Auto tensioner

Details Auto tensioner Auto tensioner

2007-09-11

2007-09-11

Charles, Marcus (Department: 3682)

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 arcuate...

C474S109000, C474S133000

Reexamination Certificate

active

10492236

ABSTRACT:
The boss portion of an arm is oscillatably supported with respect to a support member. A tension pulley is rotatably engaged with a tip portion of the arm. A guide plate is fixed to the axial tip portion of the support member to face the boss portion. A friction plate is sandwiched between the boss portion and the guide plate to apply an oscillational resistance to the boss portion by a spring. A vibration attenuating member is provided in the guide plate so as to control the vibration of the guide plate caused by a stick-slip phenomenon in contacting portions between the friction plate, boss portion and guide plate.

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