Patents by Inventor Serge Prat

Serge Prat 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).

  • Device for rapid changing of tools, particularly on large-scale machines
    Patent number: 4335499
    Abstract: A combining mechanical placement mechanism which includes hydraulic jacks and stops with automatic clamping at multiple points via tie rods provided with elastic washers, so as to fasten to the slide of the machine the tool-holder equipped with its cutting tools, or to mount a cutting tool of sizable portions to the slide of the machine, without intermediary tool-holder.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: June 22, 1982
    Assignee: Regie Nationale des Usines Renault
    Inventor: Serge Prat