Lubrication – Lubricators – Cylinder lubricators
Patent
1981-09-16
1985-02-19
Brown, David H.
Lubrication
Lubricators
Cylinder lubricators
184 29, 184 39, F01M 900, F16N 714
Patent
active
044999682
ABSTRACT:
Lubricator for bores in members, the lubricator being particularly useful for the lubrication of bores of small diameter with a lubricant of high viscosity. The lubricator has an applicator in the form of an elongated composite plunger having an outer tubular part and inner rod-like part disposed within the tubular part and reciprocable relative thereto. The inner part has an enlarged head thereon disposed axially outwardly of the confronting outer end of the outer tubular part, the head and the confronting end of the outer tubular part in the initial stage of operation of the lubricator defining a toroidal gap which receives and retains lubricant which it picks up as the outer end of the composite plunger travels through a reservoir for lubricant and thence into the bore of the member. The outer and inner parts of the plunger are then reciprocated relative to each other to narrow or close the gap, following which the plunger is withdrawn from the bore, distributing the lubricant therealong as it is retracted from the bore.
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Brown David H.
Griffiths, Jr. John E.
Halkey-Roberts Corporation
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