Load washer
Patent 5222399 Issued on June 29, 1993. Estimated Expiration Date: 
November 19, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 19, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3151258 Tactile sensor Piezoelectric ultrasonic transducer with flexible electrodes adhered using an adhesive having anisotropic electrical conductivity Piezoresistive force-measuring element and its use for determining forces acting on a component Load cell adaptor Patent #: 4765423 InventorAssigneeApplicationNo. 794486 filed on 11/19/1991US Classes:73/862.68, By measuring electrical properties73/862.041, Responsive to multiple loads or load components177/210R, Electrical current generating or modifying177/211Strain gaugeExaminersPrimary: Woodiel, Donald O.Assistant: Dougherty, Elizabeth L. Attorney, Agent or FirmForeign Patent References
International ClassG01L 001/16AbstractA 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. | |
