Lever arm pump

Details Lever arm pump Lever arm pump

1989-04-24

1990-10-09

Smith, Leonard E.

Pumps

Expansible chamber type

Moving cylinder

417307, 92119, F04B 1902

Patent

active

049616943

ABSTRACT:
A pump is described including an elongated cylindrical reservoir, a valve casing, at which the pump is pivotally fixed in space, and a pump chamber which are in a linear arrangement. A piston within the pump chamber is connected to a link, the end of which is pivotally fixed in space. A handle atop the reservoir is used to pump fluid from the reservoir to an attached device to be operated. Bores and check valves within the valve casing regulate the flow of fluid through the pump. A release mechanism which allows fluid to flow from the attached device to be operated back into the reservoir is activated by rotating the handle.

REFERENCES:
patent: 2282652 (1942-05-01), Henning
patent: 3399786 (1968-09-01), Honeycutt
patent: 3699851 (1972-10-01), Kennedy

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