Shaft coupling and shifting mechanism for pneumatic pump

Details Shaft coupling and shifting mechanism for pneumatic pump Shaft coupling and shifting mechanism for pneumatic pump

2005-10-04

2005-10-04

Look, Edward K. (Department: 3745)

Motors: expansible chamber type

Cyclically operable

Working member controlled motive fluid for distributor motor

C091S307000, C091S313000

Reexamination Certificate

active

06951163

ABSTRACT:
Fluid pump assembly driven by a reciprocating piston, having an improved coupling between a driving shaft and a driven shaft and a fast-shifting switching mechanism for changing the direction of movement to the piston.

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