Torque operated, variable diameter belt sheave or chain sprocket

Details Torque operated, variable diameter belt sheave or chain sprocket Torque operated, variable diameter belt sheave or chain sprocket

1975-01-02

1976-05-18

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

7423023, F16H 5530, F16H 5554

Patent

active

039569446

ABSTRACT:
A variable ratio chain sprocket is disclosed wherein a plurality of chain engaging segments are slidingly affixed between a first pair of disks and are constrained to move in a radial direction with respect thereto. A second pair of disks, rigidly attached to a shaft, are disposed adjacent the first pair of disks and engage a projection on the segments in spiral slots. The torque applied to the sprocket controls the relative rotation between the first and second pair of disks and causes the chain engaging segments to move in a radial direction. The chain engaging segments have teeth movably attached thereto. The teeth are depressed radially inwardly when contacted on the top by a chain roller.

REFERENCES:
patent: 607322 (1898-07-01), Adams
patent: 3850045 (1974-11-01), Hagen

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