Torque limiting device for roller conveyor live roller

Details Torque limiting device for roller conveyor live roller Torque limiting device for roller conveyor live roller

1978-02-23

1983-01-04

Valenza, Joseph E.

Conveyors: power-driven

Conveyor section

Live roll

B65G 1306

Patent

active

043668992

ABSTRACT:
A live roller for a roller conveyor has a torque limiting connection with drive mechanism whereby the roller is normally rotatably driven, enabling the roller to be stopped by a predetermined resistance to its rotation. The connection comprises a coaxial shaft portion on the roller on which a sprocket is rotatable and axially slideable. An endless chain of the drive mechanism drives the sprocket, which comprises a driving clutch member having axially opposite friction surfaces, one of which engages an opposing friction surface on a driven clutch member fixed to the shaft portion. A second driven clutch member, constrained to rotate with the shaft portion but slideable along it, has a friction surface opposingly engaging the other friction surface on the sprocket. A coiled expansion spring, surrounding the shaft portion and reacting between a lock nut threaded thereon and the second driven member, maintains the friction surfaces engaged under bias.

REFERENCES:
patent: 2712377 (1955-07-01), Eggleston

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