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특허 상세정보

Footed cart having normally disengaged wheels

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/4317 ; 280/46 ; 280/4314
출원번호 US-0613978 (1996-03-11)
발명자 / 주소
인용정보 피인용 횟수 : 52  인용 특허 : 2
초록

A cart includes a frame, a leg attached to the frame, and a wheel movable relative to the frame. A handle is operatively associated with the wheel and with the frame, whereby the work surface is in a normally stationary, inoperative position, and positive movement of the handle causes the wheels to engage the floor and place the work surface in an operative, movable mode. The work surface is engineered so that it is automatically returned to its stationary mode when no user is actively placing the work surface in its movable mode.

대표
청구항

A cart comprising: a) a frame having a front and a rear; b) at least one leg attached to said frame and extending away from said frame for normally engaging a support surface; c) at least two wheels movably attached to said frame, said at least two wheels including a front wheel and a rear wheel movable between respective operative and inoperative positions; d) said at least two wheels extending away from said frame, and said at least two wheels normally being in said inoperative position substantially free of contact with the support surface; e) a handl...

이 특허를 인용한 특허 피인용횟수: 52

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