Lubricant metering assembly

Details Lubricant metering assembly Lubricant metering assembly

1975-02-24

1977-04-19

Pinkham, Richard C.

Lubrication

Lubricators

Force feed

F16N 1104

Patent

active

040183050

ABSTRACT:
A lubricant metering assembly is disclosed comprised of a lubricant cup positioned within a housing and having a spring-loaded piston assembly including a stem which is caused to move within a cylindrically-shaped passageway including a stem guide formed in a housing. At least one channel of variable cross-sectional area is formed in the stem in a manner to result in an increase in the cross-sectional area of a supply passageway formed by the channel with the stem guide in precise relationship to a decrease in the compressional force of the spring.

REFERENCES:
patent: 509668 (1893-11-01), Liebing
patent: 1141720 (1915-06-01), Mastin
patent: 1479641 (1924-01-01), Battle
patent: 1675189 (1928-06-01), MacIndoe
patent: 2371633 (1945-03-01), Lippincott
patent: 2593972 (1952-04-01), Bray
patent: 3301578 (1967-01-01), Platt et al.
patent: 3498413 (1970-03-01), Krieger
patent: 3739877 (1973-06-01), Oliveri

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