US Patent: 687,913 - Slitting Gage


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US Patent: 687,913

Gage
Slitting Gage

Patentee:

Walter S. Bird (exact or similar names) - Burdett, WV

USPTO Classifications:

33/44

Tool Categories:

knives and cutters : slitting gauges

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	May 03, 1901
Granted:	Dec. 03, 1901

Patent Pictures:

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Description:

This is a fascinating slitting gage in the shape of a plow plane. It uses two adjustable-depth slitting kives to cut, and a wheeled cutter as a nicker.

The fence adjustment is also quite unusual, in that it uses a spring loaded pin referencing holes drilled in the arm to maintain alignment of the arms.