Patents by Inventor Alberto de Santis

Alberto de Santis 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).

  • Metal crib structure for a rocking chair seating plane
    Patent number: 5490714
    Abstract: The invention relates to an improved metal crib structure for an armchair, having a fixed frame, constituted by two opposite lateral elements and a front and a back elements; a cradle-shaped seat support frame of the seating plane oscillating about a horizontal oscillation axis on the fixed frame, which has two opposite v-shaped lateral elements and straight front and back elements; two helix springs oppose oscillation, mounted between the fixed frame and the seat support frame the crib structure further a stiffening device for the helix springs and apparatus for locking the seat support frame in a horizontal position.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: February 13, 1996
    Assignee: Industrie Natuzzi S.p.A.
    Inventor: Alberto de Santis