US Patent: 14,454 - Mortising-tool


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US Patent: 14,454

Mortising-tool

Patentees:

A. C. Hitchcock (exact or similar names) - Greenfield, MA

C. H. Amidon (exact or similar names) - Greenfield, MA

USPTO Classifications:

408/207

Tool Categories:

woodworking tools : chisels : mortise chisels

woodworking machines : wood drilling and boring : mortising machines

woodworking machines : joint making machines : mortising machines

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

James S. Greenwell

W. W. Clapp

Patent Dates:
Granted:	Mar. 18, 1856

Patent Pictures:

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Description:

Chisel for hollow chisel mortising machines. The innovation was to use a bit similar to a metal-cutting bit, which would cut the waste into small pieces ("dust") as opposed to the larger chips created by the usual auger-type bit. This change supposedly reduced or eliminated clogging of the chisel.