Positioning clamp

Details Positioning clamp Positioning clamp

1974-11-04

1976-03-02

Smith, Al Lawrence

Work holders

Relatively movable jaws

With means to fasten holder to support

51217R, 269165, 269237, 269254CS, B25B 104

Patent

active

039413632

ABSTRACT:
A positioning clamp for holding a workpiece properly oriented with respect to a work station adjacent the clamp. The clamp disclosed releasably holds saw chain during an operation such as grinding of a cutter in the chain. The clamp is releasable to permit the saw chain to be advanced in steps along a channel defined between jaw margins in the clamp. These jaw margins include portions which face each other, and that come against opposite sides of the saw chain when clamping it, which are shaped to complement the shape of the rivet ends usually provided in saw chain to hold it together. One jaw member is mounted for pivotal movement toward and away from the other to effect clamping and release positioning through a ball pivot. The jaw members are biased toward each other to exert a clamping pressure, and selectively operable means is provided for swinging the jaw members away from each other to produce release.

REFERENCES:
patent: 1536310 (1925-05-01), Rothlisberger
patent: 2821064 (1958-01-01), Nelson
patent: 3175353 (1965-03-01), Coffey
patent: 3855738 (1974-12-01), Guggenheim et al.

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