Patents Assigned to Celmac Limited
  • Patent number: 4972545
    Abstract: A door and a ceramic handle or knob assembly are disclosed. The ceramic handle has a socket extending from a rear end wall and into the body of the handle. A plastic insert is received in the socket, so that the handle may be secured to the door by means of a threaded bolt, passing into and expanding the plastic insert.
    Type: Grant
    Filed: June 23, 1989
    Date of Patent: November 27, 1990
    Assignee: Celmac Limited
    Inventors: Ozcan Ozagir, Raymond Proffitt
  • Patent number: 4884834
    Abstract: A door and a ceramic handle or knob assembly are disclosed. The ceramic handle has a socket extending from a rear end wall and into the body of the handle. A plastics insert is received in the socket, so that the handle may be secured to the door, either by means of a conventional spindle or by means of a threaded bolt, passing through a hole in the door.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: December 5, 1989
    Assignee: Celmac Limited
    Inventors: Ozcan Ozagir, Raymond Proffitt
  • Patent number: 4861084
    Abstract: A door having a releasable door lock is disclosed for use in e.g. a bathroom. The locking mechanism comprises a plate having a slot which in use is moved to surround the square section spindle and prevent its rotation. The plate is moved by means of a rotatable pin which includes a toothed wheel such that rotation of the wheel moves the plate and locks it in position. The door is releasable from the outside of the room in an emergency.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: August 29, 1989
    Assignee: Celmac Limited
    Inventors: Ozcan Ozagir, Raymond Proffitt