Chain tensioner apparatus and method

Details Chain tensioner apparatus and method Chain tensioner apparatus and method

1996-04-30

1998-01-27

Graysay, Tamara L.

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

474101, F16H 708

Patent

active

057117322

ABSTRACT:
A mechanical chain tensioner for automotive engine timing drives. This invention relates to a tensioner that must be packaged in a confined space and having limited access for installation. This tensioner with a shoe and spring is the last timing component to be installed and fastened to the engine using a shoulder bolt, and this is done after its support bracket, if used, and the timing chain and sprockets are already in place. In addition, the tensioner includes a retaining feature that assures the spring will remain within the shoe during shipping, installation, and use of the tensioner.

REFERENCES:
patent: 3276282 (1966-10-01), Duncan
patent: 3490302 (1970-01-01), Turner et al.
patent: 4921472 (1990-05-01), Young
patent: 5055088 (1991-10-01), Cradduck et al.
patent: 5266066 (1993-11-01), White
patent: 5286234 (1994-02-01), Young
patent: 5425680 (1995-06-01), Young

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