Device for tensioning a chain

Details Device for tensioning a chain Device for tensioning a chain

1976-07-12

1977-08-09

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

742421A, 7424211R, 7424214R, F16H 710, F16H 712

Patent

active

040403050

ABSTRACT:
A tensioning device for a run of a chain comprises a toothed roller, for engagement with the chain, rotatably mounted on a crank-pin which is rotated about an axis by resilient means to bring the roller into tensioning contact with the chain. Angular movement of the crank-pin is limited by means carried by the output member of a freewheel. This output member is urged by further resilient means which are weaker than the first mentioned resilient means in the direction to tension the chain.

REFERENCES:
patent: 3647270 (1972-03-01), Althaus
patent: 3926063 (1975-12-01), Mayfield
patent: 3978737 (1976-09-01), Bailey

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