Primary drive chain tension adjuster

Details Primary drive chain tension adjuster Primary drive chain tension adjuster

1996-02-16

1998-03-24

Schoeppel, Roger J.

Endless belt power transmission systems or components

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

Tension adjuster has surface in sliding contact with belt

474135, F16H 708

Patent

active

057306745

ABSTRACT:
A primary drive chain tension adjuster having a hinged arm pivotably mounted to a base, and a low friction nylon ride mounted on the upper, opposite end of the hinged arm. A spring, preferably a urethane elastomer sheet, is positioned beneath the hinged arm. When the hinged arm is pivoted downwardly, the underside of the hinged arm compresses the urethane sheet, which exerts a spring force upwardly against the hinged arm. As a chain riding across the ride slackens, the urethane sheet forces the hinged arm upwardly taking up the slack in the chain.

REFERENCES:
patent: 4339506 (1982-07-01), Martin
patent: 4713043 (1987-12-01), Bierdermann
patent: 4921472 (1990-05-01), Young
patent: 5049114 (1991-09-01), Hayden
patent: 5266066 (1993-11-01), White
patent: 5425680 (1995-06-01), Young
patent: 5462493 (1995-10-01), Simpson

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