Post puller

Details Post puller Post puller

2006-10-24

2006-10-24

Watson, Robert C. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Lifter

Reexamination Certificate

active

07125000

ABSTRACT:
A winch-actuated post puller is disclosed which applies a substantially linear withdrawal force to a post to be removed from the ground. A post gripper is attached to a slider that rides on a vertical shaft. The slider is raised by means of a cable attached to a winch at or near the top of the vertical shaft. In one preferred embodiment, the winch is actuated by a reciprocating lever acting on a ratchet wheel via a pawl.

REFERENCES:
patent: 871083 (1907-11-01), Brown
patent: 5566924 (1996-10-01), Shirk
patent: 6527250 (2003-03-01), Tyson
patent: 6938881 (2005-09-01), Grapes

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