Patents by Inventor Norberto Manzalini

Norberto Manzalini 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: 5076015
    Abstract: The present invention relates to a device for the shutter-like and tilt-down opening, with respect to a fixed frame, of a window or door-window composed of an upper cross-member and a lower cross-member connected by a pair of uprights on one of which handle is rotatably associated. The peculiarity of the device consists in the fact that it compirses box, arranged on one of the uprights, which is provided with means, actuated by the handle, for tensioning at least one traction element such as cable. This at least one traction element can be advantageously constituted by a first and second cable which actuate a plurality of pins for the temporary closure of the window onto the fixed frame and for coupling to an upper hinge for shutter-like or tilt-down opening. The device furthermore comprises a lower spherical hinge which is provided with a friction action for shutter-like opening and with an articulation action for tilt-down opening.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: December 31, 1991
    Assignee: Otlav S. p. A.
    Inventor: Norberto Manzalini