Pump Jack Crank and Method
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United States of America Patent
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Issued Date -
Nov 28, 2013
app pub date -
Aug 5, 2013
filing date -
May 12, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for cranking a shackle of a pump jack. The apparatus includes a shaft which fits through the shackle. The apparatus includes an arm rotatably attached to the shaft in proximity to a first end of an arm. The apparatus includes a handle for cranking the shaft. The handle having a locked state in which the handle is unable to rotate the shaft, and an unlocked state in which the handle is able to rotate the shaft. The handle attached to the arm in proximity to a second end of the arm. The handle extending essentially perpendicularly from the arm. The apparatus includes a locking mechanism engaging the arm at a pivot point and the shaft, the locking mechanism placing the handle in the locked state or the unlocked state by moving the arm about the pivot point to a first position where the handle extends inward toward the shackle or a second position where the handle extends outward away from the shackle, respectively. A method for cranking a shackle of a pump jack.
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