Chain tensioner

Details Chain tensioner Chain tensioner

1986-02-25

1987-12-15

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

F16H 708

Patent

active

047130431

ABSTRACT:
In a chain tensioner (116) having a piston (120) displaceable in a guide housing (118) along its axis (134) and having a tensioner bar (124) articulated to the guide housing (118) with pressure of the piston head (122) upon the tensioner bar (124), in one of the two parts, piston head and tensioner bar, a guide groove (140) extending substantially parallel to the longitudinal direction of the tensioner bar is provided in which there engages a guide protuberance (piston head 122 flattened off on both sides) formed in each case on the other part. This results firstly in a securing of the tensioner bar against lateral pivoting and nextly in a securing of the piston against rotation.

REFERENCES:
patent: 2963918 (1960-12-01), Blakstad
patent: 3455178 (1969-07-01), Ruoff et al.
patent: 3626776 (1971-03-01), Staudinger et al.
patent: 4395251 (1983-07-01), King et al.
patent: 4543079 (1985-09-01), Matsuda et al.

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