Coil spring chain tensioner

Details Coil spring chain tensioner Coil spring chain tensioner

1995-11-30

1997-07-15

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

F16H 708

Patent

active

056478127

ABSTRACT:
A chain tensioner having a shoe, a coil spring, and a bushing disposed through the coils of the spring. The shoe has a chain wear surface and a spring wear surface. The coil spring has a coiled section and two legs extending away from the coiled section which contact the spring wear surface of the shoe. The legs of the coil spring impart a spring force on the shoe and cause the shoe to tension a chain.

REFERENCES:
patent: 2963918 (1960-12-01), Blakstad
patent: 3148555 (1964-09-01), Peras
patent: 5055088 (1991-10-01), Cradduck et al.
patent: 5277667 (1994-01-01), Gardner et al.
Buick 3800 Coil Spring Tensioner.
Thirteen pages of drawings containing proprietary material, dated 1988-1992 .

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