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US Patent: 1,196,213
Gage
Metal Marking Gage
Patentee:
William A. Dau (exact or similar names) - Detroit, MI

USPTO Classifications:
33/42

Tool Categories:
layout tools : marking gauges : wheeled marking gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. Winnifred Busey
Fred R. Schmalznidt
Jas. E. Hutchinson
G. Wedemeier

Patent Dates:
Applied: Nov. 13, 1915
Granted: Aug. 29, 1916

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a simple metal marking gage that sets out to address two problems with metal wheeled gages: lack of support for the point, and the unprotected sharp edge.

Both of these probelms are addressed by burying the wheeled marker in the end of the bar. The cavity the wheel rides in is machined close enough to allow the wheel to bear on the arm, thus relieving some of the stress on the screw. The arm also has a distinct hump at the end to allow the user to put his thumb over the marker without fear of cutting himself.

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