Patents by Inventor Roberto Fiocchi

Roberto Fiocchi 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).

  • Expanding device for supporting grinding sleeves
    Patent number: 5185970
    Abstract: The expanding device for supporting emery cloth sleeves in particular, includes a shaped shaft which concentrically supports a plurality of mutually facing disks which can slide in an axial direction and which are rigidly rotationally connected with the shaft. The disks define, between one another in cooperation, a plurality of peripheral seats for the accommodation of elastic rings which can expand radially upon the axial compression of the disks. The elastic rings are suitable for engaging the inner surface of an emery cloth sleeve.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: February 16, 1993
    Assignee: Sprint Filter S.r.l.
    Inventor: Roberto Fiocchi