Liquid pumping device

Details Liquid pumping device Liquid pumping device

2006-08-22

2006-08-22

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

C141S027000, C141S059000, C141S302000, C137S205000, C184S001500, C417S118000, C417S148000

Reexamination Certificate

active

07093624

ABSTRACT:
A liquid pumping device includes a barrel, a cylinder, a conducting rod, a piston, an operation lever, and a cover. Thus, the liquid pumping device is operated automatically by the power source or operated manually by the operation lever to suck the liquid from the suction pipe into the inside of the barrel rapidly, so that the liquid pumping device is operated automatically and manually, thereby greatly enhancing the versatility of the liquid pumping device.

REFERENCES:
patent: 5450924 (1995-09-01), Tseng
patent: 6722855 (2004-04-01), Tien-Tsai

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