Quick release device for chain saws

Details Quick release device for chain saws Quick release device for chain saws

1992-05-21

1993-10-05

Yost, Frank T.

Cutlery

Cutting tools

Saw

30381, 411348, 411393, 411522, B27B 1702

Patent

active

052493628

ABSTRACT:
A quick release device for use with chain saws and which is adapted to quickly attach a bar and chain to the motor assembly of the chain saw. The quick release device comprises a body having an upper jaw and lower jaw. The jaws are adapted to engage notched ends of studs extending from a motor assembly and thereby clamp the bar and chain to the motor assembly. A rotatably threaded shaft cooperates with the body in a unique manner such that turning of the shaft in a manner which causes a clamping action actually biases the jaws away from one another. A head is located on the threaded shaft with a plurality of apertures so that one can readily engage an aperture with a tool thereby facilitating manipulation of the head.

REFERENCES:
patent: 2352392 (1944-06-01), Kost
patent: 3232325 (1966-02-01), Hamilton
patent: 3453926 (1969-07-01), Engelmann
patent: 4382334 (1983-05-01), Reynolds
patent: 4677746 (1987-07-01), Raiski
patent: 4819335 (1989-04-01), Alexander

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