Idler pulley

Details Idler pulley Idler pulley

1978-11-13

1980-03-18

Husar, C. J.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

742427, 74DIG10, 308 18, 308237R, 308240, 403344, F16H 5548

Patent

active

041933109

ABSTRACT:
This invention relates to a two piece plastic idler pulley formed of identical portions including a hub, a web and a rim with identical fastening means on the two half portions which permit the two portions to be joined together as the idler pulley. The hub of the idler pulley has a through bore which is inversely tapered whereby the hub will flex when subjected to a workload and will capture the lubricant internally of the bore. The rim carries diverging means which extend radially and laterally outwardly from the rim to insure proper seating of power transmission means such as a belt. The diverging means also is capable of engaging the power transmission belt when it is inadvertently seated on the hub to move the belt into seated relationship on the rim for proper operation of the device.

REFERENCES:
patent: 1237950 (1917-08-01), Phillips
patent: 1751007 (1930-03-01), Kreissig
patent: 1852092 (1932-04-01), Schaum
patent: 2475459 (1949-07-01), Pendleton et al.
patent: 2615764 (1952-10-01), Leake
patent: 2924109 (1960-02-01), Carriveau
patent: 2958230 (1960-11-01), Haroldson
patent: 3785217 (1974-01-01), Peura
patent: 3871241 (1975-03-01), Pestka et al.
patent: 3947076 (1976-03-01), Lindeman
patent: 4012961 (1977-03-01), Cameron
patent: 4111063 (1978-09-01), Journey

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