V-belt type continuously variable transmission

Details V-belt type continuously variable transmission V-belt type continuously variable transmission

1984-09-19

1986-04-29

Levy, Stuart S.

Endless belt power transmission systems or components

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

Speed responsive

474 19, F16H 1106

Patent

active

045854297

ABSTRACT:
A V-belt continuously variable transmission in which a V-belt is made to run on a drive pulley having a speed responsive mechanism and a driven pulley having a torque responsive mechanism. The torque responsive mechanism of the driven pulley includes a spring cap slidably mounted on a sleeve to which a fixed pulley half or sheave is affixed. The spring cap has a plurality of studs passing through openings formed through the fixed pulley sheave and connected to a movable pulley sheave slidingly mounted on the sleeve. Formed on opposed faces of the fixed pulley sheave and the spring cap are plural arcuate ramps, each including grooves into which balls are inserted to provide rolling contact and reduced friction between the opposed ramps.

REFERENCES:
patent: 3034367 (1962-05-01), Steuer
patent: 3082636 (1963-03-01), Steinlein
patent: 3967509 (1976-07-01), Teal
patent: 4360353 (1982-11-01), Hattori et al.
patent: 4378221 (1983-03-01), Huff et al.

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