Digital indication type micrometerhead

Details Digital indication type micrometerhead Digital indication type micrometerhead

1983-03-28

1985-01-29

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33170, 33172E, G01B 318, G01B 702

Patent

active

044957017

ABSTRACT:
A digital indication type micrometer head with a spindle moved axially by the rotation of a thimble through a screw feed mechanism to a detector for detecting axial motion of the spindle, a unit for processing signals from the detector and calculating a digital indication value, and a digital indicator secured to a casing surface to indicate calculated value. The digital indicator points upward and is rotatable along the casing surface and can take a normal position at the side of the forward end of the spindle and a position or positions rotated through substantially 90.degree. or 180.degree. from the normal position.

REFERENCES:
patent: 3924337 (1975-12-01), Taylor
patent: 4103427 (1978-08-01), Ledley
patent: 4255861 (1981-03-01), Nakata et al.

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