Implements or apparatus for applying pushing or pulling force – Pipe or rod jack – Lifter
Patent
1976-09-09
1977-05-31
Jones, Jr., James L.
Implements or apparatus for applying pushing or pulling force
Pipe or rod jack
Lifter
254132, B66F 300
Patent
active
040265226
ABSTRACT:
A self-engaging post pulling apparatus is disclosed which is readily adapted for attachment to the rear lifting mechanism of most commonly used tractors. The post pulling apparatus comprises generally a horizontal support member having two opposed plates pivotably mounted thereon for frictionally engaging a post positioned therebetween. The plates are biased into a gripping position by helical springs, but may be remotely moved to a non-gripping position by cables affixed to the plates.
REFERENCES:
patent: 2482950 (1949-09-01), Toftey
patent: 3549126 (1968-08-01), De Vries
Jones Jr. James L.
Watson Robert C.
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