Damper apparatus for an autotensioner

Details Damper apparatus for an autotensioner Damper apparatus for an autotensioner

1994-07-28

1996-10-29

Schoeppel, Roger J.

Endless belt power transmission systems or components

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

Tension adjuster or shifter driven by electrical or fluid motor

474133, F16H 708

Patent

active

055691056

ABSTRACT:
An autotensioner for use in applying a tension to a moving belt, having a damper apparatus which can follow a sudden change in tension of the belt by improving the piston and plunger structure of the damper apparatus so that the viscous fluid has a liquid surface kept high even when the plunger rises its uppermost position to prevent air from entering underneath the piston.

REFERENCES:
patent: 4708696 (1987-11-01), Kimura et al.
patent: 4904230 (1990-02-01), Kawashima et al.
patent: 4911680 (1990-03-01), Kodama et al.
patent: 4940447 (1990-07-01), Kawashima et al.
patent: 4950209 (1990-08-01), Kawashima et al.
patent: 4986796 (1991-01-01), Kawashima et al.
patent: 5167402 (1992-12-01), Nakakubo et al.
patent: 5186690 (1993-02-01), Yamamoto

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