WO2013180771A1 - Dispositif, mécanisme et procédés de transformation de talon convertible, amovible et remplaçable - Google Patents

Dispositif, mécanisme et procédés de transformation de talon convertible, amovible et remplaçable Download PDF

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Publication number
WO2013180771A1
WO2013180771A1 PCT/US2013/028594 US2013028594W WO2013180771A1 WO 2013180771 A1 WO2013180771 A1 WO 2013180771A1 US 2013028594 W US2013028594 W US 2013028594W WO 2013180771 A1 WO2013180771 A1 WO 2013180771A1
Authority
WO
WIPO (PCT)
Prior art keywords
heel
shoe
base
stabilizing rod
region
Prior art date
Application number
PCT/US2013/028594
Other languages
English (en)
Inventor
Poonam Sharma
Cristina CASTELLANO
Alyssa GARVER
Arthur Kwun
Original Assignee
Speck Design
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Speck Design filed Critical Speck Design
Priority to CA2913584A priority Critical patent/CA2913584A1/fr
Priority to EP13796321.1A priority patent/EP2854587A4/fr
Publication of WO2013180771A1 publication Critical patent/WO2013180771A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
    • A43B21/42—Heels with replaceable or adjustable parts, e.g. top lift
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0027—Footwear characterised by the material made at least partially from a material having special colours
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
    • A43B21/39—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means by rib groove
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
    • A43B21/50—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means by bayonet catches or the like
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0295—Pieced uppers
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/246—Collapsible or convertible characterised by the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/24—Collapsible or convertible
    • A43B3/248—Collapsible, e.g. foldable for travelling

Definitions

  • the present invention relates to women's shoes, more particularly women's shoes with a mechanism that enables the shoe to be transformed from a shoe having a first heel into a shoe having a second heel.
  • the present invention provides a shoe that transforms a shoe having a first heel into a shoe having a second heel by removing the first heel and replacing the first heel with the second heel.
  • the shoe transforms from a shoe having a second heel back into a shoe having a first heel by removing the second heel and replacing the second heel with the first heel.
  • the shoe transforms from a shoe having a second heel back into a shoe having a first heel by removing the second heel and de -retracting the first heel.
  • U.S. Patent 3,581,413 discloses a detachable heel for shoes such as ladies' or men's shoes that includes a means for permitting the manual locking or unlocking of the heel with respect to the shoes, so that heels can be placed or changed whenever desired or required.
  • U.S. Patent 4,610,100 discloses a shoe [having] a
  • This heel plate contains a mortise having a decreasing transverse width from the front to the rear of the heel plate.
  • a replaceable heel having a fiat surface on one side and a dovetail on the reverse surface corresponding in shape to the opening in the mortise is slid into the mortise to be firmly seat[ed] by a friction fit on the heel plate.
  • U.S. Patent 4,805,320 discloses a women's shoe with flexible shank for use with replaceable heels of different height [that] includes a sole with a forward support portion and a raised heel portion and an overlying insole.
  • An elongated flexible spring steel shank is nested within a slot between the insole and sole and at one end anchored thereto.
  • a high heel registers with the heel portion and interlocking fasteners upon the heel and heel portion upon limited rotation of the heel relative to the shoe removably anchors the heel upon the shoe.
  • the heel upon limited angular rotation and disengagement of the fasteners is adapted for removal and replacement by a low heel having similar fasteners.
  • the shank moves within the slot to compensate for the change in height.
  • the interlocking fasteners include opposed interconnected lock segments and anchor flanges secured respectively to the heel and heel portion.
  • An alignment pin in the heel projects into an alignment opening in the sole preventing relative rotation of the heel and heel portion to prevent disengagement of the segments and flanges.
  • U.S. Patent 4,670,996 discloses an article of footware comprising a shoe having a removable and replaceable heel. Attached to the sole surface of the shoe's upper is a [sic] outwardly projecting shaft which is adapted to fit into an internal bore formed in the core of the shoe's heel member. A latch mechanism is provided for inhibiting unintended separation of the heel from the upper.
  • U.S. Patent 5,058,290 discloses a high heel shoe with a self seating removable heel portion includes a shoe body having a sole portion with a toe and a heel area, the heel area being elevated substantially above the toe area so that the shoe sole is inclined between the toe and the heel and at the heel area.
  • the heel portion of the shoe sole has a socket with a forwardly facing open end and a closed rear end, the socket having a side wall forming a continuous dovetail joint portion.
  • the high heel has an enlarged upper end portion with an inclined upper surface and a dove-tail locking member extends upwardly from the high heel upper end portion inclined surface, the locking member including a pedestal with a dove-tail side wall that corresponds to and registers with the socket so that the heel can be attached to the socket by moving the heel pedestal into the socket into a fore to aft direction, and wherein the heel is constantly loaded rearwardly during use insuring a seating of the heel upon the socket during use.
  • U.S. Patent 5,079,857 discloses a shoe having a detachable heel.
  • the shoe includes a foot receptacle portion having a threaded stem extending downwardly from the foot receptacle portion and a locking pin slot, and a shoe heel threadedly engageable to the stem and having a locking pin 85 assembly which engages the locking pin slot to secure the heel in a fixed
  • U.S. Patent 6,631,570 discloses a structure of a low to high heel shoe wherein a sole ... having two semicircular "D" shaped punched holes on either side of the shank is formed in the rear of the shoe sole area, to receive a 90 bolt fitting ... having a bight slot and two opposing distal members, fitting
  • U.S. Patent Application 20010052195 Al discloses a convertible shoe ensemble with a heel that is manually attachable to and removable from the shoe, and a manually attachable and removable heel cover of 95 substantially less height than the heel for attachment to the shoe when the heel is detached.
  • U.S. Patent 5,309,651 discloses [tjransformable shoe frames ... wherein the heel of
  • the shoe can be extended downwardly in a high heel position or converted to a low heel position.
  • the shoe frame is made in sections that are pivotally connected to each other and mechanisms have been provided to lock the sections together in varying positions, so that the angle between the toe portion and the remainder of the shoe can be adjusted to maximize the comfort of the wearer
  • the heel is stowable under the sole of the shoe and the sole will have a well defined flexible region in the distal metatarsal region of the shoe, either by having a hinged joint or built in
  • U.S. Patent Application 20100146817 Al discloses an article of footwear [that] has a height adjustable heel.
  • a heel assembly is coupled to a toe assembly.
  • a sole assembly is disposed over the heel assembly.
  • a hinge assembly joins the sole assembly and heel assembly at a junction with the toe
  • the hinge assembly has a locking mechanism, which allows the sole assembly to pivot with respect to the heel assembly to adjust a height of the sole assembly over the heel assembly when the locking mechanism is disengaged.
  • the height of the sole assembly over the heel assembly is fixed when the locking mechanism is engaged.
  • the heel assembly has a first inner support and the sole
  • 125 assembly has a second inner support.
  • a pin coupled to a sprocket engages and disengages the first inner support and the second inner support to adjust a height of the sole assembly with respect to the heel assembly.
  • U.S. Patent Application 20100139123 Al discloses a transformable shoe [that] can transform into different heel heights. It is a shoe
  • the frame of the shoe contains two independent soles that are pivotally connected via a hinge.
  • the two independent shoe soles will vary angles via the hinge upon attaching or detaching of the heel. Heels of varying heights can be attached to the bottom of the sole.
  • U.S. 140 Patent 7,059,068 discloses a height adjustable flexible shoe including a shoe upper portion having an open upper end, a closed lower end, and a body portion therebetween.
  • the open upper end is dimensioned for receiving a foot therein.
  • the closed lower end has a toe portion and a back portion.
  • the back portion has a first heel portion extending downwardly therefrom.
  • the body portion is
  • a second heel portion is
  • first, second, and third heel portions are of substantially equal heights to provide significant control over the inclination of the shoe.
  • the present invention provides a shoe that can be transformed from a shoe having a first heel into a shoe having a second heel.
  • the first heel and second heel have different heights.
  • the first heel is a low-heel and the second heel is a high-heel.
  • the wearer transforms a shoe having a first heel into a shoe having a second heel by removing the first heel and replacing the first heel with the second heel. In one embodiment, the wearer transforms a shoe having a 165 second heel back into a shoe having a first heel by removing the second heel and replacing the second heel with the first heel. In one embodiment, the wearer transforms a shoe having a first heel into a shoe having a second heel by retracting the first heel and attaching the second heel over the retracted first heel. In one embodiment, the wearer transforms a shoe 170 having a second heel back into a shoe having a first heel by removing the second heel and de-retracting the first heel.
  • the shoe has an upper that is able to change shape when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the shoe has a liner that is able to conform to the changes in 175 the wearer's foot that occur when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the liner is able to conform to the changes in the shoe that occur when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the shoe has a foot bed that is able to conform to the changes 180 in the wearer's foot that occur when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the foot bed is able to conform to the changes in the shoe that occur when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • Figure 1 shows one embodiment of the present invention whereby the wearer 195 transforms a shoe having a first heel into a shoe having a second heel by
  • Figure 2 shows an alternate embodiment of the present invention whereby the wearer transforms a shoe having a first heel into a shoe having a second heel by retracting the first heel and attaching the second heel over the retracted first heel.
  • Figure 3 shows an alternate embodiment of the present invention whereby the wearer transforms a shoe having a first heel into a shoe having a second heel by removing the first heel and replacing the first heel with the second heel.
  • Figure 4 shows an alternate embodiment of the present invention whereby the wearer transforms a shoe having a first heel into a shoe having a second heel by 205 removing the first heel and replacing the first heel with the second heel.
  • Figure 5 an alternate embodiment of the present invention whereby the wearer transforms a shoe having a first heel into a shoe having a second heel by removing the first heel and replacing the first heel with the second heel.
  • the present invention provides a shoe that can be
  • the present invention enables a person to easily exchange one heel type with another heel type on a single shoe.
  • heel types include a "low heel” type and a "high heel” type.
  • a low heel type can be desirable if the person is engaged in walking under conditions in which a high heel is not 220 desired. Such situations include walking on a sidewalk to or from a destination.
  • the shoe has interchangeable heels, allowing the wearer to transform the shoe having a first heel into a shoe having a second heel by 225 removing the first heel and replacing the first heel with the second heel. In one embodiment, the wearer transforms a shoe having a second heel back into a shoe having a first heel by removing the second heel and replacing the second heel with the first heel.
  • the shoe has interchangeable heels, allowing the wearer to 230 transform the shoe having a first heel into a shoe having a second heel by
  • the wearer transforms a shoe having a second heel back into a shoe having a first heel by removing the second heel and de -retracting the first heel.
  • the wearer is able to select at least one second heel from a plurality of second heels.
  • the plurality of second heels may consist of heels of the same style, but of different heights.
  • the plurality of second heels may consist of heels of the same height, but of different styles.
  • the plurality of second heels may consist of heels of different
  • any mechanism that enables a first heel to be interchanged with or replaced by a second heel is suitable for use in the present invention.
  • the heel, once in place on a shoe of the present invention should perform as if the heel were 245 permanently attached. That is, the interchangeable heel of the present invention should attach firmly, and not be loose. Nor should the interchangeable heel of the present invention rotate, or otherwise move or detach from the shoe once in place on the shoe of the present invention, absent the wearer physically removing or replacing the heel.
  • FIG. 1 Another example of an interchangeable heel suitable for use in the present invention is shown in Figure 1.
  • Figure 1 A depicts a shoe of the present invention with a first heel attached.
  • the first heel is a "low-heel" type.
  • the first heel is attached to a heel base.
  • an at least one expandable portion (indicated by the arrows labeled "EP").
  • Figure IB depicts a shoe of the present invention with a second heel attached.
  • the second heel is a "high-heel" type.
  • the second heel is 340 attached to a heel base.
  • an at least one expandable portion (indicated by the arrows labeled "EP").
  • the expandable portion is smaller with respect to the portion shown in Figure 1 A, corresponding to the change in shape of the upper, and the expandable portion has compensated for the change in shape of the upper.
  • the mechanism by which the first and second heels attach to the heel base in this embodiment is shown in Figure 1C.
  • the first and second heels each have a stabilizing rod that extends the entire length of the heel, and that protrudes above the top of the heel.
  • the stabilizing rod may be reinforced to provide extra strength.
  • the stabilizing 350 rod, including the region that protrudes above the top of the heel may be of any shape. However, in the embodiment shown in Figure 1, the stabilizing rod, including the region that protrudes above the top of the heel is square.
  • Figure 1C shows that the heel base has a hollowed out region that corresponds to the dimensions of the stabilizing rod.
  • the shape of the stabilizing rod therefore, allows the wearer to readily locate and properly align either the first or the second heel.
  • the shape of the stabilizing rod also prevents either the first or the second heel from twisting out of place.
  • the stabilizing rod can be shaped in any fashion to facilitate proper alignment, location and prevention of twisting.
  • the stabilizing rod may be oval, oblong, or even circular. It can be desirable to have an additional element to keep a circular stabilizing rod with proper orientation, so that the heel does not rotate during use.
  • 365 may include additional locking rods that can be configured to pass through the heel base and the stabilizing rod.
  • a plurality of stabilizing rods can be used.
  • an array of stabilizing rods (of circular, rectangular, triangular, oblong, oval, or other shape) can be used.
  • One of ordinary skill in the art can configure a base and array of stabilizing
  • FIG. 1C shows a mechanism that locks an interchangeable heel in place once it is seated on the heel base, thereby securing the interchangeable heel to the shoe of the present invention.
  • the first and the 375 second heels have a spring-mounted button, located on the portion of the
  • the heel base has a hole, or region that allows the spring-mounted button to be seated in the shoe of the present invention.
  • the spring-mounted button indicates to the wearer that the interchangeable heel is properly located and attached.
  • the spring-mounted button is attached to a mechanism that locks the heel in place, once the heel is located in the heel base.
  • the spring-mounted button may engage and disengage the locking mechanism.
  • the choice of locking mechanism may be readily selected by one of ordinary skill in the art.
  • the spring-mounted button may be made of any material, such as, for example, 385 rubber, plastic, metal, and the like.
  • the spring -mounted button may also display a logo or trademark to identify the source or origin of the shoes.
  • the user presses the spring-mounted button of the heel that is attached to the shoe, thereby detaching the heel.
  • the user removes the heel from the shoe and locates another heel, 390 aligning the heel using the portion of the stabilizing rod that extends beyond the top of the heel and the hollowed out region of the shoe base, and secures the heel in place.
  • FIG. 2 Another example of an interchangeable heel suitable for use in the present invention is shown in Figure 2, wherein the wearer transforms a shoe having a 395 first heel into a shoe having a second heel by retracting the first heel and
  • the wearer transforms a shoe having a second heel back into a shoe having a first heel by removing the second heel and de -retracting the first heel.
  • Figure 2A depicts a shoe of the present invention with a first heel attached.
  • the first heel is a "low-heel" type.
  • the first heel comprises a base and a housing, in which a spring is located.
  • the base is made out of rubber.
  • the base made be made out of any material.
  • the spring provides a force, maintaining the base in an extended position, allowing the wearer to walk 405 on the base.
  • the spring may be connected to a mechanism that locks the base in an extended position.
  • the embodiment shown in Figure 2 also comprises a spring-mounted button.
  • the spring-mounted button indicates to the wearer that the base is properly located and locked in place.
  • the spring-mounted button is attached to a mechanism that locks the base in place.
  • the spring-mounted button may engage and disengage the locking mechanism.
  • the choice of locking mechanism may be readily selected by one of ordinary skill in the art.
  • the spring-mounted button may be made of any material, such as, for example, 415 rubber, plastic, metal, and the like.
  • the spring -mounted button may also display a logo or trademark to identify the source or origin of the shoes.
  • the user presses the spring-mounted button into the housing, thereby unlocking the base.
  • the user then pushes on the base, pushing and retracting the base into the housing, thereby 420 compressing the spring.
  • the user then inserts a second heel into the open space that has been created by the base retracting into the housing, and thereby the base still further into the housing.
  • the second heel has a stabilizing rod that extends the entire length of the heel, and that protrudes above the top of the heel.
  • the stabilizing 425 rod may be reinforced to provide extra strength.
  • the stabilizing rod, including the region that protrudes above the top of the heel may be of any shape.
  • the stabilizing rod including the region that protrudes above the top of the heel is oval. In one embodiment, the region of the stabilizing rod that protrudes above the top
  • the shape of the created space is dimensioned to exact dimensions of the region of the stabilizing rod that protrudes above the top of the heel.
  • the shape of the stabilizing rod therefore, allows the wearer to readily locate and properly align the second heel.
  • the shape of the stabilizing rod also prevents the second heel
  • the stabilizing rod can be shaped in any fashion to facilitate proper alignment, location and prevention of twisting.
  • the stabilizing rod may be oval, oblong, or even circular. It can be desirable to have an additional element to keep a circular stabilizing rod with proper orientation, so that the heel
  • Such elements may include additional locking rods that can be configured to pass through the heel and the stabilizing rod.
  • additional locking rods that can be configured to pass through the heel and the stabilizing rod.
  • a plurality of stabilizing rods can be used.
  • an array of stabilizing rods (of circular, rectangular, triangular, oblong, oval, or other shape) can be used.
  • the embodiment shown in Figure 2B shows a mechanism that locks the second heel in place once it is seated on the housing, thereby securing the second heel to the shoe of the present invention.
  • the second heel has a spring-mounted button, 450 located on the portion of the stabilizing rod that extends beyond the top of the heel.
  • the housing onto which the second heel is located has a hole, or region that allows the spring-mounted button to be seated in the shoe of the present invention.
  • the spring-mounted button indicates to the wearer that the second heel is properly located and attached.
  • the spring-mounted button is attached to a mechanism that locks the heel in place, once the heel is located in the heel base.
  • the spring-mounted button may engage and disengage the locking mechanism.
  • the choice of locking mechanism may be readily selected by one of ordinary skill in the art.
  • the spring-mounted button may be made of any material, such as, for example, 460 rubber, plastic, metal, and the like.
  • the spring-mounted button may also display a logo or trademark to identify the source or origin of the shoes.
  • FIG. 3 Another example of an interchangeable heel suitable for use in the present invention is shown in Figure 3, wherein the wearer transforms a shoe having a first heel into a shoe having a second heel by removing the first heel by twisting 465 the heel to unlock the heel and removing the heel, and then twisting the second heel into position and locking the second heel in place.
  • FIG. 3 A depicts a shoe of the present invention with a second heel attached.
  • the second heel is a "high-heel" type.
  • the second heel is attached to a heel base.
  • an at least 470 one expandable portion (indicated by the arrow labeled "EP").
  • FIG. 3 A depicts a shoe of the present invention with a first heel attached.
  • the first heel is a "low-heel" type.
  • the first heel is attached to a heel base.
  • an at least one expandable portion indicated by the arrow labeled "EP").
  • the first and second heels are attached to a heel base via a plate mechanism that provides the means to locate, align and lock the heels via a "push in and twist" operation.
  • the heel base is modified to receive the top part of the plate mechanism, which may be affixed to the heel base by any means, such as, for example, glue, nails and the like.
  • the shoe has at least one expandable portion in the upper that either expands or contracts when the shoe transforms. 485 When the shoe is in the "low-heel" configuration, the expandable portion is in an expanded position. When the shoe is on a "high-heel” configuration, the expandable portion in in a relaxed, or non-expanded position, and enclosed or covered up by the upper.
  • the plate mechanism may be made of any material, such as, for example, plastic 490 or metal. In one embodiment, the plate mechanism is made of plastic.
  • Figure 3B shows an interchangeable heel with the bottom plate located on the top of the heel, which will contact the heel base.
  • the first and second heels each have a stabilizing rod that extends the entire length of the heel.
  • the stabilizing rod may protrude beyond the top of the heel.
  • the plate mechanism is modified to accommodate the protruding stabilizing rod, and thereby provides extra stabilization for the heel.
  • the stabilizing rod may be reinforced to provide extra strength.
  • Figure 3D shows the corresponding top plate, into which the bottom plate is inserted.
  • the plates are provided in such a way as to provide both halves of an
  • the wearer may locate, align and lock a heel via the operation outlined in Figure 3C.
  • the wearer may reverse the operation to remove the heel.
  • the engagement or locking device is fabricated to provide a means by which the heel is automatically locked in place via "teeth". It can be appreciated that any desired number of such teeth can be used.
  • 505 example one, two, three, four, five or more can be used.
  • the teeth locate, align and lock a heel of the present invention to the shoe.
  • FIG 4 Another example of an interchangeable heel suitable for use in the present invention is shown in Figure 4, wherein the wearer transforms a shoe having a 510 first heel into a shoe having a second heel by removing the first heel by sliding the heel to unlock and remove the heel, and then sliding the second heel into position and locking the second heel in place.
  • Figure 4A depicts a side view of one particular configuration of elements that may be utilized in this embodiment.
  • the embodiment comprises a base (which 515 remains attached to the sole of the shoe at all times), which includes parts 1 and 2.
  • Parts 1 and 2 may be attached to the sole of the shoe by any suitable means, such as, for example using nails, screws, adhesives and the like.
  • part 1 corresponds to the heel base and part 2 is part of a mechanism that locates, aligns and locks the heels onto the 520 shoe.
  • the remainder of the mechanism consists of part 3.
  • the interchangeable heels comprise parts 3,4, and 5. Parts 4 and 5 form the "heel", while part 3 is configured to locate, align and lock the heels onto the shoe, via part 2.
  • the interchangeable heels each have a stabilizing rod that extends the entire length of the heel.
  • the stabilizing rod may protrude 525 beyond the top of the heel.
  • parts 2 and 3 are modified to accommodate the protruding stabilizing rod, and thereby provide extra stabilization for the heel.
  • the stabilizing rod may be reinforced to provide extra strength.
  • Figure 4 Bl and B2 shows the operation wherein part 3 (also known as a
  • the heel base is shown having part 2 (also known as an "extending element") below the shoe base and has lower portion having larger diameter than the remainder of the extending element. Part 2 is shown having a thinner aspect (toward the front of the shoe 535 base).
  • the interchangeable heel is aligned with the shoe base, and is moved forwards to engage part 2 of the shoe base.
  • part 3 slides forward and locks into place with part 2.
  • the slightly thicker frontmost portion of the top of part 3 creates tension when it slides over part 2, and it is that tension 540 which prevents the heel attachment from sliding back out without the wearer's deliberate operation.
  • parts 2 and 3 may be made of metal, or other material, so long as part 3 has sufficient resiliency to be removably attached to the heel base.
  • Figure 4C shows another view of this embodiment.
  • the extending portion of part 2 and receiving portion of part 3 are depicted having an oval shape, to reduce the likelihood of the heel being twisted out of proper orientation.
  • one possible mechanism by which the 550 wearer transforms a shoe of the present invention begins with the wearer having a shoe with an upper whose bottommost part is part 2, and a removeable heel whose topmost part is part 3.
  • the frontmost portion of part3 is slid forward until it rests in a position where its enlarged front portion creates a tension which thereafter prevents the removeable heel from sliding back 555 out without the wearer's deliberate operation.
  • the wearer pulls backwards on part 4 with sufficient force to slide the frontmost portion of part 3 over the upward sloping portion of part 2, until part 3 is moved to the back of the upper portion of the shoe, and disengaged from the upper portion of the shoe entirely.
  • FIG. 5 wherein the wearer transforms a shoe having a first heel into a shoe having a second heel by removing the first heel by pulling down on the tip of the heel, displacing the interior stabilizing rod downward, unlocking the heel, and then sliding the heel toward the front of the shoe to
  • FIG. 565 remove the heel, and then sliding the second heel into position and locking the second heel in place. See, for example, Figure 5A and 5B.
  • Figures 5A and 5B depict steps by which a wearer may transform one
  • Step 1 shows a shoe of the present invention fully assembled, with the first heel attached.
  • Step 2 shows the heel tip 570 displaced downward, displacing the interior stabilizing rod (shown in Figure 5B), thereby unlocking the first heel.
  • Step 3 shows the first heel sliding out of the heel base.
  • Step 4 shows the first heel fully disengaged from the shoe.
  • the second heel is located onto the shoe of the present invention by reversing steps 1-4.
  • the first heel is attached to a heel base.
  • the heel base and the top of the first heel is configured to automatically locate, align and situate the heel correctly.
  • the heel base is mortised and the top of the first heel is dovetailed to fit the mortise in the heel base exactly.
  • the top of the second heel is also dovetailed to fit the mortise in the heel base exactly.
  • the first heel is positioned by sliding the
  • the first and second heels each have a stabilizing rod that extends the entire length of the heel, and that protrudes above the top of the heel.
  • the stabilizing 585 rod may be reinforced to provide extra strength.
  • the stabilizing rod, including the region that protrudes above the top of the heel may be of any shape.
  • the stabilizing rod including the region that protrudes above the top of the heel, is rectangular.
  • the stabilizing rod is capable of being displaced downward, away from the top of 590 the heel.
  • the stabilizing rod is held in first position by a spring, and is pulled downward by the wearer, toward a second position, placing the spring under tension.
  • the stabilizing rod is attached to the bottom tip of the heel, on which the wearer pulls to displace the stabilizing rod downward.
  • one of ordinary skill in the art can readily 595 envisage other mechanisms by which the user may displace the stabilizing rod.
  • the stabilizing rod when the first heel is correctly located in the heel base, the stabilizing rod is in its first position.
  • the heel base has a hollowed out region that is dimensioned to permit the stabilizing rod to be in its first position, and the top-most portion of the stabilizing rod is located within the hollowed out 600 portion. In the embodiment shown, the stabilizing rod's first position locks the first heel in place. See Figure 5D and Figure 5E.
  • one possible mechanism by which the wearer transforms a shoe of the present invention begins with a first step comprising the shoe of the present invention with a first heel in its locked,
  • the wearer transforms the shoe of the present invention by a second step, wherein the wearer pulls down on the heel tip, displacing the stabilizing rod downward, from a first position, to a second position, wherein the second position disengages the portion of the stabilizing rod that protrudes from the first heel into the shoe.
  • the wearer in a third step, the wearer slides the
  • FIG. 5 shows one possible mechanism by which the 615 stabilizing rod may be incorporated into a heel body of the present invention, and held in the first position, and moved to the second position.
  • the stabilizing rod may be incorporated into a heel body of the present invention, and held in the first position, and moved to the second position.
  • the stabilizing rod may be incorporated into the heel body in a manner such that the stabilizing rod is moved between the first and second positions by the user grasping the heel body, thereby moving all of the heel body instead of the heel tip.
  • the stabilizing rod may be incorporated into the heel body in a manner such that the stabilizing 625 rod is moved between the first and second positions by the user grasping the heel body, thereby moving a portion of the heel body instead of the heel tip.
  • the stabilizing rod may be moved between the first and second positions by the user moving a lever, connected to the stabilizing rod.
  • the lever connected to the stabilizing rod may be further 630 located within a grove or channel in the heel body. The groove or channel may further be configured to enable the stabilizing rod to be locked in the first position, the second position, or both the first and second positions.
  • the wearer displaces the stabilizing bar downward to its second position, 635 thereby removing the top-most portion of the stabilizing rod from within the hollowed out portion.
  • the first heel is therefore unlocked and able to slide freely forward.
  • the heel base is configured in such a way that the stabilizing bar is maintained in the second position whilst the heel is being slid forward.
  • a second heel having a stabilizing rod that extends the entire length of the heel, and that protrudes above the top of the heel, is slid onto the heel base.
  • the heel base is configured in such a way that the stabilizing bar is maintained in the second position whilst the heel is being slid rearward. In the embodiment shown, when the second heel is correctly located in the heel
  • the stabilizing rod moves to its first position.
  • the heel base has a hollowed out region that is dimensioned to permit the stabilizing rod to be in its first position, and the top-most portion of the stabilizing rod is located within the hollowed out portion. In the embodiment shown, the stabilizing rod's first position locks the second heel in place.
  • the transformation of the shoe results in changes in the shape of the shoe, the sole, the liner, the foot bed, the wearer's foot, or any combination thereof.
  • the changes in shape may be, for example, a change (an increase or 655 decrease) in volume of the shoe, an increase or decrease in the size of the shoe, an increase or decrease in the size, width, volume of the wearer's foot, or the position of the wearer's foot within the shoe, or any combination thereof.
  • the shoe of the present invention is able to compensate for these changes to facilitate or maintain wearer comfort.
  • the 660 present invention provides a shoe wherein one, or more than one of the
  • components of the shoe are adapted to allow a wearer to transform a shoe having a first heel into a shoe having a second heel.
  • the sole changes shape to conform to changes in the shape of the shoe that occur when the shoe transforms.
  • the 665 sole changes shape to conform to changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the sole changes shape to conform to both the changes in the shape of the shoe and changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the shoe has an upper that is able to change shape when the 670 shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the upper changes shape to conform to changes in the shape of the shoe that occur when the shoe transforms.
  • the upper changes shape to conform to changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the upper changes shape 675 to conform to both the changes in the shape of the shoe and changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the shoe has a liner that is able to change shape when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the liner changes shape to conform to changes in the shape of the 680 shoe that occur when the shoe transforms.
  • the liner changes shape to conform to changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the liner changes shape to conform to both the changes in the shape of the shoe and changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the shoe has a foot bed that is able to change shape when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the foot bed changes shape to conform to changes in the shape of the shoe that occur when the shoe transforms.
  • the foot bed changes shape to conform to changes in the shape of the wearer's foot
  • the foot bed changes shape to conform to both the changes in the shape of the shoe and changes in the shape of the wearer's foot that occur when the shoe transforms.
  • Soles may be made from a variety of materials, such as, for example, natural 695 rubber, polyurethane, or polyvinyl chloride (PVC) compounds.
  • materials such as, for example, natural 695 rubber, polyurethane, or polyvinyl chloride (PVC) compounds.
  • PVC polyvinyl chloride
  • One of ordinary skill in the art can readily select the material to form the sole of a shoe of the present invention. Factors that may be considered in the choice of material may include, but not be limited to, the final appearance of the shoe, the use for which the shoe is intended, and the like.
  • Soles suitable for use in the present invention may be simple, comprising a single material in a single layer.
  • soles suitable for use in the present invention may be complex, with multiple structures or layers and materials. When various layers are used, soles may consist of an insole, midsole, and an outsole.
  • the insole is the interior bottom of a shoe, which sits directly beneath the foot under the foot bed (also known as sock liner).
  • the purpose of insole is to attach to the lasting margin of the upper, which is wrapped around the last during the closing of the shoe during the lasting operation. While the insole may be made from any material suitable for use in a shoe, they are usually made of cellulosic
  • the outsole is the layer in direct contact with the ground.
  • Dress shoes often have leather or resin rubber outsoles; casual or work-oriented shoes have outsoles made of natural rubber or a synthetic material like Polyurethane.
  • the outsole may comprise a single piece, or may be an assembly of separate pieces of 715 different materials .
  • the present invention provides a shoe wherein the sole has been modified to allow the sole to change shape when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • Any modification that enables the sole to change shape when the shoe transforms is suitable for use in the present 720 invention.
  • the modification may comprise a hinge or a flexible portion in one, or more than one portion of the sole.
  • An example of a sole suitable for use in the present invention may be found in U.S. Patent 5,309,651.
  • the shoe also comprises a foot bed that is seated on the sole of the shoe, onto which the wearer's foot rests when the shoe is worn.
  • the foot bed is able to change shape when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the foot bed changes shape to conform to changes in the shape of the shoe that occur when the shoe transforms.
  • the foot bed changes shape to conform to changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the foot bed changes shape to conform to both the changes in the shape of the shoe and 740 changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the foot bed may be made from any material, provided the material is able to perform as intended in the present invention.
  • One of ordinary skill in the art can readily select the material to form the sole of a shoe of the present invention. Factors that may be considered in the choice of material may include, but not be 745 limited to, the final appearance of the shoe, the use for which the shoe is
  • Every shoe has an upper part that helps hold the shoe onto the foot.
  • sandals or flip-flops this may be nothing more than a few straps for holding the sole in place.
  • Closed footwear such as boots, sneakers and most men's shoes, will have a more complex upper. This part is often decorated or is made in a certain style to look attractive.
  • the upper is connected to the sole
  • the term "upper” refers to the part or parts of a shoe that cover all, parts of the toes, the top of the foot, the sides of the foot, and the back of the heel, or any combination thereof, and is attached to the outsole of the shoe.
  • the upper can be cut from a single piece, or, alternatively, can be comprised of many pieces stitched together.
  • One of ordinary skill in the art can readily select the material to form the upper of a shoe of the present invention. Factors that may be considered in the choice of material may include, but not be limited to, the final appearance of the shoe, the use for 765 which the shoe is intended, and the like.
  • the upper can be made from a variety of materials such as, for example, leather, satin, suede, or canvas.
  • the shoe has an upper that is able to change shape when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the upper changes shape to conform to changes in the shape of the 770 shoe that occur when the shoe transforms.
  • the upper changes shape to conform to changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the upper changes shape to conform to both the changes in the shape of the shoe and changes in the shape of the wearer's foot that occur when the shoe transforms.
  • the upper contains at least one expandable portion within the upper that enables the upper to change shape according to the methods of the present invention.
  • the at least one expandable portion may be incorporated into the upper where the upper changes shape when the shoe of the present invention transforms.
  • the expandable portion is formed from an elastomeric
  • the entire upper is an elastomeric material.
  • the upper of a shoe of the present invention contains the at 785 least one expandable portion disclosed in Figure 1.
  • the at least one expandable portion is an portion of the upper that is capable of expanding or contracting when the shoe of the present invention transforms.
  • the at least one expandable portion is an elastic fabric that is attached to the upper in a region where the upper changes shape when the shoe of the present invention transforms.
  • the elastic fabric may be attached to the upper using stitching, adhesives or other means.
  • the at least one expandable portion can be colored to a similar color as the remainder of the upper. Alternatively, if
  • the expandable portion may be of a different color.
  • the present invention provides a shoe with a liner that is able to conform to the changes in the wearer's foot that occur when the shoe is transformed, in order to maintain or facilitate wearer comfort.
  • the liner may be made of any material that is capable of conforming to the shape of the wearer's foot. Ideally, the lining is resilient enough to provide padding for the foot, whilst still able to conform to the changes in the shape of the wearer's foot when the shoe transforms. In one embodiment, the lining is also able to conform to the changes in the shape of the shoe when the shoe transforms.
  • Examples of materials suitable for forming the lining of the shoe of the present invention include, but are not limited to, foams, elastomeric foams, memory foams, gels, felt, and the like.

Abstract

La présente invention se rapporte, dans des modes de réalisation, à une chaussure qui comporte des talons amovibles ou interchangeables. Certains modes de réalisation comportent un talon bas et un talon haut, chacun ayant des mécanismes destinés à fixer ledit ou lesdits talons à ladite chaussure ou à le détacher ou à les détacher de cette dernière. D'autres modes de réalisation comprennent un corps de chaussure qui comporte un élément extensible, ce qui permet au corps de chaussure d'acquérir une forme qui convient pour une configuration de talon bas et permet au corps de chaussure de changer de forme pour répondre aux besoins d'une configuration de talon haut. Des modes de réalisation de cette invention permettent, de ce fait, à une personne de porter une simple paire de chaussures, d'avoir sur elle une ou plusieurs paires de talons, et de changer les talons pour avoir des chaussures soit à talon bas, soit à talon haut. De tels modes de réalisation suppriment le besoin, pour une personne, d'avoir une multitude de paires de chaussures.
PCT/US2013/028594 2012-05-26 2013-03-01 Dispositif, mécanisme et procédés de transformation de talon convertible, amovible et remplaçable WO2013180771A1 (fr)

Priority Applications (2)

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CA2913584A CA2913584A1 (fr) 2012-05-26 2013-03-01 Dispositif, mecanisme et procedes de transformation de talon convertible, amovible et remplacable
EP13796321.1A EP2854587A4 (fr) 2012-05-26 2013-03-01 Dispositif, mécanisme et procédés de transformation de talon convertible, amovible et remplaçable

Applications Claiming Priority (2)

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US201261652193P 2012-05-26 2012-05-26
US61/652,193 2012-05-26

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EP2854587A4 (fr) 2016-02-24
US20130312285A1 (en) 2013-11-28
CA2913584A1 (fr) 2013-12-05
EP2854587A1 (fr) 2015-04-08

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