Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Tension adjuster has surface in sliding contact with belt
Patent
1984-09-25
1985-09-24
Staab, Lawrence J.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Tension adjuster has surface in sliding contact with belt
474110, F16H 708
Patent
active
045430799
ABSTRACT:
In a wrapping connector driving apparatus for agricultural machines including a chain reeved around sprocket wheels on two shafts, a tension adjusting device is provided on the slack side of the chain. A tightener bearing against the chain tensions the chain. A piston slidably fitting in an oil enclosing cylinder is pressed against the tightener by a resilient member. An abnormal load, when acting on the chain, is absorbed by the resilient member and the oil enclosed in the cylinder, which is provided with a passageway for releasing the increased internal pressure due to the abnormal load. When relieved of the load, the cylinder can be supplied with oil by way of a check valve. The tension on the chain is thus automatically adjustable.
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Matsuda Yoshiaki
Nagamine Yoshifumi
Oohashi Yoshimitsu
Sanpei Keiichi
Kubota Ltd.
Staab Lawrence J.
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