Tensioner

Details Tensioner Tensioner

2011-05-24

2011-05-24

King, Bradley T (Department: 3657)

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...

C474S112000

Reexamination Certificate

active

07946938

ABSTRACT:
A tensioner comprising a base, an arm engaged with the base for oscillatory movement, a torsion spring engaged with the base and the arm, the torsion spring exerting a force on the arm, a damping mechanism exerting a frictional damping force between the base and the arm for damping an arm oscillation, the damping mechanism comprising a Belleville spring, the frictional damping force instantaneously adjustable by changing a Belleville spring force.

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