Conveyors: power-driven – Conveyor section – Live roll
Patent
1979-08-27
1981-07-14
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Live roll
198790, B65G 1306
Patent
active
042781663
ABSTRACT:
An accumulating conveyor having a plurality of article carrier rollers arranged along the conveyor and employing drive wheels each of which has a peripheral drive surface adapted for driving engagement with at least one carrier roller. An annular groove is formed in the drive surface of each drive wheel and receives the drive reach of a drive cable therein so that the drive cable is disposed between the drive wheels and carrier rollers, the drive wheels being formed so as to effect increased frictional gripping with the drive cable when their drive surfaces are in driving engagement with the associated carrier rollers. In selected embodiments, the drive wheels act as clutch wheels and are mounted for controlled pivotal movement between driving and non-driving positions relative to the carrier rollers. Brake means may be provided to brake the carrier rollers when the clutch wheels are moved to their non-driving positions.
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