[특허]One piece flexible skateboard

Razor USA, LLC

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

One piece flexible skateboard

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63C-005/03
미국특허분류(USC)	280/087.042; 280/087.021
출원번호	UP-0687594 (2007-03-16)
등록번호	US-7766351 (2010-08-24)
발명자 / 주소	Chen, Robert Hadley, Robert A.
출원인 / 주소	Razor USA, LLC
대리인 / 주소	Brunell IP, PC
인용정보	피인용 횟수 : 14 인용 특허 : 50

초록
▼

A flexible skateboard may include a pair of direction casters mounted for steering rotation on a twistable one piece skateboard. A center section may be made sufficiently narrower than outboard foot support areas so that the board may be twisted by a rider to add energy for rolling motion to wheels in the casters. The center section may also be made sufficiently resistant to bowing and twist so that the skateboard may be ridden as a conventional, non-flexible skateboard. Wells may be provided to resist twisting and provide gripping surfaces on the board ...

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We claim: 1. A flexible skateboard, comprising: a one piece flexible skateboard platform having a foot support area at each end of a long axis and a narrower central section between the foot support areas; and a single wheel mounted for rotation under each foot support area and for pivoting about one of a pair of generally parallel axes forming an acute angle with the flexible skateboard platform; wherein the one piece skateboard platform is sufficiently resistant to twisting about the central axis to permit a rider to comfortably steer the skateboard by tilting the skateboard platform without substantially rotating the foot support areas relative to each other while being sufficiently flexible across the narrow central section to permit the rider to twist the foot support areas relative to each other in alternating directions about the long axis to provide locomotion of the skateboard. 2. The invention of claim 1 wherein the one piece skateboard platform is sufficiently flexible to be twisted in alternating directions about the long axis by the rider to provide locomotion from a standing start. 3. The invention of claim 1 wherein the one piece flexible skateboard platform is sufficiently resistant to bowing in the central area to support the rider without substantial bowing along the long axis when the rider at least partially supports one foot on the central section. 4. The invention of claim 1 wherein the one piece flexible skateboard platform further comprises: at least one downward facing structure extending below the central section to resist resisting bowing of the platform along the long axis. 5. The invention of claim 1 wherein the one piece flexible skateboard platform further comprises: a molded plastic platform including angled surfaces molded into the foot support areas for mounting the wheels for pivoting at the common acute angle. 6. The invention of claim 1 further comprising: a helical spring mounted around the pivot axis for each wheel to center the wheel for rotation in the direction of the long axis. 7. The invention of claim 1 wherein the foot support areas are less flexible than the central section. 8. The invention of claim 1 wherein the at least one downward facing structure further comprises: a downward facing wall. 9. The invention of claim 1 wherein the at least one downward facing structure further comprises: a continuous downward facing wall along an outside edge of the platform. 10. The invention of claim 1 further comprising: at least one vertical structure extending downward from the central section to resist twisting of the platform about the long axis. 11. The invention of claim 10 wherein the at least one vertical structure extending downward from the central section resists bowing of the platform along the long axis. 12. A flexible skateboard, comprising: a single piece skateboard platform with an integral pair of integral foot support areas and an integral central area connecting the foot support areas, the central area narrower than the foot support areas for twisting the foot support areas about a long axis of the single piece platform; a single wheel mounted for rotation under each foot support area and for steering about generally parallel axes each forming an acute angle with the long axis; and at least one wall support extending below the central area to resist bowing of the central section along the long axis when at least a portion of the rider's foot is supported on the central section. 13. The skateboard platform of claim 12, further comprising: a hollow wedge integrally molded into each foot support area of the single piece platform to support each wheel for steering rotation about one of the generally parallel axes at the acute angle. 14. The skateboard platform of claim 12, wherein the at least one wall support is integral with the central area. 15. The skateboard platform of claim 14, wherein the at least one integral wall support further comprises: a downwardly directed wall extending substantially around an outer edge of the foot support and central areas. 16. The invention of claim 12 further comprising: a helical spring mounted around the pivot axis for each wheel to center the wheel for rotation in the direction of the long axis. 17. The invention of claim 12 wherein the foot support areas are less flexible than the central section. 18. The invention of claim 12 wherein the at least one downward facing structure further comprises: a downward facing wall. 19. The invention of claim 12 wherein the at least one downward facing structure further comprises: a continuous downward facing wall along an outside edge of the platform. 20. The invention of claim 12 further comprising: at least one vertical structure extending downward from the central section to resist twisting of the platform about the long axis. 21. The invention of claim 20 wherein the at least one vertical structure extending downward from the central section resists bowing of the platform along the long axis. 22. The invention of claim 12 wherein the central and foot support areas are molded of separate structures and fastened together. 23. The invention of claim 12 wherein the central and foot support areas are molded of a single piece of plastic material. 24. A flexible skateboard, comprising: a one piece, molded plastic platform having foot support sections and a narrow central section more flexible than the foot support sections; and a pair of single wheels each mounted to the platform for rolling rotation and for pivoting about one of a pair of generally parallel axes to provide forward locomotion when the platform is twisted alternately in opposite directions by a rider. 25. The invention of claim 24 wherein the platform further comprises: at least one structure extending below the platform to resist bowing of the narrow section when supporting the rider. 26. The invention of claim 24 wherein the platform further comprises: at least one structure extending below the platform to resist twisting of the narrow section when twisted the rider. 27. The invention of claim 26 wherein the at least one structure extending below the platform resists twisting of the narrow section when the platform is twisted by the rider. 28. The invention of claim 27 wherein the at least one structure is a downward facing wall extending around a periphery of the platform. 29. The invention of claim 28 wherein the platform further comprises: a pair of angled supports molded outside of the narrow section to support the pair of wheels for pivoting about a common acute angle. 30. A flexible skateboard, comprising: a one piece flexible skateboard platform having a foot support area at each end of a long axis and a narrower central section between the foot support areas; and a single wheel mounted for rotation under each foot support area and for pivoting about one of a pair of axes forming an acute angle with the flexible skateboard platform; wherein the one piece skateboard platform is sufficiently resistant to twisting about the central axis to permit a rider to comfortably steer the skateboard by tilting the skateboard platform without substantially rotating the foot support areas relative to each other while being sufficiently flexible across the narrow central section to permit the foot support areas to twist relative to each other in alternating directions about the long axis while supporting the rider. 31. The invention of claim 30 wherein the one piece flexible skateboard platform is sufficiently resistant to bowing in the central area to support the rider without substantial bowing along the long axis when the rider at least partially supports one foot on the central section. 32. The invention of claim 30 wherein the one piece flexible skateboard platform further comprises: at least one downward facing structure extending below the central section to resist resisting bowing of the platform along the long axis. 33. The invention of claim 32 wherein the at least one downward facing structure further comprises: a downward facing wall. 34. The invention of claim 32 wherein the at least one downward facing structure further comprises: a continuous downward facing wall along an outside edge of the platform. 35. The invention of claim 30 further comprising: at least one vertical structure extending downward from the central section to resist twisting of the platform about the long axis. 36. The invention of claim 35 wherein the at least one vertical structure extending downward from the central section resists bowing of the platform along the long axis. 37. The invention of claim 30 wherein the one piece flexible skateboard platform further comprises: a molded plastic platform including at least one angled surface molded into one of the foot support areas for mounting the wheel for pivoting at the common acute angle. 38. The invention of claim 30 further comprising: a helical spring mounted around the pivot axis of at least one wheel to center the wheel for rotation in the direction of the long axis. 39. The invention of claim 30 wherein the foot support areas are less flexible than the central section. 40. A flexible skateboard, comprising: a single piece skateboard platform with an integral pair of integral foot support areas and an integral central area connecting the foot support areas, the central area narrower than the foot support areas for twisting the foot support areas about a long axis of the single piece platform; a single wheel mounted for rotation under one of the foot support areas steerable about an axis forming an acute angle with the long axis; and at least one wall support extending below the central area to resist bowing of the central section along the long axis when ridden. 41. The skateboard platform of claim 40, further comprising: a hollow wedge integrally molded into one of the foot support areas of the single piece platform to support the related wheel for steering rotation about the axis at the acute angle. 42. The skateboard platform of claim 40, wherein the at least one wall support is integral with the central area. 43. The skateboard platform of claim 42, wherein the at least one integral wall support further comprises: a downwardly directed wall extending substantially around an outer edge of the foot support and central areas. 44. The invention of claim 40 further comprising: a helical spring mounted around the pivot axis for at least pme wheel to center the wheel for rotation in the direction of the long axis. 45. The invention of claim 40 wherein the foot support areas are less flexible than the central section. 46. The invention of claim 40 wherein the at least one downward facing structure further comprises: a downward facing wall. 47. The invention of claim 40 wherein the at least one downward facing structure further comprises: a continuous downward facing wall along an outside edge of the platform. 48. The invention of claim 40 further comprising: at least one vertical structure extending downward from the central section to resist twisting of the platform about the long axis. 49. The invention of claim 48 wherein the at least one vertical structure extending downward from the central section resists bowing of the platform along the long axis. 50. The invention of claim 40 wherein the central and foot support areas are molded of separate structures and fastened together. 51. The invention of claim 40 wherein the central and foot support areas are molded of a single piece of plastic material. 52. A flexible skateboard, comprising: a one piece, molded plastic platform having foot support sections and a narrow central section more flexible than the foot support sections; and a pair of single wheels each mounted to the platform for rolling rotation and for pivoting about one of a pair of axes to provide steering by a rider. 53. The invention of claim 52 wherein the platform further comprises: at least one structure extending below the platform to resist bowing of the narrow section when supporting the rider. 54. The invention of claim 52 wherein the platform further comprises: at least one structure extending below the platform to resist twisting of the narrow section when twisted the rider. 55. The invention of claim 54 wherein the at least one structure extending below the platform resists twisting of the narrow section when the platform is twisted by the rider. 56. The invention of claim 55 wherein the at least one structure is a downward facing wall extending around a periphery of the platform. 57. The invention of claim 52 wherein the platform further comprises: at least one angled support molded outside of the narrow section to support at least one of the pair of wheels for pivoting about an acute angle. 58. The invention of claim 1 or 12 or 24 or 30 or 52, wherein the one piece flexible skateboard platform further comprises: a single piece platform. 59. The invention of claim 1 or 12 or 24 or 30 or 52, wherein the single piece platform further comprises: a molded plastic platform. 60. The invention of claim 1 or 12 or 24 or 30 or 52, wherein the molded plastic platform further comprises: a single piece of plastic material. 61. The invention of claim 1 or 12 or 24 or 30 or 52, wherein the molded plastic platform further comprises: a molded plastic platform configured from multiple pieces of plastic fastened together so that the platform twists as if it were molded from a single piece of plastic. 62. The invention of claim 1 or 12 or 24 or 30 or 52, wherein the one piece flexible skateboard platform further comprises: a molded wooden platform.

이 특허에 인용된 특허 (50)

이 특허를 인용한 특허 피인용횟수: 14

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One piece flexible skateboard

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이 특허에 인용된 특허 (50)

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One piece flexible skateboard

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이 특허에 인용된 특허 (50)

이 특허를 인용한 특허 피인용횟수: 14

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