192 clutches and power-stop control – Clutches – Operators
Patent
1994-10-14
1997-01-28
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Operators
474 14, F16D 4306, F16H 5552
Patent
active
055970605
ABSTRACT:
A centrifugal actuator is provided for a centrifugal clutch. The centrifugal clutch includes a drive spider having a cam lever-following roller and a moveable clutch housing. The centrifugal actuator includes two bosses, each boss having a mechanism for coupling to the clutch housing. Each boss is formed to include a pin-receiving opening. The bosses are arranged in spaced-apart relation on the clutch housing to form a central slot therebetween. A cam lever having an interior wall arranged to define a D-shaped pin-receiving opening is positioned to lie in the central slot and is arranged to pivot to maintain engagement of the cam lever and the cam lever-following roller. A pivot pin is rotatably received in the pin-receiving openings of the two bosses and the D-shaped pin-receiving opening of the cam lever. The pivot pin includes an elongated flat exterior wall and an elongated curved exterior wall arranged so that a transverse cross section of the pivot pin is D-shaped. The entirety of the interior wall of the cam lever engages the pivot pin.
REFERENCES:
patent: 639415 (1899-12-01), Lutz
patent: 2651210 (1953-09-01), Clark
patent: 2743895 (1956-05-01), Tygh
patent: 3759111 (1973-09-01), Hoff
patent: 3986406 (1976-10-01), Prasad
patent: 4298112 (1981-11-01), Carstensen
patent: 4993280 (1991-02-01), Olkoski et al.
patent: 5305418 (1994-04-01), Tuttle
patent: 5326330 (1994-07-01), Bostelmann
Huddleston H. Mike
Sieb Charles W.
Bonck Rodney H.
Hoffco Inc.
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