[특허]Powered vehicle

[미국특허] Powered vehicle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62D-061/08
출원번호	US-0222939 (1981-01-06)
발명자 / 주소	Ball Douglas (190 Senneville Rd. Senneville Quebec CAX H9X 1B9)
인용정보	피인용 횟수 : 40 인용 특허 : 2

초록 ▼

A powered vehicle suitable for use as a wheel chair is disclosed. The vehicle has rear caster wheels which can swivel freely or one can be prevented from swivelling which allows the vehicle to manoeuvre in confined spaces and around obstacles. The vehicle has at least one steerable central front wheel which is steerable at least about 90°on either side of a straight ahead direction. A power drive operates the front wheel in forward and reverse directions. At least two rear swivel caster wheels form a tricycle arrangement with the central front wheel, each of the caster wheels having a free position wherein each caster wheel is free to swivel in any direction, at least one caster wheel having a locked position, wherein the caster wheel is lockable in the straight ahead direction, and a remote control selector is provided to change from the free position to the locked position of the caster wheel.

대표청구항 ▼

A powered vehicle comprising, at least one steerable central front wheel, the front wheel being steerable at least about 90°on either side of a straight ahead direction, power means to drive the front wheel in forward and reverse directions, at least two rear swivel caster wheels forming a tricycle arrangement with the central front wheel, each said caster wheel having a swivel point and an axle offset from said swivel point whereby said caster wheels normally trail said front wheel when the vehicle is going in a straight ahead direction, means connected with each of the caster wheels to provide a free position wherein each caster wheel is independently free to swivel in any direction, to provide an intermediate position wherein each caster wheel is independently free and unrestrained to swivel from a normal straight ahead direction outwards through an angle of approximately 180°to a reversed straight ahead direction and inwards through an angle of approximately 45°, and to provide a locked position for at least one caster wheel wherein the caster wheel is lockable in the straight ahead direction, remote control selector means to change between the free position, the intermediate position, and the locked position of the caster wheel, and spring loaded side bumpers mounted on said vehicle.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Ruse Edward Thipthorp (304 Bournemouth Park Road Southend-on-Sea EN), Powered invalid-chairs.
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Vago Robert E. (Manlius NY), Therapeutic and rehabilitative carriage.
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이 특허를 인용한 특허 (40) 인용/피인용 타임라인 분석

Nyitray, Michael, Adjustable wheelchair seat.
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Nyitray, Michael, Adjustable wheelchair seat.
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Frahm, Jeffry R, Brake release handle.
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Fernie Geoffrey R.,CAX ; Griggs Gerald T.,CAX, Clutch for multi-directional transportation device.
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Kolbus Brian D. (Minneapolis MN) Jacobs Richard H. (New Brighton MN), Convertible trailer and jogging stroller for two children.
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Chen, Robert (Wei-Pin), Drifting kart.
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Chen, Robert (Wei-Pin), Drifting kart.
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Chen, Robert (Wei-Pin), Drifting kart.
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Chen, Robert (Wei-Pin), Drifting kart.
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Chen, Robert (Wei-Pin), Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali, Drifting kart.
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Kermani, Ali; Hadley, Robert; Chen, Robert (Wei-Pin), Drifting kart.
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Kermani, Ali; Hadley, Robert; Chen, Robert (Wei-Pin), Drifting kart.
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Ishikawa Hirotomo (Yokohama JPX), Electronic powered motor vehicle.
상세보기
Jackson, Jr., David P.; McCoy, Warren, Exercise apparatus for strengthening hamstring muscles and associated method.
상세보기
Rust Matthew H. ; Jacobs Richard H., Foldable compact molded stroller and trailer with flexible hitch.
상세보기
Jacobs Richard H. (Brighton MN), Foldable convertible trailer and jogging stroller for two children.
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Eyman David W. ; Kelley Jennifer A. ; Schmidlin Thomas J., Folding child stroller and frame carrier.
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Jacobs Richard J. (Roseville MN), Infant stroller.
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Bussinger, Allen, Lateral stability wheel.
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Bussinger, Allen Louis; Schultz, Jeremiah Vincent, Material handling cart.
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Simons, Kenneth A.; Guy, Ashley, Mobile chair apparatus comprising foot pedals.
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Turner,Patrick E., Motorized cart with hub gear motor system.
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Nyitray, Michael, Multipurpose vehicle.
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Bussinger, Allen, Personal mobility vehicle.
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Pearlman, Jonathan L.; Cooper, Rory, Personal vehicle.
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Chen, Robert; Hadley, Robert; Griggs, William, Powered personal mobility vehicle with rotating wheels.
상세보기
Chen, Robert; Hadley, Robert; Griggs, William, Powered personal mobility vehicle with rotating wheels.
상세보기
Chen, Robert; Hadley, Robert; Griggs, William, Powered personal mobility vehicle with rotating wheels.
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Eyman David (Cincinnati OH) Schmidlin Thomas J. (Newport KY), Six wheel stroller.
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Ikari Masanori,JPX, Steering apparatus.
상세보기
Fry Jeremy J. (The Brewery ; Freshford Bath BA3 6BU GB3), Wheelchair steering.
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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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[미국특허] Powered vehicle 원문보기