Cutting machine and augering tool

Details Cutting machine and augering tool Cutting machine and augering tool

1976-03-22

1978-03-21

Purser, Ernest R.

Boring or penetrating the earth

Bit or bit element

Adjustable cutter element

299 82, E21B 900

Patent

active

040797961

ABSTRACT:
A machining and augering bit, particularly adapted for earth cutting, has a dual-headed tool holder. Each head receives a work piece which carries a rotatable tool bit. The head includes spaced apart first and second portions, the interior surfaces of which are opposed and which define a work-piece receiving area. A work-piece is received in the area and is utilized to mount to the tool a carbided throw-away cutting bit. With the cutting bit mounted on the work-piece which is seated in the area one of the portions shields a portion of the cutting bit to prevent its exposure to flying debris, as well as the area to be drilled.

REFERENCES:
patent: 558994 (1896-04-01), Snyder
patent: 2575239 (1951-11-01), Stephens
patent: 2930588 (1960-03-01), Lord
patent: 3024856 (1962-03-01), Henning
patent: 3453756 (1969-07-01), Schroeder
patent: 3765496 (1973-10-01), Flores et al.
patent: 3878905 (1975-04-01), Schaumann

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