Post pulling apparatus with interchangeable working heads for pu

Details Post pulling apparatus with interchangeable working heads for pu Post pulling apparatus with interchangeable working heads for pu

1990-07-27

1991-06-11

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Pipe or rod jack

Lifter

254132, B25B 104

Patent

active

050226320

ABSTRACT:
A post pulling apparatus for pulling different types of posts includes an actuating device and different working heads. The actuating device is manually operable repetitively through a succession of work-producing strokes of movement. The working heads have different configurations for engaging and pulling different types of posts, such as a cross-sectional T-shaped metal post, a round wood post, and a rod-like metal electric fence post. The different working heads can be interchanged with one another in connected relation with an end of the actuating device and coupled with the respective post corresponding to the particular working head for engaging and lifting the post during each work-producing stroke of movement of the actuating device.

REFERENCES:
patent: 90559 (1869-05-01), Knott
patent: 580337 (1897-04-01), Smith
patent: 1778682 (1930-10-01), McManus
patent: 2926890 (1960-03-01), Majors
patent: 4191360 (1980-03-01), Morrison

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