Land vehicles – Wheeled – Extensible
Patent
1996-04-17
1998-07-07
Young, Karen M.
Land vehicles
Wheeled
Extensible
280647, B62B 706
Patent
active
057757186
ABSTRACT:
A trolley folding assembly includes a driving device and a driven device. A person is able to fold the whole trolley with only one hand by first pressing a safety switch and then pulling a driving rod received within a link of the driving device.
REFERENCES:
patent: 4887834 (1989-12-01), Cabagnero
patent: 5447323 (1995-09-01), Huang
patent: 5454584 (1995-10-01), Haut et al.
patent: 5460398 (1995-10-01), Huang
patent: 5524503 (1996-06-01), Ishikura
patent: 5535483 (1996-07-01), Cabagnero
patent: 5536033 (1996-07-01), Hinkston
patent: 5622377 (1997-04-01), Shamie
patent: 5645293 (1997-07-01), Cheng
Friedman Stuart J.
Hess Douglas
Young Karen M.
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