Seal assembly for reciprocating members

Details Seal assembly for reciprocating members Seal assembly for reciprocating members

1991-01-22

1992-05-12

Footland, Lenard A.

Bearings

Linear bearing

Combined with seal or guard

384 38, F16C 2902

Patent

active

051121409

ABSTRACT:
A seal assembly for use in establishing a seal between the pump rod of a down the hole pump and the upper end of a bore casing. The seal assembly having a stuffing box supported by a body through which the pump rod extends. The stuffing box being mounted on a guide member having a ball section with the pump rod extending axially therethrough. The ball section being seated in bearings located in a chamber in the body so that the guide member and stuffing box may pivot relative to the body to accommodate angle misalignment of the pump rod. The bearings having freedom for lateral movement in the body chamber to establish axial alignment of the stuffing box with the pump rod.

REFERENCES:
patent: 2832650 (1958-04-01), Park
patent: 4483569 (1984-11-01), Smith
patent: 4729145 (1988-03-01), Egner-Walter et al.
patent: 4832161 (1989-05-01), Weiler et al.

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