Pulley assembly

Details Pulley assembly Pulley assembly

1982-07-23

1986-01-14

Leppink, James A.

Endless belt power transmission systems or components

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

Speed responsive

474 8, F16H 1106

Patent

active

045643571

ABSTRACT:
A pulley comprises two flanges. One is a fixed flange and the other is movable axially between two extreme positions, an advanced position and a retracted position. Between the two flanges is a variable transmission device such as a belt, for example. This is in contact with both flanges and is mounted so as to be movable radially relative to the flanges. With the movable flange are associated disengagable retaining means able to hold it temporarily and in a controlled manner in its retracted position. Also associated with the movable flange are control means adapted to release it. The disengagable retaining means are on the side of the extreme position of the movable flange opposite the position it occupies in the unoperated configuration. The pulley assembly is applicable to variable transmission drive systems, and in particular to variable transmission drive systems for automobile vehicles.

REFERENCES:
patent: 3750486 (1973-08-01), Belanger
patent: 3958461 (1976-05-01), Aaen et al.

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