Brake device for pushcart

Details Brake device for pushcart Brake device for pushcart

2008-05-06

2008-05-06

Williams, Thomas (Department: 3683)

Brakes

Vehicle

Cart

C188S031000, C188S00200R

Reexamination Certificate

active

07367432

ABSTRACT:
A brake device for a pushcart includes a main movable member disposed movably within a main seat, an auxiliary movable member disposed movably within an auxiliary seat, and a connecting member interconnecting the main and auxiliary movable members. The main movable member is biased to an upper limit position, and is movable to a lower limit position so as to engage a main brake pin with a groove in a main pin-engaging member that is connected fixedly to one wheel. Hence, the connecting member moves the auxiliary movable member from a first position to a second position so as to engage an auxiliary brake pin with a groove in an auxiliary pin-engaging member that is connected fixedly to another wheel. As a result, the wheels are locked.

REFERENCES:
patent: 4479566 (1984-10-01), Ishii
patent: 4567964 (1986-02-01), Kassai
patent: 4997066 (1991-03-01), Bigo
patent: 5368133 (1994-11-01), Yang
patent: 6341672 (2002-01-01), Yang et al.
patent: 7059452 (2006-06-01), Chen
patent: 7175004 (2007-02-01), Kassai et al.
patent: 2004/0178025 (2004-09-01), Zweideck
patent: 2351131 (2000-12-01), None
European Search Report dated Jul. 18, 2007, for EP 05014250.4, in the name of Wonderland Nurserygoods Co., Ltd.

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