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US Patent: 242,362
Auger
Patentee:
William L. Parmelee (exact or similar names) - Ansonia, CT

USPTO Classifications:
408/212

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. Clay Smith
Jno. Robert Edson

Patent Dates:
Applied: Mar. 31, 1881
Granted: May 31, 1881

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Cutting lips angle down (i.e. toward the wood) fairly sharply from the lead screw. The primary purpose is to achieve a clean exit at the end of the cut by leaving additional material for the lead screw to maintain purchase in, as the bit approaches the back side of the material.

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