Patents by Inventor Robert E. Bullock

Robert E. Bullock 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: 4754524
    Abstract: A door with a pivot hinge which can be mounted to a frame with a pair of L-shaped brackets and which includes an insert comprising a nylon bushing that is mounted into the edge of the door and is adapted to receive a pivot pin mounted on the L-shape bracket. The door is mounted to a hinge Z-bar which is provided with an arcuate portion so as to allow the door to pivot and the door can be swung from either side by inserting the bushing and pivot pins on either side.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: July 5, 1988
    Assignee: The Chamberlain Group, Inc.
    Inventors: Robert E. Bullock, Raymond A. Johnson
  • Patent number: 4599833
    Abstract: An insert retainer for securing a door insert such as a window or screen unit within the door frame and comprising a one-piece flexible strip having a generally flat first web portion, a second web portion which extends from one end of the first web portion perpendicular thereto, a third web portion forming a channel with the first and second web portions, an arcuate integral hinge forming an extension of the second web portion, and an end portion extending outwardly from the integral hinge at an acute angle to the second web portion. The angularly extending end portion is arranged to be tightly received within a channel formed in the storm door and thereby compress the integral hinge about a bead forming a part of the channel construction. The invention also deals with an improved storm door including the new insert retainer.
    Type: Grant
    Filed: June 5, 1984
    Date of Patent: July 15, 1986
    Assignee: Chamberlain Manufacturing Corporation
    Inventor: Robert E. Bullock