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Wheelchair suspension

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B60K-001/00    A61G-005/04    B60G-003/20   
미국특허분류(USC) 180/065.1; 180/907; 180/065.51; 280/124.104; 280/755
출원번호 US-0568623 (2012-08-07)
등록번호 US-8794359 (2014-08-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Calfee, Halter & Griswold LLP
인용정보 피인용 횟수 : 1  인용 특허 : 244
초록

A suspension for a vehicle is provided. The suspension includes, for example, a frame, at least one drive assembly and at least one caster pivot arm. The at least one drive assembly and the at least one caster pivot arm are pivotally connected to the frame at a common pivot axis such that the drive assembly and the front caster pivot arm are pivotable relative to one another.

대표
청구항
▼

1. A wheelchair suspension comprising: a frame;a drive assembly pivot arm pivotally connected to the frame;a front caster pivot arm that comprises a four bar linkage that comprises an upper curved link and a lower curved link, wherein the upper curved link of the four bar linkage and the drive assembly pivot arm are independently pivotally connected to the frame at a common pivot axis between the upper curved link and the drive assembly pivot arm such that the drive assembly and the front caster pivot arm are independently pivotable relative to one anoth...

이 특허에 인용된 특허 (244)

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이 특허를 인용한 특허 피인용횟수: 1

  1. Mulhern, James P.; Antonishak, Stephen J.. Elevated height wheelchair. USP20181110130532.

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