Emergency braking system of chain saw

Details Emergency braking system of chain saw Emergency braking system of chain saw

1985-09-26

1988-01-26

Bonck, Rodney H.

192 clutches and power-stop control

Clutch and brake

Peripheral brake

30381, 188 77R, F16D 6702

Patent

active

047211938

ABSTRACT:
An emergency braking system of a chain saw including a hand guard located in front of a front handle bar, and an inertia trigger. The hand guard is pivotally supported by a body of the chain saw and urged by the biasing force of a spring to move downwardly so that its lower end is located in spaced juxtaposed relation to a lever of an actuation device. The inertia trigger is pivotally supported at one end thereof by the hand guard and biased so as to thereby prevent the hand guard from moving downwardly.

REFERENCES:
patent: 3776331 (1973-12-01), Gustafsson
patent: 4140209 (1979-02-01), Muller
patent: 4156477 (1979-05-01), Nagashima et al.
patent: 4282958 (1981-08-01), Zindler
patent: 4324045 (1982-04-01), Hoppner et al.
patent: 4367813 (1983-01-01), Wieland et al.
patent: 4420885 (1983-12-01), Todero
patent: 4493400 (1985-01-01), Nagashima et al.
patent: 4553326 (1985-11-01), West
patent: 4560040 (1985-12-01), Morner et al.
patent: 4586588 (1986-05-01), Nagashima et al.

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