Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Tie rod tensioner
Patent
1983-08-29
1985-09-24
Schmidt, Frederick R.
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Tie rod tensioner
254124, E21B 1900
Patent
active
045428808
ABSTRACT:
An apparatus for driving fence post into the ground operable with a tractor having a power lift mechanism with two lift arms pivotally connected to the tractor for moving upwardly and downwardly in response to hydraulic force applied thereto, the apparatus including two lever arms pivotally connected to the chassis of the tractor, a rigid bar connecting the rear ends of the two lever arms, a pivot arm member rigidly connected to the rigid bar and extending upwardly therefrom, a base member rigidly mountable on the rear of the tractor chassis having a support arm member extending upwardly therefrom, and an elongated drive member pivotally connected to the upper end of the support member and to the pivot arm member for driving posts or stakes into the ground.
REFERENCES:
patent: 2662729 (1953-12-01), Fountain
patent: 2888245 (1959-05-01), Anderson
patent: 3129924 (1964-04-01), Froh
patent: 4258905 (1981-03-01), Brabander
Hartman Judy J.
Ray David L.
Schmidt Frederick R.
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