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...
Patent
1988-07-25
1989-05-30
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...
F16H 712
Patent
active
048346942
ABSTRACT:
Apparatus for applying an optimum tensioning force to an endless belt or the like, including a pivot defining a first pivot axis, a belt engagement element supported for rotation about the first pivot axis, a biasing element for urging the belt engagement element in a first direction of rotation about the pivot axis into belt-tensioning engagement with the belt, and a belt tension adjuster, responsive to externally induced changes in tension of the belt, for automatically varying the tensioning force applied to belt. The belt tension adjuster is disposed within the biasing element and includes a limiter for limiting the amount of decrease in applied tensioning force, whereby the tension in belt is optimally maintained.
REFERENCES:
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patent: 4392840 (1983-07-01), Radocaj
patent: 4472162 (1984-09-01), Hitchcock
patent: 4504252 (1985-03-01), Honma
patent: 4525152 (1985-06-01), Speer et al.
patent: 4536172 (1985-08-01), Burris et al.
patent: 4563167 (1986-01-01), Foster
patent: 4583962 (1986-04-01), Bytzek et al.
patent: 4723934 (1988-02-01), Thomey
Bui Thuy M.
Ina Bearing Co., Inc.
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