Measuring machine

Details Measuring machine Measuring machine

1978-04-24

1979-11-27

Stearns, Richard R.

Geometrical instruments

Miscellaneous

Light direction

33174L, G01B 702

Patent

active

041753275

ABSTRACT:
The invention contemplates an improved drive and measurement-scale configuration for a measuring machine of the type in which the measuring head and its work-contacting probe are carried in the arch of a gantry which is slidable along base ways (in the x-direction) on opposite sides of a workpiece on which one or more surface points are to be measured for their x, y, and z coordinates. The configuration of x-drive action and x-scale measurement is of inherent precision, with attendant minimizing of displacement error in the measurement of all three positional coordinates of a given point on the workpiece.

REFERENCES:
patent: 3250012 (1966-05-01), Hilton et al.
patent: 3286353 (1966-11-01), Potter
patent: 3386174 (1968-06-01), Leach et al.
patent: 3438133 (1969-04-01), Brault
patent: 3749501 (1973-07-01), Wieg
patent: 3831283 (1974-08-01), Pagella et al.
patent: 3840993 (1974-10-01), Shelton
patent: 4007544 (1977-02-01), Kirby et al.

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