Auger wiper

Details Auger wiper Auger wiper

1975-05-09

1976-07-13

Leppink, James A.

Boring or penetrating the earth

With above-ground cleaner for boring means

E21B 4100

Patent

active

039688461

ABSTRACT:
A wiper for scraping debris from between the convolutions of an earth boring auger. The wiper comprises a "daisy-like" wheel having radially extending peripheral fingers successively engagable between the convolutions of the auger to scrape debris therefrom. The wheel is mounted adjacent the auger for rotation about an axis disposed in a plane generally normal to the longitudinal axis of the auger whereby, when the wheel is engaged with the auger, rotational and/or longitudinal movement of the auger functions to rotate the wheel to successively move its fingers into and out of engagement between the convolutions of the hanger. An hydraulic cylinder is provided to selectively move the wheel into or out of engagement with the auger.

REFERENCES:
patent: 1356125 (1920-10-01), Chattstrom
patent: 1602375 (1926-10-01), Gibson
patent: 1612186 (1926-12-01), Gibson

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