Patents Assigned to Padco Plastics, Inc.
  • Self-locking adaptor for converting a pole into a tool
    Patent number: 5060995
    Abstract: An adaptor for connection to the male threads on a cylindrical pole to convert the pole into a window pole for opening and closing blinds or the like wherein the adaptor comprises a resilient wire coil that has a stop to prevent rotation of the adaptor with respect to a pole in a first direction and a cantilevered positioned hook that provides a compressive force on the wire coil to prevent rotation of the adaptor in the opposite direction.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: October 29, 1991
    Assignee: Padco Plastics, Inc.
    Inventors: Edward J. Goldstein, Richard A. Linn