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US Patent: 23,978
Hand Plane
Curved Adjustable Capiron
Simeon S. Dodge - Sunapee, NH

USPTO Classifications:

Tool Categories:
woodworking tools : planes : plane cap irons
woodworking tools : planes : plane lever caps


Not known to have been produced

F. N. Myrick
I. P. Osborn

Patent Dates:
Granted: May 10, 1859

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
The capiron of the invention
USPTO pdf tiff
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This patent claims a capiron. In effect, this is a cutter/levercap/capiron system that reverses the levercap and capiron. The curved capiron (chipbreaker if you will) fastens on top of what the inventor calls the top (or break) iron but is actually a levercap in that it has the threaded hole for the tightening screw.

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