Connection between the equalizer beam and the walking beam of a walking beam type oil well pumping unit
Patent
·
OSTI ID:5146340
A connection between an equalizer beam and a tail shaft rotatably mounted near an end of a walking beam in an oil well pumping unit, is described comprising: a pair of support members spaced from one another lengthwise of the equalizer beam and being rigidly secured to the equalizer beam. Each support member has a integral arm extending laterally outwardly from the support member toward the other support member, generally parallel to the equalizer beam and spaced above the beam. The arms have curved, generally downwardly facing bearing surfaces adapted for engagement by the respective ends of the tail shaft, and retainer means associated with each support member for holding a 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.
- Assignee:
- Baker International Corp., Houston, TX
- Patent Number(s):
- US 4727760
- OSTI ID:
- 5146340
- Country of Publication:
- United States
- Language:
- English
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