US Patent: 481,515
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| Marking-Gage
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Patentee:
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| Justus A. Traut (exact or similar names) - New Britain, CT |
| USPTO Classifications: |
| 33/44 |
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Patent Dates:
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| Applied: |
Dec. 22, 1891 |
| Granted: |
Aug. 23, 1892 |
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Patent Pictures:
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Ralph Brendler
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Description: |
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Justus Traut is back, with another classic new idea in butt
gages. The breakthrough on this gage was to put a thin metal
plate on the end of the bar, and have a pair of points reference
off it. This allows the door jamb to be marked off the outside of
the plate and the door off the inside, leaving a gain equal to
the thickness of the plate. This simple design worked quite well,
making these very popular tools.
This new feature itself was a great advance in butt gages, but
Traut went a few steps further. The nested arm that carries the
marking points can extend past the end of the plate, allowing
this tool to be set up as a mortise gage. It also carries a small
nicker iron that references off the back of the head, which can
be used for marking hinge thickness or other small distances
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