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US Patent: 16,569
Joiner's Plane
System for Raising the Cutter When Pulling a Plane Backwards
Patentee:
J. F. Palmer - Auburn, NY

USPTO Classifications:
30/489

Tool Categories:
woodworking tools : planes : plane adjustment mechanisms : plane cutter adjustments
woodworking tools : planes : bench planes

Assignees:
S. W. Palmer - Detroit, MI

Manufacturer:
Truman J. McMaster and Company - Auburn, NY
Metallic Plane Co. - Auburn, NY
J.F. and S.W. Palmer and Company - Auburn, NY

Witnesses:
Horace T. Cook
C. H. Jenkin

Patent Dates:
Granted: Feb. 03, 1857

Patent Pictures: [ 1 | 2 ]
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Description:
Through a system of rods and springs the cutter of a plane can be made to rise up off the workpiece when the plane is drawn backwards.

In PTAMPIA1, Roger Smith states that there are no known models with the cutter raising system, but the cutter depth adjuster is known.

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