Oil seal for lubricated tracks on a crawler tractor

Details Oil seal for lubricated tracks on a crawler tractor Oil seal for lubricated tracks on a crawler tractor

1984-10-22

1986-02-04

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 92, 305 11, F16J 1534

Patent

active

045680906

ABSTRACT:
A track link assembly in which an outer link end has an annular recess opening towards an inner link end and which further has a track bushing on the connecting pin or link extending through the inner link and fixed thereto. The bushing has an end facing the recess with an annular groove in that end. A comparatively hard seal ring is positioned in the recess and has an annular end portion conforming in shape and seated in the annular groove and extending radially and inwardly from that end to an opposite end that has a pair of annular lips, one of which engages a radial wall surface of the recess and the other of which engages the surface of the pin. The hard seal ring is provided with a comparatively resilient load ring that maintains seating between the lips and their respective surfaces and the one end of the hard seal ring and the annular groove.

REFERENCES:
patent: 4132418 (1979-01-01), Roli
patent: 4262914 (1981-04-01), Roley
patent: 4295654 (1981-10-01), Kawamura et al.
patent: 4331339 (1982-05-01), Reinsma
patent: 4344629 (1982-08-01), Oelke
patent: 4364572 (1982-12-01), Yamamoto et al.
patent: 4426091 (1984-01-01), Baylor
patent: 4504066 (1985-03-01), Horl

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