10, can directly be attached to described sole 50 in the described footwear, but in the bottom a plurality of interchangeable soles 50 with different tyre surface parts 52 will be arranged, and therefore by changing described sole 50, the type of described footwear can be changed.For example, this will allow and can change to golf shoes from dress shoes.The details of these embodiments will be described by reference to the accompanying drawings.

As depicted in figs. 1 and 2, described convertible footwear 100 comprise the end 10, insert 30 and sole 50 in the footwear.The end 10, have pin bed 11 in the described footwear, and described pin bed 11 is positioned at the bottom of the described footwear 10 top, is wearer's pin place.Have in the footwear end heel end 14 in the end toe-end 13 and footwear, they are corresponding with wearer's heel and toe, and corresponding to the footwear term of standard.Also have footwear inner bottom periphery 15, it is around the periphery at the end 10 in the described footwear and corresponding to common alleged footwear outer bottom.The end 10, also have bottom surface 12 in the described footwear, and described bottom surface 12 comprises bottom surface attachment arrangement 20, and this will be described below.Described insert 30 has end face 31, bottom surface 32, insert toe-end 33, insert heel end 34 and insert periphery 35, and described insert periphery 35 is outer surfaces of described insert 30.Described insert lower surface 32 comprises described bottom surface attachment arrangement 20, and this will be described below.As described below, described insert end face 31 comprises described end face attachment arrangement 40.Described sole 50 has end face 51, is commonly called bottom surface, sole toe-end 53, the sole heel end 54 of tyre surface 52 at this, and sole periphery 55 or outer surface or outer bottom.As described below, described sole end face 51 comprises described end face attachment arrangement 40.Described convertible footwear 100 are designed such that described footwear inner bottom surface 12 is identical with described insert bottom surface 32, and described insert end face 31 is identical with described sole end face 51, described these two bottom surfaces have identical bottom surface attachment arrangement 20, and described these two end faces have identical end face attachment arrangement 40.In addition, as described below, described bottom surface attachment arrangement 20 is corresponding with described end face attachment arrangement 40, so that the interior end 10 of described footwear, can directly be attached to described sole 50 to form the low footwear of following, perhaps be attached to described insert 30, and described insert 30 is attached to described sole 50 to form high-heeled shoes.

Can be clear that the end 10 has uniform thickness between described pin bed 11 and described bottom surface 12 in the described footwear by Fig. 2, and end toe-end 13 extends to end heel end 14 in the described footwear in the described footwear.The end 10, all have uniform thickness in the footwear of the footwear 100 of described various modification.In preferred embodiments, the end 10 is 7.0 millimeters thick in the described footwear, but can change between about 1/4th inches thickness to four/threes' inch thickness range.Described insert 30 is wedge shape between described end face 31 and described

bottom surface

32, and 33 places are thin at described insert toe-end, and is thick at described insert heel end 34 places.The thickness that the described insert 30 of the footwear 100 of described various modification all has wedge shape.In preferred embodiments, described insert 30 has at described insert toe-end 33 places and is about 7 millimeters thickness, is about 45 millimeters thickness and have at described insert heel end 54 places.The thickness of described insert toe-end 33 will always be roughly 1/4th inches, but can be between about 1 inch to about 3 inches at the thickness range at described insert heel end 34 places.As shown in Figure 2, described sole 50 is wedge shape between described end face 51 and described

tyre surface

52, and 53 places are thin at the sole toe-end, and thicker at sole heel end 54 places.In preferred embodiments, the thickness of described sole 50 is approximately 7 millimeters at sole toe-end 53 places, is approximately 58 millimeters at sole heel end 54 places.The thickness of described sole 50 will always be about 0.5 inch at described sole toe-end 53 places, but the thickness range at described sole heel end 54 places can about 3 inches from 0.5 inch of disposable sport footwear version as described below to described high-heeled shoes version.Fig. 1 and Fig. 2 show that also the toe-end of described footwear (13,33 and 53) is bent upwards slightly.This is very general in footwear, and is called as " play head ".The described head of playing allows a wearer to roll forward at sole thenar place, and this is comfortable and also be necessary the walking normally for the wearer who allows described footwear 100.

The described attachment arrangement of described first embodiment is shown in Fig. 3,4,5 and 6.Described bottom surface attachment arrangement 20 as shown in Figure 4.Bottom surface 12, the ends 10 is identical with described bottom surface attachment arrangement 20 on insert 30 bottom surfaces 32 in described footwear.Described bottom surface attachment arrangement 20 has toe-end 23 and heel end 24, and is made up of outstanding peripheral ridges 21 and the described bottom attachment area 25 that is positioned at described peripheral ridges 21.Described peripheral ridges 21 has the cross section that is roughly rectangle, and be approximately 1/4th inches wide and about 1/4th inches thick, but this size can slight change.In preferred embodiments, described peripheral ridges 21 at the top is 8.0 millimeters, and is reduced to 8.3 millimeters gradually in the bottom, and wherein said peripheral ridges 21 is attached on described surperficial 20.The height of described peripheral ridges 21 is 6.0 millimeters.Attach material sheet 26 is positioned at described bottom attachment area 25.In a kind of modification, hook and ring material that described attach material 26 is standards are commonly referred to the Velcro, and in another embodiment, described attach material 26 is " mushroom Velcros ", such as being called those securing members that 3-M twin-lock board is sold.This material is called as a mushroom Velcro, is because their cross section has the outstanding head from stem as mushroom.When two corresponding mushrooms Velcro sheet presses together, in the space that described head forms with regard to snapping in described stem, thereby formed very firm cooperation.By known method gluing or that other is conventional, described attach material 26 is adhered in the described attachment area 25.

Described end face attachment arrangement 40 as shown in Figure 3, and the described end face attachment arrangement 40 in the end face of described insert 30 and described sole 50 is identical.Described end face attachment arrangement 40 has toe-end 43 and heel end 44, and is made up of circumferential groove 41 and the top attachment area 45 on the end face that is positioned at circumferential groove 41.The described circumferential groove 41 of described end face attachment arrangement 40 is corresponding with the peripheral ridges 21 of bottom surface attachment arrangement 20, makes peripheral ridges 21 stretch out and be engaged in the described circumferential groove 41 downwards.Described circumferential groove 41 has the cross section of essentially rectangular, and about 1/4th inches wide and about 1/4th inches thick.In the most preferred embodiment, the bottom width of described circumferential groove 41 is that 8.2 millimeters, top width are that 8.5 millimeters, the degree of depth are 6.0 millimeters.By attachment method gluing or that other is known, described attach material sheet 46 is attached in the described top attachment area 45.In a kind of modification, hook and ring material that described attach material 46 is standards are commonly referred to the Velcro, and in another embodiment, described attach material 46 is mushroom Velcros.Obviously, described top attach material 46 will be corresponding with described bottom attach material 26, so both both can be hook and the ring material of standard, can the both be a mushroom Velcro also.

The described peripheral ridges 21 of described bottom surface attachment arrangement 20 is set to aim at the described circumferential groove 41 of described end face attachment arrangement 40, and is engaged in the described circumferential groove 41 of described end face attachment arrangement 40, shown in the cutaway sectional view of Fig. 7.Modern molding technology makes mould very accurate, so the size of peripheral ridges 21 almost can accurately be set to be engaged in the described circumferential groove 41 with structure.When mold was good, described these two parts can be buckled together, and formed firm relatively attached.In the time of in peripheral ridges 21 is inserted into groove 41, described top attach material 46 will engage that with described bottom attach material 26 described two parts are tightened together.

When a people wears the footwear walking, have various pressure and active force on the footwear.When the wearer stepped on footwear, the wearer can produce the obviously vertical or downward power that makes progress, and applies downward pressure, when the wearer takes a step when spurring upper of a shoe forward and upwards, then can apply to upward pressure.This is called as " peeling force " in footwear manufacturing and design field, because these active forces can cause each layer of footwear to be peeled away.When the wearer wears the footwear walking, also there is dynamic force.Many people at first step on heel, and the power that this can produce forward makes to slide over each other between each layer of footwear (any footwear).Then different for high-heeled shoes, at this moment the people normally tramples with thenar.People's the mode of walking has nothing in common with each other, and all can reverse their pin slightly when many people walk and produces twisting resistance.Also have cross force, and slide mutually between these parts of described footwear.Many people when taking a step forward, when they lift the pin of delaying, the slight twisting action between also having from the thenar to the toe.This will cause producing torque force near the front portion of described footwear and front portion.These different power are called as shearing force.The combination of described shearing force and peeling force and they all are the facts of dynamic force, make these separating components that are difficult to footwear keep being attached at together.

Described paired

attach material

26 and 46 has prevented owing to separating up and down or between these parts of causing of peeling force, and the Position Design of the peripheral ridges 21 in the described circumferential groove 41 has been considered all other shearing forces.Because 41 inboard extensions of the periphery at these parts of described paired peripheral ridges 21 and circumferential groove, so it can bear cross force and twisting resistance, and therefore guarantees that these parts of described footwear can be fixed together.Shape as Fig. 3 and Fig. 4 and Fig. 8 and footwear parts shown in Figure 9 is inhomogeneous, and with most of footwear seemingly, the wideest position of footwear is near toe-cap, wearer's thenar is resisted against on the pin bed 11 herein, and the narrowest towards the position of heel 13.The inhomogeneous structure of this kind allows described paired spine 21 and groove 41 to consider to be present in all various non-vertical shearing forces on the footwear 100.Described groove 41 and spine were clipped to the interior end 10 of described footwear, insert 30 and the periphery 15 of sole 50 in 21 minutes, 35 or 55 distance is the same.The scope of this distance is between 1/8th inches to 0.5 inch, and this depends on the size of described footwear 100 and the structure of spine 21 and groove 41.Can prevent any overlapping of material like this, but make described material in the outside of groove 41 bear cross force and the cross shear on those parts that are applied to footwear 100.This is that they have all comprised a plurality of alignings and attachment post, but do not consider the dynamic attribute that acts on the power on the footwear to the improvement of the patent of Gross and other prior art of quoting.

Second embodiment of described attachment arrangement is presented among Fig. 8, Fig. 9, Figure 10 and Figure 11.Described bottom surface attachment arrangement 20 as shown in Figure 8.Described bottom surface attachment arrangement 20 in the described footwear in the bottom surface of the end 10 and insert 30 is identical.Described bottom surface attachment arrangement 20 has toe-end 23 and heel end 24, and is made up of peripheral ridges 21, a plurality of outstanding protuberance 22 downwards and the bottom attachment area 25 that is positioned at described peripheral ridges 21.Attach material sheet 26 is positioned near described bottom attachment area 25 and the protuberance 22.In a kind of modification, described attach material 26 is hook and the ring materials that are commonly referred to the standard of Velcro, and in another embodiment, described attach material 26 is the mushroom Velcros such as 3-M twin-lock board fixture.The described bottom surface attachment arrangement 20 of described second embodiment is identical with first embodiment, but has added a plurality of protuberances of giving prominence to 22 downwards.

Fig. 9 has shown the end face attachment arrangement 40 of second embodiment, and the end face attachment arrangement 40 in the described end face of described insert 30 and described sole 50 is identical.Described end face attachment arrangement 40 has toe-end 43 and heel end 44, and is made up of circumferential groove 41, a plurality of alignment indentation 42 and the top attachment area 45 that is positioned on the end face of circumferential groove 41.Described these alignment indentation 42 have and are approximately 6.2 millimeters diameter, but actual diameter can omit microvariations, and this depends on size and the structure of footwear 100.In general, there is a groove 42 to be positioned near the heel end place, there is a groove to be positioned at the groove of the narrow of footwear waist or footwear, there is a groove 42 to be positioned at the back of sole zone thenar, the sole thenar that has two grooves 42 roughly to be positioned at the wearer can apply the position of maximum pressure, also has a groove 42 to be positioned near the toe-cap place.The degree of depth of described groove 42 is corresponding to the height of protuberance 22, and changes along with the variation of position.Groove 42 at the footwear waist is the darkest, about 6mm, and the groove at close toe-cap place is the most shallow, about 4 mm.The described end face attachment arrangement 40 of described second embodiment is identical with the described end face attachment arrangement 40 of described first embodiment, but has added described alignment indentation 42.The circumferential groove 41 of described end face attachment arrangement 40 is corresponding with the described peripheral ridges 21 of described bottom surface attachment arrangement 20, makes described peripheral ridges 21 give prominence to and be coupled in the described circumferential groove 41 downwards.The protuberance 22 of the described bottom surface attachment arrangement 20 of described second embodiment has been decided size and has been aligned, in order to be engaged in the alignment indentation 42 of described second embodiment of described end face attachment arrangement 40.Protuberance 22 is arranged near toe-cap, have two protuberances 22 to be positioned under wearer's the sole thenar, a protuberance 22 is positioned at the back of sole thenar, and a protuberance 22 is positioned at the footwear waist, and a protuberance 22 is positioned near the heel.Protuberance 22 at the footwear waist is the highest, is approximately 6mm.This is to have considered in that position to need to protect completely.Along with the development of modern mold technology, described peripheral ridges 21 can mold become almost accurately to be suitable for circumferential groove 41, makes peripheral ridges 21 can tip the inside of circumferential groove 41 in.When mold was good, described these two parts can be buckled together firm relatively attached of formation.In top attachment area 45, attach material sheet 46 is arranged.In a kind of modification, described attach material 46 is standard hook and the ring materials that are called as the Velcro, and in another embodiment, attach material 46 is mushroom Velcros.Obviously, this top attach material 46 is corresponding to bottom attach material 26, so both both can be hook and the ring material of standard, can the both be a mushroom Velcro also.

In preferred embodiments, the end 10, insert 30 and sole 50 are all made by injection molded in described these parts, footwear, and its preparation method is known in the art.Described these parts can be made by various moulding of plastics materials, include but not limited to EVA plastics, PE plastics, PU plastics or any other moulding of plastics materials as known in the art.The end 10, have upper of a shoe 60 in the described top, so that pin remains in the footwear bed 11.Upper of a shoe 60 can be any common pattern, from simple toe strap to meticulousr sealing upper of a shoe.From the visible several different modification of Figure 17 and Figure 18, but in concept of the present invention, described upper of a shoe 60 can be used for Ms's footwear of any style.Also have man's version, have removable sole 50 and tyre surface 52, so upper of a shoe 60 can be widely used in also on man's footwear of multiple style.Described upper of a shoe 60 can be made by any common materials for the manufacture of upper of a shoe, comprises fabric and leather and various other natural or synthetic material.The method of described upper of a shoe 60 by known routine is attached in the footwear at the end 10, and this attachment method includes but not limited to sew up and be gluing.The visible outer periphery of the end 10, interposition 30 and bottom sole 50 can use facing or other ornament materials to cover in the footwear of described top, in order to form ornamental fashion footwear.For example, a kind of common facing that is used for wedge heel is cork.The bottom of described sole 50 or tyre surface 52 can be the conventional footwear bottom materials of any kind, from synthetic material to the plastics leather.

Referring now to Figure 12, i.e. in the rearview of convertible footwear 100, described footwear in the footwear at the end 10 end heel end 14 have the cross section of expanding shape slightly, near the edge the pin bed 11 is wideer than near the edge the bottom surface 12.The cross section of described expansion shape has formed clamping surface, just can catch the heel end 14 at the end 10 in the footwear with a hand to allow the user.The cross section that the described insertion heel end 34 of described insert 30 has spill is to form grip area easily.Described sole heel end 54 also has the cross section of spill, to form grip area easily.This allows user to catch the heel end of the interior end of footwear 14 of described expansion shape with a hand, and catches the sole heel end 54 of described spill with the another hand, and these parts branches are come.

Above-mentioned attachment arrangement is designed to keep described parts (end 10, insert 30 and sole 50 in the footwear) to be attached at securely together, with the dynamic force of reply walking.In present design, paired

attach material

26 and 46 and the combination of paired peripheral ridges 21 and circumferential groove 41 be proved to be and had enough maintenance intensity, keep described these parts to be bonded together in the process of walking.Regrettably, the intensity of formed combination has caused and has been difficult to separate described parts.End heel end 14 is designed to provide handle at heel end 14 places in the footwear of described expansion shape, and described spill is inserted heel end 34 and spill sole heel end 54 is designed to form handle, makes the wearer can hold footwear described isolation of components is opened.The end of described expansion shape and spill end are not only functional, but also have increased more fashion element for convertible footwear 100.When all three parts are attached at a time-out, the user can be with end heel end 14 in the footwear that hold described expansion shape, and holds the spill cross section of described sole heel end 54 with another, thereby these parts are drawn back.In this position, described sole 50 can break away from insert 30 or described insert 30 can be separated from the end 10 in the described footwear.In case separate these two parts, the user just can use two remaining parts to repeat this process.

The main purpose of described convertible footwear 100 is can be with height with becoming comfortable lower heel.Figure 13 and 14 shows low convertible footwear 100 with version, does not add insert 30.In this version, the end 10, directly be attached to described sole 50 in the described footwear.Fig. 1 has described high convertible footwear 100 with version, and Figure 13 has described the low with version of identical footwear.These illustrate sole 50 and have the heel 54 that is slightly thicker than described toe-cap 53.In concept of the present invention, also can be that the thickness of the heel 54 of sole 50 and toe-cap 53 is almost identical to form the footwear of flat pattern.Because the geometry of circumferential groove 41, the thickness of described sole must be at least 1 inch, to hold described groove 41 and still can keep enough intensity.Figure 14 shows the low perspective view with the end 10 in the footwear of version footwear that is used for that will be attached to sole 50 in place.Figure 14 shows first embodiment of not being with protuberance 22 and groove 42, but also can use second embodiment that has protuberance 22 and groove 42, to be used for the low with version of footwear 100.Fig. 6 shows the footwear 100 that have insert 30, follow version in order to the height that forms footwear 100, and Figure 14 shows the same a footwear 100 of not being with insert 30, in order to form the low with version of footwear 100.

In concept of the present invention, can use various tyre surface 52 at sole 50.A kind of structure as shown in figure 16, described tyre surface 52 will comprise a plurality of golf spikes.In this embodiment, the user will have two bottom sole 50, and these bottom sole 50 have an interior end 10 of footwear that has upper of a shoe 60.A bottom sole 50 will have the sole tyre surface of standard, as shown in figure 15; And another bottom sole 50 will have the golf sole that has nail, as shown in figure 16.As mentioned above, in this modification of footwear 100, sole 50 will have thickness relatively uniformly, and normally sport footwear is necessary for this, and is also very common in man's footwear.This will allow the user can put on identical a pair of shoes for playing golf or not playing golf.Other combination also comprises the combination of making leather tyre surface 52 and sport footwear or tennis shoes pattern tyre surface 52 than the swelldom, and this will allow the wearer that dress shoes is converted to playshoes.

Figure 19 shows dismountable bowknot 70, and described bowknot 70 is attached on the upper of a shoe 60 by the clip 76 that is attached on the described bowknot 70, and described clip 76 slips in the attaching piece 62 that is attached to described upper of a shoe 60.In preferred embodiments, described attaching piece 62 is attached at the two ends of described upper of a shoe, and the sliding space 63 in the middle of staying slips into to allow bowknot clip 76, thereby described bowknot 70 is attached on the described upper of a shoe 60.In a kind of modification, described bowknot clip 76 includes spring, so that can easily open described clip, the folder tooth on the described clip 76 has guaranteed that described bowknot 70 can be from described attaching piece 62 slippages.Can use any ornamental feature or replace described bowknot 70 with decorations, and use attaching piece 62 attached described ornamental feature.Described can have various structures with decorations, to the metal letter, highlights the individual character of footwear from fresh flower.In the embodiment that Figure 19 describes, show the attaching piece 62 that is attached to described upper of a shoe, but in concept of the present invention, described attaching piece 62 can be attached on described sole 50 or the insert 30.This will allow the owner of footwear 100 can use multiple ornamental feature thoroughly footwear 100 to be carried out individual decoration.

The present invention is applicable to and realizes purpose of the present invention and obtain aforesaid advantage and intrinsic advantage.Though the present invention is by giving description, illustrate and define with reference to the particular that proposes, so the reference that proposes is not hinting restriction the present invention, and also not inferring has this kind restriction.Embodiment described in the invention is exemplary, and can not contain the content of whole invention.Therefore, take into full account the counterpart of all aspects, the present invention only is subjected to the restriction of the spirit and scope of claims.

Claims

1. convertible footwear comprise:

The top, it has pin bed and upper of a shoe and bottom surface attachment arrangement;

Interposition, it has end face attachment arrangement and bottom surface attachment arrangement;

The bottom, it has end face attachment arrangement and tyre surface;

It is characterized in that, the described bottom surface attachment arrangement of described top and described interposition is identical, and the described end face attachment arrangement of described interposition and described bottom is identical, and the size of wherein said end face attachment arrangement, all be set to corresponding with described bottom surface attachment arrangement with structure at interval, and removably be attached to described bottom surface attachment arrangement, this just makes described top can directly be attached to described bottom, low with footwear to form, perhaps described top can be attached to described interposition, and described interposition is attached to described bottom, to form high-heeled shoes.

2. convertible footwear according to claim 1 is characterized in that:

Described bottom surface attachment arrangement comprises outstanding peripheral ridges and bottom attach material, and described end face attachment arrangement comprises recessed circumferential groove and top attach material, and wherein said top attach material and described bottom attach material are complementary, securely described bottom surface is attached to described end face, and wherein the size of peripheral ridges and structure all are set to be engaged in the described circumferential groove, to construct firm and dismountable attachment arrangement.

3. convertible footwear according to claim 2 is characterized in that:

Described bottom surface attachment arrangement has inhomogeneous curved periphery, and the distance of vacating between described peripheral ridges and the described periphery is uniformly, has therefore produced the inhomogeneous curved shape of described peripheral ridges;

Described end face attachment arrangement has inhomogeneous curved periphery, and the distance of vacating between described circumferential groove and the described periphery is uniformly, has therefore produced the inhomogeneous curved shape of described circumferential groove.

4. convertible footwear according to claim 2, it is characterized in that, described footwear are subjected to vertical peeling force and horizontal shearing force, wherein carry out when attached when described attach material, described attach material be designed to bear described peeling force and, wherein peripheral ridges is engaged in the described circumferential groove to bear described shearing force.

5. convertible footwear according to claim 2 is characterized in that, described top attach material and described bottom attach material are hook and ring material.

6. convertible footwear according to claim 2 is characterized in that, described top attach material and described bottom attach material are mushroom Velcros.

7. convertible footwear according to claim 2, it is characterized in that, described bottom surface attachment arrangement also comprises a plurality of protuberances that stretch out downwards, and described end face attachment arrangement also comprises a plurality of grooves, the size of wherein said a plurality of grooves, interval and structure all are configured to corresponding with described protuberance, and described groove is connected to described protuberance.

8. convertible footwear according to claim 4, it is characterized in that, described bottom surface attachment arrangement further comprises a plurality of protuberances that stretch out downwards, and described end face attachment arrangement further comprises a plurality of grooves, the size of wherein said a plurality of grooves, interval and structure all are configured to corresponding with described protuberance, and described groove is connected to described protuberance, and wherein said protuberance is engaged in the described groove, and bears described shearing force.

9. convertible footwear according to claim 1 is characterized in that, further comprise a plurality of bottoms with different tyre surfaces, and wherein, described top can be attached in described a plurality of bottom, so that a kind of footwear for different purposes to be provided.

10. convertible footwear according to claim 1 is characterized in that:

Described upper of a shoe has toe-end and heel end, described top has toe-end and heel end, described interposition has toe-end and heel end, and described bottom has toe-end and heel end, and the heel end at wherein said top has the cross section of expansion shape, so that grip area to be provided, the heel end of described interposition has the cross section of spill, so that grip area to be provided, and the heel end of described bottom has the cross section of spill, so that grip area to be provided.

11. convertible footwear according to claim 1 is characterized in that, described upper of a shoe can be configured to any shoe pattern formula.

12. the convertible footwear according to claim 1 is characterized in that, further comprise:

Attaching piece, it is attached to the described heel end of described upper of a shoe, and described attaching piece has for attached a plurality of attached slits with decorations.