US Patent: 3,667,127 - Digital Micrometer Caliper


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US Patent: 3,667,127

Digital Micrometer Caliper

Patentee:

Taisuke Tsugami (exact or similar names) - Shinjuku-ku, Tokyo, Japan

USPTO Classifications:

33/704, 33/819

Tool Categories:

metalworking tools : machinist tools : measuring tools : micrometers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Jun. 04, 1970
Granted:	Jun. 06, 1972

Patent Pictures:

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Description:

Oldham & Oldham - patent attorneys

Abstract

Improvements in structure of micrometer calipers of the digital type, designed to prevent ingress of any foreign matter into the interior mechanism of the caliper and to enable the digital counter incorporated to be readily zero-adjusted as required. The component parts of the caliper, particularly of the counter mechanism, can be assembled without particular skill and the caliper service life is substantially extended with reduced maintenance.