Patents Assigned to Unatech
  • Door handle attachment apparatus
    Patent number: 4728133
    Abstract: A door handle assembly for rotatably coupling a door handle to a spindle, latching mechanism, and a door. The assembly includes an adapter member connected to the door handle and slidingly receiving the spindle. A rosette associated with the spindle is sandwiched between the door handle and adapter member to provide rotatable coupling between the handle and the door. The assembly permits use of standardized length elements on doors of differing thicknesses.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: March 1, 1988
    Assignee: Unatech
    Inventor: Harold J. Valley