US Patent: 1,854,244 - Machine for Measuring Two-Fluted Taps


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US Patent: 1,854,244

Machine for Measuring Two-Fluted Taps

Patentees:

Harvey M. Allison (exact or similar names) - Worcester, MA

Ernest A. Walker (exact or similar names) - Worcester, MA

USPTO Classifications:

33/199R

Tool Categories:

metalworking tools : machinist tools : measuring tools

Assignees:

John Bath - Worcester, MA

Manufacturer:

Not known to have been produced

Witnesses:

C. F. Wesson

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

Patent Pictures:

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Description:

Southgate, Fay & Hawley - patent attorneys

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.