192 clutches and power-stop control – Clutches – Operators
Patent
1976-07-29
1977-10-25
Wyche, Benjamin W.
192 clutches and power-stop control
Clutches
Operators
192 78, 192111T, F16D 4306
Patent
active
040552411
ABSTRACT:
A centrifugal clutch mechanism according to the present invention includes a pair of spaced clutch shoes, one being a power shoe and the other being an energizing shoe, that are movably supported by a rotor element that is rotated by a drive source. A clutch housing having an internal cylindrical surface for mating engagement with the clutch shoes is connected to a rotatable driven element and is rotatable along with the rotor element responsive to forces transferred to the clutch housing from the clutch shoes. Clutch energization or expansion is induced by a centrifugally movable modulating arm having a cam roller that has operative engagement with a cam surface provided on the energizing shoe. Centrifugally induced movement of the modulating arm is controlled by a slippage control spring and by an anti-self-energizing spring. A drive block supported by the rotor element transfers forces to the power shoe in a predetermined vectored relationship which may be modified by the angular relationship of the drive block engagement with the drive shoe.
REFERENCES:
patent: 1937971 (1933-12-01), Mack
patent: 2048435 (1936-07-01), Dodge
patent: 2099676 (1937-11-01), Coffing
patent: 2104014 (1938-01-01), Banker
patent: 2330160 (1943-09-01), Tix
Jackson James L.
Wyche Benjamin W.
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