Measuring device for measuring small forces and displacements

Details Measuring device for measuring small forces and displacements Measuring device for measuring small forces and displacements

G - Physics

01

B

G01B 11/16 (2006.01) G01D 5/34 (2006.01) G01G 3/08 (2006.01) G01G 3/12 (2006.01) G01L 1/04 (2006.01)

Patent

CA 2349293

The object of the invention is a measuring device for measuring small forces and displacements having in a body (1) of the device a detector means comprising a light source (4) and a position-sensitive detector (5), and a sensing means comprising a spring means (2) to be loaded by a force to be measured and a shading means (3) mounted to this spring means (2), which shading means moves under the influence of the force loading the spring means (2) in a light beam of the light source (4) of the detector means, the beam being directed towards an active surface of the detector (5). It is characterizing for the invention that the detector means and the sensing means are arranged to a common clamp (8) arranged to the body (1) of the device.

Cette invention concerne un dispositif de mesure qui permet de mesurer des forces et des déplacements de faible ampleur. Ce dispositif comprend un corps (1), un système de détection comprenant une source de lumière (4) et un détecteur réagissant à la position (5), ainsi qu'un système de capteur comprenant un système à ressort (2) sur lequel s'applique la force à mesurer et un système d'ombrage (3) monté sur le système à ressort (2). Sous l'effet de la force s'exerçant sur le système à ressort (2), le système d'ombrage se déplace dans un faisceau lumineux provenant de la source de lumière (4) du système de détection, ledit faisceau étant dirigé vers une surface active du détecteur (5). Cette invention se caractérise en ce que le système de détection et le système de capteur sont disposés sur une pince commune (8) prévue sur le corps (1) du dispositif.

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