Unit tensioner

Details Unit tensioner Unit tensioner

1991-06-25

1993-09-21

Britts, Ramon S.

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

474140, F16H 708

Patent

active

052464040

ABSTRACT:
A unit tensioner for a chain or belt comprising a tensioning unit mounted on a base plate and an arched, sliding shoe pivotally mounted on a pin fixed to the base plate so that a cap portion of a tension rod, extending from the tensioning unit, abuts the inner arch surface of the shoe to pivot the shoe so that the chain or belt slides against the outer arched surface of the shoe to tighten the chain or belt and to prevent wear of the cap portion or wear of the mating chain or belt.

REFERENCES:
patent: 3964331 (1976-06-01), Oldfield
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patent: 4425104 (1984-01-01), Ojima
patent: 4466802 (1984-08-01), Ojima et al.
patent: 4472161 (1984-09-01), Ojima
patent: 4702726 (1987-10-01), Ojima et al.
patent: 4722720 (1988-02-01), Ojima et al.
patent: 4743224 (1988-05-01), Yoshikawa et al.
patent: 4826468 (1989-05-01), Friedrichs
patent: 4902266 (1990-02-01), Ojima et al.
patent: 4934984 (1990-06-01), Ojima

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