US Patent: 125,076 - Improvement in Augers


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US Patent: 125,076

Improvement in Augers

Patentee:

Hiram Pitcher (exact or similar names) - Fond du Lac, WI

USPTO Classifications:

408/213

Tool Categories:

woodworking tools : hand drills : drill bits : auger bits

Assignees:

Hiram Pitcher - Fond du Lac, WI

H. Trowbridge - Fond du Lac, WI

G. O. Trowbridge - Fond du Lac, WI

Manufacturer:

Not known to have been produced

Witnesses:

George T. Trowbridge

C. D. Andrews

Patent Dates:
Granted:	Mar. 26, 1872

Patent Pictures:

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Description:

Bit with one straight cutting lip and one curved with its "spur" curved in toward the lead screw. The claim is that this will facilitate removing the chips, but rather than offering any reasoning, Pitcher simply asserts this will be shown in... "the practical operation of the implement."