Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1982-05-17
1985-01-08
Bonck, Rodney H.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
74 43, 74 96, 74590, F16H 2132
Patent
active
044921268
ABSTRACT:
In a heavy-duty pump jack as used in oil well pumping, a leverage beam is oscillated by a motor-driven crank and the leverage beam acts upon the walking beam through an adjustable stroke controller.
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Bonck Rodney H.
Dicke, Jr. Allen A.
House David D.
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