Belt tensioner with bottom wall of base juxtaposed pivot arm

Details Belt tensioner with bottom wall of base juxtaposed pivot arm Belt tensioner with bottom wall of base juxtaposed pivot arm

1997-03-21

1999-10-12

Stodola, Daniel P.

Endless belt power transmission systems or components

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

Load responsive tension adjuster or shifter

474101, 474135, F16H 708, F16H 712

Patent

active

059646748

ABSTRACT:
A belt tensioner of the Zed type with a base member, a pivot-arm, a pivot-pin, a pulley attached to the pivot-arm, a torsional spring attached between the base member and pivot-arm, and wherein the base member has a "tube pan" shape with a cantilevered inner wall that supports the pivot-pin, a cantilevered outer wall, and a bottom wall interconnecting the inner and outer walls and oriented with the bottom wall juxtaposed the pivot-arm. Optionally, the spring is connected to a damping mechanism that generates a reaction force in generally the same direction as a belt force or hub load. In another embodiment, a second, damping spring generates a reaction force in generally the same direction as the belt force with a constant damping force.

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