WO2000071214A1 - Sports vehicle - Google Patents
Sports vehicle Download PDFInfo
- Publication number
- WO2000071214A1 WO2000071214A1 PCT/GB2000/001926 GB0001926W WO0071214A1 WO 2000071214 A1 WO2000071214 A1 WO 2000071214A1 GB 0001926 W GB0001926 W GB 0001926W WO 0071214 A1 WO0071214 A1 WO 0071214A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- platform
- vehicle
- vehicle according
- rotatable disks
- rotatable
- 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
- A63C17/22—Wheels for roller skates
- A63C17/24—Wheels for roller skates with ball-shaped or spherical running surfaces
-
- 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
- A63C17/01—Skateboards
- A63C17/014—Wheel arrangements
- A63C17/016—Wheel arrangements with wheels arranged in one track
Definitions
- the skateboard enables its user to travel over surfaces such as tarmac and concrete, which are relatively smooth and firm.
- the snowboard enables its user to travel over snow-covered surfaces, which offer a low coefficient of friction.
- Neither of these devices is suitable for travelling over grassland or any other terrain that lacks the smoothness and firmness required by the skateboard and the low coefficient of friction required by the snowboard.
- the object of this invention is to provide a device that enables its user to indulge in pursuits similar to skateboarding and snowboarding over terrain such as grassland.
- a vehicle for travelling over grassland and similar terrain comprising a generally horizontal platform having attached to its underside one or more rotatable disks each having a lower surface adapted to contact the ground, each of said one or more rotatable disks arranged to rotate about a generally vertical axis, the underside of each of said one or more rotatable disks being substantially convex in form.
- said vehicle has two or more rotatable disks arranged along a longitudinal axis of said platform.
- said platform is resiliently pliable.
- said platform comprises a first area on its upper side towards the front of said platform adapted to receive one foot of the user, and a second area on its upper side towards the rear of said platform adapted to receive the other foot of the user, said platform comprising a central portion between said first and second areas adapted to flex resiliently about a lateral axis in the plane of said platform.
- said first and second areas are provided with boot or shoe retention means.
- the platform may further comprise a hinge mechanism extending laterally across said platform to aid pliability.
- the first area of the platform may be provided with a first rotatably mounted foot support member, while the second area of the platform may be provided with a second rotatably mounted foot support member.
- each foot support member is rotatably mounted such that its axis of rotation is substantially coincident with the axis of rotation of a rotatable disk.
- said first and second foot support members are each provided with boot or shoe retention means.
- said central portion comprises a portion of said platform having a reduced cross-sectional area.
- said central portion comprises a waist portion of the platform having a reduced width.
- the platform may have a generally concave shape in a longitudinal direction in its unstressed state, such that the central portion of the platform is lower than the ends of the platform.
- the platform may have a generally convex shape in a longitudinal direction in its unstressed state, such that the central portion of the platform is higher than the ends of the platform.
- each of said one or more rotatable disks is supported on a spindle attached to the underside of said platform.
- said vehicle further comprises additional support means adapted to provide additional support for each of said one or more rotatable disks in addition to said spindle.
- said additional support means is either a plurality of idler wheels or rollers.
- each of said one or more rotatable disks is supported solely by either a plurality of idler wheels, a plurality of rollers, or a plurality of balls.
- each of said one or more rotatable disks is hollow, said upper surface of each of said one or more rotatable disks being substantially concave in form.
- said platform is shaped so as to follow the form of said concave upper surface of each of said one or more hollow rotatable disks.
- said vehicle further comprises means for the attachment of a sail, to permit the user to traverse substantially level terrain.
- the platform and rotatable disks are made of composite plastics materials, and the other parts that support the rotatable disks are made of metal, but the platform may instead be made of natural materials, such as wood, and the rotatable disks may be made of metal .
- a vehicle for travelling over grassland and similar terrain comprising a substantially horizontal platform having attached to its underside three or more rotatable disks arranged longitudinally, at least one of said rotatable disks having a first inclined axis, and at least one rotatable disk having a second inclined axis inclined in the opposite sense to said first inclined axis.
- Figs, la and lb show a side elevation and plan view respectively of a vehicle according to the invention, with the mounting spindle shown schematically;
- Figs. 4a and 4b show a side elevation and plan view respectively of the vehicle of Fig. 1 when positioned on a sloping surface;
- Figs. 5a and 5b show a side elevation and plan view respectively of another vehicle according to the invention having two rotatable disks with the platform flat, the mounting spindles being shown schematically;
- Figs. 6a and 6b show a side elevation and plan view respectively of the vehicle of Fig. 5 with the platform curved upwards towards its ends;
- Figs. 7a and 7b show a side elevation and plan view respectively of the vehicle of Fig. 5 with the platform curved downwards towards its ends;
- Fig. 8a shows a longitudinal section through a vehicle according to the invention showing the rotatable disk mounting arrangement with a central spindle;
- Fig. 8b is an enlarged view of part of the longitudinal section of Fig. 8a;
- Fig. 9 shows a transverse section through a solid rotatable disk of the vehicle of Fig. 8a;
- Fig. 10 shows a transverse section through a hollow rotatable disk
- Fig. 11 shows a transverse section through a rotatable disk mounting arrangement with no central spindle of another vehicle according to the invention
- Fig. 12 shows a transverse section through another platform according to the invention in which the platform follows the form of the rotatable disks
- Figs. 13a and 13b show a side elevation and an end elevation respectively of a vehicle according to a further embodiment of the invention
- Fig. 14 shows a plan view of a vehicle according to a further embodiment of the invention having rotatable foot supports
- Fig. 15 shows a plan view of the vehicle of Fig. 15 with the foot supports in a rotated position.
- the vehicle according to the invention comprises a platform 1 capable of supporting the user and having on its underside one or more rotatable disks 2.
- Each rotatable disk 2 rotates about a spindle 3, which is attached at one end to the underside of the platform with its axis perpendicular to the underside of the platform.
- the user stands on the platform, with his feet in approximately the position 4 shown in Fig. 1, and he may adopt a crouching stance to enable him to grip handgrips 5 located at each end of the platform.
- Fig. 5 shows an embodiment of the vehicle of the invention having two rotatable disks 2 and a pliable platform 1 with handgrips 5 at each end.
- Figs. 8a and 8b show a detailed embodiment of a vehicle according to the invention.
- handgrips 5a are provided in the form of a longitudinal extension of the platform 1 at each end of the platform beyond the outer edge of the adjacent rotatable disk 2.
- a metal spindle 3 is attached by bolts 60 or other means to the underside of the platform 1.
- Rolling element bearings 6 are fitted between the spindle 3 and the rotatable disk 2 to reduce the friction and wear arising from rotation of the rotatable disk on the spindle, and the assembly is made secure by a nut 7 secured to the threaded end 62 of the spindle 3, so that the two bearings 6 are held between the nut 7 and a shoulder 64 provided at the upper end of the spindle 3.
- each of the rotatable disks 2 may take a variety of forms, including a segment of a sphere, a segment of an ellipsoid, a truncated cone, a truncated toroid or a combination of these forms.
- the choice of form is dictated by the contact area required to prevent the rotatable disk sinking into the ground; the nature of the undulations inherent in the terrain over which the device is to be used; and the requirement that the device should not be unduly difficult to balance.
- the rotatable disks 2 may be of solid construction, as shown in Fig. 9, or hollow construction, as shown in Fig. 10.
- the material may be a mouldable plastic or resin, metal, alloy, composite or any material which can be formed and has the requisite strength and stiffness.
- Hollow rotatable disks have an outer shell 70 and may have internal ribs 76 (shown in Fig. 13a) to increase their stiffness.
- one or more idler wheels 8 may be employed to provide additional support to the rotatable disks 2, as shown in Fig 10.
- Each idler wheel is rotatably mounted on a bracket (not shown) which is fixed to the underside of the platform 1.
- the wheel 8 is oriented so that its axis or rotation 72 is parallel to the contact surface 74 on the disk 2.
- the provision of idler wheels 8 serves to reduce the bending moment which must be withstood by the spindle 3 and its bolted connection to the platform 1. It is to be understood that roller or balls may be used to support the edges of the disks 2 in the same way as the idler wheels 8 described above.
- Fig. 11 shows an alternative form of rotational support by means of which a disk 2 may be rotatably mounted on the platform 1.
- a plurality of balls 9 are mounted circumferentially in a ball support channel formed by an outer flange 80 attached to the disk 2 and an inner flange 82 mounted securely to the underside of the platform 1.
- the platform 1 may be formed in such a way that it follows the form of the upper surface 90 of the rotatable disks 2, as shown in Fig. 12.
- the user's feet are placed in the concave section of the platform 1.
- this configuration enables the user to remain closer to the ground and to stand on a surface that is approximately parallel to the ground, since if the user applies weight at a point 92 to one side of the longitudinal axis of the platform 1, then the vehicle 1 will tilt about the longitudinal axis so that the point 94 on the disk 2 comes into contact with the ground 30 and the adjacent part of the platform at point 92 is substantially parallel to the ground 30.
- this concave section could be adapted to provide a flat, horizontal surface for the user's feet when the platform is tilted to the appropriate angle, if the upper surface is profiled to the shape shown by the dotted line 96.
- FIG. 13 A further embodiment of the invention is shown in Fig. 13 which has three rotatable disks 2 mounted on the underside of the platform 1.
- the two rotatable disks 2a at the ends of the platform 1 are tilted by a particular tilt angle about the longitudinal axis of the platform 1 in one direction, whilst the central rotatable disk 2b is angled by the same or similar tilt angle in the opposite direction.
- the platform 1 remains horizontal, but the vehicle can still be steered by deflection of the platform 1 as with the other embodiments.
- Figs the vehicle can still be steered by deflection of the platform 1 as with the other embodiments.
- FIG. 14 and 15 illustrate an embodiment in which the top of the platform 1 is provided with rotatable foot support members 100 which are connected by a rotatable hinge 102 to a point on the upper surface of the platform 1 corresponding to the centre of rotation of the disk 2.
- the foot support members 100 in the illustrated embodiment are in the form of rigid plates, which may have rollers, bearings or low- friction coatings (not shown) on their underside so that they can rotate freely with respect to the platform 1.
- the same spindle 3 used to mount the rotatable disk 2 can also be used to mount the hinge 102. In this way the foot support members 100 can rotate about axes coincident with the axes of the rotatable disks 2.
- the user places his feet on the foot support members 100 and applies his weight through his heels in the normal manner to tilt the platform to one side. If he then moves his heels closer together and thereby rotates the foot support members 100 to the position 100a in Fig. 15, then the platform will assume a "concave up” position, as shown in Fig. 6, causing the vehicle to steer to one side. If he moves his heels further apart and thereby rotates the foot support members 100 to the position 100b in Fig. 15, then the platform will assume a "concave down" position, as shown in Fig. 7, causing the vehicle to steer to the other side.
- the foot support members may be of any suitable shape and may be fitted with boot or shoe retention devices, such as a simple toe strap 104 or any device of the sort known in the art of snowboarding, skiing and roller skating.
- the device could also be provided with means to which a sail and mast may be attached, if the user was to traverse substantially level terrain.
- the attachment of such a sail would therefore enable the user to cross terrain with the minimum of effort being required.
- Pliability of the platform 1 may be achieved by constructing it entirely of flexible materials, or by using a combination of rigid materials in the vicinity of the user's feet and flexible materials for the middle portion.
- a region of reduced cross- sectional area may also be incorporated in the platform to facilitate deflection, or a mechanical hinge (not shown) may be employed, which extends across the width of the platform.
- the hinge may have some form of damping arrangement, to prevent the platform being too flexible.
- the illustrated embodiments show the platform 1 to have a generally flat shape in the unstressed state.
- the platform may, in its unstressed condition, have a concave or convex upper surface, of the form illustrated in Figs 6a or 7a respectively. Having such a shape will give the vehicle a natural tendency to steer to one side or the other in the absence of a specific deflection of the platform by the user.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU50834/00A AU5083400A (en) | 1999-05-22 | 2000-05-22 | Sports vehicle |
EP00935278A EP1181078B1 (en) | 1999-05-22 | 2000-05-22 | Sports vehicle |
AT00935278T ATE245047T1 (en) | 1999-05-22 | 2000-05-22 | SPORTS VEHICLE |
DE60003916T DE60003916T2 (en) | 1999-05-22 | 2000-05-22 | SPORTS CAR |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9911843.2 | 1999-05-22 | ||
GBGB9911843.2A GB9911843D0 (en) | 1999-05-22 | 1999-05-22 | Sports vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000071214A1 true WO2000071214A1 (en) | 2000-11-30 |
Family
ID=10853894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2000/001926 WO2000071214A1 (en) | 1999-05-22 | 2000-05-22 | Sports vehicle |
Country Status (7)
Country | Link |
---|---|
US (1) | US20020030331A1 (en) |
EP (1) | EP1181078B1 (en) |
AT (1) | ATE245047T1 (en) |
AU (1) | AU5083400A (en) |
DE (1) | DE60003916T2 (en) |
GB (1) | GB9911843D0 (en) |
WO (1) | WO2000071214A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4106786A (en) * | 1977-05-05 | 1978-08-15 | Earl Raymond Talbott | Recreational vehicle for use on sloping terrains |
US4598918A (en) * | 1985-04-05 | 1986-07-08 | Rodriquez Jose A | Roller disc assembly and skate |
GB2221140A (en) * | 1988-07-28 | 1990-01-31 | Lucas Mellinger | Dancing shoes |
US4928982A (en) * | 1988-03-18 | 1990-05-29 | Logan Kenneth C | Convertible running shoes/roller skates |
EP0384383A2 (en) * | 1989-02-20 | 1990-08-29 | Kouichi Nagahisa | Sliding device |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1975661A (en) * | 1932-03-11 | 1934-10-02 | Edward R Powell | Disk wheel for roller skates |
US3664680A (en) * | 1970-08-18 | 1972-05-23 | Jasper A Booker | Scooter-type vehicle |
US3885804A (en) * | 1973-06-13 | 1975-05-27 | Wane Rider Inc | Roller skate |
US4530498A (en) * | 1982-09-29 | 1985-07-23 | Heatwole Richard L | Amusement and/or exercising device |
US5303940A (en) * | 1991-04-15 | 1994-04-19 | Jeannette L. Brandner | Skate having angularly mounted wheels |
US5236208A (en) * | 1991-09-03 | 1993-08-17 | Thomas Welsh | Platform steerable skateboard |
US5292296A (en) * | 1992-09-15 | 1994-03-08 | Davignon Barry J | Balance board |
US5409265A (en) * | 1994-01-12 | 1995-04-25 | Douglass; Sharon | Skateboard with ball rollers |
US5553874A (en) * | 1994-09-06 | 1996-09-10 | Schouten; Pieter | Truck assembly for roller board apparatus |
US5584787A (en) * | 1996-01-22 | 1996-12-17 | Guidry; Don D. | Balancing and locomotion board |
US5855385A (en) * | 1996-09-23 | 1999-01-05 | Hambsch; Stephen G. | Wheeled board apparatus having platform with concave sidecuts |
US5730467A (en) * | 1997-04-07 | 1998-03-24 | Huang; Yu-Lin | Roller skate device |
US5951028A (en) * | 1997-07-28 | 1999-09-14 | Land Roller, Inc. | Roller skate |
US6543769B1 (en) * | 1998-10-07 | 2003-04-08 | Slingshot Game Technology, Inc. | Snowboard apparatus |
US20010052683A1 (en) * | 2000-05-31 | 2001-12-20 | Vance Andrew H. | Roller board |
US20020070514A1 (en) * | 2000-12-12 | 2002-06-13 | Costa Ronald D. | Omnidirectional spherical roller caster |
-
1999
- 1999-05-22 GB GBGB9911843.2A patent/GB9911843D0/en not_active Ceased
-
2000
- 2000-05-22 DE DE60003916T patent/DE60003916T2/en not_active Expired - Fee Related
- 2000-05-22 AU AU50834/00A patent/AU5083400A/en not_active Abandoned
- 2000-05-22 EP EP00935278A patent/EP1181078B1/en not_active Expired - Lifetime
- 2000-05-22 WO PCT/GB2000/001926 patent/WO2000071214A1/en active IP Right Grant
- 2000-05-22 AT AT00935278T patent/ATE245047T1/en not_active IP Right Cessation
-
2001
- 2001-11-20 US US09/989,351 patent/US20020030331A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4106786A (en) * | 1977-05-05 | 1978-08-15 | Earl Raymond Talbott | Recreational vehicle for use on sloping terrains |
US4598918A (en) * | 1985-04-05 | 1986-07-08 | Rodriquez Jose A | Roller disc assembly and skate |
US4928982A (en) * | 1988-03-18 | 1990-05-29 | Logan Kenneth C | Convertible running shoes/roller skates |
GB2221140A (en) * | 1988-07-28 | 1990-01-31 | Lucas Mellinger | Dancing shoes |
EP0384383A2 (en) * | 1989-02-20 | 1990-08-29 | Kouichi Nagahisa | Sliding device |
Also Published As
Publication number | Publication date |
---|---|
GB9911843D0 (en) | 1999-07-21 |
DE60003916T2 (en) | 2004-05-19 |
EP1181078B1 (en) | 2003-07-16 |
AU5083400A (en) | 2000-12-12 |
US20020030331A1 (en) | 2002-03-14 |
DE60003916D1 (en) | 2003-08-21 |
EP1181078A1 (en) | 2002-02-27 |
ATE245047T1 (en) | 2003-08-15 |
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