Motor saw, especially motor chain saw

Details Motor saw, especially motor chain saw Motor saw, especially motor chain saw

1976-06-21

1979-02-20

Wyche, Benjamin W.

192 clutches and power-stop control

Clutch and brake

Peripheral brake

192 484, 192 485, 192 89A, 192108, 192 89B, 192DIG2, 30122, F16D 2108, F16D 6702

Patent

active

041402090

ABSTRACT:
A clutch arrangement for a motor driven chain saw having a first clutch element driven by the motor shaft and a second clutch element normally engaged with the first clutch element but disengageable therefrom and a centrifugal clutch between the second clutch element and the drive sprocket for the saw chain. The second clutch element includes a spring disc and is axially yieldable between clutch engaged and clutch disengaged positions. A lever is provided moveable for disengaging the clutch elements and a brake member connected to the lever is operable for braking the drive sprocket when the clutch elements are disengaged.

REFERENCES:
patent: 3361165 (1968-01-01), Irgens
patent: 3839795 (1974-10-01), Dooley
patent: 3938633 (1976-02-01), Dietzsch et al.

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