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US Patent: 737,231
Tap-Borer
Ratcheting Tap Borer
Patentee:
Edward G. Hayne (exact or similar names) - Ottawa, IL

USPTO Classifications:
175/327, 408/139, 81/29

Tool Categories:
woodworking tools : hand drills : drill bits : tapered reamers
woodworking tools : hand drills : auger handles

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank Sweger
George P. Hills

Patent Dates:
Applied: Oct. 30, 1902
Granted: Aug. 25, 1903

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Intended for cutting holes in pipe, this ratcheting tap borer is designed to work in one direction only.

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