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US Patent: 201,908
Improvement in Combined Auger and Reamer
Bung Borer
Patentee:
Atwater E. Brockett - Branford, CT

USPTO Classifications:
408/202

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

Assignees:
H. Lynde Harrison - Guilford, CT

Manufacturer:
Not known to have been produced

Witnesses:
Jocelyn P. Cleaveland
S. H. Reed

Patent Dates:
Applied: Feb. 20, 1878
Granted: Apr. 02, 1878

Patent Pictures:
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Description:
The primary claim involves the combination of a lead auger or gimlet bit to create an entry hole with a tapered reamer with detachable and adjustable knives and an adjustable gage to allow cutting holes of various diameters. Specifically intended for producing bung holes.

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