Hand operated hydraulic pump having pressurized reservoir within

Details Hand operated hydraulic pump having pressurized reservoir within Hand operated hydraulic pump having pressurized reservoir within

1991-10-03

1993-10-12

Look, Edward K.

Power plants

Pressure fluid source and motor

Pump means moves motive fluid from one chamber to an...

60478, 60479, F16D 3102

Patent

active

052514455

ABSTRACT:
An airless hand held hydraulic pump unaffected by gravity continuously maintains pressure on the fluid in a dynamic reservoir chamber to enable pumping into a dynamic pressure chamber for actuating a forcing rod irrespective of the orientation of the pump. A release valve permits fluid return from the pressure chamber into the reservoir chamber. The pump can be fitted with a tool such as a door forcer.

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patent: 5105622 (1992-04-01), Lindner

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