Geometrical instruments – Area integrators – Electrical
Patent
1985-02-27
1986-12-09
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33170, 33125R, G01B 702
Patent
active
046271686
ABSTRACT:
The invention pertains to apparatus for positioning a gage and structure associated with the gage, such as a protective shield. A gage arm is mounted for linear movement upon a column, and the arm extends through structure which surrounds the arm forming a shield protecting the gaging apparatus from foreign matter. Power means position the gage arm protective shield and sensors determining the relative position between the shield and the gage arm control the position of the shield to prevent the shield from having an adverse effect upon the gage arm measurement. A lost motion linkage may interconnect the gage arm support with the shield for the positioning thereof, or the gage arm support may be positioned independently.
REFERENCES:
patent: 3373497 (1968-03-01), Lewis
patent: 3483626 (1969-12-01), Huttel
patent: 3996669 (1976-12-01), Anichini
patent: 4276696 (1981-07-01), Ernst
Acer Automation
Haroian Harry N.
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