Snap-acting over-center chain saw safety brake and method of ope

Details Snap-acting over-center chain saw safety brake and method of ope Snap-acting over-center chain saw safety brake and method of ope

1974-10-15

1976-01-27

Jones, Jr., James L.

Cutlery

Cutting tools

Saw

30383, 188 77R, 188166, B23D 5702, B27B 1700

Patent

active

039343456

ABSTRACT:
A chain saw safety brake including a snap-acting, over-center actuating mechanism.
A chain saw safety brake and method of operation characterized by an actuation accelerator interposed between a brake mechanism and a brake actuating mechanism. A biasing means is operable to bias the brake actuating means toward a nonactuating position with a relatively lower biasing force. The biasing means is operable to bias the brake actuating means toward an actuating position with a relatively higher biasing force.

REFERENCES:
patent: 3292742 (1966-12-01), Thomas
patent: 3739475 (1973-06-01), Moore
patent: 3776331 (1973-12-01), Gustafsson
patent: 3793727 (1974-02-01), Moore

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