Conveyor roller insert

Details Conveyor roller insert Conveyor roller insert

1998-05-15

1999-02-02

Bidwell, James R.

Conveyors, chutes, skids, guides, and ways

Rollerways

Rollers

B65G 1300

Patent

active

058652906

ABSTRACT:
A roller insert for a conveyor roller tube includes a substantially cylindrical cartridge which is shaped to be press fitted into the tube, and may be removable and replaceable. The cartridge has an outboard lip shaped to engage an outer edge of the roller tube and includes a side wall and an annularly shaped inboard backstop. A stub axle is positioned within the cartridge and has a hex shaped tip, which preferably is tapered, projecting outwardly to engage a mounting hole in a conveyor frame. Inboard and outboard bearings are provided to allow rotational movement of the cartridge relative to the stub axle and conveyor frame. The axle includes a retainer, such as a key or bead, which engages the outboard bearing to prevent overextension of the axle. A bushing is mounted on the outboard bearing to facilitate slidable movement of the axle relative to the bearings. A coil spring biasing member is mounted on the axle to urge the axle outwardly from the cartridge.

REFERENCES:
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patent: 3888343 (1975-06-01), Snyder
patent: 3899063 (1975-08-01), Pollard
patent: 4664243 (1987-05-01), Martin
patent: 5421442 (1995-06-01), Agnoff

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