EP1814640B1 - Universal ice-skate and roller-skate - Google Patents

Universal ice-skate and roller-skate Download PDF

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Publication number
EP1814640B1
EP1814640B1 EP04769090A EP04769090A EP1814640B1 EP 1814640 B1 EP1814640 B1 EP 1814640B1 EP 04769090 A EP04769090 A EP 04769090A EP 04769090 A EP04769090 A EP 04769090A EP 1814640 B1 EP1814640 B1 EP 1814640B1
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EP
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Prior art keywords
rollers
discs
skate
frame
carrying block
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Active
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EP04769090A
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German (de)
French (fr)
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EP1814640A1 (en
Inventor
Karoly Csepi
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Individual
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Individual
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Publication of EP1814640A1 publication Critical patent/EP1814640A1/en
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    • 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
    • A63C17/02—Roller skates; Skate-boards with wheels arranged in two pairs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C1/00—Skates
    • A63C1/30—Skates with special blades
    • A63C1/306—Ice wheels
    • 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
    • A63C17/0066—Roller skates; Skate-boards with inclined wheel, i.e. not perpendicular to the surface it rolls on
    • 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

Definitions

  • the object of the invention is universal ice-skate and roller-skate, which is suitable for use both on ice and other flat surface for sport and entertainment activities.
  • roller skate is getting more and more widespread.
  • Price of good quality roller skates is quite high and their special drawback is, that they cannot be used on.ice as well.
  • the same refers to ice-skate; they cannot be used outside ice either, so a pair of ice-skates can be used in a limited season of the year, in winter only.
  • roller skates In the state of the art there are several solutions for producing skates, roller skates, Hungarian patent No. P 91 00207 published under No. 61210 dated 28 December 1992 makes known roller skates operating with tread-driven wheels.
  • the sports device made known in it is fixed on the feet, and similarly to the conventional roller skates ensures quite fast, comfortable drive rolling on wheels on a road with solid surface.
  • the essence of it is, that it includes a driven wheel as well, the driving energy of which is ensured by the work of feet treading down the device, placed vertically to its running surface with a foot-holding element, a bottom, which shifts against the power when sinking, and the work is passed to the driven wheel through energy-transferring elements.
  • a roller-skate-like sports device with special toothed drive is made known in Hungarian patent No. P 96 02496 published on 28 January 1998 .
  • the sports device here should be fixed to the legs and it can he used as a roller-skate with side movements, but in accelerated state it can be converted into driven-wheel run while in use. Then after having undone the cut-off by hand or feet guidance, it is possible to move on with the movement of going on steps in a more comfortable way.
  • the lower part remains down, the wheels in line run continuously on the ground, whereas the feet go up and down and the special driving structure of the device drives one wheel each through the free-running part.
  • the shoes and the lower part are arranged into a mutual articulated mechanism with four joints through articulated levers.
  • the other part of the invention is the new specially toothed chain drive, which makes possible the transport of energy with an alternating movement under the conditions of limited space to the continuously running wheel.
  • the patent description CH 579 406 makes known a universal skate structure, which has a frame joining the shoe sole and has a running gear with rollers fixed to the frame, wherein it has rollers or discs joining each other on the ground placed in an angle and connected to the frame.
  • the patent description US 6 003 882 makes known a skate comprising a foot enclosure with a ball region and a heel region includes a first hanger set coupled to the foot enclosure adjacent the ball region, and a second hanger set coupled to the foot enclosure adjacent the heel region.
  • the skate further includes a plurality of wheels corresponding in number to the hangers of the first and second hanger sets wherein the wheels are rotatably and angularly coupled to the corresponding hangers.
  • the skate may be customizable in that the hangers may be selectively and removably coupled to the foot enclosure. A method for customizing a wheel arrangement on a skate is also disclosed.
  • the patent description US 4 323 259 makes known a pair of identical brackets, each have a slot to receive the front, or rear, of the blade of an ice skate, each is detachably affixed thereon by set screws, and each has an upstanding arm which supports a downwardly inclined axle for a large diameter, rubber tired wheel.
  • the front wheel is canted outwardly on the outward side of the shoe with the flattened ground engaging portions of the rubber treads overlapping about a quarter of an inch along the longitudinal center line of the shoe.
  • the brackets may be one piece and detachably affixed under the sole of a shoe.
  • the patent description US 3 885 804 makes known a roller skate having a sole plate, a boot and two large canted equal sized wheels mounted on axles extending outwardly from the sole plate.
  • the canted wheels contact the ground directly beneath the center line of the sole plate.
  • the wheels are dished with their concave sides facing toward the sole plate and a portion of the sole plate extends into the wheel concavities to permit the sole plate to be positioned very close to the ground.
  • roller-skate in the state of the art is, that they are not suitable for using them both on ice and asphalt.
  • the rollers or discs are of symmetrical position and the slanting angle of their axle is the same compared with vertical position.
  • the rollers are wheels with plastic or rubber covering.
  • in the side plate of the discs around the axle a concentric driving flange protruding from the side plate of the disc is formed.
  • Fig 1 shows the front view of the roller skate according to the invention fixed with rollers in wedge shape.
  • Fig 2 shows bottom view of the roller skate according to the invention fixed with rollers in wedge shape.
  • Fig 3 shows axonometric view of the roller skate according to the invention fixed with rollers in wedge shape.
  • Fig 4 shows axonometric view of the ice-skate according to the invention fixed with discs in wedge shape.
  • Fig 5 shows bottom view of the ice-skate according to the invention fixed with discs in wedge shape.
  • Fig 1 shows the front view of the roller skate according to the invention fixed with rollers 7 in wedge shape.
  • the front carrying block 4 and the back carrying block 5 are fixed to the shoe 1 through the frame 2 and the rollers 7 are fixed to the front carrying block 4 and the back carrying block 5 on the axles 26 through the withdrawal bearings 6.
  • the rollers 7 are placed on the axles 26 slanted to each other so, that they touch each other on their lower part touching the ground.
  • the angle of the axles 26 is 60-120°, preferably 85-90°.
  • the bumper 11 is placed in front of the rollers 7 as a sequence of the front carrying block 4 shaped as the sequence of the backbone 3.
  • Fig 2 shows bottom view of the roller skate according to the invention fixed with rollers 7 in wedge shape.
  • the front carrying block 4 fixed to the shoe 1 through the frame 2, as well as the back carrying block 5, which are joined by the backbone 3, ensuring sufficient rigidity.
  • the rollers 7 touching each other at one point of their perimeters in pairs placed along axle 26 can be seen.
  • Fig 3 shows axonometric view of the roller skate according to the invention fixed with rollers in wedge shape.
  • the front and back rollers 7 two each assembly can be seen in the picture, furthermore the backbone 3 and the withdrawal bearing 6 joining it.
  • the backbone 3 and the frame 2 are connected to the bottom of the shoe in the well-known way and formed as one unit.
  • Fig 4 shows axonometric view of the ice-skate according to the invention fixed with discs 8 in wedge shape.
  • This case the discs 8 join the front carrying block 4 as well as the back carrying block 5 through the frame 2, as well as the backbone 3 to the shoe 1.
  • the shape of the discs 8 is preferably formed in a way, that quick slide on ice is made possible by the running edge 9 formed on their outer edge.
  • the driving flange 10 formed on the disc 8 promotes the special drive and acceleration of the skate.
  • Fig 5 shows bottom view of the ice-skate according to the invention fixed with discs in wedge shape.
  • the front carrying block 4 fixed to the shoe 1 through the frame 2, and the backbone 3 as well as the back carrying block 5, with the discs 8 and the bumper 11 can be seen.
  • roller-skate set according to the invention has preferable forms.
  • One of them is the form in wedge shape with rollers 7 or discs 8.
  • rollers 7 or discs 8 slanted to one another on the front and back. Due to resting the rollers 7 or discs 8 is provided with withdrawal bearings 6.
  • the rollers 7 or discs 8 touch each other and rest each other in wedge shape and their outer edge touch the ground or ice.
  • the roller-skate according to the invention has two main versions - with plastic rollers 7 and metal discs 8.
  • the rollers 7 or discs 8 placed in wedge shape are totally fixed, in given angle, they are symmetrically placed to one another and their slanting angle is the same to vertical position, preferably 85-90°
  • the rollers 7 or discs 8 are fixed to the frame 2 placed under the shoe provided with a stiffener, which is fastened to the sole of the shoe 1, providing the backbone 3 of the sole.
  • One of the preferable embodiment of the prototype of the roller-skate according to the invention is made of metal and its every element is provided with screws.
  • the approved pieces are produced in mass production from plastic by injection molding.
  • the whole frame 2, backbone 3, as well as the front carrying block 4 and back carrying block 5 can be injection molded in one piece and the rollers 7 or discs 8 can be added, because apart from rollers 7 or discs 8 nothing is supposed to move.
  • the base construction can be used both in winter and summer, on ice, on asphalt with the exchange of the wheels.
  • a bumper is placed on the front of the frame 2 to protect the front rollers 8.
  • a driving flange 10 of concentric circle shape, protruding from the plane of the disc 8 and which is suitable for driving the roller-skate.
  • the discs 8 placed in wedge shape touch one another on the bottom and under the weight of the user tighten to a greater extent.
  • roller-skate The advantage of the roller-skate according to the invention is, that it spares the feet, does not burden them, the user does not get tired, because it is not necessary to keep the ankle tight. At the same time it is possible to do the same things as with the conventional roller-skate.
  • the sole can be built together with the shoe; the wheels are of ordinary plastic or rubber wheels. Driving takes place in the conventional way, with sideway pushing movements.
  • the roller arrangement is also suitable for a skateboard, where the front part is the directing part; the back part is the running one.
  • An additional advantage of the solution according to the invention is, that it is easy to produce, and it can be used both on ice and asphalt with the easy exchange of the rollers.

Abstract

The object of the invention is universal ice-skate and roller-skate, which is suitable for use both on ice and other flat surface for sport and entertainment activities. The invention relates for a universal skate structure, which has a frame joined directly or indirectly the shoe sole and has a running gear with rollers fixed to the frame, which is characterized by that, it has rollers ( 7 ) or discs ( 8 ) joining each other on the ground placed in 60-120° (alpha) angles-preferably 85-90°-connected to the frame ( 2 ) preferably by a withdrawal bearing ( 6 ). The invention relates for further a universal skate structure which has a frame joining directly or indirectly the shoe sole and a running gear with rollers fixed to the frame, which is characterized by that, the running gear with rollers has a front roller ( 17 ) and an aide roller ( 18 ) placed closely after one another on a bridge ( 13 ) in the front part of the skate, furthermore there are back rollers ( 19 ) along the same axle ( 25 ) placed parallel with each other.

Description

  • The object of the invention is universal ice-skate and roller-skate, which is suitable for use both on ice and other flat surface for sport and entertainment activities.
  • Nowadays sport and free-time activities have gained more and more field, so one of the most favorable sports, roller skate is getting more and more widespread. Price of good quality roller skates is quite high and their special drawback is, that they cannot be used on.ice as well. The same refers to ice-skate; they cannot be used outside ice either, so a pair of ice-skates can be used in a limited season of the year, in winter only.
  • In the state of the art there are several solutions for producing skates, roller skates, Hungarian patent No. P 91 00207 published under No. 61210 dated 28 December 1992 makes known roller skates operating with tread-driven wheels. The sports device made known in it is fixed on the feet, and similarly to the conventional roller skates ensures quite fast, comfortable drive rolling on wheels on a road with solid surface. The essence of it is, that it includes a driven wheel as well, the driving energy of which is ensured by the work of feet treading down the device, placed vertically to its running surface with a foot-holding element, a bottom, which shifts against the power when sinking, and the work is passed to the driven wheel through energy-transferring elements.
  • A roller-skate-like sports device with special toothed drive is made known in Hungarian patent No. P 96 02496 published on 28 January 1998 . The sports device here should be fixed to the legs and it can he used as a roller-skate with side movements, but in accelerated state it can be converted into driven-wheel run while in use. Then after having undone the cut-off by hand or feet guidance, it is possible to move on with the movement of going on steps in a more comfortable way. This time the lower part remains down, the wheels in line run continuously on the ground, whereas the feet go up and down and the special driving structure of the device drives one wheel each through the free-running part. The shoes and the lower part are arranged into a mutual articulated mechanism with four joints through articulated levers. The other part of the invention is the new specially toothed chain drive, which makes possible the transport of energy with an alternating movement under the conditions of limited space to the continuously running wheel.
  • The patent description CH 579 406 makes known a universal skate structure, which has a frame joining the shoe sole and has a running gear with rollers fixed to the frame, wherein it has rollers or discs joining each other on the ground placed in an angle and connected to the frame.
  • The patent description US 6 003 882 makes known a skate comprising a foot enclosure with a ball region and a heel region includes a first hanger set coupled to the foot enclosure adjacent the ball region, and a second hanger set coupled to the foot enclosure adjacent the heel region. The skate further includes a plurality of wheels corresponding in number to the hangers of the first and second hanger sets wherein the wheels are rotatably and angularly coupled to the corresponding hangers. The skate may be customizable in that the hangers may be selectively and removably coupled to the foot enclosure. A method for customizing a wheel arrangement on a skate is also disclosed.
  • The patent description US 4 323 259 makes known a pair of identical brackets, each have a slot to receive the front, or rear, of the blade of an ice skate, each is detachably affixed thereon by set screws, and each has an upstanding arm which supports a downwardly inclined axle for a large diameter, rubber tired wheel. The front wheel is canted outwardly on the outward side of the shoe with the flattened ground engaging portions of the rubber treads overlapping about a quarter of an inch along the longitudinal center line of the shoe. The brackets may be one piece and detachably affixed under the sole of a shoe.
  • The patent description US 3 885 804 makes known a roller skate having a sole plate, a boot and two large canted equal sized wheels mounted on axles extending outwardly from the sole plate. The canted wheels contact the ground directly beneath the center line of the sole plate. The wheels are dished with their concave sides facing toward the sole plate and a portion of the sole plate extends into the wheel concavities to permit the sole plate to be positioned very close to the ground.
  • The deficiency of the roller-skate in the state of the art is, that they are not suitable for using them both on ice and asphalt.
  • When realizing the solution according to the invention we aimed to produce a roller-skate set, which is suitable due to its construction for use both on ice respectively on other flat surface.
  • When working out the solution according to the invention we realized, that if a running gear with rollers placed in front and back in wedge form is made, and then the set aim can be achieved.
  • The invention is given in claim 1.
  • In one of the preferred embodiment of the solution according to the invention the rollers or discs are of symmetrical position and the slanting angle of their axle is the same compared with vertical position. In another preferred embodiment of the solution according to the invention the rollers are wheels with plastic or rubber covering. In a further preferred embodiment of the solution according to the invention there is a running edge on the outer flange of the discs made of metal. In another referred embodiment of the solution according to the invention, in the side plate of the discs around the axle a concentric driving flange protruding from the side plate of the disc is formed.
  • The solution according to the invention is set forth by the enclosed figures as follows:
  • Fig 1 shows the front view of the roller skate according to the invention fixed with rollers in wedge shape.
  • Fig 2 shows bottom view of the roller skate according to the invention fixed with rollers in wedge shape.
  • Fig 3 shows axonometric view of the roller skate according to the invention fixed with rollers in wedge shape.
  • Fig 4 shows axonometric view of the ice-skate according to the invention fixed with discs in wedge shape.
  • Fig 5 shows bottom view of the ice-skate according to the invention fixed with discs in wedge shape.
  • Fig 1 shows the front view of the roller skate according to the invention fixed with rollers 7 in wedge shape. The front carrying block 4 and the back carrying block 5 are fixed to the shoe 1 through the frame 2 and the rollers 7 are fixed to the front carrying block 4 and the back carrying block 5 on the axles 26 through the withdrawal bearings 6. The rollers 7 are placed on the axles 26 slanted to each other so, that they touch each other on their lower part touching the ground. The angle of the axles 26 is 60-120°, preferably 85-90°. The bumper 11 is placed in front of the rollers 7 as a sequence of the front carrying block 4 shaped as the sequence of the backbone 3.
  • Fig 2 shows bottom view of the roller skate according to the invention fixed with rollers 7 in wedge shape. In the figure the front carrying block 4 fixed to the shoe 1 through the frame 2, as well as the back carrying block 5, which are joined by the backbone 3, ensuring sufficient rigidity. In the figure the rollers 7 touching each other at one point of their perimeters in pairs placed along axle 26 can be seen.
  • Fig 3 shows axonometric view of the roller skate according to the invention fixed with rollers in wedge shape. The front and back rollers 7 two each assembly can be seen in the picture, furthermore the backbone 3 and the withdrawal bearing 6 joining it. The backbone 3 and the frame 2 are connected to the bottom of the shoe in the well-known way and formed as one unit.
  • Fig 4 shows axonometric view of the ice-skate according to the invention fixed with discs 8 in wedge shape. This case the discs 8 join the front carrying block 4 as well as the back carrying block 5 through the frame 2, as well as the backbone 3 to the shoe 1. The shape of the discs 8 is preferably formed in a way, that quick slide on ice is made possible by the running edge 9 formed on their outer edge. The driving flange 10 formed on the disc 8 promotes the special drive and acceleration of the skate.
  • Fig 5 shows bottom view of the ice-skate according to the invention fixed with discs in wedge shape. In the figure the front carrying block 4 fixed to the shoe 1 through the frame 2, and the backbone 3 as well as the back carrying block 5, with the discs 8 and the bumper 11 can be seen.
  • The roller-skate set according to the invention has preferable forms. One of them is the form in wedge shape with rollers 7 or discs 8. This case there is rollers 7 or discs 8 slanted to one another on the front and back. Due to resting the rollers 7 or discs 8 is provided with withdrawal bearings 6. Within the rollers 7 or discs 8 there is a ball bearing, which means, that during the use it can be entirely tilted to its side. The rollers 7 or discs 8 touch each other and rest each other in wedge shape and their outer edge touch the ground or ice.
  • Regarding the definite shape the roller-skate according to the invention has two main versions - with plastic rollers 7 and metal discs 8. The rollers 7 or discs 8 placed in wedge shape are totally fixed, in given angle, they are symmetrically placed to one another and their slanting angle is the same to vertical position, preferably 85-90° The rollers 7 or discs 8 are fixed to the frame 2 placed under the shoe provided with a stiffener, which is fastened to the sole of the shoe 1, providing the backbone 3 of the sole.
  • One of the preferable embodiment of the prototype of the roller-skate according to the invention is made of metal and its every element is provided with screws. In case of another preferable application the approved pieces are produced in mass production from plastic by injection molding. The whole frame 2, backbone 3, as well as the front carrying block 4 and back carrying block 5 can be injection molded in one piece and the rollers 7 or discs 8 can be added, because apart from rollers 7 or discs 8 nothing is supposed to move. The base construction can be used both in winter and summer, on ice, on asphalt with the exchange of the wheels.
  • In case of a preferable application a bumper is placed on the front of the frame 2 to protect the front rollers 8. In case of the application with discs 8 made of metal on the outer side of the discs 8 there is a driving flange 10 of concentric circle shape, protruding from the plane of the disc 8 and which is suitable for driving the roller-skate. The discs 8 placed in wedge shape touch one another on the bottom and under the weight of the user tighten to a greater extent.
  • The advantage of the roller-skate according to the invention is, that it spares the feet, does not burden them, the user does not get tired, because it is not necessary to keep the ankle tight. At the same time it is possible to do the same things as with the conventional roller-skate. The sole can be built together with the shoe; the wheels are of ordinary plastic or rubber wheels. Driving takes place in the conventional way, with sideway pushing movements. The roller arrangement is also suitable for a skateboard, where the front part is the directing part; the back part is the running one. An additional advantage of the solution according to the invention is, that it is easy to produce, and it can be used both on ice and asphalt with the easy exchange of the rollers.

Claims (5)

  1. Universal skate structure, which has a frame (2) joined directly or indirectly the shoe (1) sole and has a running gear with rollers fixed to the frame (2),
    which running gear has rollers (7) or discs (8) joining each other on the ground placed in 60-120° (α) angles - preferably 85-90° - connected to the frame (2),
    the rollers (7) or discs (8) are of symmetrical position and the slanting angle of their axle (26) is the same compared with vertical position,
    the rollers (7) or discs (8) are positioned in such a way that they touch each other at one point of their perimeters in pairs on their lower part touching the ground, wherein
    the skate structure has a front carrying block (4) and a back carrying block (5) fixed to the shoe (1) through the frame (2), which are joined by a backbone (3), and the rollers (7) or the discs (8) are fixed to the front carrying block (4) and the back carrying block (5) on the axles (26), and preferably a bumper (11) is placed in front of the rollers (7) as a sequence of the front carrying block (4) shaped as the sequence of the backbone 3,
    the backbone (3) and the frame (2) are connected to the bottom of the shoe (1) in the well-known way or formed as one unit, characterized by that,
    the frame (2), the backbone (3), as well as the front carrying block (4) and the back carrying block (5) are injection molded in one piece and the rollers (7) or the discs (8) are added to it.
  2. Universal skate structure according to claim 1 characterized by that, the rollers (7) are fixed on the axles (26) through the withdrawal bearings (6).
  3. Universal skate structure according to claim 1 or 2 characterized by that, the rollers (7) are wheels with plastic or rubber covering.
  4. Universal skate structure according to claim 1 or 2 characterized by that, there is a running edge (9) on the outer flange of the discs (8) made of metal.
  5. Universal skate structure according to claim 4 characterized by that, in the side plate of the discs (8) around the axle (26) a concentric driving flange (10) protruding from the side plate of the disc (8) is formed.
EP04769090A 2004-09-30 2004-09-30 Universal ice-skate and roller-skate Active EP1814640B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/HU2004/000091 WO2006035253A1 (en) 2004-09-30 2004-09-30 Universal ice-skate and roller-skate

Publications (2)

Publication Number Publication Date
EP1814640A1 EP1814640A1 (en) 2007-08-08
EP1814640B1 true EP1814640B1 (en) 2010-05-19

Family

ID=34958921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04769090A Active EP1814640B1 (en) 2004-09-30 2004-09-30 Universal ice-skate and roller-skate

Country Status (7)

Country Link
US (1) US20080179843A1 (en)
EP (1) EP1814640B1 (en)
AT (1) ATE468163T1 (en)
AU (1) AU2004323664A1 (en)
CA (1) CA2582759A1 (en)
DE (1) DE602004027316D1 (en)
WO (1) WO2006035253A1 (en)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US346664A (en) * 1886-08-03 Roller-skate
US108184A (en) * 1870-10-11 Improvement in parlor-skates
US1975661A (en) * 1932-03-11 1934-10-02 Edward R Powell Disk wheel for roller skates
US3693988A (en) * 1970-02-10 1972-09-26 Paul F Steinhiser Two wheel roller skate
US3885804A (en) * 1973-06-13 1975-05-27 Wane Rider Inc Roller skate
AT327075B (en) * 1973-10-10 1976-01-12 Brunner Walter ROLLER SKATE
US4212479A (en) * 1978-09-18 1980-07-15 Koichi Yoshimoto Roller skate
US4323259A (en) * 1979-01-25 1982-04-06 Boudreau Robert J Two wheel roller ice skate
US4805934A (en) * 1987-11-12 1989-02-21 Mullenax Kem E Slip-on attachment for skateboards
US4928982A (en) * 1988-03-18 1990-05-29 Logan Kenneth C Convertible running shoes/roller skates
US5411320A (en) * 1994-01-21 1995-05-02 Alderman; Richard L. Wheels that provide lateral friction on ice
US5573309A (en) * 1994-10-21 1996-11-12 All American Aviation & Mfg. Inc. In-line roller skate wheel assembly
IT1279493B1 (en) * 1995-12-22 1997-12-10 Sergio Miotto SKATE WITH SINGLE-BLADE CARRIAGE STRUCTURE, PARTICULARLY OF THE TYPE WITH IN-LINE DYNAMIC WHEELS
US5813678A (en) * 1996-11-08 1998-09-29 Jas. D. Easton, Inc. Inline skate and skate wheels having pneumatic braking element
US6003882A (en) * 1996-11-14 1999-12-21 V-Formation, Inc. Customizable skate with removable wheel hangers
DE29803418U1 (en) * 1998-02-27 1998-04-23 Haag Erich Roller skate and roller element
US6322154B1 (en) * 2000-09-21 2001-11-27 Richard L. Alderman Modified wheels for ice
USD475109S1 (en) * 2001-10-16 2003-05-27 Gregory S. Washburn Annular ice skate blade
US6578930B1 (en) * 2002-06-03 2003-06-17 Richard L. Alderman Ice wheels

Also Published As

Publication number Publication date
EP1814640A1 (en) 2007-08-08
DE602004027316D1 (en) 2010-07-01
WO2006035253A1 (en) 2006-04-06
AU2004323664A1 (en) 2006-04-06
ATE468163T1 (en) 2010-06-15
CA2582759A1 (en) 2006-04-06
US20080179843A1 (en) 2008-07-31

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