Clutch assembly with combined variable and fixed speed pulleys

Details Clutch assembly with combined variable and fixed speed pulleys Clutch assembly with combined variable and fixed speed pulleys

1987-05-14

1989-08-15

Friedman, Carl D.

Endless belt power transmission systems or components

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

Speed responsive

474 33, F16H 1106

Patent

active

048570338

ABSTRACT:
The present invention relates to a clutch and a pulley assembly which provides a unique arrangement for mounting a clutch mechanism, a fixed pulley, and a variable speed pulley about a common mounting hub. More specifically, the invention includes an axially extending mounting hub adapted to be coupled to a rotatable drive shaft. A fixed speed pulley is rotatably mounted on the hub and is adapted to be coupled to a first belt for driving a first external device. A variable speed pulley is rotatably mounted on the hub and it is adapted to be coupled to a second belt for driving a second external device. The fixed and variable speed pulleys are coupled together to prevent rotation of the pulleys relative to one another. A clutch mechanism is mounted on the hub for selectively locking the hub to the fixed and variable speed pulleys. The clutch is shiftable between a released position wherein the pulleys can rotate relative to the hub and an engaged position wherein the clutch resists relative rotational movement between the hub and the pulleys.

REFERENCES:
patent: 2641981 (1953-06-01), Pilsner
patent: 2759581 (1956-08-01), Jacobs
patent: 3015237 (1962-01-01), Musgrave
patent: 3127969 (1964-04-01), Hansen
patent: 3129797 (1964-04-01), Orcutt et al.
patent: 3230787 (1966-01-01), Siegal
patent: 3386545 (1968-06-01), Hansen
patent: 3608387 (1971-09-01), Fox
patent: 4027544 (1977-06-01), Kobayashi
patent: 4617005 (1986-10-01), Jaccod et al.

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