Patents by Inventor James D. Spors

James D. Spors 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).

  • Appliance lock using a motor driven linear actuator with helical spring drive
    Patent number: 7705253
    Abstract: An electrical linear actuator employs a reversible motor driving a helical wire spring. The coils of the spring engage a follower that moves along the axis of the spring with rotation of the motor to provide linear motion. This actuator may be used as a linear drive in an appliance lock.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: April 27, 2010
    Assignee: Illinois Tool Works, Inc.
    Inventors: Jeffrey J. Krieger, Joel C. Bragg, James D. Spors, Michael K. Hintz, Michael S. Osvatic, Kenyon A. Hapke
  • APPLIANCE LOCK USING A MOTOR DRIVEN LINEAR ACTUATOR WITH HELICAL SPRING DRIVE
    Publication number: 20080099314
    Abstract: An electrical linear actuator employs a reversible motor driving a helical wire spring. The coils of the spring engage a follower that moves along the axis of the spring with rotation of the motor to provide linear motion. This actuator may be used as a linear drive in an appliance lock.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 1, 2008
    Inventors: Jeffrey J. Krieger, Joel C. Bragg, James D. Spors, Michael K. Hintz, Michael S. Osvatic, Kenyon A. Hapke