Quick release apparatus having a lock mechanism

Details Quick release apparatus having a lock mechanism Quick release apparatus having a lock mechanism

1992-08-10

1993-11-02

Stormer, Russell D.

Land vehicles: wheels and axles

Wheel

Hub

301111, B60B 2700

Patent

active

052578550

ABSTRACT:
A quick release apparatus for a bicycle includes a first clamp (6) mounted on one end of a drawbar (5) for acting on a bicycle frame (10), and a second clamp (9) mounted on the other end of the drawbar (5) for cooperating with the first clamp (6) to hold the frame (10) tightly therebetween. The second clamp (9) has a rotary cam (7) for moving the first clamp (6) and second clamp (9) relative to each other, and a rocking lever (8) for controlling the rotary cam (7). The rotary cam (7) is lockable to a tightening position by a locking element (14) which is switchable between a lock position and an unlock position. The locking element (14) is remains in the unlock position when a tightening force produced by the first clamp (6) and second clamp (9) approaching each other is less than a predetermined value. The locking element (14) is automatically switched to the lock position when the tightening force reaches the predetermined value.

REFERENCES:
patent: 4114409 (1978-09-01), Scire
patent: 4724692 (1988-02-01), Turnin et al.
patent: 4763957 (1988-08-01), Poehlmann et al.
patent: 4770011 (1988-09-01), Constant
patent: 4964287 (1990-10-01), Gaul

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