Measuring and testing – Dynamometers – Responsive to multiple loads or load components
Patent
1993-01-26
1995-08-01
Goldstein, Herbert
Measuring and testing
Dynamometers
Responsive to multiple loads or load components
73862626, 7351418, G01L 300
Patent
active
054371961
ABSTRACT:
A force detector capable of detecting force components in respective axial directions and moment components about respective axes in an XYZ three-dimensional coordinate system is provided. A displacement body (10) is comprised of a disk shaped flat plate (11) and a pillar body (12) in the form of a square post. On the upper surface of the displacement body (10), five displacement electrodes (D1 to D5) are formed. Further, on the four side surfaces of the pillar body (12), eight displacement electrodes (D6 to D13) are formed. This displacement body (10) is held in a hanging state within the fixed body (20). Within the fixed body (20), fixed electrodes (E1 to E13) are provided at positions opposite to the respective displacement electrodes (D1 to D13). Thus, capacitance elements (C1 to C13) are constituted by the respective opposite electrode pairs. On the basis of changes in capacitance values of respective capacitance elements, force components Fx, Fy, Fz in respective axial directions and moment components Mx, My, Mz about respective axes are determined.
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Dougherty Elizabeth L.
Goldstein Herbert
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