Braking system of chain saw

Details Braking system of chain saw Braking system of chain saw

1978-02-22

1979-05-29

Reger, Duane A.

Brakes

Wheel

Transversely movable

30381, B60T 1304

Patent

active

041564774

ABSTRACT:
A braking system including a sensing lever operated when the forward portion of a chain saw moves upwardly with a jerk due to a kickback phenomenon or the hand of an operator slips from a handle during operation, a brake device, and a direct-acting interlocking member connecting the sensing lever to the brake device. A force exerted on the sensing lever and a force of a spring locking the sensing lever are both transmitted to the brake device through the interlocking member.

REFERENCES:
patent: 3776331 (1973-12-01), Gustafsson
patent: 3970178 (1976-07-01), Densow
patent: 3992779 (1976-11-01), Marks et al.

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