Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1987-06-17
1989-03-07
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277125, 277148, 277173, F16J 1526
Patent
active
048099937
ABSTRACT:
A housing has an opening therein, a rod extends within the opening in the housing, and an annular seal arrangement is provided around the rod within the opening for effecting a fluid seal between the housing and the rod with respect to a fluid pressure which is present at a location along the rod on one axial side of the seal arrangement. The seal arrangement includes an annular washer part which is provided closely around the rod and an annular sleeve part axially adjacent the annular washer part, the annular sleeve part having an inside dimension which is less than an outside dimension of the washer part and which is substantially greater than an inside dimension of the washer part and an outside dimension of the rod. The washer part is located on a side of the sleeve part axially remote from the location at which the fluid pressure is present.
REFERENCES:
patent: 1776911 (1930-09-01), Jones
patent: 1780764 (1930-11-01), Noble
patent: 3316940 (1967-05-01), Gratzmuller
patent: 3801112 (1974-04-01), Dumaget
patent: 4306728 (1981-12-01), Huperz et al.
Sketches A, B, C, D and E of Existing Sealing Devices, date unknown.
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