With Latch Or Lock Patents (Class 49/394)
Plural; e.g., gang (Class 49/395)
  • Pivot arrangement for transferring pressurized air into a pivot door
    Patent number: 3964207
    Abstract: A pivot arrangement at the upper end of a pivot door includes a bushing on the door and a hollow pivot pin projected from the door frame header into the bushing. Fluid conduits are connected with the pin and the bushing so that the conduits are in communication through the pivot arrangement. Pressurized air is transmitted through the conduits and pivot arrangement to a pneumatic appliance on the door.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: June 22, 1976
    Assignee: C. Hager & Sons Hinge Manufacturing Company
    Inventor: Francis C. Peterson
  • Reinforced polyester door
    Patent number: 3950894
    Abstract: A reinforced polyester door is disclosed. The door has an interior supporting frame, rigid front and back surface skins, an insulating foam layer between the front and back surface, and a reinforcing member adjacent the latch side of the door. Magnetizable particles are preferably placed within the front surface skin along the periphery of the door.
    Type: Grant
    Filed: February 22, 1974
    Date of Patent: April 20, 1976
    Assignee: Structural Plastics Incorporated
    Inventor: Vincent DiMaio
  • Hinged window with quick release bar
    Patent number: 3942286
    Abstract: A window construction which is characterized by a sash frame hingedly mounted at the top of an opening in a generally vertical wall and provided with a latching mechanism comprising keepers on the inside face of the wall adjacent the bottom of the wall opening and a combination latch engaging and release bar pivotally mounted on the bottom of the sash frame so as to be swung into keeper engagement when the sash frame is hinged to closed position and to be readily swung to a position where the sash frame is released for opening movement.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: March 9, 1976
    Assignee: The Adams & Westlake Company
    Inventors: Yale W. Ehret, Robert A. Frey
  • Door device
    Patent number: 3931691
    Abstract: A door device comprises a door hingedly affixed to a housing at the top of the door for covering the opening thereof. A door locking device is provided on the housing at the door and comprises a pair of parallel guide slots each formed through the housing on a corresponding side of the opening. A slide rod is slidably mounted in the slots for movement up and down on one side of the door and extend across the opening. Thus, when the door is open it supports the slide rod and when it closes, the slide rod slides down and bars the door.
    Type: Grant
    Filed: January 11, 1974
    Date of Patent: January 13, 1976
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Thomas J. McCord