Transmission drive pulley assembly with selective drive and inc

Details Transmission drive pulley assembly with selective drive and inc Transmission drive pulley assembly with selective drive and inc

1974-09-25

1976-05-25

Scott, Samuel

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

F16H 5552

Patent

active

039584615

ABSTRACT:
Disclosed herein is a variable transmission drive pulley assembly comprising a fixed sheave connected to a drive shaft for common rotation therewith, a movable sheave carried by the drive shaft for movement axially thereof relative to a retracted position spaced from the fixed sheave, a spring urging the movable sheave toward the retracted position in the direction away from the fixed sheave, speed responsive fly weights for displacing the movable sheave toward the fixed sheave, a second spring for augmenting the effectiveness of the speed responsive fly weights and a selectively operable control including a ratchet mechanism for regulating operation of the second spring independently of the rate of drive shaft rotations.

REFERENCES:
patent: 3362242 (1968-01-01), Watkins
patent: 3653283 (1972-04-01), Betz
patent: 3675500 (1972-07-01), Albertson
patent: 3709052 (1973-01-01), Lassanske
patent: 3777583 (1973-12-01), Talbot
patent: 3824867 (1974-07-01), Brooks

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