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US Patent: 13,745
Bench-Plane Iron
Three-Piece Cutter
Patentee:
J.Henry A. Bleckmann - Ronsdorf, Elberfeld Prussia

USPTO Classifications:
30/489

Tool Categories:
woodworking tools : planes : plane blades
woodworking tools : planes : plane cap irons

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fr. Aug. Busche
Friedr. Wilh. Ortmanul

Patent Dates:
Granted: Nov. 06, 1855

Patent Pictures:
USPTO pdf tiff
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Description:
A steel cutter and a depth adjusting screw are sandwiched between two iron plates. The inventor says this avoids the damage to the steel cutter during lamination.

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