Shaft seal with flexible midportion and garter spring

Details Shaft seal with flexible midportion and garter spring Shaft seal with flexible midportion and garter spring

1986-07-15

1988-06-14

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277163, 277164, F16J 1532

Patent

active

047507489

ABSTRACT:
Shaft seal consisting of an annular body of elastic material, comprising a fastening flange (1;12), a substantially axially extending flexible hinge portion (6;13) and a sealing lip (7;14). The fastening flange, hinge portion and sealing ring (5) form a single piece, and the sealing ring (7;14) has a cylindrical contact surface with the shaft extending over substantially the entire length of the sealing ring. This length is sufficient to receive one or more tensioning elements (10,11; 15,16) of an operative width to guide the sealing ring concentrically on the shaft over its entire axial length.

REFERENCES:
patent: 2437901 (1948-03-01), Winkeljohn
patent: 4168070 (1979-09-01), Tsuchihashi et al.

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