Idler roller

Details Idler roller Idler roller

1985-10-16

1987-06-16

Leppink, James A.

Endless belt power transmission systems or components

Static electricity eliminator

474192, 361212, F16H 5536

Patent

active

046733809

ABSTRACT:
An idler roller consists of a roller body which comprises a plastic core having a bore to accommodate an idler shaft and a shell of polyurethane located around the core to provide a tubular load-bearing wall. Bearing assemblies are located within the roller body at each end thereof for receiving the idler shaft. A channel-shaped metallic insert is embedded in the shell, the insert spiralling around the whole length of the core. An electrically conductive clip or the like connects the metallic insert to a bearing assembly to drain any electrostatic charge formed on the surface of the polyurethane shell away from the shell via the bearing assembly to the idler shaft.

REFERENCES:
patent: 628521 (1899-07-01), Campbell
patent: 1966587 (1934-07-01), Klein
patent: 2120875 (1938-06-01), Tatnall
patent: 2295134 (1942-09-01), Smith
patent: 2996646 (1961-08-01), Wilson

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