WO2011031885A1 - Wheeled platform apparatus and method for use with wheeled footwear - Google Patents

Wheeled platform apparatus and method for use with wheeled footwear Download PDF

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Publication number
WO2011031885A1
WO2011031885A1 PCT/US2010/048303 US2010048303W WO2011031885A1 WO 2011031885 A1 WO2011031885 A1 WO 2011031885A1 US 2010048303 W US2010048303 W US 2010048303W WO 2011031885 A1 WO2011031885 A1 WO 2011031885A1
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WO
WIPO (PCT)
Prior art keywords
wheeled
wheel
footwear
platform apparatus
wheeled platform
Prior art date
Application number
PCT/US2010/048303
Other languages
English (en)
French (fr)
Inventor
Ryan Daniel Wills
Original Assignee
Heeling Sports Limited
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 Heeling Sports Limited filed Critical Heeling Sports Limited
Priority to JP2012528902A priority Critical patent/JP2013504382A/ja
Priority to EP10816096A priority patent/EP2475573A1/en
Publication of WO2011031885A1 publication Critical patent/WO2011031885A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/20—Roller skates; Skate-boards with fixable wheels permitting the skates to be used for walking
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/008—Roller skates; Skate-boards with retractable wheel, i.e. movable relative to the chassis out of contact from surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C17/00—Roller skates; Skate-boards
    • A63C17/04—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs
    • A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
    • A63C17/08—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type single-wheel type with single axis

Definitions

  • This invention relates in general to the field of active sports and more particularly to a wheeled platform co-operable with wheeled footwear, including a wheel in the heel ("heeling") apparatus or skate.
  • a wheeled platform apparatus includes a top surface, a bottom surface, at least two wheels extending at least partially through the bottom surface, and may further include an attachment structure or mechanism positioned adjacent or below the top surface for mating with non-wheeled or wheeled footwear,
  • a heeling apparatus including a heeling apparatus, quad skate, inline skate, external wheel assembly, or other wheeled skate, or a user's bare foot.
  • FIGURE 1 is a side view that illustrates a heeling apparatus implemented using an athletic shoe according to one embodiment of the present invention
  • FIGURES 2A and 2B are bottom views that illustrate two embodiments of a sole of the heeling apparatus with openings in the sole;
  • FIGURES 3A and 3B are bottom views of the two embodiments of the sole as shown in FIGURES 2A and 2B and illustrate a wheel in each of the openings of the soles;
  • FIGURE 4 is a perspective view that illustrates a wheel rotatably mounted to an axle, which also may be referred to as a wheel/axle assembly, for use in a wheel assembly according to one embodiment of the present invention
  • FIGURE 5 is a perspective view that illustrates a mounting structure for use with a wheel rotatably mounted to an axle, as illustrated in FIGURE 4, to form a wheel assembly;
  • FIGURE 6 is a bottom view that illustrates a wheel assembly that includes the wheel rotatably mounted on the axle as shown in FIGURE 4 and the mounting structure of FIGURE 5;
  • FIGURE 7 is a side view that illustrates the wheel assembly positioned above and through the opening in a footwear to form a heeling apparatus
  • FIGURES 8A, 8B , 8C , and 8D are profile views of various wheels that illustrate the surface profile of these wheels that may used in various embodiments of the present invention.
  • FIGURE 9 is a perspective view that illustrates a mounting structure of another embodiment for use in a wheel assembly of a heeling apparatus
  • FIGURE 10 is a perspective view that
  • FIG. 1 illustrates a wheel assembly that uses yet another embodiment for use in a heeling apparatus
  • FIGURE 11 is a side, partial cutaway view that illustrates one embodiment of a heeling apparatus that illustrates the wheel assembly provided in the sole of the heeling apparatus and the opening in the sole not extending completely through the sole;
  • FIGURE 12 is a side view of another embodiment that illustrates the heeling apparatus of the present invention with a removable wheel cover positioned to cover the wheel and the opening in the sole;
  • FIGURE 13 is a bottom view that illustrates another embodiment of the present invention with a spherical ball serving as a wheel and positioned in a mounting structure in an opening in the heel portion of the sole;
  • FIGURE 14 is a perspective view that
  • FIGURE 15 is a perspective view that
  • FIGURE 4 illustrates a wheel rotatably mounted to an axle, which also may be referred to as a wheel/axle assembly, similar to FIGURE 4;
  • FIGURE 16 is a cutaway view that illustrates a collapsible axle of the wheel/axle assembly of FIGURE 15 implemented as a spring-loaded collapsible axle;
  • FIGURE 17 is a perspective view that
  • FIG. 1 illustrates another mounting structure for use with the wheel/axle assembly and the collapsible axle, as
  • FIGURE 15 and FIGURE 16 to form a wheel assembly
  • FIGURE 18 is a side, cutaway view that
  • FIG. 1 illustrates a wheel assembly positioned through an opening in a sole that illustrates one embodiment of an axle that couples to the mounting structure to provide a retractable wheel using an assembly that may be referred to as a king pin arrangement;
  • FIGURE 19 is a bottom view that illustrates the wheel assembly of FIGURE 18 that further illustrates the dual king pin arrangement
  • FIGURE 20 is a side view that illustrates one member of the mounting structure that further illustrates the coupling of the axle to the mounting structure using the dual king pin arrangement;
  • FIGURE 21 is a breakaway and perspective view that illustrates a two piece wheel that includes an inner core and an outer tire and that may be used in the present invention
  • FIGURE 22A is a side, isometric view that illustrates one embodiment of a wheeled platform apparatus with an attachment structure
  • FIGURE 22B is a side, isometric view that illustrates one embodiment of a wheeled platform apparatus with no attachment structure
  • FIGURE 23 is a side view that illustrates one embodiment of a wheeled platform apparatus with an attachment structure
  • FIGURE 24 is a top view that illustrates one embodiment of a wheeled platform apparatus with an attachment structure
  • FIGURE 25 is a top, isometric view that illustrates one embodiment of a wheeled platform apparatus with an attachment structure
  • FIGURE 26 is a front, isometric view that illustrates one embodiment of a wheeled platform apparatus with an attachment structure
  • FIGURE 27 is a rear, isometric view that illustrates one embodiment of a wheeled platform apparatus with an attachment structure
  • FIGURE 28 is a front view that illustrates one embodiment of a wheeled platform apparatus interfaced with a footwear
  • FIGURES 29A, 29B, 29C , and 29D are side views that illustrate embodiments of a wheeled platform apparatus with a heeling apparatus, quad skate, inline skate, and external wheel assembly, respectively, positioned behind and in contact with the back of the wheeled platform apparatus;
  • FIGURE 29E is a side view that illustrates a one embodiment of a wheeled platform apparatus with a heeling apparatus, with elevated forefoot, positioned at least partially behind the wheeled platform apparatus;
  • FIGURES 30A, 30B, 30C, and 30D are side views that illustrate one embodiment of a user with one foot positioned on the wheeled platform apparatus and the remaining foot configured with a heeling apparatus, quad skate, inline skate, and external wheel assembly, respectively;
  • FIGURE 31 is a top view that illustrates one embodiment of a wheeled platform apparatus with an axle attachment structure
  • FIGURE 32 is a side, isometric view that illustrates one embodiment of a wheeled platform apparatus with a wheel attachment structure
  • FIGURE 33 is a side isometric view that illustrates one embodiment of a wheeled platform apparatus with an at least partially recessed wheel attachment structure
  • FIGURE 34 is a side, isometric view that illustrates one embodiment of a wheeled platform apparatus with a removable deckplate and an attachment structure ;
  • FIGURE 35 is a side view that illustrates one embodiment of a wheeled platform apparatus with a removable deckplate and an attachment structure;
  • FIGURE 36A is a side isometric view that illustrates one embodiment of a wheeled platform
  • FIGURE 36B is a top view that illustrates one embodiment of a wheeled platform apparatus with a removable deckplate and a removable deckplate locking structure ;
  • FIGURE 37 is a side isometric view that illustrates one embodiment of a wheeled platform
  • FIGURE 38 is a breakaway and perspective view that illustrates an embodiment of a wheeled platform apparatus with a removable deckplate, attachment
  • axle structure axle structure, fasteners, tensioner, recess, mid-chassis, and a platform
  • FIGURE 39A is a perspective view that
  • FIG. 1 illustrates an embodiment of the attachment structure illustrating a first fastener opening, a sleeve-like opening, and a tensioner opening;
  • FIGURE 39B is a side-view that illustrates an embodiment of an attachment structure illustrating a sleeve-like opening and a projection
  • FIGURE 39C is a bottom-view that illustrates an embodiment of an attachment structure illustrating first and second fastener openings, a projection, and a sleeve ⁇ like opening;
  • FIGURE 40A is a rear perspective view that illustrates an embodiment of a mid-chassis with a recess for storing objects, such as axle structures;
  • FIGURE 40B is a top view that illustrates an embodiment of a deckplate
  • FIGURE 40C is a rear perspective view that illustrates an embodiment of a mid-chassis with a recess for storing objects, such as axle structures;
  • FIGURE 41A is a front perspective view that illustrates an embodiment of a strap coupled to a mid- chassis by a deckplate;
  • FIGURE 41B is a side perspective view that illustrates an embodiment of a strap coupled to a mid- chassis by a deckplate;
  • FIGURE 41C is a perspective view that
  • FIG. 1 illustrates an embodiment of a strap positioned over the recess of a mid-chassis
  • FIGURE 41D is a perspective view that
  • FIG. 1 illustrates an embodiment of a deckplate placed over the mid-chassis with a strap positioned therebetween;
  • FIGURE 41E is a perspective view that
  • FIG. 1 illustrates an embodiment of a deckplate placed over a mid-chassis, having a recess for storing objects, with a strap positioned therebetween;
  • FIGURE 41F is a perspective view that
  • FIG. 1 illustrates an embodiment of a wheeled platform apparatus having a strap attached thereto and positioned around a user' s foot ;
  • FIGURE 42 is a side view that illustrates an embodiment of a wheeled platform apparatus with the forefoot of a heeling apparatus positioned in contact with the surface as a brake;
  • FIGURE 43 is a side view that illustrates an embodiment of a wheeled platform apparatus with the heel of a heeling apparatus positioned in contact with the surface as a brake;
  • FIGURE 44 is a perspective view that
  • FIGURE 45 is a bottom view that illustrates an embodiment of a heeling apparatus having a recess for receiving a wheel assembly or an attachment structure;
  • FIGURE 46A is a perspective view that
  • FIG. 1 illustrates an embodiment of a deckplate being removably mounted to a wheeled platform apparatus
  • FIGURE 46B is a perspective view that
  • FIG. 1 illustrates an embodiment of a deckplate being removed from a wheeled platform apparatus
  • FIGURE 47 is a bottom view that illustrates an embodiment of a wheeled platform apparatus with a removable wheel assembly
  • FIGURE 48 is a perspective view that
  • FIGURE 49 is a perspective view that
  • FIG. 1 illustrates an embodiment of an attachment structure being attached to a wheeled platform apparatus
  • FIGURE 50 is a exploded view that illustrates an embodiment of an attachment structure showing placement of axle and tensioner.
  • FIGURE 51 is a side view that illustrates an embodiment of a wheeled platform apparatus with a non- rolling portion of a heeling apparatus positioned in contact with the surface as a brake.
  • FIGURES 1-21 and the accompanying description illustrate and describe various aspects of a heeling apparatus and method as exemplary athletic footwear that may be configured, modified or employed to cooperate with a wheeled platform apparatus 1000, according to one or more aspects of the present invention. It should be appreciated, however, that the present invention is not limited to the construction, configuration and
  • FIGURE 1 is a side view of a heeling
  • the heeling apparatus 10 preferably includes a wheel assembly provided in an opening in the heel portion of the sole of a footwear.
  • the athletic shoe 12 includes an opening in the bottom of a heel portion 18 of a sole 14 with a wheel assembly provided in the hole such that a wheel 16 extends below the bottom of the sole 14.
  • the wheel assembly preferably includes at least one wheel, such as the wheel 16, rotatably mounted on an axle (not illustrated in FIGURE 1) .
  • the wheel 16 mounted on the axle is preferably positioned in the opening of the sole 14 through a mounting structure (not illustrated in FIGURE 1) that is operable to support the axle such that a portion of the wheel 16 extends below the heel
  • the amount or length of the portion of the wheel 16 that extends below the bottom of the sole 14, as defined by a distance 24, will preferably be less than the diameter of the wheel 16.
  • the distance 24, however, may be greater than, less than, or equal to the diameter of the wheel 16.
  • the athletic shoe 12, as is true of most footwear, may be generally described as having the sole 14 and an upper part 26.
  • the upper part 26 may be constructed of virtually any material such as, for example, leather, plastic, or canvas.
  • the sole 14 may include three parts: (1) an inner sole or insole (not illustrated in FIGURE 1); (2) a midsole 28; and (3) an outer sole or outsole 30.
  • the insole may provide added cushion and may or may not be removable.
  • the insole may include a removable portion, such as a DR. SCHOLL'S insole, and a portion that remains attached to the athletic shoe 12.
  • the outsole 30 will preferably be made of a durable material, such as rubber, and may have a textured surface, such as with knobbies, to provide added traction.
  • the midsole 28 will generally be constructed of a soft or "cushiony" material and will generally be thicker than the insole and the outsole 30.
  • the sole 14 will comprise only one part, such as the leather sole of a loafer.
  • the sole 14 may include a separate heel block or object that elevates the footwear, such as the heel of a leather wingtip dress shoe. This heel block or object may be considered to be part of the heel portion 18 of the sole 14. It should be understood that the present invention may be implemented in virtually any footwear, irrespective of the design or the make-up of the sole 14.
  • the sole 14 may also be divided into three portions or regions: (1) the heel portion 18, (2) an arch portion 20, and (3) a forefoot portion 22, as illustrated in FIGURE 1. It should be understood that the heel portion 18, the arch portion 20, and the forefoot portion 22 of the sole 14 are incapable of being exactly defined and located, and that such portions vary from one footwear type to another. Thus, the location, the boundaries between, and the size of the heel
  • the position of the opening in the bottom of the sole 14, and hence also the wheel 16, is preferably located in the heel portion 18 of the sole 14, such an opening may also be located at the boundary of the heel portion 18 and the arch portion 20, at the arch portion 20, or at virtually any other location on the sole 14.
  • the opening in the bottom of the sole 14 may extend entirely through the sole 14, e.g., through the outsole, the midsole and the insole, or only partially through the sole 14, e.g., through the outsole, and a portion or all of the midsole.
  • the wheel 16 may be constructed or made of virtually any known or available material such as, for example, a urethane, a plastic, a polymer, a metal, an alloy, a wood, a rubber, a composite material, and the like. This may include, for example, aluminum, titanium, steel, and a resin. Preferably, the material will be durable, provide quiet performance, and will provide a "soft" or "cushioning" feel. In one embodiment, the wheel 16 may be implemented as one or more precision bearings such that the precision bearing serves as the wheel 16 itself.
  • the wheel assembly may include a spring or suspension such as, for example, a leaf spring, to provide additional cushion or suspension when the wheel 16 contacts a surface and a force is applied to the athletic shoe 12 in the direction of the surface, such as when a someone is wearing and walking in the heeling apparatus 10.
  • the spring is preferably provided as part of the mounting structure of the wheel assembly.
  • the wheel 16 is provided as a two piece wheel with an inner core, such as a hard inner core, such as a hard inner core, surrounded by an outer tire, such as a urethane tire .
  • the wheel 16 and the axle may be removable from the wheel assembly.
  • a removable cover may be provided in the opening in the sole 14 to cover the opening so that debris and dirt does not enter the opening.
  • the removable cover may be provided in
  • an axle portion of the removable cover fits and/or couples to the mounting structure in the same or similar manner that the axle in which the wheel 16 is mounted fits and/or couples to the mounting structure of the wheel assembly.
  • a tool may also be provided to facilitate the removal of the axle and wheel 16. This tool will, preferably, be small and multi-functional to provide any other possible
  • the wheel 16 may be retractable into the opening in the sole 14. In this manner, the wheel 16 may be retracted into the sole 14 and, thus, will not extend below the bottom of the sole 14. This allows the heeling apparatus 10 to function just like ordinary footwear, such as the athletic shoe 12.
  • the wheel assembly does not include an axle, and, ideally, not a mounting structure, and the wheel 16 is provided as a sphere, such as a stainless steel ball bearing, that is rotatably positioned in the opening in the bottom of the heel portion 18 of the sole 14, one embodiment of which is shown in FIGURE 13.
  • the wheel assembly comprises an axle positioned completely through or partially through the heel portion 18 of the sole 14 such that the sole 14 supports the axle and the wheel is rotatably mounted on the axle in the opening of the sole 14. In this manner, the need for the mounting structure is eliminated.
  • a person wearing the heeling apparatus 10 may either walk normally or roll on the wheel 16 by lifting or raising the sole 14 so that only or almost only the wheel 16 contacts a surface. This action may be referred to as "HEELING” or to "HEEL.”
  • the wheel 16 depending on the desired implementation of the present invention, may be removed or retracted to a position such that the wheel 16 does not extend below the bottom of the sole 14. This, generally, will result in the heeling apparatus 10 performing like an associated footwear.
  • a removable cover may be placed over the opening in the bottom of the sole 14 to prevent debris from entering the opening and potentially damaging the wheel assembly.
  • a removable cover may be placed over the wheel 16 while a portion of the wheel 16 remains extended below the bottom of the sole 14 to assist with walking, an example of this is illustrated in FIGURE 12.
  • the user may still comfortably walk and run, even with the wheel 16 extended. This generally occurs because the distance 24 can be minimal, which provides a unique "stealth” or “covert” aspect to heeling. This also results in the wheel rolling the opening or hole in the sole 14 of the heeling apparatus 10.
  • the distance 24 is less than the radius of the wheel 16, which results in most of the wheel residing within the opening of the sole 14.
  • FIGURES 2A and 2B are bottom views of two embodiments of the sole 14 of the heeling apparatus 10.
  • the outsole 30 or bottom of the sole 14 is illustrated in FIGURE 2A with an opening 40 in the heel portion 18 of the sole 14.
  • the opening 40 is provided in a square or rectangular configuration.
  • the opening 40 may be provided in virtually any configuration, such as, for example, a circular or an elliptical configuration.
  • the opening 40 may extend partially or completely through the sole 14.
  • the opening 40 may be provided through a heel block or object. Further, the opening 40 be positioned in, near, or in a combination of the heel portion 18, the arch portion 20, and the forefoot portion 22.
  • FIGURE 2B illustrates a second embodiment as to the placement and configuration of the opening 40.
  • the outsole 30 is illustrated with an opening 40A and an opening 40B in the heel portion 18 of the sole 14.
  • one or more wheels including one or more axles, may be positioned in both the opening 40A and 40B.
  • FIGURES 3A and 3B are bottom views of the two embodiments of the sole 14 as shown in FIGURES 2A and 2B and illustrate a wheel in each of the openings of the soles. This includes a wheel 42 positioned in the opening 40 in FIGURE 3A and a wheel 42A and a wheel 42B in the openings 40A and 40B, respectively, of FIGURE 3B.
  • the wheel 42 and the wheels 42A and 42B are illustrated as cylindrical wheels. These wheels, however, may be provided in virtually any available configuration. Further, one or more wheels may be positioned in each opening.
  • FIGURE 3A further illustrates other elements of the wheel assembly that include a first member 48 and a second member 54 of a mounting structure that is used to removably couple with an axle 50.
  • the axle 50 extends through the wheel 42 such that the wheel 42 is rotatably coupled or mounted to the axle 50.
  • precision bearings such as high performance precision bearings, provided in a recess, such as an annular recess, on either side of the
  • a first precision bearing 56 and a second precision bearing 58 may be ABEC grade precision bearings and are illustrated with hidden lines and positioned in the first recess and second recess of the wheel 42. In alternative embodiment, loose ball bearings may be used.
  • the axle 50 may be made of any material that provides suitable physical characteristics, such as strength and weight, to name a few.
  • the axle 50 is preferably made of hardened steel, is cylindrical in shape, each end is rounded, and is removably coupled with a first member 48 and a second member 54, respectively, of the mounting structure.
  • the removable coupling between each end of the axle 50 and the first member 48 and the second member 54 may be achieved by any known or available mechanism.
  • a sphere or a ball bearing preferably using a moveable spring and/or a screw bias, is used to contact and exert a side wall force between one or members of the mounting structure and the axle 50.
  • FIGURE 3A also illustrates a grind plate 44 (which also may be referred to as a slide plate 44) that may be used in conjunction with the heeling apparatus 10 of the present invention.
  • the grind plate 44 provides a smooth or relatively smooth surface to allow a user to "grind” or “slide” on various surfaces such as hand rails, curbs, steps, corners, and the like.
  • the grind plate 44 is preferably somewhat thin and made of a plastic or polymer material.
  • the grind plate 44 is removably attached to the arch portion 20 of the outsole 30 of the sole 14.
  • the grind plate 44 may be attached using any known or available fastener, such as, for example, a fastener 46 shown in various locations around the periphery of the grind plate 44.
  • FIGURE 3B further illustrates an axle 52 in which the wheel 42A and the wheel 42B are coupled to either end in the opening 40A and the opening 40B, respectively.
  • the axle 52 extends through both the wheels 42A and 42B and through a portion of sole 14, not visible in FIGURE 3B. This serves to support the axle 52 and illustrates the situation where the sole 14 serves as the mounting structure of the wheel assembly. This reduces the overall number of parts.
  • a metal or some other suitable material may be used within the heel portion 18 of the sole 14 where the axle 52 is positioned to provide additional support and stability. This is an example where the mounting structure is, in effect, integrated into the sole 14.
  • the present invention may be implemented in any number of ways.
  • FIGURE 4 is a perspective view of a wheel 60 rotatably mounted on an axle 62, which also may be referred to as a wheel/axle assembly, for use in a wheel assembly, or in a heeling apparatus, according to one embodiment of the present invention.
  • the wheel 60 and the axle 62 may also be referred to as a wheel/axle assembly 400.
  • the axle 62 extends through the wheel 60 and includes two ends that are rounded or bullet shaped.
  • a precision bearing 64 is shown positioned in a recess, which is shown as an annular recess, of the wheel 60 to facilitate the rotation of the wheel 60 around the axle 62.
  • a second precision bearing is positioned in a second recess, not shown in FIGURE 4, to further facilitate such rotation .
  • a slip clip, slip ring, or ring clip 66 is shown positioned around, or nearly around, the axle 62 near the precision bearing 64. This serves to ensure that the precision bearing 64 remains in place in the recess of the wheel 60.
  • the slip clip or ring clip 66 will preferably be positioned on the axle 62 through a groove, such as a radial groove or radial indentation, in the axle 62. It should be understood, however, that one of ordinary skill in the art may use any of a variety of other arrangements to ensure that the precision
  • the precision bearing 64 may be eliminated or loose bearings may be used.
  • the wheel 60 rotatably mounted on the axle 62 may, in alternative embodiments, serve as the wheel assembly of the present invention.
  • the axle 62 may be mounted to the sole, such as the midsole and heel portion, at its ends while the wheel 60 is rotatably provided in the opening of the sole. In this manner, the need for a mounting structure may be thought of as eliminated or, alternatively, the mounting
  • FIGURE 5 is a perspective view of a mounting structure 70 for use with a wheel rotatably mounted to an axle, such as is illustrated in FIGURE 4, to form a wheel assembly.
  • the mounting structure 70 generally includes a heel control plate 72, a first member 74, and a second member 76.
  • a spring such as a leaf spring, could be provided where the two members contact the heel control plate 72. This would provide the added benefit of greater cushion and suspension.
  • the two members include an opening, such as the opening 78 of the first member 74 to receive an end of an axle. It should be mentioned that the opening may be provided in virtually any configuration, including extending through the member, or placed at different positions, or even multiple positions for mounting the wheel/axle assembly 400 at a retractable position and an extended position, on the member.
  • the axle that is to be positioned in the openings of the first member 74 and the second member 76 will preferably be removably coupled. This may be achieved by any number of arrangements and
  • screw/ spring/ball bearing arrangement 80 provided in first member 74.
  • This arrangement provides an adjustable bias or force that can be exerted against the axle when it is inserted into the opening 78.
  • the screw is accessible and adjustable by the user. The turning of the screw affects the compression of a spring which, in turn, provides a force on a ball bearing that extends out into the opening 78.
  • the ball bearing may be displaced an amount and the screw/spring/ball bearing arrangement 80 will provide a side force to allow the axle to be secure, yet removable.
  • a similar arrangement may also be provided in the second member 76 to provide a friction fit or coupling on the other end of the axle 62.
  • arrangement 80 of FIGURE 5 is shown being implemented through a horizontal opening in the first member 74, it may be implemented in using an opening aligned in virtually in manner in the member. For example, the adjustment of the tension or pressure on the
  • screw/ spring/ball arrangement 80 may be achieved through a diagonal opening such that the exposed end of the screw/ spring/ball arrangement 80, normally a screw head end, is provided where the reference line for numeral 74 in FIGURE 5 contacts the first member 74. This provides easier access to adjust the tension and friction fit on the axle 62 when the wheel assembly, such as wheel assembly 100 of FIGURE 6, is engaged or positioned within the opening of a sole to form a heeling apparatus.
  • the wheel assembly such as wheel assembly 100 of FIGURE 6
  • the mounting structure 70 can be made or constructed of virtually any material, generally
  • the mounting structure 70 is made of a metal, such as aluminum, that has been anodized such that the mounting structure 70 presents a black color or hue .
  • FIGURE 6 is a bottom view of a wheel
  • the first member 74 and the second member 76 each removably couple with the ends of the axle 62 through a bias mechanism implemented using a bias mechanism, such as the screw/spring/ball bearing arrangement 80.
  • a ball bearing 102 is shown contacting one end of the axle 62 in the opening 78.
  • Further slip clips or ring clips (which may also be referred to as snap rings or slip rings), such as ring clip 66, are provided to ensure that the precision bearings positioned in the recesses of the wheel remain in position.
  • the heel control plate 72 allows the user of the heeling apparatus to gain greater control and to obtain greater performance out of the heeling apparatus.
  • FIGURE 7 is a side view of the wheel
  • heel control plate 72 resides inside the shoe so that the heel of the user may apply pressure to the heel control plate as desired to provide better handling and performance of the heeling apparatus 120.
  • FIGURES 8A, 8B, 8C , and 8D are profile views of various wheels 200 that illustrates the surface profile of these wheels that may used in various embodiments of the present invention.
  • a wheel 202 is shown with a flat or square surface or exterior
  • a wheel 206 is shown with an inverted surface profile 208.
  • a wheel 210 is shown with round surface profile 212.
  • a wheel 214 is shown with a steep surface profile 216.
  • the present invention may incorporate virtually any available surface profile of a wheel.
  • FIGURE 9 is a perspective view that illustrates a mounting structure 500 of another embodiment for use in a wheel assembly of a heeling apparatus.
  • the mounting structure 500 includes an axle 502, which may be
  • axle 502 that couples with the member 506 along with an axle 504 that couples with the member 506 opposite axle 502.
  • structure 500 also includes a heel control plate 508 coupled with the member 506.
  • the mounting structure 500 allows for two wheels to be mounted to form a wheel assembly.
  • a wheel may be rotatably mounted on the axle 502, preferably using a precision bearing, and a wheel may be rotatably mounted on the axle 504, also preferably through a precision bearing as illustrated previously herein.
  • the axle 502 and the axle 504 include a threaded portion such that a nut, such as a lock nut 510 may be included to secure a wheel to each axle.
  • a nut such as a lock nut 510 may be included to secure a wheel to each axle.
  • the end of the axles may include internal threads, as opposed to external threads as shown, so that a screw, such as the hex screw as shown in FIGURE 10. It should be understood that virtually any available coupling may be provided between the axle and the member.
  • FIGURE 10 is a perspective view that
  • FIG. 5 illustrates a wheel assembly 520 that uses yet another embodiment for use in a heeling apparatus and includes a wheel 522 rotatably mounted to an axle 524 using a precision bearing 526, and a first member 528 and a second member 530 coupled to each end of the axle 524 through a screw, such as hex screw 532.
  • the wheel assembly 520 is similar to wheel assembly 100, which was described above in connection with FIGURE 6, except that the wheel/axle assembly cannot be as easily inserted and removed .
  • FIGURE 11 is a side, partial cutaway view that illustrates one embodiment of a heeling apparatus 600 that illustrates a wheel assembly 602 provided in a sole 604 and an opening 606 in the sole 602 that does not extend completely through the sole 602.
  • the mounting structure 608 may be provided or integrated into the sole 602 and may not be readily or easily removed.
  • a wheel 610 is also shown extending partially below the bottom of the sole 602, which provides the advantage of stealth heeling.
  • FIGURE 12 is a side view of another embodiment that illustrates a heeling apparatus 620 of the present invention with a removable wheel cover 622 positioned to cover a wheel 624 and an opening 626 in a sole 628.
  • the removable wheel cover 622 allows for the wheel to be provided in an extended position, i.e., below the bottom surface of the sole 628, yet not engage a surface to roll.
  • the heeling apparatus 620 of the present invention allows a user to walk and run, even with the wheel in an engaged position, the removable wheel cover 622 provides protection from dirt and debris and provides greater stability.
  • a wheel stop may be provided, in lieu of or in conjunction with the removable wheel cover 622, to stop the rotation of the wheel 624.
  • the wheel stop is made of virtually any material, such as a sponge or flexible material, that can be wedged between the wheel 624 and the opening 626 to stop or prevent the rotation of the wheel 624 and to stay in place through friction .
  • a wheel cover is provided when the wheel 624 has been removed from the heeling apparatus 620.
  • this wheel cover is generally flush with the remainder of the bottom of the sole 608, and, hence, provides the function of a regular shoe when desired and protects the opening.
  • This wheel cover may couple in any available manner, but preferably will couple to the wheel assembly in the same or similar manner that the
  • wheel/axle assembly couples to the mounting structure.
  • the removable wheel cover could clip or attach to the wheel assembly in many different ways.
  • FIGURE 13 is a bottom view that illustrates another embodiment of a heeling apparatus 700 with a spherical ball 702 serving as a wheel and positioned in a mounting structure 704 in an opening in the heel portion of the sole 706.
  • FIGURE 14 is a perspective view that
  • Heeling can be achieved using various techniques and, generally, requires a skill set of balance,
  • An illustrative method for using a heeling apparatus on a surface may include running on a surface by using a forefoot portion of a sole of the heeling apparatus to contact the surface, and then rolling on the surface with a wheel of the heeling apparatus extended below the bottom of the sole through an opening in the sole by using a wheel of the heeling apparatus to contact the surface.
  • the method may include walking on the surface while wearing the heeling apparatus with a wheel of the heeling apparatus extended below the bottom of a sole portion of the heeling apparatus before running on the surface. Heeling may also be performed on a hill or a surface that includes a decline .
  • the method of heeling may also include engaging the wheel of the heeling apparatus to extend below the bottom of the sole portion of the heeling apparatus before walking on the surface.
  • the method may also include walking on the surface while wearing the heeling apparatus before engaging the wheel of the heeling apparatus and with the wheel of the heeling apparatus retracted.
  • Other variations on the method may include transitioning from rolling on the surface to either running, walking, or stopping on the surface by running on the surface through using the forefoot portion of the sole of the heeling apparatus to contact the surface just after rolling on the surface.
  • FIGURE 14 The preferred position while heeling is illustrated by the heeler 800 in FIGURE 14 where one heeling apparatus 802 is placed in front of the other heeling apparatus 804 while rolling on a surface.
  • a back heel portion 806 of the heeling apparatus 804 sometimes the clearance between the back heel portion 806 and the surface is small.
  • the back heel portion 806 is made of a wear resistant material.
  • the method of heeling may also implement any number of techniques for slowing or stopping. For example, rolling may be slowed by contacting the forefoot portion of the sole of the heeling apparatus to contact the surface to create friction and to remove the wheel from the surface. Another example includes slowing by contacting a heel portion of the sole of the heeling apparatus to contact the surface.
  • FIGURE 15 is a perspective view that
  • FIG. 904 illustrates a wheel 902 rotatably mounted to a collapsible axle 904, which also may be referred to as a wheel/axle assembly 900, similar to FIGURE 4.
  • the collapsible axle 904 may be implemented in any number of ways, such as an adjustable axle that is spring loaded, similar to what is shown in FIGURE 16, or as a screw collapsible axle. This allows the wheel/axle
  • FIGURE 16 is a cutaway view that illustrates a collapsible axle 904 of the wheel/axle assembly 900 of FIGURE 15 implemented as a spring loaded collapsible axle.
  • the collapsible axle 904 may be adjusted or shortened by inwardly compressing both ends of the collapsible axle 904 to overcome the internal spring force .
  • FIGURE 17 is a perspective view that
  • FIG. 9 illustrates another mounting structure 920 for use with the wheel/axle assembly 900 and the collapsible axle 904, as illustrated in FIGURE 15 and FIGURE 16, respectively, to form a wheel assembly.
  • the collapsible axle 904 may couple to a first member 922 and a second member 924 at a first position 926 at the first member 922 and the second member 924 so that the wheel is in a retracted position.
  • the collapsible axle 904 may also couple to the first member 922 and the second member 924 at a second
  • FIGURE 18 is a side, cutaway view that illustrates a wheel assembly 940 positioned through an opening in a sole 942 that illustrates one embodiment of an axle 944 that couples to a mounting structure 946 to provide a retractable wheel 948 using an assembly that may be referred to as a king pin arrangement or dual king pin arrangement.
  • This allows the retractable wheel 948 to be adjusted up or down, as desired, and from a retractable position to an extended position.
  • a king pin 950 (which may be implemented as a threaded screw or bolt) is shown threadingly engaged in a threaded opening in a member of the mounting structure 946. As the king pin 950 is screwed further into the opening in the member, the axle 944 is further retracted.
  • a king pin 950 will also be provided at the other member to raise the other side of the axle 944.
  • a single king pin could be provided through the single member to provide retractable wheels through the coupling of the members and the axle.
  • FIGURE 19 is a bottom view that illustrates the wheel assembly 940 of FIGURE 18 and further illustrates the dual king pin arrangement and the king pins 950 through the members of the mounting structure 946.
  • FIGURE 20 is a side view that illustrates one member of the mounting structure 946 and further
  • FIGURE 18 illustrates the coupling of the axle 944 to the mounting structure 946 using the dual king pin arrangement similar to FIGURE 18. As discussed above, this allows the axle 944, and hence the attached wheel, to be
  • axle may couple to a member of a mounting structure using any available technique and in virtually an unlimited number of ways.
  • an axle may couple to the first member and the second member of a mounting structure to move from a retracted position to an extended position through a spring arrangement .
  • an axle may couple to the first member and the second member of a mounting structure to move from a retracted position to an extended position through a hinged arrangement.
  • FIGURE 21 is a breakaway and perspective view that illustrates a two piece wheel 970 that includes an inner core 972, an outer tire 974, such as a urethane wheel, an axle 976 (which may not be shown to skill), and a bearing 978 that may be used in the present invention.
  • the bearing 978 is small in comparison to the two piece wheel 970, for example, the bearing 978 may have an outer diameter that is less than half the outer diameter of the outer tire 974. This can provide significant advantages, that include a softer ride, better control, and are longer lasting. This is because the outer tire 974 can be larger and thicker.
  • the bearing 978 is larger and has an outer diameter that is more than half the outer diameter of the outer tire 974.
  • the inner core portion of the two piece wheel is made of a harder material that provides rigidity for enhanced bearing support, while the outer tire portion is made of a softer material, such as a soft urethane, for improved performance and a quieter ride.
  • These types of wheels may be referred to as a "dual durometer" type wheel.
  • FIGURE 22A illustrates a side isometric view of a wheeled platform apparatus 1000 according to one embodiment.
  • the wheeled platform apparatus 1000
  • a platform 1010 which operates as a chassis, having a rear portion 1020, a center portion 1030, a front portion 1040, a top surface 1050, and a bottom surface 1060.
  • the platform may also include a deckplate 1012, which in some embodiments
  • the front portion 1040 of the bottom surface 1060 further includes a first or front wheel 1070 interfacing with the bottom surface 1060 and a second or rear wheel 1080 interfacing with the bottom surface 1060 of the platform 1010 to facilitate rolling movement of the wheeled platform apparatus 1000.
  • the first wheel 1070 and/or the second wheel 1080 may be housed at least partially within the platform 1010, with at least a portion of the first wheel 1070 and/or the second wheel 1080 extending at least partially below the bottom surface 1060 of the platform 1010 for contact with a surface, such as concrete, asphalt, or other suitable surface, upon which the wheeled platform apparatus 1000 may roll.
  • the platform 1010 may be positioned closer to the ground, which lowers the center of gravity of the wheeled platform apparatus 1000, and enhances the stability and safety of the wheeled platform apparatus.
  • the platform 1010 may be made of metal, wood, biofiber, plastic, polymer, ceramic, composite, acrylic, renewable, recycled, or other suitable materials capable for supporting a user' s weight as intended or desired.
  • the first wheel 1070 and the second wheel 1080 may be positioned at least partially along a longitudinal centerline of the platform 1010 that extends from the rear portion 1020 to the front portion 1040 along the center of the platform 1010, as further illustrated, for example, by FIGURES 22B and 23, with the first wheel 1070 being positioned in the front portion 1040 of the platform 1010 and the second wheel 1080 being positioned in the rear portion 1020 of the platform 1010.
  • the general direction of the longitudinal centerline is further illustrated generally by FIGURES 28, 29A, 29E, and 41F, which show a heeling apparatus 2000 being positioned with its heel and toe primarily along the longitudinal centerline of the of the platform 1010, which is generally in the rolling direction of the platform.
  • first wheel 1070 or the second wheel 1080 may be positioned partially or fully in the center portion 1030 of the platform 1010. Additionally, in other embodiments, the first wheel 1070 and the second wheel 1080 may be positioned offset from the longitudinal centerline of the platform 1010 (i.e., the first wheel 1070 and the second wheel 1080 may be positioned to interface with the bottom surface 1060 of the platform 1010 at any location along the bottom surface 1060) .
  • the wheels may be positioned or configured in virtually any known or desired position, including side-by-side, inline.
  • first wheel 1070 and the second wheel 1080 are positioned adjacent to the bottom surface 1060 of the platform 1010 in a manner such that both wheels reside below the area of contact between the wheeled platform apparatus 1000 and the user's foot, the user's safety and control of the wheeled platform apparatus 1000 is enhanced based at least partially upon the user' s ability to steer the wheeled platform apparatus 1000 with one foot.
  • the wheeled platform apparatus 1000 may include wheels in addition to the first wheel 1070 and the second wheel 1080.
  • first wheel 1070 and/or the second wheel 1080 may be permanently attached, removable, or retractable to the platform 1010.
  • first wheel 1070 and/or the second wheel 1080 may be attached to the wheeled platform apparatus 1000 by a friction fit, snap fit, or other suitable fit, including those as described herein and illustrated above in
  • the first wheel 1070 and/or the second wheel 1080 may be a wheel attached to a swivel capable of orienting in a full 360 degree spectrum on a vertical axis for directional rolling, also known as a caster wheel.
  • a swivel capable of orienting in a full 360 degree spectrum on a vertical axis for directional rolling
  • Other types of wheels capable of orienting along at least a portion of a 360 degree spectrum may also be used, such as a ball bearing or spherical trackball.
  • first wheel 1070 and/or second wheel 1080 may be illuminated, via one or more LEDs or other illuminating device, by battery power, induction power, or other suitable means for powering an illumination device.
  • attachment structure 1090 which may be interchangeably referred to herein as attachment
  • interfacing with or positioned adjacent to the top surface 1050 of the platform 1010 is provided for mating, via snap fit, friction fit, magnetic fit, or other suitable mating means, with a non-wheeled or wheeled footwear, including a heeling apparatus 2000, quad skate 2004, inline skate 2006, external wheel assembly 2008, or other wheeled skate, or a user's bare foot.
  • the heeling apparatus 2000, quad skate 2004, inline skate 2006, and/or external wheel assembly 2008 may have removable or permanent wheel assemblies that snap fit, friction fit, strap-on, or are otherwise fastened onto a user's foot or footwear.
  • the external wheel assembly 2008 may consist of a frame having one or more wheels attached thereto with at least a portion of a wheel extending below the bottom of the footwear for contacting with a surface for rolling.
  • the frame of the external wheel assembly 2008 is removably mounted onto the user' s foot or footwear using one or more straps, friction fit, snap fit, or other suitable mating means .
  • an attachment structure 1090 provides a secure connection with a non-wheeled or wheeled footwear, such as a heeling apparatus 2000, thereby enhancing control of the wheeled platform apparatus 1000 by the user as yaw movements between the user' s foot and the wheeled platform apparatus 1000 or separation of the user's foot from the wheeled platform apparatus 1000, which are common in other wheeled platforms, such as skateboards, are eliminated or substantially reduced, thereby increasing controllability, steering, performance (e.g., tricks or stunts), and safety.
  • a non-wheeled or wheeled footwear such as a heeling apparatus 2000
  • the attachment structure 1090 securely attaches only to a heel portion of a heeling apparatus 2000, thereby eliminating the need to buckle, bind, or otherwise adjust cumbersome secondary binding attachments, such as forefoot straps.
  • the attachment structure 1090 projects from the top surface 1050 of the platform 1010 for mating with a recessed heel opening and/or wheel mounting structure within the heel of a heeling apparatus 2000, said heel opening and/or wheel mounting structure may be
  • the attachment structure 1090 is preferably positioned in the rear portion 1020 of the top surface 1050 of the platform 1010 along the longitudinal centerline of the platform 1010.
  • the attachment structure 1090 may be positioned anywhere upon the platform that allows for mating with a non-wheeled or wheeled footwear, including a heeling apparatus 2000, quad skate 2004, inline skate 2006, external wheel assembly 2008, or other wheeled skate, or a user's bare foot.
  • the attachment structure 1090 may be positioned adjacent to or partially within the top surface 1050 of the wheeled platform apparatus 1000 in a manner operable to allow for mating with a non-wheeled or wheeled footwear, including a heeling apparatus 2000, quad skate 2004, inline skate 2006, external wheel assembly 2008, or other wheeled skate, or a user's bare foot primarily along the longitudinal centerline of the platform 1010, which in some embodiments may be at an angle offset from the rolling direction or longitudinal centerline of the platform 1010 of the wheeled platform apparatus 1000.
  • positioning the user's non- wheeled or wheeled footwear or bare foot primarily along the longitudinal centerline of the platform 1010 may occur at an angle less than plus or minus 15 degrees from the rolling direction or the longitudinal centerline of the wheeled platform apparatus 1000.
  • positioning the user's non- wheeled or wheeled footwear or bare foot primarily along the longitudinal centerline of the platform 1010 may occur at an angle less than plus or minus 45 degrees from the rolling direction or the longitudinal centerline of the wheeled platform apparatus 1000. Other angles are possible and are a matter of the user's preference.
  • the attachment structure 1090 which projects from the platform 1010, may be received by a heel opening and/or wheel mounting structure, being generally described above and illustrated in FIGURES 2A, 2B, 3A, 3B, 5, 6, 9, and 10, of a heeling apparatus 2000 and removably attach to the heeling apparatus 2000 by friction fit, snap-fit, magnetic fit, or other suitable mating means, including, for example, a curved projection 1092 for interfacing with an axle recess extending into a heeling apparatus 2000.
  • the attachment structure 1090 may be adjustable to mate with heeling apparatuses 2000 of various embodiments and sizes, some of which may include heel openings and/or mounting structures of different dimensions and structure.
  • an attachment structure 1090 may have a curved projection 1092 for interfacing with a wheel opening or axle recess extending into the bottom surface opening in the heel of a heeling apparatus 2000, wherein the curved projection 1092 is capable of widening or lengthening, under a bias from a spring or through some other suitable mechanism, inward into the attachment structure 1090, thereby changing the axial length or width of the curved projection 1092 for mating with openings, such as heel openings, of certain embodiments of the heeling apparatus 2000.
  • the attachment structure 1090 projects from the rear portion 1020 of the top surface 1050 of the platform 1010 along the longitudinal centerline of the platform 1010 and is formed to interface or couple, by hook, friction fit, magnetic, or other suitable means, with an axle structure 1130 that is attached to a heeling apparatus 2000.
  • the axle structure 1130 may be a solid bar or a longitudinally biased bar capable of adjusting its length, by a spring or other suitable means, so that its overall length may be adjusted, thereby allowing the axle structure 1130 to interface with variable sized heel openings, which, as described above, cooperate with variable sized wheel and axle assemblies, of various embodiments of the heeling apparatus 2000, including heeling apparatuses of different sizes.
  • the attachment structure 1090 may comprise a first clamp arm 1330 and a second clamp arm 1340 mating with a recess in the first side portion 1322 and the second side portion 1324 of the wheel 1320, or other projection, extending from a heeling apparatus 2000 or other footwear, including an inline skate or quad wheeled skate .
  • the attachment structure 1090 may comprise a recess 1310, which may extend into the platform 1010, for mating with a wheel 1320, or other projection, extending from a heeling apparatus 2000 or other footwear,
  • attachment of the wheeled platform apparatus 1000 to a heeling apparatus 2000 or other type of wheeled footwear or skate having a wheel may be by one or more projections extending from the attachment structure 1090 or directly from the wheeled platform apparatus 1000, wherein the one or more projections mate by friction to at least a portion of the wheel.
  • the mating projection may be a "c" shaped curve projection that encircles at least a portion of the wheel and mates by friction fit .
  • one or more mating projections may be used to create a friction fit between a portion of the wheel and the recess of a heeling apparatus 2000.
  • attachment of the wheeled platform apparatus 1000 to a heeling apparatus 2000 or other form of skate or footwear, including an inline skate, other wheeled skate, or non-wheeled footwear may include, as the attachment structure 1090, a lever or force operated binding system as used in snow skis, snowboards, locking bicycle pedals, and the like.
  • a lever or force operated binding system as used in snow skis, snowboards, locking bicycle pedals, and the like.
  • Such a system can include bindings capable of fitting around the outer heel section of the non-wheeled or wheeled footwear, including a heeling apparatus 2000, inline skate, or other wheeled skate.
  • FIG. 1000 Other embodiments for attaching non-wheeled or wheeled footwear, including a heeling apparatus 2000, inline skate, or other wheeled skate, or a user' s bare foot to a wheeled platform apparatus 1000 include straps for securing the non-wheeled or wheeled footwear or a user's foot to the wheeled platform apparatus 1000.
  • the attachment structure 1090 may be made of plastic, polymer, composite, ceramic, metal, or other suitable materials .
  • FIGURE 22B illustrates one embodiment of the wheeled platform apparatus 1000 that does not include an attachment structure 1090.
  • FIGURES 34, 35, 36A, 36B, and 37 illustrate one embodiment of the wheeled platform apparatus 1000, wherein the platform 1010 has a deckplate 1012, which in some embodiments, as illustrated in FIGURES 38 and 41D, may be interchangeably referred to herein as deckplate 1510, positioned adjacent to the top surface 1050 of the platform 1010.
  • the deckplate 1012 may be removably attached to the platform 1010.
  • the deckplate 1012 may be permanently attached to the platform 1010.
  • the deckplate 1012 may be removably attached to the platform 1010 by fastening the attachment
  • the attachment structure 1090 to the platform 1010 with the deckplate 1012 positioned therebetween.
  • the attachment structure 1090 has a projection 1094 that may interfit with a deckplate cutout 1013 for enhancing the attachment of the deckplate 1012 to the platform 1010 by limiting yaw and other side-to-side movements of the deckplate 1012 relative to the platform 1010.
  • the platform 1010 may have a lip or other projection for sliding, snapping, or otherwise placing a portion of the deckplate 1012, such as its edge, between the lip or other projection and the platform 1010, thereby securing the deckplate 1012 to the platform 1010.
  • removal of the deckplate 1010 from the wheeled platform apparatus 1000 may occur by lifting the back of the deckplate 1010 and pulling the deckplate back and away from the lip or other projection for sliding, snapping, or otherwise placing a portion of the deckplate 1012, such as its edge, between the lip or other projection and the platform 1010.
  • a removable deckplate locking structure 1014 may be used to provide a point of
  • the removable deckplate locking structure 1014 may be screwed, bolted, snap fitted, or fastened by other suitable mechanisms to the platform 1010 with the deckplate 1012 positioned and secured therebetween or secured by a lip or other projection extending outwardly from the deckplate locking structure 1014 for interfacing with the deckplate 1012.
  • the deckplate locking structure 1014 may be positioned at the forefoot portion 1040 of the platform 1010, but in still other embodiments, the deckplate locking structure 1014 may be positioned anywhere on the platform 1010.
  • the deckplate locking structure 1014 may be made of plastic, polymer, composite, ceramic, metal, or other suitable materials.
  • a removable deckplate fastener 1016 may be positioned adjacent to, and/or extend from, the underside of the deckplate 1012 for mating, via friction and/or snap fitting, with a platform recess 1018 in the platform 1010 to provide a mechanism of attachment, which may be used alone or in combination with the attachment
  • the deckplate fastener 1016 may be made of plastic, polymer, composite, ceramic, metal, or other suitable materials .
  • the deckplate 1012 may be knurled or otherwise textured for enhancing grip with the user' s foot or footwear, thereby enhancing control of the wheeled platform apparatus 1000 by the user. Such enhanced control contributes to increased usability by the user for directional steering, performing stunts, maneuvers, and tricks with wheeled platform apparatus 1000, and further enhances safety.
  • the deckplate 1012 may have graphics or colors for enhancing aesthetic appeal.
  • the deckplate 1012 may be made of or include a shock absorbing material, such as polymer, gel, rubber, or other substance, for providing shock absorption and/or suspension for the wheeled platform apparatus 1000 and the user.
  • the deckplate 1012 may include a shock absorbing material, such as gel, rubber, liquid, encapsulated pockets of gas, or other suitable substance, capable of absorbing mechanical forces, shock and/or providing suspension for the wheeled platform apparatus 1000 and the user.
  • a shock absorbing material such as gel, rubber, liquid, encapsulated pockets of gas, or other suitable substance, may be partially or fully embedded within the deckplate 1012, or may be positioned adjacent to the deckplate 1012 for providing shock absorption and/or suspension for the wheeled platform apparatus 1000 and the user.
  • a shock absorbing material such as gel, rubber, liquid,
  • encapsulated pockets of gas, or other suitable substance may be positioned above and adjacent to the deckplate 1012 for providing shock absorption and/or suspension for the wheeled platform apparatus 1000 and the user.
  • a shock absorbing material such as gel, rubber, liquid, encapsulated pockets of gas, or other suitable substance, and/or springs, foams, or other types of suitable shock absorbers and/or suspension may be positioned adjacent to the top surface 1050 of the platform 1010 and below and adjacent to the deckplate 1012 to provide shock absorption and/or suspension for the wheeled platform apparatus 1000 and the user.
  • the deckplate 1012 may be at least partially clear, at least partially translucent, or otherwise at least partially non-opaque to allow for aesthetic visibility through the deckplate 1012 for viewing, for example, a shock absorbing material, such as gel, rubber, liquid, encapsulated pockets of gas, or other suitable substance, and/or springs, foams, or other types of suitable shock absorbers and/or suspension.
  • the platform 1010 may house illumination devices, such as LEDs or lights, for illuminating the wheeled platform apparatus 1000. The illumination devices may be powered by battery power, solar power, or other suitable power means.
  • the illumination devices may be powered by induction motors built into or in conjunction with the first or front wheel 1070 and/or the second or rear wheel 1080.
  • the illumination devices may project light through the deckplate 1012, which may be at least partially clear, at least partially translucent, or otherwise at least partially non-opaque. Illumination of the wheeled platform apparatus 1000 by any method described herein or any other suitable method increases safety to the user by enhancing visibility of the wheeled platform apparatus 1000 and thus the user.
  • the deckplate 1012 may be made of plastic, polymer, composite, ceramic, metal, or other suitable materials .
  • the grinding structure 1106 is generally positioned along the bottom surface 1060 of the center portion 1030 of the platform 1010, but may extend into the bottom surface 1060 of the rear portion 1020 and/or front portion 1040 of the platform 1010. In some embodiments, the grinding structure 1106 may be permanently attached to or
  • the grinding structure 1106 may be molded as a continuous and permanent portion of the platform 1010. In still other embodiments, the grinding structure 1106 may be textured. In further embodiments, the grinding structure 1106 may be made of metal, plastic, polymer, ceramic, composite, or any other material suitable for "grinding.” In some embodiments, the grinding structure 1106 may be made of the same material as the platform.
  • FIGURES 22A, 22B, 23, 24, 25, 27, 29A, 29B, 29C, 29D, 29E, 30A, 30B, 30C, 30D, and 31 illustrate one embodiment of the wheeled platform apparatus 1000 having a foot rest 1100 positioned adjacent to the rear portion 1020 of the platform 1010 for resting the forefoot portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the user By resting the forefoot portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, upon the foot rest 1100, the user is able to roll or heel in conjunction with the wheeled platform apparatus 1000 without having to constantly exert muscle force to raise the forefoot portion of the heeling apparatus 2000 or other skate or rolling apparatus. This allows a user to roll great distances with less effort, and allows rougher surfaces to be traversed.
  • the foot rest 1100 may be considered part of or adjacent the rear portion 1020, and for example, the foot rest 1100 may extend from behind the rear portion 1020, may extend from a side of the rear portion 1020, may be removable from the rear portion 1020, or may be part of the rear portion 1020.
  • the foot rest 1100 extends horizontally or downwardly from the rear portion 1020 of the platform 1010 at any desired angle, such as an angle less than 180 degrees from a plane passing through the platform 1010 of the wheeled platform apparatus 1000. In yet other embodiments, the foot rest 1100 extends upward from the rear portion 1020 of the platform 1010 at an angle less than 180 degrees from a plane passing through the platform 1010 of the wheeled platform apparatus 1000, such as a plane that is parallel to a flat, level surface in which the wheeled platform apparatus 1000 rolls upon.
  • the foot rest 1100 may be used as a braking surface by shifting the user' s weight on the platform 1010 to raise the front portion 1040 and first wheel 1070 of the platform 1010 thereby downwardly angling the rear portion 1020 of the platform 1010, which brings the foot rest 1100 into contact with the surface upon which the wheeled platform apparatus is rolling (i.e., concrete, asphalt, etc.). This interface between the foot rest 1100 and the rolling surface creates friction, thereby slowing the rolling of the wheeled platform apparatus 1000.
  • the foot rest 1100 may be textured to enhance grip with the heeling apparatus 2000 or other skate or footwear and to enhance the braking effect with the rolling surface, as described herein.
  • the foot rest 1100 may have a partial or full coating, or other suitable application, of rubber, plastic, or other suitable material for enhancing the grip with the heeling apparatus 2000 or other skate or footwear and to enhance the braking effect with the rolling surface, as described herein.
  • the foot rest 1100 may have a braking structure, including a surface of rubber, plastic, or other suitable material, positioned at least partially adjacent to the bottom surface of the foot rest 1100 for enhancing the braking effect, as described herein, of the wheeled platform apparatus 1000 with the rolling surface.
  • a braking structure including a surface of rubber, plastic, or other suitable material, positioned at least partially adjacent to the bottom surface of the foot rest 1100 for enhancing the braking effect, as described herein, of the wheeled platform apparatus 1000 with the rolling surface.
  • the foot rest 1100 may include a mating structure 1102 for mating the foot rest 1100 with the forefoot portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the mating structure 1102 may be mounted adjacent to the foot rest 1100 or may be mounted within or at least partially within the foot rest 1100.
  • the mating structure 1102 may be a first magnet for magnetically mating with a second magnet, or other magnetic structure, positioned adjacent to or partially within the forefoot portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the mating structure 1102 may be a male attachment projection for mating with a female attachment receptacle positioned adjacent to or partially within the forefoot portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the mating structure 1102 may be a female attachment receptacle for mating with a male attachment projection positioned adjacent to or partially within the forefoot portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position .
  • the wheeled platform apparatus 1000 having a projection 1110 extending or angling from the platform 1010 at least partially within a plane passing through the platform 1010 for resting the forefoot, arch, heel, or other potion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, during use of the wheeled platform apparatus 1000.
  • the projection 1110 provides the user with the option of resting their chosen skate or footwear on the projection 1110 while rolling, resting, or performing tricks with the wheeled platform apparatus 1000.
  • the projection 1110 extends downward from the front portion 1040, center portion 1030, or rear portion 1020 of the platform 1010 at an angle less than 180 degrees from a plane passing through the platform 1010 of the wheeled platform apparatus 1000. In yet other embodiments, the projection 1110 extends upwardly from the front portion 1040, center portion 1030, or rear portion 1020 of the platform 1010.
  • the projection 1110 may be textured to enhance grip with the heeling apparatus 2000 or other footwear.
  • the projection 1110 may have a partial or full coating, or other suitable application, of rubber, plastic, or other suitable material for enhancing the grip with the heeling apparatus 2000 or other footwear.
  • the projection 1110 may include a mating structure 1104 for mating the projection 1110 with the forefoot, arch, or heel portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the mating structure 1104 may be mounted adjacent to the projection 1110 or may be mounted within or at least partially within the projection 1110.
  • the mating structure 1104 may be a first magnet for magnetically mating with a second magnet, or other magnetic structure, positioned adjacent to or partially within the forefoot, arch, or heel portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the mating structure 1104 may be a male attachment projection for mating with a female attachment receptacle positioned adjacent to or partially within the forefoot, arch, or heel portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • the mating structure 1104 may be a female attachment receptacle for mating with a male attachment projection positioned adjacent to or partially within the forefoot, arch, or heel portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, while in resting or rolling position.
  • a second projection 1120 may also be used in a similar fashion as the first projection 1110, and may or may not be angled from the platform 1010. In some embodiments, the second
  • first projection 1110 and the second projection 1120 may be positioned at any desired location of the wheeled platform apparatus 1000.
  • FIGURE 38 illustrates one embodiment of the wheeled platform apparatus 1000 having a mid-chassis 1520 removably affixed to platform 1010.
  • the mid-chassis 1520 may interchangeably be referred to as the top portion of the platform 1010.
  • Mid-chassis 1520 may be removably affixed to the platform 1010 at least partially by screw, bolt, snap fit, tongue- and-groove, or other suitable fastening mechanism.
  • the mid-chassis 1520 allows for interfacing with platform 1010 to, for example, increase the structural integrity of the apparatus 1000 and lower the costs of
  • attachment structure 1514 which may be interchangeably referred to herein as attachment
  • a deckplate 1510 which in some embodiments may be deckplate 1012, directly to mid-chassis 1520, directly to platform 1010, or to any combination of deckplate 1510, mid-chassis 1520, or platform 1010.
  • the attachment structure 1514 is formed to accommodate fasteners 1512, axle structure 1516, and tensioner 1518.
  • the top surface of the deckplate 1510 may include a recess 1519 for interfacing with a projection 1524 of attachment
  • embodiments may be at an angle offset from the rolling direction or the longitudinal centerline of the platform 1010 of the wheeled platform apparatus 1000.
  • positioning of the heeling apparatus 2000 primarily along the longitudinal centerline of the platform 1010 may occur at an angle less than plus or minus 15 degrees from the rolling direction or the longitudinal centerline of the wheeled platform apparatus 1000.
  • centerline of the platform 1010 may occur at an angle less than plus or minus 45 degrees from the rolling direction or the longitudinal centerline of the wheeled platform apparatus 1000. Other angles are possible and are a matter of the user's preference.
  • the projection 1524 of the attachment structure 1514 may interface with the mid-chassis 1520 and/or the platform 1010.
  • the axle structure 1516 is at least
  • tensioner 1518 such as a set-screw, mounting pin, or other suitable structure, and mates with a recessed heel opening, wheel mounting structure, and/or axle recess within the heel of a heeling apparatus 2000.
  • Said heel opening, wheel mounting structure, and/or axle recess may be implemented as that generally described above and/or illustrated in FIGURES 2A, 2B, 3A, 3B, 5, 6, 9, and 10.
  • the attachment structure 1514 is preferably positioned in the rear portion of the top surface of the deckplate 1510 along the longitudinal centerline of the deckplate 1510. However, in other embodiments, the attachment structure 1514 may be positioned anywhere upon the deckplate 1514 that allows for mating with the heeling apparatus 2000. In some embodiments, the axle structure 1516 may be replaced by another axle structure 1516 of a different length, thereby allowing the axle structure 1516 to interface with variable sized heel openings, wheel mounting structures, and/or axle recesses which, as described above, cooperate with variable sized wheel and axle assemblies, of various embodiments of the heeling apparatus 2000, including heeling apparatuses of different sizes.
  • FIGURES 38, 39A, 39B, 39C, 49, and 50 further illustrate one embodiment of the attachment structure 1514.
  • the perspective view of the attachment structure 1514 as shown in FIGURE 39A illustrates a first fastener opening 1521 to allow insertion of a fastener 1512 for removably attaching said attachment structure 1514 to the deckplate 1510.
  • a sleeve-like opening 1522 for accommodating axle structure 1516
  • a tensioner opening 1523 located on the top surface of the attachment structure 1514 to allow insertion of a tensioner 1518 for at least partially securing said axle structure 1516 within the sleeve-like opening 1522.
  • the tensioner opening 1523 may optionally include an insert operable to relieve stress caused by the tensioner 1518, and may be comprised of metal, wood, plastic,
  • the attachment structure 1514 may further include a projection 1524 as illustrated in FIGURE 39B.
  • the projection 1524 may be comprised of metal, ceramic, plastic, polyurethane, composite, wood, or any other durable material for interfacing with a recess 1519 in the top surface of the deckplate 1510 to facilitate rotation of the attachment structure 1514 relative to the longitudinal centerline of the deckplate 1510.
  • FIGURES 39C and 44 illustrate one embodiment of the attachment structure 1514 illustrating the first fastener opening 1521, a second fastener opening 1525, the sleeve-like opening 1522, and the projection 1524.
  • the second fastener opening 1525 is similar to the first fastener opening 1521 and allows insertion of a fastener 1512 for removably attaching said attachment structure 1514 to the deckplate 1510.
  • Both first fastener opening 1521 and second fastener opening 1525 may be non-circular (e.g., may be rectangular, oval, etc.) to allow for displacement of the attachment structure 1514, such as rotational displacement, relative to the fastener 1512 and deckplate 1510.
  • Such displacement allows for flexibility in positioning the user' s heeling apparatus 2000 primarily along the longitudinal centerline of the platform 1010, which in some embodiments may be at an angle offset from the rolling direction or the
  • positioning of the heeling apparatus 2000 primarily along the longitudinal centerline of the platform 1010 may occur at an angle less than plus or minus 15 degrees from the rolling direction or the longitudinal centerline of the wheeled platform apparatus 1000. In other embodiments, for example, positioning of the heeling apparatus 2000 primarily along the
  • FIGURES 40A, 40B, 40C, 41C, and 41E illustrate another embodiment of the present invention, in which the mid-chassis 1520 includes a recess 1526 for storing objects.
  • the platform 1010 may include a recess 1526.
  • FIGURE 40A illustrates the mid- chassis 1520 with a recess 1526 storing axle structures 1516 as an exemplary utilization of the recess 1526.
  • the recess may be concealed beneath, for example, a deckplate 1510 as illustrated in FIGURE 40B.
  • the recess may also be concealed beneath, for example, a strap, lid, and/or other securing means, and may be used to store items such as additional axle structures, fasteners, tensioners, keys, or other personal objects.
  • a strap 1535 is removably coupled to the mid-chassis 1520 for removably coupling a non-wheeled or wheeled footwear, including a heeling apparatus 2000, quad skate 2004, inline skate 2006, external wheel assembly 2008, or other wheeled skate, or a user's bare foot to the wheeled platform apparatus 1000.
  • the strap 1535 may be comprised of nylon, polyurethane, rubber, or any other durable material, and may be clasped, tied, hook-and-looped or otherwise fastened around or to the non-wheeled or wheeled footwear. As illustrated in FIGURES 41A and 41B, the strap 1535 may be coupled between the mid-chassis 1520 and deckplate 1510.
  • the strap 1535 may be coupled directly to the platform 1010.
  • FIGURE 41C and 41E illustrate the recess 1526 of mid-chassis 1520, wherein the strap 1535 conceals the recess 1526, thereby at least partially securing any personal objects stored within said recess 1526.
  • FIGURE 41D illustrates the strap 1535 located on the top surface of the mid-chassis 1520, and in some embodiments, concealing the recess 1526, removably coupled thereto by the deckplate 1510.
  • FIGURES 28, 29A, 29B, 29C, 29D, 29E, 30A, 30B, 30C, and 30D illustrate a method for use of the wheeled platform apparatus 1000 on a surface by a user, wherein the user positions a first foot 1200 on the wheeled platform apparatus 1000 and moves on the surface in a first direction (i.e., rolling direction of the wheeled platform apparatus 1000) by placing at least a portion of a heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, worn on a second foot 1210, in contact with the surface and kicking or pushing the portion of the heeling apparatus 2000 or other skate or rolling apparatus from the surface to provide force in the first direction, as illustrated in FIGURES 30A, 30B, 30C, and 30D.
  • a first direction i.e., rolling direction of the wheeled platform apparatus 1000
  • forward force in the first direction may also be provided by using the heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, worn on a second foot 1210, in a "roller skating" manner (i.e., pushing the second foot 1210 outward and in a direction opposite of the intended rolling direction) .
  • the forward force causes the wheeled platform apparatus 1000 to roll on the surface in generally the first direction.
  • FIGURES 30A and 30D another method for use of the wheeled platform apparatus 1000 on a surface by a user is illustrated, wherein a heeling apparatus 2000, external wheel assembly 2008, or similar rolling apparatus, having one or more wheels mounted or strapped adjacent to, partially within, or under the heel of the skate or rolling apparatus, may generate forward force in the first direction (i.e., rolling direction of the wheeled platform apparatus 1000) by placing the forefoot portion of the heeling apparatus 2000, external wheel assembly 2008, or similar rolling apparatus in contact with the surface and kicking or pushing forward from the surface.
  • a heeling apparatus 2000, external wheel assembly 2008, or similar rolling apparatus having one or more wheels mounted or strapped adjacent to, partially within, or under the heel of the skate or rolling apparatus, may generate forward force in the first direction (i.e., rolling direction of the wheeled platform apparatus 1000) by placing the forefoot portion of the heeling apparatus 2000, external wheel assembly 2008, or similar rolling apparatus in contact with the surface and kicking or pushing forward from the surface.
  • the user may transition from moving on the surface to rolling on the surface by elevating the forefoot portion of the sole of the heeling apparatus 2000 or external wheel apparatus 2008 worn on the second foot 1210 above and out of contact with the surface used for rolling.
  • the forward force in the first direction may be derived by placing a toe or heel brake or a non-rolling surface of the skate in contact with the surface and pushing off with the second foot 1210.
  • the user may transition from rolling on the surface to stopping on the surface by (1) placing at least a portion of the forefoot of the heeling apparatus 2000 or external wheel apparatus 2008 in contact with the surface, (2) elevating the forefoot portion of the heeling apparatus 2000, external wheel apparatus 2008, or other wheeled footwear having a heel brake to cause the heel brake, such as the rear brake 2002 of the heeling apparatus 2000 or external wheel apparatus 2008, to interface with the surface causing a friction braking effect, (3) elevating the front portion of the wheeled platform apparatus 1000 thereby causing the foot rest 1100 to interface with the surface causing a friction braking effect, (4) elevating the heel portion of the quad skate 2004, inline skate 2006, or other wheeled footwear having a forefoot braking surface or structure, such as a toe-stop on a quad skate 2004 or inline skate 2006, to cause the fore
  • the transition from rolling on the surface to stopping on the surface may occur with the second foot 1210 positioned in front of the wheeled platform apparatus 1000.
  • the transition from rolling on the surface to stopping on the surface may occur with the second foot 1210
  • the transition from rolling on the surface to stopping on the surface by dragging at least a portion of a non-rolling component of the footwear may occur by dragging at least a portion of the sole of the footwear, such as the inside edge of the sole, along the surface.
  • rolling on the surface may include placing the heeling apparatus 2000 or other skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, which is worn on the second foot 1210, at least partially in front of the wheeled platform
  • the heeling apparatus 2000 or other skate or rolling apparatus is positioned in a manner operable to roll on the surface, which in some embodiments includes elevating the forefoot of the heeling apparatus 2000 or other skate or rolling apparatus in a manner operable to roll using the wheel in, under, or adjacent to the heel.
  • FIGURES 29A, 29B, 29C, 29D, and 29E another method for use of the wheeled platform apparatus 1000 on a surface by a user is illustrated, wherein at least a portion of the forefoot of a heeling apparatus 2000 or other skate or rolling apparatus, having one or more wheels mounted or strapped adjacent to, partially within, or under the heel of the skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, worn on a second foot 1210, may be elevated relative to the surface, where the forefoot of the heeling apparatus 2000 or other skate or rolling apparatus is positioned upon or adjacent to the foot rest 1100 of the wheeled platform apparatus 1000 while the one or more wheels mounted or strapped adjacent to, partially within, or under the heel of the heeling apparatus 2000 or other skate or rolling apparatus rolls on the surface.
  • FIGURES 24, 25, and 31, other embodiments include a method for use of the wheeled platform apparatus 1000 on a surface by a user, wherein a portion, such as the forefoot or arch, of the a heeling apparatus 2000 or other skate or rolling apparatus, having one or more wheels mounted or strapped adjacent to, partially within, or under the skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, worn on a second foot 1210, may be elevated relative to the surface, where the elevated portion of the heeling apparatus 2000 or other skate or rolling apparatus is positioned upon or adjacent to the projection 1110 or 1120 of the wheeled platform apparatus 1000 while the one or more wheels mounted or strapped adjacent to, partially within, or under the heeling apparatus 2000 or other skate or rolling apparatus rolls on the surface.
  • a portion such as the forefoot or arch, of the a heeling apparatus 2000 or other skate or rolling apparatus, having one or more wheels mounted or strapped adjacent to, partially within, or under the skate or rolling apparatus, including a quad skate 2004, an inline
  • a non-wheeled or wheeled footwear including a heeling apparatus 2000, quad skate 2004, inline skate 2006, external wheel assembly 2008, or other wheeled skate, is worn on the first foot 1200 and may removably interface with at least a portion of the wheeled platform apparatus 1000, via attachment
  • a removable wheel is inserted into the opening in the heel portion of the sole of a heeling apparatus 2000 prior to rolling on the surface .
  • At least a portion of at least one wheel of a heeling apparatus 2000 or other skate or rolling apparatus having one or more wheels mounted or strapped adjacent to, partially within, or under the skate or rolling apparatus, including a quad skate 2004, an inline skate 2006, or external wheel assembly 2008, worn on the second foot 1210, extends at least partially below the bottom of the sole of the heeling apparatus 2000 or other skate or rolling
  • the apparatus to contact the rolling surface, wherein the at least one wheel is operable to roll while supporting at least a portion of the weight of the user, as described above .

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EP10816096A EP2475573A1 (en) 2009-09-09 2010-09-09 Wheeled platform apparatus and method for use with wheeled footwear

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US27621409P 2009-09-09 2009-09-09
US61/276,214 2009-09-09
US27948909P 2009-10-21 2009-10-21
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