192 clutches and power-stop control – Clutches – Plural clutch-assemblage
Patent
1981-07-15
1984-05-29
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Plural clutch-assemblage
192 4892, 192104B, 192103B, 192109R, F16D 2104
Patent
active
044509421
ABSTRACT:
A centrifugal clutch mechanism couples a first driven element to a drive element for rotary torque transmission at a first speed range from a rotary drive source to a load when the rotation of the drive source is lower than a predetermined reference speed. The centrifugal clutch mechanism includes a double-arm coupling lever pivoted to the drive element, a clutch pad or shoe pivoted to one end of the coupling lever and having a surface engagable with an inner surface of the first driven element, and a pair of centrifugal weights carried on the other end of the coupling lever. At least one flat spring is yieldably fastened to the weight or to a stop rigid on the drive element to be frictionally engaged by the stop or the weight, thereby resisting frictional oscillation of the clutch shoe on the coupling lever during a transition range between completely coupled and completely uncoupled mode of operation of the centrifugal clutch. The flat spring or springs may be so arranged as to be engaged by the coupling lever proper. A second driven element is coupled to the drive element by a one way clutch mechanism for rotary torque transmission at a second speed range, at which time the centrifugal clutch will be uncoupled.
REFERENCES:
patent: 1055071 (1913-03-01), Parker
Shinoda Akira
Takefuta Hideyasu
Bonck Rodney H.
Diesel Kiki Company, Ltd.
Merek James J.
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