T-post puller claw

Details T-post puller claw T-post puller claw

2007-03-06

2007-03-06

Watson, Robert C. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Lifter

Reexamination Certificate

active

11294064

ABSTRACT:
A T-post puller claw for pulling a T-post out of the ground includes a claw body having a first panel, a second panel, and an included angle therebetween. The first panel defines a triangular opening to slide over a T-post. The second panel defines a keyhole opening for receiving a length of chain and a first chain-securing slot. The second panel further defines a second chain-securing slot. When a length of chain is threaded into the T-post puller claw, one chain link is received by the first slot and a different chain link is received by the second slot. When a lifting force is applied to the length of chain, the T-post puller claw pivots into a clamping configuration against the T-post, enabling the T-post to be pulled out of the ground.

REFERENCES:
patent: D241506 (1976-09-01), Condos
patent: 4721335 (1988-01-01), Krenek, Jr.
patent: 4738433 (1988-04-01), Hoff
patent: 4792120 (1988-12-01), Egaas
patent: 4846445 (1989-07-01), Pfeffer
patent: D312196 (1990-11-01), Norona
patent: 5042591 (1991-08-01), Hull
patent: 5100104 (1992-03-01), Wagner
patent: D337412 (1993-07-01), Ruggles
patent: 5681030 (1997-10-01), Nall
patent: 5713559 (1998-02-01), McClarin et al.
patent: D431431 (2000-10-01), Allen et al.
patent: 6352242 (2002-03-01), Medearis

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