Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Lifter
Patent
1980-11-28
1982-12-28
yost, Frank T.
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Lifter
254129, 254130, 254131, 254132, 269 43, E21B 1900
Patent
active
043657869
ABSTRACT:
A construction tool for moving, positioning and holding a workpiece, such as a pipe or beam, or the like, relative to a selected work area, which may be the earth's surface, a pipe, a beam or other type of support. The tool includes a base, an upright support, a swivel, a pivoted lever and anchor means for securing the lever in a predetermined attitude relative to the upright support. The base in a selected form is readily interchanged with the upright support by a telescoping joint secured by a pin. This pin joint allows several extended positions of the upright support relative to the base for easy height adjustment. A universal swivel joint atop the upright support mounts the pivoted lever. The length of the lever at its mounting to the swivel head may be readily adjusted between selected lengths. One end of the lever is secured to the workpiece, e.g., by a chain, and the other end of the lever is secured by an anchor chain to the base to maintain it in a desired attitude.
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