Tensioner for belts and chains

Details Tensioner for belts and chains Tensioner for belts and chains

1997-02-14

1999-10-19

Walsh, Donald P.

Endless belt power transmission systems or components

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

Guide roll mounted for movement of its axis along...

474101, 474117, 474135, 474136, F16H 712

Patent

active

059679239

ABSTRACT:
A tensioner for belts and chains having a housing (1) in which a cylinder (3) containing a slidably guided piston (4) is arranged which piston (4) is supported radially by a guide bush (5), one end of a compression spring (13) engaging the piston (4), while the other end thereof engaging a cylinder base (6) of the cylinder (3), which cylinder base (6) is axially supported on a housing bottom (9) by a self-adjusting bearing (10) whereby, to improve the correction of alignment errors between the cylinder (3) and the piston (4), a plurality of peripherally adjacent raised portions (10) made of a ductile material are arranged between the housing bottom (9) and the cylinder base (6) and are plastically deformable under loading by the spring-loaded cylinder base (6).

REFERENCES:
patent: 4300890 (1981-11-01), Hallmann et al.
patent: 4976660 (1990-12-01), Breindl
patent: 5482262 (1996-01-01), Hayakawa et al.
patent: 5658212 (1997-08-01), Meurer et al.
patent: 5713809 (1998-02-01), Yamamoto et al.

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