Post driver

Details Post driver Post driver

1987-12-14

1990-11-20

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

405231, 173129, 173130, B23B 4516, B25D 100

Patent

active

049714791

ABSTRACT:
A post driver for inserting or removing marker posts into the ground. The driver comprises two components, the hammer and the bracket, which cooperate in a safe and efficient means for installing and removing marker posts. The hammer locks around the post and the bracket attaches to the vertically aligned holes which are located on the face of the post.

REFERENCES:
patent: 55586 (1866-06-01), McClay
patent: 900140 (1908-10-01), Whitehill
patent: 3242997 (1966-03-01), Tokola
patent: 3454113 (1969-07-01), Holtz
patent: 3499497 (1970-03-01), Moore
patent: 4298075 (1981-11-01), Sweeney
patent: 4494612 (1985-01-01), Bell
patent: 4641715 (1987-02-01), Stinson et al.
"2 plus 2 Post Driver/Puller", advertising circular, The Porter Company; date, unknown.

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