Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Load responsive tension adjuster or shifter
Patent
1982-06-24
1985-04-16
Staab, Lawrence J.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Load responsive tension adjuster or shifter
474133, 474134, F16H 712
Patent
active
045113483
ABSTRACT:
A tensioning apparatus for a power transfer mechanism utilizing an endless flexible member having a normally slack run and a normally taut run is disclosed wherein the tensioning apparatus is operable to take up the slack in the endless member under both normal operating conditions and reverse power conditions during which the normally slack run becomes taut and vice-versa. The tensioning apparatus varies the amount of tensioning force applied to each run of the endless member in response to the amount of tension within the respective run. A constant biasing force is applied to a pair of tensioning idlers through an elongated rod which positionally changes relative to the tensioning idler pivots to vary the amount of tensioning force applied by the tensioning idlers.
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Dhont André G. J.
Witdoek Daniel C.
Diehl Dwight G.
Marquette Darrell F.
Miller Larry W.
Seemar Frank A.
Sperry Corporation
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