Sealing mechanism for bearings

Details Sealing mechanism for bearings Sealing mechanism for bearings

1982-10-21

1984-05-22

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, F16J 1532

Patent

active

044497172

ABSTRACT:
For a bearing mechanism, a pair of oil seals are installed within an outer cylindrical housing and elastically encircle a rotating or reciprocating shaft extending concentrically through the housing. Each of the oil seal is made of rubber or synthetic resin and has a prop ring made of steel wire extending underground through a radially outer portion of the oil seal. The prop ring is partly cut out and thus provides a radially outwardly directed elasticity for close adhesion to the inner surface of the housing. The radially outer portion of the oil seal extends in a radially inward direction to form an oil sealing lip and a dust sealing lip, with a narrow dog-legged portion at an intermediate portion of the oil seal which permits the oil seal to be flexible in a radial direction. An additional seal having substantially a similar elements and structure may be installed as a dust seal.

REFERENCES:
patent: 3223426 (1965-12-01), Reid
patent: 3440122 (1969-04-01), McCormick
patent: 4102538 (1978-07-01), Bertin
patent: 4108447 (1978-08-01), Scholin

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