Reamer

Details Reamer Reamer

1991-08-19

1993-03-02

Neuder, William P.

Boring or penetrating the earth

Ice boring

299 24, E21B 1032, E21B 1707

Patent

active

051901137

ABSTRACT:
A reamer consisting of an elongate body having a first end and a second end. At least one blade is secured to the first end of the elongate body. The blade is movable between an extended position wherein the blade extends radially at an angle from the elongate body and a retracted position wherein the blade is drawn in toward the elongate body. A handle is provided at the second end of the elongate body. The elongate body is inserted through a hole with the blade in the retracted position and then manually rotated to ream a remove end of the hole with the blade in the extended position. A lever is provided adjacent the handle at the second end of the elongate body for moving the blade between the extended position and the retracted position.

REFERENCES:
patent: 3749184 (1973-07-01), Andeen
patent: 4819744 (1989-04-01), Caswell

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