Gear type grease pump

Details Gear type grease pump Gear type grease pump

1996-11-06

1998-03-24

Verdier, Christopher

Lubrication

Lubricators

Force feed

184 46, 1841052, 222259, 222261, 4182061, 4182064, F16N 1320, F16N 1106

Patent

active

057302502

ABSTRACT:
A gear type grease pump includes a motor fixed on the top surface of a base plate, a gear type pump fixed on the bottom surface of the base plate, the pump having a pair of gears engaged with each other and rotationally driven by the motor for rotating, a housing body and a bottom cover for accommodating the two gears, and a grease inlet and a grease outlet opposite to the grease inlet both provided on the housing body. A grease sweeping blade is located below the bottom cover and driven by the pump. A sealing ring is fixed along the bottom surface periphery of the base plate. A perforated mesh hood is located within the sealing ring and encloses the gear type pump and the grease sweeping blade. And a grease path is provided inside the base plate to communicate with the grease outlet path when the pump is fixed on the base plate, and the outlet of the grease path is connected with a conventional grease gun. Since the entire grease pump is loaded with grease, the grease having the tendency to flow into the grease inlet is fed into the pump, and the pump steadily squeezes out the grease.

REFERENCES:
patent: 2624422 (1953-01-01), Molyneux
patent: 2810496 (1957-10-01), Gray
patent: 3780830 (1973-12-01), Helgerud et al.
patent: 4534493 (1985-08-01), Sedran
patent: 4629405 (1986-12-01), Hidasi et al.
patent: 4790456 (1988-12-01), Nakane et al.
patent: 5257723 (1993-11-01), Bagung
patent: 5468132 (1995-11-01), Snell et al.

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