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US Patent: 50,838
Improvement in Attaching Augers to their Handles
Hiram W. Olney - Allegheny, PA

USPTO Classifications:
403/171, 403/176, 403/246, 403/306, 403/348, 403/353, 403/376, 403/382, 81/28

Tool Categories:
woodworking tools : hand drills : auger handles


Not known to have been produced

Allan C. Bakewell
A. S. Nicholson

Patent Dates:
Granted: Nov. 07, 1865

Patent Pictures: [ 1 | 2 ]
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Another variation of the them of trapping the shank of the auger bit between a metal tube and a metal sleeve, this one differs by requiring small projections on the shank and the metal sleeve is locked into place by a spring-loaded button.

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