Engaging noise preventing device for gear transmission device

Details Engaging noise preventing device for gear transmission device Engaging noise preventing device for gear transmission device

1995-04-03

1998-06-02

Marmor, Charles A.

Machine element or mechanism

Gearing

With brake means for gearing

74467, 277152, 384485, 384582, F16F 1512, F16H 5514, F16T 1532

Patent

active

057585415

ABSTRACT:
In an elastic frictional member including: a core ring fitted on a sleeve fixedly mounted on a shaft; and an elastic element engaged with the outer cylindrical surface of the core ring, a plurality of small protrusions are extended from the outer surface of a lip forming a part of the elastic element; that is, from a slide surface of the elastic element which is in slide contact with the inner cylindrical surface of a shaft hole formed in the gear. The small protrusions of the lip are in point contact with the inner cylindrical surface of the shaft hole of the gear; that is, the outer surface of the lip from which the small protrusions are extended is spaced from the inner cylindrical surface of the shaft hole of the gear, thus allowing the formation of a lubricant film in the space. The lubricant film thus formed maintains the friction coefficient substantially constant.

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patent: 5143382 (1992-09-01), Maringer
patent: 5143385 (1992-09-01), Sponagel et al.
patent: 5195757 (1993-03-01), Dahl
patent: 5350181 (1994-09-01), Horve
patent: 5427387 (1995-06-01), Johnston

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