Steel post puller

Details Steel post puller Steel post puller

1993-01-15

1993-11-16

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Lifter

E21B 1900

Patent

active

052616428

ABSTRACT:
A generally rectangular upright sleeve is provided for downward telescoping over a metal fence post of the type that is generally T-shaped in cross section. The sleeve includes interior structure which enables the sleeve to slide downwardly along the associated fence post but releasably prevents upward movement of the sleeve along the fence post thereby enabling an upward thrust on the sleeve to be transferred to the post for pulling the post from the ground.

REFERENCES:
patent: 333577 (1886-01-01), Watson
patent: 785801 (1905-03-01), Davis et al.
patent: 1107955 (1914-08-01), James
patent: 1277906 (1918-09-01), Gilborne
patent: 1666454 (1928-04-01), Johnson
patent: 4040601 (1977-08-01), Boardman
patent: 4161310 (1979-07-01), Parker
patent: 4422621 (1983-12-01), Ekern
patent: 4726565 (1988-02-01), Keller
patent: 4738433 (1988-04-01), Hoff
patent: 5022632 (1991-06-01), Beideck

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