Patents by Inventor Rue S. Leitzke

Rue S. Leitzke 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).

  • Bow tie locking cotter
    Patent number: 6135693
    Abstract: A cotter formed from a single piece of wire including a free end, first and second gripping portions, a helical section and a locking leg. The cotter may be installed on a pin having an opening by grasping either, oppositely disposed gripping portion. The arrangement of the locking leg and a helical section formed therein allows for easy installation but requires a compound motion for removal of the cotter.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: October 24, 2000
    Assignee: Pivot Point, Inc.
    Inventors: Rue S. Leitzke, Roman J. Baus
  • Ring spring cotter
    Patent number: 4592689
    Abstract: This disclosure relates to a ring spring cotter in which the ring portion lies partially over and partially under the straight run of the cotter which extends through the hole in the pin to be secured, and in which a free tail has a ramp which may either overlie or underlie the straight run that extends through the hole to exert tension either to secure the ring or to free it. It is easy to use, secure, and damps vibration of the parts secured by spring pressure on them.
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: June 3, 1986
    Inventor: Rue S. Leitzke
  • Bow tie locking cotter
    Patent number: D431181
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: September 26, 2000
    Assignee: Pivot Point, Inc.
    Inventors: Rue S. Leitzke, Roman J. Baus