Patents by Inventor Gianfranco Caldari

Gianfranco Caldari 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: 6487755
    Abstract: A hinge for doors or for wings of furniture items comprises fastening elements provided with fixed pivot pins and with sliding guides, which can be housed respectively in the thickness of the door and in a corresponding fixed door post; arms for connecting the door to the door post connected to the fastening elements with their first extremity, hinged on the fixed pivot pin of one of the fastening elements and with a second extremity engaged in the sliding guide of the other fastening element; and a joint interposed at the extremities of the arms which pivotingly connects the arms to each other allowing their relative angular mobility. The fastening elements comprise connecting bodies movable relative to each other at least along one direction defined by at least one of three cartesian axes, respective adjusting means being provided thereto.
    Type: Grant
    Filed: April 28, 2000
    Date of Patent: December 3, 2002
    Assignee: Koblenz S.p.A.
    Inventor: Gianfranco Caldari
  • Patent number: 4854084
    Abstract: In automatic equipment for sanding the rounded corners of boards, use is made of a sanding unit with an abrasive belt looped around at least two rollers and urged against the rounded corner of a board by a pressure pad positioned alongside one of the rollers; the system also makes use of a sensor which first ensures that the feed speed of the board and the traverse speed of the sanding unit are matched, and then triggers rotation of the entire unit about the rounded corner of the board.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: August 8, 1989
    Assignee: Technolegno S.R.L.
    Inventors: Romano Sparacca, Gianfranco Caldari