Micrometer head with double counter

Details Micrometer head with double counter Micrometer head with double counter

1976-08-23

1978-06-13

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01B 500

Patent

active

040940705

ABSTRACT:
A micrometer head with a double counter including a first digital counter for displaying the displacement of an axially movable spindle in the positive direction, and a second digital counter for displaying its displacement in the negative direction, which counters can give direct readings of the positive and negative displacements of the spindle.

REFERENCES:
patent: 3793733 (1974-02-01), Nishikata
patent: 3803719 (1974-04-01), Nishina et al.

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