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US Patent: 10,748
Bit-Fastening for Cast-Iron Bench-Planes
Adjustable Levercap
William Swaze Loughborough - Victor, NY

USPTO Classifications:

Tool Categories:
woodworking tools : planes : plane lever caps


Dietrich Brothers - Rochester, NY
G. & J. Telford - Rochester, NY

William M. Ferguson
S. C. Ferguson

Patent Dates:
Granted: Apr. 04, 1854

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 ]
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The levercap is adjustable and may be used as the capiron. Loughborough describes setting the levercap as capiron (chipbreaker) when taking thick shavings, and moving it out of the way when thin shavings are taken and the capiron not only not being needed, but being in the way of setting a narrow mouth.

Roger Smith shows an example of this plane in PTAMPIA2 that is marked, "PATENT APPLIED FOR/DIETRICH BROTHERS/MANUFACTURERS/ROCHESTER, N.Y.", indicating that Elias and Joseph Dietrich licensed the patent before it issued. The Dietrich brothers were in the plane manufacturing business for only one year, 1853. Subsequently, George and John Telford (onetime employees of D. R. Barton) licensed to make the plane. The plane in the pictures has a D. R. Barton cutter, which appears to the owner to be original

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