Automatic tensioning device

Details Automatic tensioning device Automatic tensioning device

1989-08-18

1990-11-27

Bui, Thuy M.

Endless belt power transmission systems or components

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

Pulley shifter

474135, 474138, F16H 712

Patent

active

049732900

ABSTRACT:
An automatic tensioning device for drive belts is equipped with a friction damper with low damping action against vibrations transmitted by the drive belt. A hydraulic shock damper has with high damping action is provided for large surge pulses. Preferably, the hydraulic shock damper an idle stroke in which the friction damper is active.

REFERENCES:
patent: 4752280 (1988-06-01), Brandenstein et al.

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