US Patent: 76,884
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Improvement in Carpenters' Gages
Cam-lock marking gage
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Patentee:
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| Wessel Brodhead (exact or similar names) - Meadville, PA |
| USPTO Classifications: |
| 33/42 |
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Patent Dates:
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| Granted: |
Apr. 21, 1868 |
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Ralph Brendler
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Description: |
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One of the most brilliant designs in tool history. It is
extremely simple, yet elegant and very functional. It uses a bar
that is helical in profile, fitted into a head that slips easily
over the bar. The shape of the arm is such that a tiny twist of
the head will lock it firmly in position.
This tool was was wildly popular, and with good reason. It was
manufactured for many years by the Star Tool Company, and most
examples are found marked with the Star logo and patent date. It
was produced in a variety of configurations and woods.
Note that there is another patented gage which uses the same
locking mechanism, the Caris Patent (673677 - 5/7/1901).
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