192 clutches and power-stop control – Clutches – Operators
Patent
1981-10-30
1984-05-08
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
192 75, 192103B, 192104B, 30381, 30382, F16D 4324, F16D 4318, B23D 5702, B27B 1710
Patent
active
044469543
ABSTRACT:
A centrifugal clutch for power saws. The clutch includes a rotating driven centrifugal weight carrier, and a clutch drum which is concentric to the axis of rotation of the carrier. At least one centrifugal weight engages the clutch drum at predetermined speed of the carrier. The centrifugal weight is coupled with at least one return weight in such a manner that the return weight opposes the pressing force of the centrifugal weight when the speed increases over a certain level.
REFERENCES:
patent: 2392950 (1943-04-01), Russell
patent: 2808905 (1957-10-01), Bohl
patent: 3169618 (1962-01-01), Hoffmann
patent: 3839795 (1974-10-01), Dooley
patent: 3845672 (1974-11-01), Goscenski
patent: 3970178 (1976-07-01), Densow
patent: 4053980 (1977-10-01), Poehlman
patent: 4324045 (1982-04-01), Hoppner et al.
Bonck Rodney H.
House David D.
Ottesen Walter
Stihl Andreas
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