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특허 상세정보

Collapsible support structure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/638; 280/035; 248/161
출원번호 US-0636426 (2003-08-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 32  인용 특허 : 5
초록

A collapsible support structure has pairs of leg members (17) pivotally joined intermediate their length in crossed fashion by a connection member (18) that is capable of sliding longitudinally with the pivotal joint as the leg members extend in a scissors--like manner to support an object.

대표
청구항

We claim: 1. A collapsible support structure comprising an upper frame and a lower frame spaced below the upper frame in substantially underlying relationship, the upper frame adapted to be collapsed onto the lower frame from a predetermined height above the lower frame, first and second pairs of leg members, each having inner and outer telescoping barrels with opposed ends that can be extended or contracted, said pairs of leg members spaced laterally apart and the opposed ends of each barrel being pivotally connected between the upper and lower frames ...

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