Instrument for measuring a length

Details Instrument for measuring a length Instrument for measuring a length

1982-07-13

1983-12-20

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01B 500

Patent

active

044208871

ABSTRACT:
A micrometer wherein a rotary knob and a pinion are threadably coupled to each other, further, a resilient member for functioning as a constant pressure is interposed between the rotary knob and the pinion, and, when the rotary knob is rotated by a value of distortion of the resilient member after a spindle having a rack meshed with the pinion is abutted against a workpiece to be measured and stopped, the rotary knob is moved in a direction of the rotary shaft thereof, whereby a portion of the rotary knob is abutted against a main frame, thereby acting as a locking function.

REFERENCES:
patent: 2952916 (1960-09-01), Germann
patent: 3060584 (1962-10-01), Westfall

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