Torque limiting roller drive for conveyors

Conveyors: power-driven – Conveyor section – Live roll

Patent

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Details

19878104, B65G 13071

Patent

active

058818626

ABSTRACT:
In a power driven roller conveyor having a plurality of rollers mounted on a driven shaft for supporting and transporting a work piece with a limiting drive force. The drive shaft is provided with concentrically disposed spacers, rollers, and bearings which are compressed between an end driving sprocket and an adjustable spring pressure plate on an opposite end and wherein adjustment of the axial compressor force produced by the end mounted spring pressure plate serves to vary the release torque of the individual rollers mounted on the shaft.

REFERENCES:
patent: 3610406 (1971-10-01), Fleischauer et al.
patent: 3942338 (1976-03-01), Furlette et al.
patent: 4006816 (1977-02-01), Werntz
patent: 4056953 (1977-11-01), Furlette et al.
patent: 4263789 (1981-04-01), Koepke et al.
patent: 4542861 (1985-09-01), Matshushita
patent: 4993541 (1991-02-01), Roh

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