End face track seal with dirt seal

Details End face track seal with dirt seal End face track seal with dirt seal

1996-05-14

1998-06-09

DePumpo, Daniel G.

Wheel substitutes for land vehicles

With means to remove or exclude foreign matter

With peripheral seal between bushing and track link

305103, 277 92, B60S 162, F16J 1538

Patent

active

057639566

ABSTRACT:
An end face seal for sealing between first and second articulately coupled members of a track joint is disclosed. The seal is provided with a flexible dirt shield of elastomeric material. The dirt shield extends radially outwardly from the seal ring and has a distal end that is adapted to sealingly engage the first member at a location externally of the load ring to prevent the ingress of abrasive materials between the seal ring and the load ring and eliminate the abrasive erosion of the load ring, thereby maintaining the axial seal bearing force of the load ring against the seal ring throughout the useful life of the seal.

REFERENCES:
patent: 3273901 (1966-09-01), Schmengler
patent: 4094516 (1978-06-01), Morley et al.
patent: 4240642 (1980-12-01), Roussin
patent: 4275890 (1981-06-01), Reinsma
patent: 4284281 (1981-08-01), Reinsma

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