Tensioner

Details Tensioner Tensioner

1989-12-12

1991-04-02

Novosad, Stephen 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

188166, 267 70, 267168, 474138, F16B 202, F16B 2100, F16D 326

Patent

active

050044486

ABSTRACT:
In a tensioner, a friction brake locks the advancement of a tension rod by a friction force provided and a tension rod advances from a casing by the pressurizing of the compression spring to maintain a belt, chain or the like in a suitable tension state. A coil portion is outwardly inserted through the tension rod in a closely contacted state and one end of the coil portion is latched to the casing, while another end forms a friction brake which is an operation end to cause an enlargement or the shrinkage of the diameter of the coil portion, by which the advancement and the removal of the tension rod is performed.

REFERENCES:
patent: 99475 (1870-02-01), Rhinelander
patent: 3246868 (1966-04-01), Martens et al.
patent: 3405791 (1968-10-01), Kaplan
patent: 4392840 (1983-07-01), Radocaj
patent: 4457741 (1984-07-01), Hoeptner
patent: 4533027 (1985-08-01), Otani et al.
patent: 4696663 (1987-09-01), Thomey et al.
patent: 4725260 (1988-02-01), Komorowski et al.

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