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US Patent: 111,648
Improvement in Augers
Patentee:
William A. Ives (exact or similar names) - New Haven, CT

USPTO Classifications:
408/214

Tool Categories:
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
W. A. Ives & Co. - New Haven, CT

Witnesses:
Charles Holt
E. I. Holt

Patent Dates:
Granted: Feb. 07, 1871

Patent Pictures: [ 1 | 2 | 3 | 4 ]
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Description:
Ives cites performance of gouge lip auger bits with less expensive manufacture. The floor, or cutter, lips slope upward on a plane and curve forward as they approach the lead screw, resulting in a reduction of splintering and a pulling cut, according to the claim.

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