Roller drive unit

Details Roller drive unit Roller drive unit

1998-04-01

1999-10-05

Bidwell, James R.

Conveyors: power-driven

Conveyor section

Live roll

B65G 1302

Patent

active

059609346

ABSTRACT:
A roller drive unit to propel objects, in particular cargo containers, on a conveyor track is proposed, which comprises an electric motor (20) to rotate a drive roller (30). The drive roller (30) extends substantially across the entire width of a frame (10) of the roller drive unit and is subdivided in the middle to form two drive-roller components (31, 32). The two drive-roller components (31, 32) are rotatably mounted on the frame (10) in a bearing (33) in the middle of the drive roller. The roller drive unit comprises a lifting mechanism (41, 42) comprising paired components disposed symmetrically about the middle of the drive roller (30) and about the bearing (33). As a result of this symmetrical arrangement of the drive roller (30) and the lifting mechanism (41, 42), a good load distribution and a stable retention of the drive roller (30) in its raised position are achieved.

REFERENCES:
patent: 3690440 (1972-09-01), Macpherson
patent: 3737022 (1973-06-01), DeNeefe et al.
patent: 3899070 (1975-08-01), Lang
patent: 5351808 (1994-10-01), Sundseth
patent: 5660268 (1997-08-01), Paauwe et al.

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