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US Patent: 1,854,244
Machine for Measuring Two-Fluted Taps
Harvey M. Allison - Worcester, MA
Ernest A. Walker - Worcester, MA

USPTO Classifications:

Tool Categories:
metalworking tools : machinist tools : measuring tools

John Bath - Worcester, MA

Not known to have been produced

C. F. Wesson

Patent Dates:
Applied: Oct. 22, 1928
Granted: Apr. 19, 1932

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Original application filed 22 Oct 1923. Divided and this application filed 02 Apr 1930.

This invention relates to a machine for measuring taps or other threaded work and particularly to a machine for indicating variations in size of such work with respect to a standard or master gauge. It is the general object of our invention to provide a machine by which such measurements and comparisons may be quickly and easily made and by which the comparative variations from a standard gauge will be plainly shown.

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