Spindle-height gage and method of calibration

Details Spindle-height gage and method of calibration Spindle-height gage and method of calibration

1979-08-17

1981-08-18

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33172R, G01B 328, G01B 518

Patent

active

042838576

ABSTRACT:
A spindle-height gage is provided for measuring the height of one or more spindles in a tape recorder. The gage includes a pair of indicators rigidly mounted to a stable base configured for insertion into the tape recorder in lieu of a cassette. Upon insertion of the base plate into the recorder, the spindle under test comes into contact with a "foot" extending from a shaft of one of the indicators, which then provides indication of the spindle height. The gage is calibrated by inserting into the gage a calibrating disc having two shoulders, each of a height corresponding to the specified height of one of the spindles.

REFERENCES:
patent: 2965970 (1960-12-01), Rocheleau
patent: 3016619 (1962-01-01), Mueller
patent: 3046665 (1962-07-01), Nilsson

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