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US Patent: 763,721
Plane Iron Adjusting Device
Patentees:
John W. Carleton - New Britain, CT
George E. Trask - New Britain, CT

USPTO Classifications:
30/488

Tool Categories:
woodworking tools : planes : plane adjustment mechanisms : plane cutter adjustments

Assignees:
Union Manufacturing Co. - New Britain, CT

Manufacturer:
Union Manufacturing Co. - New Britain, CT

Witnesses:
J. H. Clarke
P. J. Egan
N. G. Curtis
H. H. Wheeler

Patent Dates:
Applied: Oct. 26, 1903
Granted: Jun. 28, 1904

Patent Pictures:
Photo courtesy of Robert Weber
USPTO pdf tiff
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Description:
The lever arm for adjusting the cutter depth is adjusted by means of two opposing nuts on a thread, similar to that of the adjuster commonly found on scraper planes.

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