Pole pulling apparatus and method

Details Pole pulling apparatus and method Pole pulling apparatus and method

1987-07-31

1989-04-18

Hail, III, Joseph J.

Implements or apparatus for applying pushing or pulling force

Portable implements or apparatus for tensioning flexible...

Including expansible chamber fluid motor drive

254 31, 294113, B66F 102

Patent

active

048220060

ABSTRACT:
An apparatus for removal of embedded utility-type poles which removes the poles quickly and efficiently from their embedded position without damage to the pole or surrounding structures. The apparatus includes at least 2 piston/cylinder members equally spaced about the pole, and a head member affixed to the top of each piston. Elongation of the piston induces rotation of the head into the pole to increase the gripping action and reduce slippage. Repeated actuation and retraction of the piston and head member will "jack" the pole from its embedded position.

REFERENCES:
patent: 953234 (1910-03-01), Rountree
patent: 975832 (1910-11-01), Clore
patent: 2484400 (1949-10-01), Brown
patent: 2654630 (1953-10-01), Renfroe
patent: 3163398 (1964-12-01), Eckels
patent: 3173658 (1965-03-01), Verrell et al.
patent: 3233868 (1966-02-01), Harvey et al.
patent: 3239263 (1966-03-01), Farmer et al.
patent: 3647185 (1972-03-01), Phibbs
patent: 4082192 (1978-04-01), Cox
patent: 4327534 (1982-05-01), Mastalski et al.

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