Patents by Inventor Michael M. Dorn

Michael M. Dorn 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).

  • Patent number: 4260214
    Abstract: A bushing plug for power distribution systems and of the type having a stationary female contact for receiving and making electrical connection with the arc-follower terminated male electrode of an associated elbow connector. The bushing plug includes an elastomeric housing which receives a tubular metallic insert body therein. The inner end of the insert body is connected to an external terminal by way of a threaded fastener. A female contact is press-fitted into the lower end of the insert body and a tubular arc-snuffer member is slidably mounted within the insert body for movement toward and away from the female contact. The arc-snuffer includes a pair of movable contacts respectively mounted within a pair of radially opposed slots in the inner end portion thereof. A camming ring is mounted within an annular groove provided along the inner surface of the insert body and between the female contact and the male electrode receiving opening of the housing.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: April 7, 1981
    Assignee: International Telephone and Telegraph Corporation
    Inventor: Michael M. Dorn