Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Tie rod tensioner
Patent
1983-08-16
1985-12-31
Schmidt, Frederick R.
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Tie rod tensioner
E21B 1900
Patent
active
045616361
ABSTRACT:
The fence post driving assembly is used with a vehicle having a draw bar and a three point lift arm mechanism having two outer lift arms and a safety link. The assembly is used to drive a fence post into the ground and comprises a first pulley member mounted on the draw bar of the vehicle and a second pulley member mounted at a location intermediate the two outer lift arms of the vehicle. The lift arms are movable between upper and lower working positions. A post engagement member directly contacts the top of the fence post to be driven into the ground. A line such as a cable extends from the post engagement member, around the first and second pulley members and then is anchored at the other end thereof at a location near the draw bar. The post engagement member has a lateral supporting structural configuration effective to prevent bending of a fence post when a driving force is exerted downwardly on the top of the fence post.
REFERENCES:
patent: 2456852 (1948-12-01), Anderson
patent: 2657010 (1953-10-01), Sabin et al.
patent: 2888245 (1959-05-01), Anderson
Moreland Roger
Moreland William
Hartman Judy J.
Markva Neil F.
Schmidt Frederick R.
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