Pump jack

Details Pump jack Pump jack

F - Mech Eng,Light,Heat,Weapons

04

B

103/142, 166/27

F04B 9/02 (2006.01) F03B 13/02 (2006.01) F04B 47/02 (2006.01)

Patent

CA 1051267

ABSTRACT An improved pump jack for reciprocating an oil well pump. The improved jack having a unique geometric design wherein the pump includes horizontal push rods for pushing a polish rod load around the radius of a sector head thereby greatly reducing the load on a sampson post and producing a greater mechanical advantage in the raising and lowering of the pump.

269379

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