US Patent: 302,315
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Gage
Lever-Locked Marking Gage
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Patentee:
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| Charles L. Bellamy (exact or similar names) - Arlington, NJ |
| USPTO Classifications: |
| 33/42 |
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Patent Dates:
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| Applied: |
Feb. 20, 1884 |
| Granted: |
Jul. 22, 1884 |
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Patent Pictures:
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Ralph Brendler
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Description: |
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This is perhaps the king of the cam-locked head patents. It uses
an eccentric cam, which actuates a plunger, which compresses a
rubber disk, which bears on a plate on top of the arm. Rube
Goldberg would be proud...
The locking mechanism on this piece is so complicated that it
must have been extremely fragile. The few examples of this piece
that I know of are all inoperable
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