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US Patent: 63,062
Improvement in Carpenters' Gauges
Patentee:
Peter Lawyer - Richmondville, NY

USPTO Classifications:
33/42

Tool Categories:
layout tools : marking gauges

Assignees:
None

Manufacturer:
Unknown

Witnesses:
F. A. Jackson
William Grewin
David Warner
William H. Bronk

Patent Dates:
Granted: Mar. 19, 1867

Patent Pictures:
USPTO pdf tiff
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Description:
This piece is the first of the patents for non-traditional methods of locking the head to the bar. The locking mechanism described in this patent uses a spring-loaded cam lock, much like the ones used on typical plane lever caps.

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