Auger bit having a replaceable tip

Details Auger bit having a replaceable tip Auger bit having a replaceable tip

1996-01-16

1998-10-13

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having central lead-screw

408230, B23B 5100

Patent

active

058203192

ABSTRACT:
The present invention is substantially a spiral type auger bit having a first end which is removably attachable to an auger tool and a second end which is of a shape and size to removably receive a replaceable tapered screw type biting tip therein.

REFERENCES:
patent: 21179 (1858-08-01), Barnes
patent: 166378 (1875-08-01), Higgins
patent: 716557 (1902-12-01), Klingensmith
patent: 778845 (1905-01-01), Cox
patent: 877831 (1908-01-01), Creedon
patent: 1389578 (1921-09-01), Charlton
patent: 2883888 (1959-04-01), Stewart
patent: 3426860 (1969-02-01), Peterson
patent: 3687565 (1972-08-01), Byers et al.
patent: 4625593 (1986-12-01), Schmotzer
patent: 5092719 (1992-03-01), Zsiger
patent: 5143163 (1992-09-01), Stiffler et al.
patent: 5244319 (1993-09-01), Cochran

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