Earth anchor drive process

Details Earth anchor drive process Earth anchor drive process

1974-09-03

1976-06-08

Purser, Ernest R.

Tool driving or impacting

Processes

52742, 61 5368, 173163, 175 19, 175 57, E02D 722, E02D 580

Patent

active

039616711

ABSTRACT:
A medium duty earth anchor of the type having one or two single turn helixes near the lower end of a rod is driven into the earth by means of a hand-held drive tool having a vertical quarter horsepower split phase motor, a step-down gear train which reduces the drive speed to 6 r.p.m., and a vertical socket which drivingly engages the head of the rod.

REFERENCES:
patent: 1203138 (1916-10-01), Schuler
patent: 2569528 (1951-10-01), Kandle
patent: 2975848 (1961-03-01), Roberts
patent: 3032126 (1962-05-01), Rexine
patent: 3177736 (1965-04-01), Kilmartin et al.
patent: 3429386 (1969-02-01), Secrist et al.
patent: 3465181 (1969-09-01), Colby et al.
patent: 3645055 (1972-02-01), Roza
patent: 3662195 (1972-05-01), Wielt
patent: 3830315 (1974-08-01), Love
patent: 3832861 (1974-09-01), Jahnke

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