US Patent: 130,826 - Improvement in hollow augers


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US Patent: 130,826

Improvement in hollow augers

Patentee:

George N. Stearns (exact or similar names) - Syracuse, NY

USPTO Classifications:

30/495

Tool Categories:

woodworking tools : hand drills : drill bits : hollow bits

Assignees:

None

Manufacturer:

George N. Stearns & Co. - Syracuse, NY

Witnesses:

David P. Murphy

R. F. Stevens

Patent Dates:
Granted:	Aug. 27, 1872

Patent Pictures:

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Vintage Machinery entry for G. N. Stearns

Description:

"The nature of my invention relates to the construction and method of operating the hollow auger, embracing the use of a conical nut in operating the two parts of the stock or barrel, the construction of the cutter, and the means of holding it in the mortise."