Measuring and testing – Dynamometers – Responsive to force
Patent
1991-11-19
1993-06-29
Woodiel, Donald O.
Measuring and testing
Dynamometers
Responsive to force
73862041, G01L 116
Patent
active
052223990
ABSTRACT:
A load washer comprising a pair of thin metal washers between which a contact sensor is positioned. The contact sensor includes pairs of confronting electrodes at a plurality of spaced zones with a pressure sensitive resistive material between each pair, which, under pressure, provide an indication of the force applied to the load washer.
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patent: 3151258 (1964-09-01), Sonderegger et al.
patent: 4640137 (1987-02-01), Trull et al.
patent: 4701659 (1987-10-01), Fujii et al.
patent: 4738146 (1988-04-01), Baumgartner et al.
patent: 4765423 (1988-08-01), Karpa
Dougherty Elizabeth L.
Fel-Pro Incorporated
Woodiel Donald O.
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