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US Patent: 751,671
Hand Tool
Core Box Plane with Ratcheting Cutter Adjustment
John E. McCauley - Springfield, OH

USPTO Classifications:

Tool Categories:
woodworking tools : planes : core box planes

William D. Bayley - Springfield, OH

William D. Bayley - Springfield, OH

F. Llewelyn Walker
Clifton P. Grant
Percy Norton
Oliver H. Miller

Patent Dates:
Applied: Jun. 15, 1903
Granted: Feb. 09, 1904

Patent Pictures: [ 1 | 2 ]
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This core box plane employs as the core of its genius a ratchet mechanism that moves the core box cutting iron through a semicircular arc, thus obviating the need to move the entire plane as the planing progresses.

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