Lubrication – Lubricators – Nipple or fitting
Patent
1982-06-28
1985-04-23
Brown, David H.
Lubrication
Lubricators
Nipple or fitting
137539, 13761403, 1376142, 141385, 184105C, F01M 118, F16N 2106
Patent
active
045124418
ABSTRACT:
An improved grease fitting of the type generally referred to as a blowdown fitting is provided, including a plurality of sealing means which enables lubricant to be safely injected into the lubricant supply system. An upper body is rotatable with respect to the main body, and pressure may be vented through a cap threaded to the upper body. A stinger assembly is rotatable with respect to both main body and the upper body, which enhances the life of the seal between the stinger and the main body. A sealing ball is provided between the stinger assembly and the cone, and is biased toward its seating surface by a spring adapted to enable a lubricant/polyester plasticizer mixture to pass through the fitting.
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Brown David H.
General Screw Products Company
Griffiths, Jr. John E.
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