Corrosion-resistant heavy duty conveyor roller

Details Corrosion-resistant heavy duty conveyor roller Corrosion-resistant heavy duty conveyor roller

1992-05-26

1993-06-08

Olszewski, Robert P.

Conveyors, chutes, skids, guides, and ways

Rollerways

Rollers

198780, B65G 1302

Patent

active

052170993

ABSTRACT:
The construction of a conveyor roller, for handling heavy corrosive loads such as large lead-acid type batteries of the type used in forklift trucks and the like, is made corrosion-resistant by utilizing two appropriate plastic materials: one for an electrically insulated resilient roller body and the other for a pair of rigid corrosion-resistant long-life sleeve bearings which never require lubrication. The roller body may be cut to length from continuously extruded plastic hollow bar material such as PVC, providing an economical roller with a resilient surface. The sleeve bearings, pressed into recesses at each end of the roller, made from plastic rod material such as polypropylene having suitable rigidity and bearing properties, engage the roller rotatably on a steel shaft which is captively mounted in a conveyor assembly. The central bore of the roller portion is dimensioned to provide a designated clearance around the shaft.

REFERENCES:
patent: 4111087 (1978-09-01), Pankratz et al.
patent: 4314629 (1982-02-01), Shilander et al.
patent: 4385683 (1983-05-01), Krupp
patent: 4524861 (1985-06-01), Matsushita
patent: 4645071 (1987-02-01), Faulkner

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