Infinitely variable belt drive with low friction seals for the p

Details Infinitely variable belt drive with low friction seals for the p Infinitely variable belt drive with low friction seals for the p

1984-11-02

1986-08-26

Staab, Lawrence

Endless belt power transmission systems or components

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

Fluid pressure actuator for adjustment of member

74689, 92108, F16H 1104

Patent

active

046080325

ABSTRACT:
An infinitely variable power transmission mechanism comprising a driving sheave assembly and a driven sheave with a torque transmitting drive belt connecting the sheaves, a ratio controlling servo for changing the effective pitch diameter of the sheave assemblies, a belt loading servo for controlling the load capacity of the belt and relatively reduced friction diaphragm actuators for adjustably positioning movable sheave portions of the sheave assemblies, the belt and sheave assembly portions of the mechanism being in a housing area that is isolated from gearing portions of the mechanism.

REFERENCES:
patent: 2731534 (1956-01-01), Hansen et al.
patent: 3244013 (1966-04-01), Deschner
patent: 3600960 (1971-08-01), Karig et al.
patent: 4274520 (1981-06-01), Vander Hardtaberson
patent: 4304150 (1981-12-01), Lupa et al.
patent: 4455888 (1984-06-01), Wayman et al.
Bellofram Catalog (Rolling Diaphragms), 3/63, p. 6, FIG. 19, Mar. 1963.

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