Quick release handlebar stem assembly for a bicycle

Details Quick release handlebar stem assembly for a bicycle Quick release handlebar stem assembly for a bicycle

2008-04-08

2008-04-08

Johnson, Vicky A. (Department: 3682)

Machine element or mechanism

Control lever and linkage systems

Elements

Reexamination Certificate

active

07353731

ABSTRACT:
A quick release handlebar stem assembly for a bicycle comprises a stem having a first pivotal connecting portion, a clamping portion formed on the stem, and a clamping member is pivotally connected to the clamping portion, the clamping member is provided with a retained portion; a quick-release locking clamp pivotally coupled the first pivotal connecting portion of the stem; a retainer pivotally coupled to the quick-release locking clamp is provided with a retaining portion for locking the retained portion of the clamping member; wherein the retainer can hook the clamping member when rotating the quick-release locking clamp, so that the clamping member will cooperate with the clamping portion to clamp and release a handlebar of a bicycle.

REFERENCES:
patent: 3304107 (1967-02-01), Bahmuller
patent: 5540465 (1996-07-01), Sisk
patent: 6058800 (2000-05-01), Giard
patent: 6234042 (2001-05-01), An
patent: 6827518 (2004-12-01), Hon
patent: 6948878 (2005-09-01), Smith et al.
patent: 6964425 (2005-11-01), Turner
patent: 2006/0099027 (2006-05-01), Liao
patent: 2007/0186716 (2007-08-01), Chen

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