Well pumping unit

Details Well pumping unit Well pumping unit

1986-05-19

1987-03-24

Aschenbrenner, Peter A.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74103, 292 51, F16H 2132

Patent

active

046515780

ABSTRACT:
An improved oil well pumping unit has an arc latch which is remotely actuable so that a workman is not required to climb onto, or be in the immediate vicinity of the arc, in order to move the arc to an inoperative position spaced from the centerline of the well.

REFERENCES:
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patent: 4092872 (1978-06-01), McClure
patent: 4501119 (1985-02-01), Stanton

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