Belt tensioner and method of making the same

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...

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F16H 712

Patent

active

054434246

ABSTRACT:
A tensioner for a power transmission belt that is adapted to be operated in an endless path and method of making the same are provided, the tensioner including a one-piece support member for being fixed relative to the belt, and a belt engaging arm movably carried by the support member, the support member having a pivot opening passing therethrough and having an annular surface disposed substantially concentrically about the longitudinal axis of the pivot opening thereof, the belt engaging arm having a pivot part thereof rotatably disposed in the pivot opening so as to rotate therein, the support member being formed of polymeric material and the belt engaging arm having an annular surface directly disposed in sliding engagement with the annular surface of the support member.

REFERENCES:
patent: 4596538 (1986-06-01), Henderson
patent: 4886483 (1989-12-01), Henderson
patent: 4952197 (1990-08-01), Henderson
patent: 5035679 (1991-07-01), Green et al.
patent: 5250009 (1993-10-01), Sidwell et al.
patent: 5348514 (1994-09-01), Foley

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