US Patent: 3,877,149 - Accuracy Regulating Means for a Linear Micrometer


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US Patent: 3,877,149

Accuracy Regulating Means for a Linear Micrometer

Patentee:

Minoru Masuda (exact or similar names) - Kawasaki, Japan

USPTO Classifications:

33/820

Tool Categories:

metalworking tools : machinist tools : measuring tools : micrometers

Assignees:

Yehan Numata - Yokohama, Japan

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Nov. 12, 1973
Granted:	Apr. 15, 1975

Patent Pictures:

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Description:

Brisebois & Kruger - patent attorneys

Abstract

This invention relates to accuracy regulating means for a linear micrometer having a hollow spindle which slides in an outer sleeve. The accuracy regulating means comprises a pin mounted on the inner end of the spindle and a guide which is adjustably mounted in the said outer sleeve, with the pin slidable in a channel in said guide. The micrometer is provided with a conventional lead screw turned by a thimble and engaging internal threads on said spindle.