Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1982-05-10
1984-01-17
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 84, 277 92, 277 95, 277166, 277186, 305 11, F16J 1538, F16J 1532
Patent
active
044260911
ABSTRACT:
A seal arrangement for use in a track joint having a track pin and a cylindrical bushing on the pin and two track links. The end of the bushing and one of the track links present annular surfaces faced toward each other and spaced apart. The seal arrangement includes a seal ring of elastomer material and a thrust ring of rigid material. The seal ring has a body portion and two radially outwardly extending leg portions which contact the annular surfaces. The thrust ring is molded into the body portion of the seal ring and includes a plurality of cooperating axial recess portions and radial recess portions formed therein. The elastomer material of the seal ring extends into and fills the recess portions so as to form circumferentially spaced integral link portions around the thrust ring.
REFERENCES:
patent: 2509436 (1950-05-01), Isenbarger
patent: 3195906 (1965-07-01), Moyers
patent: 4179130 (1979-12-01), Fass et al.
patent: 4183542 (1980-01-01), Quartara
patent: 4204716 (1980-05-01), Baylor
patent: 4256316 (1981-03-01), Reinsma
J. I. Case Company
Ward Robert S.
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