Power transmission system

Details Power transmission system Power transmission system

1980-04-15

1982-11-23

Staab, Lawrence J.

Endless belt power transmission systems or components

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

Speed responsive

474 15, 474 19, 474 46, F16H 5552

Patent

active

043603530

ABSTRACT:
A torque transmission system has driving and driven pulley units drivingly connected by an endless V-belt. Each of the driving and driven pulley units includes a stationary pulley rotatable with a shaft and a movable pulley disposed to define with the stationary pulley a circumferential continuous groove for receiving the V-belt. The movable pulleys of the driving and driven pulley units are axially resiliently biased so that the radii of the circles along which the V-belt engages the driving and driven pulley units are varied to change the speed-change ratio of the transmission system. The movable pulley of the driven pulley unit is axially shifted by fly weights. The driving and driven pulley units are provided with cam mechanisms each comprising a cam member and a follower member. When the load on the driven pulley unit is suddenly varied, the cam mechanisms are operative to keep constant the rotational speed of the driven pulley unit irrespective of variations in the load on the driven pulley unit.

REFERENCES:
patent: 2173661 (1939-09-01), Perrine
patent: 3362242 (1968-01-01), Watkins
patent: 3492884 (1970-02-01), Beaudoin
patent: 3599504 (1971-08-01), Taylor
patent: 3659470 (1972-05-01), Beaudoin
patent: 3908475 (1975-09-01), Takagi et al.
patent: 4216678 (1980-08-01), Butterfield et al.

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