Tensioner for a transmission belt

Details Tensioner for a transmission belt Tensioner for a transmission belt

1990-06-29

1992-06-09

Bui, Thuy M.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Pulley shifter

474138, F16H 708

Patent

active

051202778

ABSTRACT:
A tensioner for a power transmission belt is disclosed comprising a return spring associated mechanically with a tensioner roller with which the belt cooperates for controlling the movement of said roller under the action of said spring, wherein the vibrations likely to arise in the belt are damped by a rubber sheath integral with said spring for forming a chamber closed at its ends by seals, one at least of which has a nozzle for the inlet and/or outlet of air into and/or out of the chamber defined by said sheath and said seals.

REFERENCES:
patent: 2038968 (1936-04-01), Summers
patent: 4773892 (1988-09-01), Zarife et al.
patent: 4790801 (1988-12-01), Schmidt et al.

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