Flute-wiping auger cleaner

Details Flute-wiping auger cleaner Flute-wiping auger cleaner

2007-10-23

2009-11-10

Gay, Jennifer H (Department: 3676)

Boring or penetrating the earth

With above-ground cleaner for boring means

C175S313000, C175S316000, C015S256530

Reexamination Certificate

active

07614463

ABSTRACT:
A flute-wiping auger cleaner has a laterally-shearing shackle, an axial track spaced parallel to the auger; and a traveling carriage on the track for supporting the shackle. The shackle includes a series of angularly-staged wiper blades to project into the flute of the auger and centrally stabilize the blades on the turning axis of the auger. The shackle is biased not only to pressure the wipers inwards towards the auger's cylindrical sidewall but also allow the shackle to open slightly against the force of the bias in event a blade cannot dislodge a difficult clump of fouling material in the flute. In that event, the blade is pushed out and then pressured back in as it rides over the difficult-to-dislodge clump. Spinning the auger causes the blades to travel the length of the helical flute while the shackle travels axially on the track.

REFERENCES:
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National Driller vol. 26, No. 12 Dec. 2005.

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