Variable speed flat belt transmission

Details Variable speed flat belt transmission Variable speed flat belt transmission

1976-05-10

1977-05-24

Geoghegan, Edgar W.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7423017A, 7423017F, F16H 5552

Patent

active

040247724

ABSTRACT:
The subject transmission includes a pair of pulleys mounted for rotation on spaced parallel axes, each pulley having axially spaced sets of oppositely inclined guideways for adjustably receiving drive elements which engage the internal face of an endless flat belt extending around the pulleys and transmitting power from one to the other; one set of guideways on each pulley is axially movable relative to the other to adjust the drive elements toward and away from the pulley axis and vary the effective diameters of the pulleys thus changing the drive ratio of the transmission. Fluid pressure responsive actuators effect the relative movement of the guideways to change pulley diameters under a suitable control system which may be manual or automatic.

REFERENCES:
patent: 2916927 (1959-12-01), Opper
patent: 3596528 (1971-08-01), Dittrich et al.

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