Patents by Inventor Robert E. Murdock

Robert E. Murdock 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: 4326184
    Abstract: An electric cutout includes a fuseholder in which a fusible element is mounted, a conducting element pivotally mounted to the lower end of the fuseholder and having a pair of trunnions disposed within a pair of spaced jaws on which a pair of guide surfaces are respectively mounted for cooperation with complementary guiding surfaces of arcuate configuration on the conducting element so that rotation of the fuseholder and conducting element about the trunnions may be effected in such manner that the trunnions are securely held against the bight portions of the jaws thereby to prevent rocking action of the fuseholder during closing movement thereof, an ejector latching element pivotally mounted on the conducting element and arranged to eject the fusible element upon rupture thereof and also arranged to engage a part of the fuseholder so as to prevent relative movement between the conducting element and the fuseholder, a U-shaped contact fixed in position adjacent the jaws and arranged to engage opposite surfaces
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: April 20, 1982
    Assignee: Kearney-National Inc.
    Inventor: Robert E. Murdock
  • Patent number: 4002396
    Abstract: An electric terminal such as a transformer bushing having a contact socket of conducting material is provided with a quench tube arranged in aligned substantially coaxial relation with the contact socket. An associated connector which may be of the elbow type is provided with a contact pin which includes a tubular element of conducting material having an end of reduced diameter on which a hollow sleeve is disposed thereabout and formed of strong plastic material having an enlarged end nose portion of the same or of a different plastic material together with a sleeve of arc extinguishing material which is disposed about the plastic sleeve and arranged with one end in snug engagement with the enlarged end portion which is bevelled at its outer end to facilitate entry of the contact pin into and through the quench tube and into the contact socket so as to form a connection between the contact socket and the tubular element of conducting material.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: January 11, 1977
    Assignee: Kearney-National, Inc.
    Inventor: Robert E. Murdock