Patents by Inventor Randall A. Symes

Randall A. Symes has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System for disabling, enabling and otherwise controlling vehicle functions based upon continuous measurement of clutch wear and clutch position
    Patent number: 4664239
    Abstract: A hydraulic master-slave system for clutch actuation includes a clutch sensor system to continuously detect and measure clutch position and wear. One alternate preferred embodiment comprises a resistive strip and wiper assembly coupled to an electrical control circuit to control vehicle functions dependent upon clutch position and wear. A second alternate preferred embodiment employs an optical fence and optical interrupter designed to generate quadrature output to the electrical control circuit.
    Type: Grant
    Filed: August 8, 1985
    Date of Patent: May 12, 1987
    Assignee: Applied Power Inc.
    Inventors: Randall A. Symes, Richard J. Zablocki