Grease pump

Details Grease pump Grease pump

1993-01-26

1994-09-06

Denion, Thomas E.

Lubrication

Lubricators

Force feed

184 452, 1841052, 4175551, 222256, F16N 312

Patent

active

053439821

ABSTRACT:
This invention relates to a grease pump and in particular to one including a body portion having a main tube and a cover threadedly engaged with an end of the main tube, an adjusting device mounted with the main tube and having a throttle valve, a steel ball, a seat, a first piston, and a first Venturi tube, a resilient member disposed within the first Venturi tube, a pumping device including a second Venturi tube, a sleeve, a second piston, two oil seals, a head, a packing and a nozzle, a sealing ring mounted between the nozzle and the head, whereby the grease pump may be operated with a single hand and is especially useful in a narrow space.

REFERENCES:
patent: 1494652 (1922-01-01), Wallace
patent: 1703278 (1929-02-01), Claud-Mantle
patent: 1884750 (1932-10-01), Koppelman et al.
patent: 2539846 (1951-01-01), Lewis et al.
patent: 2574744 (1951-11-01), Koepke

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