Hydraulic roller

Details Hydraulic roller Hydraulic roller

1997-10-28

2000-10-03

Ellis, Christopher P.

Conveyors: power-driven

Conveyor section

Live roll

B65G 1306

Patent

active

061259934

ABSTRACT:
The present invention relates to a drive roller for endless-belt or chain-belt conveyors. It is powered by a hydraulic motor that is wholly enclosed within the roller. One shaft of the roller is stationary and is ported to permit passage of hydraulic fluid to and from the motor. The stationary shaft terminates in a flange that is bolted to the hydraulic motor end plate to provide simple yet robust support for the motor. The fluid ports are within this flange and are O-ring sealed. The second roller shaft rotates with the outer drum. This novel and simple design requires only one internal bearing thus greatly reducing the complexity and cost compared to prior art drive rollers. The hydraulic roller is readily mounted on existing conveyor structures.

REFERENCES:
patent: 3362686 (1968-01-01), MacKay
patent: 4082180 (1978-04-01), Chung
patent: 5732813 (1998-03-01), Nielsen et al.

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