[특허]Wheeled coasting board

Wheeled coasting board 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63C-017/02
출원번호	US-0497887 (1990-03-23)
발명자 / 주소	McCosker Robert E. (24232 Tahoe Ct. Laguna Niguel CA 92677)
인용정보	피인용 횟수 : 28 인용 특허 : 0

초록 ▼

A wheeled board for riding downhill over the ground. The board has a generally flat riding board which is supported by four wheels through carriage assemblies. The carriage assemblies are held to the board through springs and supported so that when the board is tilted to the right, the front axle will turn in a clockwise manner, and the rear axle will turn in a counter-clockwise manner as viewed from above thereby causing the board to turn to the right. Conversely, when the board is tilted to the left, the front axle will turn counter-clockwise and the rear axle will turn clockwise causing the board to turn to the left. The wheels of the board have a diameter of between four and eight inches and a width of between three and nine inches.

대표청구항 ▼

A wheeled board for riding downhill over the ground, said board comprising: a generally flat riding board having an upper riding surface and a lower carriage surface, a front, a back and elongated right and left sides; a front carriage assembly having a front upper plate affixed to the lower carriage surface near the front of said riding board, said front carriage assembly including a front axle supported by said front upper plate through biasing and support means comprising three discreet spring means which directly and largely support the front upper plate and which permit the front axle to move upwardly toward the riding board under load, and said biasing and support means being affixed between said front axle and said front upper plate so that the axle will turn clockwise as viewed from above when the board is tilted to the right and counterclockwise when the board is tilted to the left; a rear carriage assembly having a rear upper plate affixed to the lower carriage surface near the rear of said riding board, said rear carriage assembly including a rear axle supported by said rear upper plate through biasing and support means comprising three discreet spring means which directly and largely support the rear upper plate which permit the rear axle to move upwardly toward the riding board under load, and said biasing and support means being affixed between said rear axle and said rear upper plate sot hat the axle will turn counter-clockwise as viewed from above when the board is tilted to the right and clockwise when the board is tilted to the left; wherein each of said front and biasing and support means comprises a single inner coiled spring surrounding a support rod and a pair of outer coiled springs, each surrounding a support rod, and the support rods being affixed three to the front upper plate and three to the rear upper plate, and the front support rods being affixed to the front axle at their lower ends, and the rear support rods being affixed to the rear axle at their lower ends, and wherein the front support rods are affixed to the front axle through a lower plate, and said lower plate is held to the front upper plate through both the three support rods and by a support link affixed at the center of the inner edge of the upper and lower plates; and a right and a left front wheel and a right and a left rear wheel, each wheel being rotatably affixed to an axle, each of said wheels having a diameter of between four and eight inches and a width of between and three and nine inches.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Wheeled coasting board 원문보기

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Wheeled coasting board 원문보기

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이 특허를 인용한 특허 (28)

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