[특허]Chassis for invalid wheelchairs

[미국특허] Chassis for invalid wheelchairs 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62M-001/14
출원번호	US-0373740 (1982-04-30)
우선권정보	DE-1118112 (1981-05-07)
발명자 / 주소	Brudermann Uwe (Heikendorf DEX) Kunze Karl-H. (Kiel DEX) Krehl Gunter (Kiel DEX) Linde E. Volker (Klausdorf DEX) Lorenz Dieter R. (Kiel DEX)
출원인 / 주소	Everest & Jennings, Inc. (Camarillo CA 02)
인용정보	피인용 횟수 : 33 인용 특허 : 2

초록 ▼

The chassis features left and right lateral frames rotatably supporting at their front and rear ends front and rear wheels. The rear wheels are pivoted for steering. First and second connecting members arranged in a cross and lying in a horizontal plane extend between and are attached to the lateral frames to confine the movements of the lateral frames into predominantly parallel planes. A third connecting member extends horizontally between and is attached to the lateral frames in a position spaced above the horizontal plane so that when the chassis is viewed from the side at the most only two frame mounting points fall on a straight line. Elastic relative movement between the left and right lateral frames is achieved as a result of the inherent elasticity of the connecting members and in addition resilient mountings at the attachment points of the connecting members to the lateral frames.

대표청구항 ▼

A chassis for invalid wheelchairs including, in combination: (a) left and right lateral frames for rotatably supporting at their forward and rear ends front and rear wheels respectively, said lateral frames lying in spaced generally vertical parallel planes; (b) first and second connecting members arranged in a cross, lying generally in an horizontal plane between said vertical parallel planes, the extending ends of said members being attached to said lateral frames; and (c) a third connecting member extending horizontally between and attached to said lateral frames in a position spaced above said horizontal plane, said third member being normal to said vertical planes, so that when said chassis is viewed from the side, at the most only two frame mounting points fall on a straight line, said first, second and third connecting members constituting leaf springs providing an elastic connection between the lateral frames permitting slight rotations of the frames in their own planes about an horizontal axis, the attachment points of said members to said lateral frames permitting further elastic relative movements between said lateral frames.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Rudwick Lawrence A. (3200 Glenwood Pl. Falls Church VA 22041) Schuman Steven A. (6038 Westchester Park Dr. College Park MD 20740), Sport type wheel chair.
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Peng Luke Shih-Cheng (No. 30-1 Lane ; 350 ; Wu Hsing Street Taipei CT) Yu Herbert Chia-Chen (No. 2-4 ; Alley 12 ; Lane 118 ; Jen Ai Road ; Sec. 3 Taipei CT), Structures for folding baby-carriages, chairs, and the like.
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이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

Schaffner, Walter E.; Watkins, Walter A.; White, Jr., Gerald J., Anti-tip caster suspension for a wheelchair.
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Ordelman Hendrik Jan,NLX ; Temmink Gerhard,NLX ; Stokkers Herman Willem Hendrik,NLX ; Braam Harm Hendrik,NLX, Collapsible wheelchair.
상세보기
Schaffner Walter E. ; Mulhern James P. ; Antonishak Stephen J. ; White Gerald J., Curb-climbing power wheelchair.
상세보기
Schaffner Walter E. ; Mulhern James P. ; White Gerald J. ; Antonishak Stephen J., Foldable midwheel drive power chair.
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Goertzen, Gerold; Null, Jr., William A., Obstacle traversing wheelchair.
상세보기
Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
상세보기
Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
상세보기
Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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Zinn Eugene (West Hills CA), Pivot joint assembly for a folding wheelchair frame.
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Goertzen Gerold G. (Brunswick OH) Curran Neal J. (Lakewood OH) Molnar James H. (Bedford OH), Powered wheelchair with adjustable center of gravity and independent suspension.
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Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald, Stability control system.
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Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald, Stability control system.
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Goertzen, Gerold; Null, Jr., William A.; Cuson, Robert L., Suspension for wheeled vehicles.
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Goertzen, Gerold; Null, William A.; Cuson, Robert L., Suspension for wheeled vehicles.
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Goertzen, Gerold; Null, William A.; Cuson, Robert L., Suspension for wheeled vehicles.
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Dickie Paul C. ; Taylor Robert A., Suspension system for a wheelchair.
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Dickie Paul C. ; Taylor Robert A., Suspension system for a wheelchair.
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Gong, Xiaolong, Vehicle suspension and drive system.
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Ellis Laura (230 A. W. Guadalupe LaGrange TX 78945) Caram Joe M. (3106 Aberdeen Houston TX 77025) Cantu John R. (502 McDougal San Antonio TX 78223) Dudley Troy W. (P.O. Box 6 Haslet TX 76052) Callaha, Wheelchair shock absorbing apparatus.
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Bekoscke, Robert; Burns, Kevin, Wheelchair suspension.
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Bekoscke, Robert; Burns, Kevin, Wheelchair suspension.
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Bekoscke, Robert; Jurkiewicz, Damon, Wheelchair suspension.
상세보기
Bekoscke, Robert; Jurkiewicz, Damon, Wheelchair suspension.
상세보기
Bekoscke, Robert; Jurkiewicz, Damon, Wheelchair suspension.
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Cuson, Robert L.; Bekoscke, Robert A.; Stothard, Daniel J., Wheelchair suspension.
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Cuson, Robert L.; Bekoscke, Robert A.; Strothard, Daniel J., Wheelchair suspension.
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Fought, Gerald E., Wheelchair suspension.
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Molnar, James H., Wheelchair suspension.
상세보기
Molnar, James H., Wheelchair suspension.
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Molnar, James H., Wheelchair suspension.
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Chelgren, Eric Mark, Wheelchair suspension system.
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Bekoscke, Robert; Jurkiewicz, Damon; Fought, Gerald, Wheelchair with suspension.
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Lindenkamp, Horst; Farwer, Jens, Wheelchair with suspension arms.
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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] Chassis for invalid wheelchairs 원문보기