Motor chain saw

Details Motor chain saw Motor chain saw

1973-02-14

1976-02-17

Scott, Samuel

192 clutches and power-stop control

Clutches

Plural clutch-assemblage

192105BA, F16D 4700

Patent

active

039386333

ABSTRACT:
A motor chain saw in which serially arranged clutches are interposed between the motor output shaft and the chain of the saw. The clutches include a centrifugal clutch and a mechanically controlled clutch. The mechanically controlled clutch has at least one drive element having an engaged position and a disengaged position and is acted on by centrifugal force urging it toward the position which it occupies. A spring urges the device element toward engaged position with a force less than the centrifugal force which acts on the drive element above a certain speed. The mechanically controlled clutch includes at least one control operable to move the drive element in at least disengaging direction during rotation of the clutch.

REFERENCES:
patent: 2068185 (1937-01-01), Kreis
patent: 3369638 (1968-02-01), Hunt et al.
patent: 3503478 (1970-03-01), Neumann
patent: 3785465 (1974-01-01), Johansson

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