Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-10-17
1986-09-23
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 15, 277 24, 277 29, 277 59, 277 72R, F16J 1518, F16J 1548
Patent
active
046131400
ABSTRACT:
A self-aligning and self-lubricating stuffing box for oil well polish rods, pump rods and the like, and comprising a housing disposed around the outer periphery of the rod and having an internal cooling chamber surrounding the outer periphery of the rod for retaining a fluid reservoir in engagement with the rod for an efficient lubrication thereof, at least one valved internal passageway provided in the housing for automatically directing the fluid to and/or from the cooling chamber as required during the operation of the polish rod during a well fluid production process, at least two longitudinally spaced bushing members disposed in the housing and in engagement with the outer periphery of the rod for assuring an efficient axial alignment between the housing and the rod during the reciprocation of the rod, and a swivel connection for overcoming any misalignment between the pump jack and the pumping "T" during the well production operation.
REFERENCES:
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patent: 3216731 (1965-11-01), Dollison
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patent: 4272084 (1981-06-01), Martinson et al.
patent: 4431199 (1984-02-01), Iwane
patent: 4466619 (1984-08-01), Adams
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