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US Patent: 453,994
Hack Saw Frame
Patentee:
Joseph E. Coleman (exact or similar names) - Elmira, NY

USPTO Classifications:
30/508

Tool Categories:
metalworking tools : hacksaws

Assignees:
Joseph E. Coleman - Elmira, NY
Barney Harris - Elmira, NY

Manufacturer:
Not known to have been produced

Witnesses:
J. W. Anderson
Phil C. Masi
George K. Leach
Chauncey H. Moore

Patent Dates:
Applied: Sep. 16, 1890
Granted: Jun. 09, 1891

Patent Pictures:
Joseph E. Coleman patent June 9, 1891
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Description:
Each end of the frame has a cylindrical eye. The blade angle adjustment is held by a pin fitting in one of several recesses around the eye. The blade is tensioned by a screw that extends into the handle.

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