Autotensioner

Details Autotensioner Autotensioner

1992-03-02

1993-05-04

Bui, Thuy M.

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...

474110, F16H 708

Patent

active

052076202

ABSTRACT:
A belt autotensioner capable of adjusting the fluctuating belt tension smoothly and free of shaking motion of the belt and delay in action. A tension adjusting spring is coupled to an eccentrically pivotable pulley support member. A damper for damping the pivoting speed of the support member is provided between the support member and the fixed member. The fixed member is provided with a cam surface abutting a piston of the damper. The cam surface is tapered downwards in a direction in which the support member pivots in a direction to increase the belt tension.

REFERENCES:
patent: 4909777 (1990-03-01), Inoue et al.
patent: 4969858 (1990-11-01), Hertrich et al.

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