Connection between the equalizer beam and the walking beam of a

Details Connection between the equalizer beam and the walking beam of a Connection between the equalizer beam and the walking beam of a

1986-09-19

1988-03-01

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

403152, 403316, F04B 4702, F16D 100

Patent

active

047277602

ABSTRACT:
The invention is directed to a connection between the equalizer beam and the walking beam in a walking beam type oil well pumping unit, the walking beam having a tail shaft rotatably mounted generally perpendicular to the longitudinal axis of the beam. The connection comprises an equalizer beam and two support members spaced from one another lengthwise of the equalizer beam and rigidly secured to the beam, each support member having an arm extending outwardly toward the other support member, and each arm having a curved downwardly-facing bearing surfaces adapted to be engaged by a respective end of the tail shaft. A retainer associated with each support member holds its respective end of the tail shaft in engagement with the downwardly-facing bearing surface when forces tending to separate the shaft from the bearing surface are applied to the shaft.

REFERENCES:
patent: 1058987 (1913-04-01), Labudde
patent: 1396435 (1921-11-01), Jackson
patent: 2515360 (1950-07-01), Vail
patent: 2522625 (1950-09-01), Lundgren
patent: 3005353 (1961-10-01), Gallaway
patent: 3183728 (1965-05-01), Ramsdell
patent: 3999873 (1976-12-01), Green et al.
patent: 4377092 (1983-03-01), Garmong

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