[특허]Wheelchair with shock absorber

[미국특허] Wheelchair with shock absorber 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62M-001/14
출원번호	US-0908245 (1978-05-22)
발명자 / 주소	Powers Samuel T. (Albuquerque NM)
출원인 / 주소	Albuquerque Patents, Ltd. (Albuquerque NM 02)
인용정보	피인용 횟수 : 30 인용 특허 : 1

초록 ▼

The invention consists of a device which can be mounted on a conventional wheelchair to provide shock absorbing qualities to the wheelchair. Each wheel on the wheelchair is removed from its standard mounting position with a shock absorbing device of this invention being used to mount each wheel in a new position spaced longitudinally from its standard position. The device of the invention has a lever with one hole in front which is attached to the axle of the wheelchair by means of a bolt which passes through the hole in the axle and a nut attached to the end of the bolt. Another hole is located centrally in the lever for mounting of the wheel by means of a second bolt and a second nut. At the opposite end of the lever a hole is provided through which a spring is attached. The opposite end of the spring is attached to a rigid member of the wheelchair. In this manner, the weight of the chair and its occupant is supported by the spring tension of the spring. When the wheel of the chair hits a bump, the spring may flex, thus absorbing the shock.

대표청구항 ▼

In combination, a wheelchair and shock absorber, comprising: a rigid frame having a vertical frame member with an axle mounted thereon, a horizontal frame member attached to the lower portion of said vertical frame member; and wherein said shock absorber includes a lever member with one end of said lever member pivotally mounted on said axle, and wherein said wheel is rotatably mounted on said lever member at a point which is longitudinally spaced from the end of said lever member which is mounted on said axle, and a shock absorbing means which has one end attached to said lever member at a point which is longitudinally spaced from the end of said lever member which is mounted on said axle, the other end of said shock absorbing means being attached to one of said frame members; and further wherein said lever member comprises a first segment which extends for the entire length of said lever member, a second segment laterally spaced from and parallel to said first segment and extending from the center of said lever member to the end of said lever member which is longitudinally opposed to the point of attachment to said axle, and a third segment extending from the point of connection of said lever member to said axle to the middle of said lever member, said first and second segments of said lever member being connected by laterally extending connecting segment, said second and third segments being connected by a hollow tubular segment; and further wherein said lever member is attached to said axle by a bolt which passes laterally through said first segment and said thid segment.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Ferguson ; Andrew Marvin ; Keith ; Ernest Voshell, Shock absorber attachment for wheelchairs or the like.
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이 특허를 인용한 특허 (30) 인용/피인용 타임라인 분석

Houston Thomas T. (Erie CO) Metzger Raymond H. (Wheat Ridge CO), Combination wheelchair and walker apparatus.
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Duffy ; Jr. George Y. (Port Huron MI) Flum Ted O. (St. Clair MI), Folding wheelchair with improved frame and suspension system.
상세보기
Coleman Raquel, Multi-feature automated wheelchair.
상세보기
Goertzen, Gerold; Null, Jr., William A., Obstacle traversing wheelchair.
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Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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Goertzen, Gerold; Null, William A., Obstacle traversing wheelchair.
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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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Garven ; Jr. Douglas M. ; Chu Kevan L., Suspension wheelchair and wheelchair frame.
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Papi, Luciano; Smith, Steven Mark, Wheelchair.
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Tenniswood David M. (Troy MI), Wheelchair.
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Hugh W. Barclay CA, Wheelchair frame.
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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.
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Bekoscke, Robert; Jurkiewicz, Damon, Wheelchair suspension.
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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.
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Molnar, James H., Wheelchair suspension.
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Molnar, James H., Wheelchair suspension.
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Peterson Christopher J., 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] Wheelchair with shock absorber 원문보기