WO2003097188A1 - Roller skate - Google Patents
Roller skate Download PDFInfo
- Publication number
- WO2003097188A1 WO2003097188A1 PCT/JP2003/005815 JP0305815W WO03097188A1 WO 2003097188 A1 WO2003097188 A1 WO 2003097188A1 JP 0305815 W JP0305815 W JP 0305815W WO 03097188 A1 WO03097188 A1 WO 03097188A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axle
- roller
- screw
- wheel
- skate
- Prior art date
Links
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
- A63C17/0066—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
- A63C17/06—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type
- A63C17/067—Roller skates; Skate-boards with wheels arranged otherwise than in two pairs single-track type with adjustable position of the foot plate or shoe relative to the chassis
-
- 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
- A63C17/22—Wheels for roller skates
- A63C17/226—Wheel mounting, i.e. arrangement connecting wheel and axle mount
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
- A63C2203/42—Details of chassis of ice or roller skates, of decks of skateboards
Definitions
- the present invention relates to mouth-to-mouth skating. Background art
- roller skates have a structure in which a plurality of rollers are arranged in a plane on a shoe sole and fixed to the sole of a running shoe.
- an inline schedule in which a plurality of rollers are arranged in a line in the front-back direction of a shoe sole has become mainstream.
- An object of the present invention is to provide a roller skate which has a completely different structure from a roller skate which has existed conventionally, and has a larger wheel than the conventional roller skate.
- a roller skate in order to achieve the above object, includes a pair of shoes having a use body portion and a shoe sole portion, and a mouth portion provided on each shoe.
- the roller portion includes an axle portion that extends obliquely below the inside of the shoe body portion, and front and rear wheels rotatably provided on the axle portion.
- the diameter of the wheel is between the shoe sole portion and the ground.
- the wheel is provided obliquely from inside the shoe body to below the shoe sole so that the ground contact point of the wheel is larger than the distance and the ground point of the wheel is substantially at the center of the shoe sole.
- wheels having a larger diameter can be employed as compared with the conventional mouth-to-mouth skate, roller-skate can be enjoyed at a high speed.
- the wheels are installed diagonally, you can experience a softer sliding feeling than conventional roller skates.
- the wheel has a bowl-shaped or mortar-shaped shape in which the case body portion side is formed in a concave shape and the opposite side is formed in a convex shape. It is characterized by having a shape.
- the wheel can be attached so as to cover the portion protruding inside the shoe body, so that the ground contact portion of the wheel is positioned near the center of the shoe sole without tilting the wheel too much. It becomes possible.
- the roller unit in the first aspect or the second aspect, includes a frame fixed from the shoe body to the shoe sole, and an axle provided on the frame.
- a fixed portion wherein the axle portion is formed so as to protrude from the fixed portion with the axle, the axle portion has a screw hole formed with an internal thread on an inner peripheral surface, and a male screw is formed on an outer peripheral surface.
- a hub bracket is provided around the axle, and a plurality of poles roll between a bearing surface formed on the fixed portion with axle and a bearing surface formed on the hub bracket.
- a pole holding bracket is provided so as to overlap with the hub bracket and is screwed to a male screw on an outer peripheral surface of the axle section, on a side opposite to a bearing surface of the hub bracket.
- Other formed A plurality of pawls are rotatably arranged between a bearing surface and a bearing surface formed on the pole holding bracket, and a metal fixing screw is screwed into a female screw of the screw hole of the axle part, The ball holding bracket is prevented from being detached, and the wheel is fixed to the bracket.
- the hub fitting can rotate by the pole bearing action, and accordingly, the wheels can rotate.
- the fitting fixing screw is provided. Is characterized in that a metal fitting contact portion is formed, and the metal fitting contact portion is in contact with an end face of the ball holding metal to prevent the ball holding metal from being detached. According to the fourth aspect, during the process of screwing the metal fitting fixing screw into the screw hole of the axle, the metal fitting contact portion abuts on the end face of the pole holding metal to prevent the ball holding metal from being detached. You.
- a plurality of slits are formed on an outer end side of the screw hole of the axle portion to form an expandable end
- the screw-in hole is provided with a screw portion and an enlarged-diameter portion formed on the opposite end side of the screw portion and gradually becoming thicker toward the end portion. It is assumed that
- the extended end gradually expands outward, and the male screw formed on the outer surface of the axle portion is formed on the inner surface of the ball holding bracket. It becomes strongly locked to the formed female screw, so that the screwed state between the axle and the ball holding metal can be kept constant.
- the axle-mounted fixing portion is separately attached to the frame corresponding to front and rear wheels.
- One or both of the front and rear axle-mounted fixing portions are slidable in the front-rear direction so that the distance between the front and rear axle-mounted fixing portions can be changed.
- the distance between the front and rear wheels can be changed by moving one or both of the front and rear fixed portions with axles in the front and rear direction. Therefore, it is possible to appropriately change the distance between the wheels according to the size of the case and the sliding comfort of the user.
- the axle-attached fixing portions are separately attached to the frame corresponding to front and rear wheels, respectively.
- One or both of the front and rear fixed parts with axles can be angled to the frame so that the direction of the wheels with respect to the running direction of one skate can be finely adjusted. It is characterized by being attached to.
- the angle of the wheel with respect to the traveling direction of the roller skate can be finely adjusted by slightly changing the angle of the fixed portion with the axle. This makes it possible to fine-tune the straight-line uncertainty due to the oblique wheels provided from the inside of the shoe body to the bottom of the shoe sole, and to adjust to the sliding comfort of the user. Of the wheels can be adjusted.
- the direction in which the bracket is rotated when the roller skate advances forward is the threaded engagement of the ball holding bracket. It is characterized by the direction of release. According to the eighth aspect, it is possible to prevent the pawl holding member from being screwed in while the roller skating is in progress and the pole is pressed more than necessary and locked. According to a ninth aspect of the present invention, in any one of the first to eighth aspects, the direction in which the bracket is rotated when the roller skate advances forward is determined by a screw in which the bracket fixing screw is screwed. It is characterized in that it is screwed deeper into the hole.
- the inclination of the wheel is from 10 ° to 35 °. is there. If the inclination of the wheels is between 10 ° and 23 °, the center of gravity will be higher because the wheels are tilted so as to be relatively vertical, but it will be easier to increase the speed, so it will be easier for the roller-skate for competition. This is the optimal angle. If the inclination of the wheel is between 23 ° and 35 °, the wheel is tilted so that it is relatively horizontal, so it has good stability and is the optimal angle for the general mouth-to-mouth scale. .
- a tire is detachably or non-removably fixedly mounted on an outer peripheral portion of the wheel. It is characterized by having been done.
- the contact friction with a running road surface such as the ground increases, the drip property increases, and the impact due to small unevenness or the like increases. Absorbs water and can slide smoothly.
- tires that are configured to be detachable by using attachment / detachment brackets or the like can be replaced with tires adapted to the road surface condition according to the condition of the traveling road surface, and thus optimal running can be ensured.
- a reinforcing portion made of a relatively strong material is provided inside the shoe body. Are formed. According to the twelfth aspect, it is possible to prevent deformation of the shoe body and prevent the shoe body from rubbing due to the wheel contacting the shoe body when the roller rotates.
- FIG. 1 is an exploded perspective view showing a roller portion of the roller skate (only for right foot) of the present invention.
- FIG. 2 is a side view of the mouth skating skate (for right foot only) of the present invention.
- FIG. 3 is a plan view of the roller skate (for right foot only) of the present invention.
- FIG. 4 is a rear view of the roller skate of the present invention.
- FIG. 5 is a cross-sectional view showing a roller portion of the roller skate of the present invention.
- FIG. 6 is a rear view showing an embodiment according to the present invention, in which a mounting bracket with an axle can be slidably attached to the front and rear of a frame.
- FIG. 7 is a rear view of the frame according to the present invention.
- FI G. 8 relates to the present invention. It is a rear view showing a form.
- FIG. 9 is a cross-sectional view showing another embodiment of the present invention for fixing the pole holding bracket to the axle.
- FIG. 1 is an exploded perspective view showing a roller portion of the mouth skating skating 1 according to the present invention.
- FIG. 2 and FIG. 3 are side views and a top view of the roller skating of the present invention, respectively.
- FIG. Note that the roller skate 1 of the present invention is composed of left and right feet for symmetry with each other, but FIG.:! To FIG.3 shows only the right foot for simplicity.
- the roller skate 1 includes a shoe 3 and a roller section 5.
- the shoe 3 includes a shoe body 7 and a sole 9. These components are basically the same as those of the athletic shoe, and will not be described in detail here.
- Inside the shoe body 7 (on the left side for the right foot, on the right side for the left foot) is formed a reinforcing portion 11 made of a relatively rigid material.
- the rotation of the roller 5 prevents the wheels described later from contacting the shoe body 7 and the shoe body 7 from being rubbed.
- the roller portion 5 is a metal (specifically, aluminum) frame whose cross section is bent to match the shape from the shoe body 7 to the shoe sole 9.
- a circular plate-shaped fixing bracket 15 with an axle is fixed, and a cylindrical axle section 17 stands up from the center of the fixing bracket 15 with an axle.
- a screw hole 19 in which a female screw is formed is formed inside the axle portion 17.
- a ring-shaped groove 21 is formed on the outer peripheral edge of the axle-mounted fixing bracket 15, and a concave bearing surface 23 is formed in the groove 21.
- a hub fitting 25 is provided outside the axle 17. As shown in FI G. 5 A concavely curved bearing surface 27 is formed inside the hub bracket 25 and facing the groove 21 of the axle-mounted fixing bracket 15, and a concavely curved bearing is formed on the opposite side. Surface 28 is formed. A plurality of poles 29 are interposed between the bearing surface 23 of the axle mounting bracket 15 and the bearing surface 27 of the hub bracket 25, and the poles 29 are the bearing surfaces 2 of the hub bracket 25. By virtue of the presence of the restricting projection 31 formed in a ring shape on the outside of 7, it is held rotatably between the two bearing surfaces 23, 27.
- the axle portion 17 is provided with a ball holding member 33 so as to overlap with the hub member 25.
- a sleeve 35 that penetrates the inside of the hub fitting 25 in a non-contact state is formed inside the ball holding fitting 33, and a female screw formed on the inner surface of the sleeve 35 is attached to the axle 17. Screwed into a male screw formed on the outer surface of the.
- a concavely curved bearing surface 37 is formed in the pole holding bracket 33 at a position facing the bearing surface 28 of the hub bracket 25, and the bearing surface 37 and the bearing surface 28 of the hub bracket 25 are formed. Between them, a plurality of poles 39 are held in a rollable state.
- the screwing direction of the female screw of the sleeve 35 to the male screw of the axle 17 will be described.
- the screwing direction of the female screw of the sleeve 35 is such that the rotation direction of the hub bracket 25 when the roller skate 1 advances forward is the rotation direction of the screwing of the female screw of the sleeve 35, that is, The direction in which the ball holding bracket 33 moves away from the hub bracket 25 is set.
- a metal fixing screw 41 is provided outside the pole holding metal 33.
- the bracket fixing screw 41 has a substantially T-shaped cross section as shown in FIG. 5, and a screwing convex portion 43 having a male screw formed around the center is formed in the center.
- the peripheral edge of the bracket fixing screw 41 extends in the same direction as the threaded projection 43, and the end face of the ball holding bracket 33 is formed.
- a metal fitting abutment 45 is formed to prevent the ball holding metal 33 from coming off by abutting the metal 46.
- the male screw of the screwing projection 43 is screwed into the female screw of the screw hole 19 until the metal fitting contact part 45 comes into contact with the end face 46 of the ball holding metal 33, thereby holding the pole. The state where the bracket 33 and the hub bracket 25 are attached to the axle 17 is maintained.
- the screwing direction of the male screw of the screwing projection 4 3 with the female screw of the screw-in hole 1 9 is determined by the direction in which the bracket 25 rotates when the roller gate 1 moves forward. Is the same as the direction of deep screwing. With such a screwing direction, the bracket fixing screw 41 is screwed so as to be further tightened while the roller skate 1 is in progress. It is possible to reliably avoid the possibility that the pole 41 comes off and the pole holding bracket 33 comes off.
- a flange 47 is formed on the peripheral surface of the hub fitting 25, and a plurality of screw holes 49 formed with female threads are formed in the flange 47.
- the wheel 51 is provided so that the axle 17 is the center of rotation so that a part of the wheel 51 overlaps the flange 47.
- a through hole 53 is formed at a position corresponding to the screw hole 49 of the flange portion 47, and the screw hole 4 of the flange portion 47 is formed through the through hole 53.
- the wheel 51 has a bowl-like shape in which the side facing the shoe body 7 is formed in a concave shape, and the opposite side is formed in a convex shape. Instead of such a shape, a mortar-shaped shape in which the side facing the shoe main body 7 is curved in a relatively nearly straight shape may be adopted. Since the wheel 51 has a bowl-shaped or mortar-shaped shape, a portion protruding into the shoe body 7 (a portion corresponding to the arch as a recess and a portion most protruding forward inside from the recess is viewed as a recess). ) So that the wheel 5 1 can be attached so as to cover the wheel 5 without leaning the wheel 5 1 too much.
- the inclination a of the wheel 51 can be changed for general use and competition use.
- 23 ° to 35 ° for competition use, Is preferably set to 10 ° to 23 °.
- a rubber tire 57 is provided on an outer peripheral edge of the wheel 51.
- the tire 57 may be fixed to the wheel 51 by a plurality of screws 6 3 for holding the metal fittings 64, or may be formed integrally with the wheel 51.
- the contact point 6 1 (see FIG. 4) of the tire 57 is positioned near the center of the sole 9.
- the roller skate 1 as described above can be used basically in the same manner as a conventional roller skate. That is, when the wearer of the roller skates 1 kicks the ground surface with one foot to apply forward propulsive force and grounds the other foot forward, the hub bracket 25 to which the wheel 51 is attached is attached. Rotates around the axle 17 between the ball 29 and the pole 39, and the tire 57 rotates while continuously changing its ground contact portion. This allows the wearer of the roller skates to move forward.
- each bracket with axle 15a and 15b is formed with four long holes 65 extending long in the traveling direction of the roller skate, and corresponds to four long holes 65 on the frame 13 side Screw holes 67 are formed at positions (see Fig. 7).
- each axle The fixing brackets 15a and 15b can be positioned at arbitrary positions before and after in the traveling direction of the roller skates. Therefore, the distance between the front and rear wheels 51 can be changed by changing the distance between the mounting brackets 15a and 15b with axles. The distance between the front and rear wheels can be changed according to the size, and the appropriate wheel distance can be changed according to the sliding comfort of the user. As a modified example of this example, only one of the fixing brackets 15a and 15b with axles can be moved back and forth, and the other can be fixed to the frame 13.
- each of the fixing brackets 15a and 15b with an axle in this example has a fulcrum hole 71 serving as a swing fulcrum and a direction which is disposed before and after the fulcrum hole 71 and is substantially perpendicular to the traveling direction of the roller skate.
- a guide slot 75 is formed.
- the fulcrum hole 71, the two first guide slots 73 and the second guide slots 75 are located at positions corresponding to FIG.
- a screw hole 67 as shown in FIG. 7 is formed.
- a flanged screw 69 is inserted through a fulcrum hole 71, two first guide slots 73 and a second guide slot 75, respectively. It is screwed into the screw hole 67 of the frame 13. At this time, the axle mounting bracket 15a, 1 is rotated slightly around the fulcrum hole 71 clockwise or counterclockwise. 5 b can be fixed to frame 13. Therefore, fine adjustment can be performed by selectively inclining the directions of the front and rear wheels 51 by a predetermined angle with respect to the traveling direction of the roller skates.
- axle-mounted fixing brackets 15a and 15b may be adjustable in angle, and the other may be fixed to the frame 13.
- FI G. 9 applies other measures to secure the pole holding bracket 33 to the axle 1 mm.
- the embodiment is shown.
- a screw hole 19 with a female screw is formed inside the axle portion 17, and a plurality of slits 79 are formed at the outer end side of the screw hole 19, so that the outside is formed.
- An extensible end 80 is formed which can be extended to Outside the axle 17, a pole holding bracket 33 with a sleeve 35 is screwed in the same manner as in the embodiment of FIG.
- a screw 81 is screwed into the screw hole 19.
- the potato screw 81 has a screw portion 83 and an enlarged portion 85 formed on the opposite end side of the screw portion 83 and gradually becoming thicker toward the end portion.
- a hexagonal hole 87 for engaging a hexagonal wrench is formed inside.
- the present invention it is possible to adopt a wheel having a diameter of about 14 cm, which cannot be considered with a conventional roller skate, so that it is possible to enjoy roller skating at a speed comparable to ice skating faster than before. .
- the wheels are provided diagonally, you can experience a soft sliding feeling unlike conventional roller skates.
- the wheels can be attached so as to cover a portion protruding inside the shoe body, so that the wheels can be loosened. It is possible to position the ground contact portion of the wheel near the center of the shoe sole without tilting.
- roller-skate according to the present invention can be expected to have the following advanced uses.
- Roller skates as described above, are capable of running at the same speed as ice skating, which is different from flat rinks for ice skating.
- this roller skating can run on only one heel or one toe, can run on a curved surface, and can slide like figure skating or ice dancing.
- a new type of skates can be born that has both the speed of ice skating and smooth running and the ease of roller skating. Therefore, it is thought that this roller skating has the power to revitalize society by creating new ways of playing and competition, like skateboarding.
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/514,214 US20060038361A1 (en) | 2002-05-15 | 2003-05-09 | Roller skate |
EP03721083A EP1541202A4 (en) | 2002-05-15 | 2003-05-09 | Roller skate |
AU2003235914A AU2003235914A1 (en) | 2002-05-15 | 2003-05-09 | Roller skate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-139753 | 2002-05-15 | ||
JP2002139753A JP3732156B2 (en) | 2002-05-15 | 2002-05-15 | Roller skates |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003097188A1 true WO2003097188A1 (en) | 2003-11-27 |
Family
ID=29544904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/005815 WO2003097188A1 (en) | 2002-05-15 | 2003-05-09 | Roller skate |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060038361A1 (en) |
EP (1) | EP1541202A4 (en) |
JP (1) | JP3732156B2 (en) |
AU (1) | AU2003235914A1 (en) |
WO (1) | WO2003097188A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ517724A (en) * | 2002-03-11 | 2004-02-27 | Reginald Lyall Reid | Roller-skates with large wheels mounted outboard of foot-plate. |
US8414000B2 (en) * | 2006-04-28 | 2013-04-09 | Razor USA, Inc. | One piece flexible skateboard |
JP4974305B2 (en) | 2006-10-04 | 2012-07-11 | 美徹 佐野 | Roller skates |
US20090079147A1 (en) * | 2007-09-20 | 2009-03-26 | Landroller, Inc. | Roller skate |
WO2010019627A1 (en) * | 2008-08-11 | 2010-02-18 | Razor Usa, Llc | Improved one piece flexible skateboard |
US8256776B2 (en) * | 2009-07-22 | 2012-09-04 | John James Petell | Performance pick |
US8684369B1 (en) * | 2012-09-24 | 2014-04-01 | Harmony Sports Inc. | Ball pick |
WO2016086066A1 (en) | 2014-11-26 | 2016-06-02 | Razor Usa Llc | Powered wheeled board |
USD770585S1 (en) | 2015-05-04 | 2016-11-01 | Razor Usa Llc | Skateboard |
JP1606701S (en) | 2016-09-02 | 2018-06-11 | ||
US12042716B2 (en) | 2017-04-18 | 2024-07-23 | Razor Usa Llc | Powered wheeled board |
US20190299083A1 (en) * | 2018-02-13 | 2019-10-03 | K2 Sports, Llc | Single-wall inline skate frame with box beam wall |
US11951382B2 (en) | 2019-03-06 | 2024-04-09 | Razor Usa Llc | Powered wheeled board |
WO2021055852A1 (en) | 2019-09-18 | 2021-03-25 | Razor Usa Llc | Caster boards with removable insert |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE215734C (en) * | 1900-01-01 | |||
US1975661A (en) * | 1932-03-11 | 1934-10-02 | Edward R Powell | Disk wheel for roller skates |
US2212589A (en) * | 1938-07-26 | 1940-08-27 | William H Decker | Skate |
JPS52146360U (en) * | 1976-04-30 | 1977-11-07 | ||
US4323259A (en) * | 1979-01-25 | 1982-04-06 | Boudreau Robert J | Two wheel roller ice skate |
JP2001510718A (en) * | 1997-07-28 | 2001-08-07 | ランド・ローラー・インコーポレーテッド | Roller skates |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US346664A (en) * | 1886-08-03 | Roller-skate | ||
US2931012A (en) * | 1957-12-16 | 1960-03-29 | John J Kosach | Single wheel skate |
US3885804A (en) * | 1973-06-13 | 1975-05-27 | Wane Rider Inc | Roller skate |
US5303940A (en) * | 1991-04-15 | 1994-04-19 | Jeannette L. Brandner | Skate having angularly mounted wheels |
FR2714297B1 (en) * | 1993-12-29 | 1996-03-15 | Daniel Duthil | Roller skates. |
US6173975B1 (en) * | 1995-05-19 | 2001-01-16 | Ernest E. Brandner | V-line skate with expandable axle |
US5566957A (en) * | 1995-07-18 | 1996-10-22 | Monotype Supply Co., Ltd. | In-line roller skate having adjustable biasing angle for each individual wheel |
US6003882A (en) * | 1996-11-14 | 1999-12-21 | V-Formation, Inc. | Customizable skate with removable wheel hangers |
-
2002
- 2002-05-15 JP JP2002139753A patent/JP3732156B2/en not_active Expired - Fee Related
-
2003
- 2003-05-09 US US10/514,214 patent/US20060038361A1/en not_active Abandoned
- 2003-05-09 WO PCT/JP2003/005815 patent/WO2003097188A1/en not_active Application Discontinuation
- 2003-05-09 EP EP03721083A patent/EP1541202A4/en not_active Withdrawn
- 2003-05-09 AU AU2003235914A patent/AU2003235914A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE215734C (en) * | 1900-01-01 | |||
US1975661A (en) * | 1932-03-11 | 1934-10-02 | Edward R Powell | Disk wheel for roller skates |
US2212589A (en) * | 1938-07-26 | 1940-08-27 | William H Decker | Skate |
JPS52146360U (en) * | 1976-04-30 | 1977-11-07 | ||
US4323259A (en) * | 1979-01-25 | 1982-04-06 | Boudreau Robert J | Two wheel roller ice skate |
JP2001510718A (en) * | 1997-07-28 | 2001-08-07 | ランド・ローラー・インコーポレーテッド | Roller skates |
Also Published As
Publication number | Publication date |
---|---|
JP3732156B2 (en) | 2006-01-05 |
EP1541202A1 (en) | 2005-06-15 |
US20060038361A1 (en) | 2006-02-23 |
JP2003325725A (en) | 2003-11-18 |
EP1541202A4 (en) | 2006-08-02 |
AU2003235914A1 (en) | 2003-12-02 |
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