Geometrical instruments – Area integrators – Electrical
Patent
1979-10-16
1981-03-17
Little, Willis
Geometrical instruments
Area integrators
Electrical
33 1M, 33174P, 33169R, 33DIG2, G01B 728
Patent
active
042558620
ABSTRACT:
A configured contour measuring apparatus comprising: a table movably provided on a bed; a driving mechanism for moving said table; first detecting mechanisms for detecting a value of movement of said table relative to the bed as a digital signal; a mount base provided on said table and made movable in a direction perpendicular to movement of said table; a detecting head secured to a column erected on said bed; a sliding shaft slidably provided on said detecting head and having a stylus at the lower end thereof in opposed relationship with said mount base; a balancer weight connected through a hanging line to said sliding shaft and made slightly lighter in weight than said sliding shaft; pulleys for supporting the intermediate portion of said hanging line; and second detecting mechanisms for detecting a value of movement of said sliding shaft as a digital signal.
REFERENCES:
patent: 3161962 (1964-12-01), Pettavier et al.
patent: 3334541 (1967-08-01), Delp
patent: 3504441 (1970-04-01), Linley et al.
patent: 3555916 (1971-01-01), Santy
patent: 3749501 (1973-07-01), Wieg
patent: 3774311 (1973-11-01), Stemple
patent: 3818596 (1974-06-01), Stemple et al.
patent: 3840993 (1974-10-01), Shelton
patent: 4069589 (1978-01-01), Rameson
patent: 4155173 (1979-05-01), Sprandel
Little Willis
Mitutoyo Manufacturing Company Inc.
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