Tensioner for a power transmitting member of an internal combust

Details Tensioner for a power transmitting member of an internal combust Tensioner for a power transmitting member of an internal combust

1997-12-01

1999-08-03

Jeffery, John A.

Endless belt power transmission systems or components

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

Load responsive tension adjuster or shifter

474111, F16H 708, F16H 722

Patent

active

059317540

ABSTRACT:
A tensioner for the chain or the belt of an internal combustion engine, for example of the camshaft drive, includes a cylindrical tensioner housing (2) with a piston (1) loaded by a compression spring (13) arranged therein, the tensioner housing and the piston being axially displaceable relative to each other. The displaceable element which is displaceable relative to the fixed element in chain tensioning direction, is surrounded by a first stop ring which limits its backward movement. According to the invention, the first stop ring is configured as a retaining clip (15) whose arms engage into a locking groove (16) of the tensioner housing (2) under radial pre-stress and, upon a displacement thereof, can come to bear axially against a stop surface of the receiving housing (3).

REFERENCES:
patent: 4874352 (1989-10-01), Suzuki
patent: 4889087 (1989-12-01), Bergsten
patent: 5030169 (1991-07-01), Kiso et al.
patent: 5116284 (1992-05-01), Cho
patent: 5304099 (1994-04-01), Deppe et al.
patent: 5370584 (1994-12-01), Todd
patent: 5658212 (1997-08-01), Meurer et al.
patent: 5700214 (1997-12-01), Kuznets et al.
patent: 5704860 (1998-01-01), Stief
patent: 5720684 (1998-02-01), Mott
patent: 5785619 (1998-07-01), Nakakubo et al.

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