Cam actuated lubrication pump

Details Cam actuated lubrication pump Cam actuated lubrication pump

1975-05-15

1977-02-08

Oechsle, Anton O.

Lubrication

Lubricators

Force feed

308 84, 417214, 417471, F16N 1310

Patent

active

040067971

ABSTRACT:
A lubrication pump comprises a housing having a cup-shaped member reciprocally mounted thereon, a rod secured to the member and disposed internally thereof, a piston slidably mounted on the rod to define an expansible working chamber between the piston and the housing, a first check valve for communicating lubricating fluid into the chamber upon upward movement of the piston and a second check valve for communicating pressurized lubricating fluid exteriorly of the pump upon downward movement of the piston. A first coil spring is preferably mounted between the piston and member whereas a second coil spring is preferably mounted between the base of the housing and the piston.

REFERENCES:
patent: 1000722 (1911-08-01), Danver
patent: 1213747 (1970-01-01), Clehm
patent: 1382490 (1921-06-01), Erickson
patent: 1868629 (1932-07-01), Cowles
patent: 1958396 (1934-05-01), Renfrew
patent: 2320140 (1943-05-01), Kocher
patent: 3050001 (1962-08-01), Links

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