Power driven micrometer

Details Power driven micrometer Power driven micrometer

1980-03-24

1982-06-22

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33166, G01B 702

Patent

active

043355161

ABSTRACT:
A power driven micrometer for engaging a workpiece surface has a rotatable screw and a motor for rotatingly driving the screw. The screw and motor are secured together for longitudinal travel as a unit, the screw being threadedly engaged and supported by a nut in the micrometer casing. A key precludes rotation of the motor relative to the casing while enabling longitudinal travel of the motor relative to the casing.

REFERENCES:
patent: 2854755 (1958-10-01), Knobel
patent: 2933816 (1960-04-01), Gunther
patent: 2995738 (1961-08-01), Masek
patent: 3270423 (1966-09-01), Birrell et al.
patent: 3281945 (1966-11-01), Frindel
patent: 3289310 (1960-12-01), Stone
patent: 3555916 (1971-01-01), Santy
patent: 3996669 (1976-12-01), Anichini

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