Metal tools and implements – making – Blank or process – Augers
Patent
1976-04-19
1977-03-22
Moon, Charlie T.
Metal tools and implements, making
Blank or process
Augers
29428, 29558, 145116R, 408173, B21K 502
Patent
active
040129705
ABSTRACT:
A boring tool for woodworking, and more particularly, a method of manufacturing the cutter head from a blank of cylindrical tool steel bar stock. The opposite ends of the cylindrical blank are turned to the desired radius for the cutter head, a transverse internally threaded recess is provided along a diameter of the blank at its mid-length, and the blank is machined to provide a central hub surrounding the recess with oppositely directed radial arms extending therefrom. The surface of the blank opposite the recess is faced to provide cutting edges, and a shank and lead screw are fixed in the recess.
REFERENCES:
patent: 222970 (1879-12-01), Wenchel
patent: 1492803 (1924-05-01), Koeln
patent: 2418320 (1947-04-01), Simmons
patent: 2483220 (1949-09-01), Morrow
patent: 2883888 (1959-04-01), Stewart
patent: 3491422 (1970-01-01), Kelly et al.
Hintz Doran M.
Steinberger Lief H.
Moon Charlie T.
Moore Gerald L.
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