Bi-surface sealing mechanism with rolling/sliding O-ring

Details Bi-surface sealing mechanism with rolling/sliding O-ring Bi-surface sealing mechanism with rolling/sliding O-ring

1982-06-16

1983-12-06

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277173, 92169, 92248, 251DIG1, F16J 900, F16J 1556

Patent

active

044189249

ABSTRACT:
A sealing mechanism positioned between a movable piston wall and stationary cylinder wall concentric therewith. The sealing mechanism includes a circumferential groove formed in one of the concentric walls, and an O-ring positioned in the circumferential groove, the O-ring having a diameter less than the axial length of the groove and being compressed between a pair of opposing surfaces, a first surface formed integrally on the floor of the circumferential groove and a second surface formed integrally on one of the concentric walls. At least one of the pair of opposing surfaces has at least one upstanding serration for engaging the O-ring and forcing the O-ring to rotate when it moves from side to side in the circumferential groove.

REFERENCES:
patent: 2317034 (1943-04-01), Dalkin
patent: 2394364 (1946-02-01), Christensen
patent: 2614793 (1952-10-01), Storm
patent: 2640745 (1953-06-01), Wait
patent: 2738803 (1956-03-01), Manning
patent: 3466054 (1969-09-01), Berg
patent: 3806136 (1974-04-01), Warner et al.

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