Geometrical instruments – Area integrators – Electrical
Patent
1985-11-15
1987-07-14
Frankfort, Charles
Geometrical instruments
Area integrators
Electrical
33172E, 74625, 192 4891, G01B 502
Patent
active
046793267
ABSTRACT:
A height gauge has a touch signal probe provided on a slider vertically movably supported on a support for the purpose of measuring the dimensions or the like of an object by bringing the probe into contact with the object. A rack is formed on the support, and a driving shaft is disposed on the slider, the driving shaft having a pinion engaged with the rack. To the driving shaft are secured a pulley to which the turning force from a motor is transmitted and a control wheel for manually rotating the driving shaft. A clutch member is interposed between the pulley and the control wheel. When the clutch member is engaged with the pulley, the slider is automatically moved up and down, while when the clutch member is engaged with the control wheel, the slider can be manually moved up and down. The height gauge further includes a control circuit which stops the drive of the motor when the touch signal probe generates a touch signal and which holds the indication of a measured value being displayed at that time.
REFERENCES:
patent: 858651 (1907-07-01), Griffith
patent: 2545881 (1951-03-01), Graham
patent: 3289310 (1966-12-01), Stone
patent: 3515250 (1970-06-01), Cantalupo
patent: 3811192 (1974-05-01), Christensen
patent: 3895356 (1975-07-01), Kraus
patent: 3924337 (1984-07-01), Taylor
patent: 3996669 (1976-12-01), Anichini
patent: 4458423 (1984-07-01), Sakata et al.
patent: 4459755 (1984-07-01), Gruhler
Mizuno Ichiro
Sugizaki Iwao
Takizawa Kinji
Frankfort Charles
Mitutoyo Mfg. Co. Ltd.
Scanlon Patrick
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