Variable speed power transmission pulley and system

Details Variable speed power transmission pulley and system Variable speed power transmission pulley and system

1987-06-18

1988-11-01

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Including actuator interconnecting plural pulleys on spaced...

474 39, F16H 920

Patent

active

047816562

ABSTRACT:
A variable speed power transmission pulley and system are disclosed. The system includes a pair of spaced shafts each having a pulley keyed thereto, the effective diameter of which is adjustable. A flat band belt is entrained about annular elastomeric members carried on the surfaces of the pulleys to drivingly interconnect the pulleys. Each pulley includes a pair of slotted, interengaging conical pulley sections and the effective outer diameter of the pulley is variable by moving the conical sections axially toward or away from one another.

REFERENCES:
patent: 644702 (1900-03-01), Brooks
patent: 703359 (1902-06-01), White
patent: 704203 (1902-07-01), Moorhouse
patent: 1350670 (1920-08-01), Ritter
patent: 1664349 (1928-03-01), Burrow
patent: 2078196 (1937-04-01), Heyer
patent: 2233822 (1941-03-01), Schubbe
patent: 2548316 (1951-04-01), Locke
patent: 3177733 (1965-04-01), Yamano
patent: 3981205 (1976-09-01), Avramadis et al.

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