Measuring head for measuring equipment, multi-coordinate measuri

Details Measuring head for measuring equipment, multi-coordinate measuri Measuring head for measuring equipment, multi-coordinate measuri

1982-08-30

1984-09-18

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

G01B 702

Patent

active

044715293

ABSTRACT:
A measuring head for measuring article contour positions comprises a casing with a feeler pin mounted in the casing for pivotal movement in three-dimensional directions. A separate spring biases the feeler element in a neutral position in each of the three dimensional movement directions and the feeler pin is movable against the bias in all directions in a measuring movement. The measuring head is provided for measuring equipment for multi-coordinate measuring instruments and machine tools and is provided with connections for a digital or an analog evaluation of the measured value. Preferably a plurality or rope elements are connected to the feeler pin to hold it in its coordinate zero position within the casing and to extend in the respective X, Y and Z directions and are in equilibrium with each other in their state of rest. The biasing means in the form of springs are arranged in parallel to each of the rope elements an exert a force in the direction of a coordinate zero position acting opposite to the measuring motions of the feeler pin.

REFERENCES:
patent: 3869799 (1975-03-01), Neuer et al.
patent: 3888012 (1975-06-01), Droz
patent: 3945124 (1976-03-01), Jacoby et al.
patent: 3990153 (1976-11-01), Calame
patent: 4078314 (1978-03-01), McMurtry
patent: 4130941 (1978-12-01), Amsbury
patent: 4254554 (1981-03-01), Germano et al.

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