Patents by Inventor Jean Chalier

Jean Chalier 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).

  • Automatic tapping device for use on a mechanical press
    Patent number: 4473330
    Abstract: An automatic tapping device for use on a mechanical press including a screw member fixed rigidly to and extending from the upper surface of a lower block and a reversible actuating nut engaged on the screw and a rotary tapping-bit holder spindle rotatably mounted in an upper block. The actuating nut and the rotary tapping-bit holder are interconnected by a chain transmission, including gear wheels borne by an intermediate shaft. The invention is applicable to the tapping of parts on mechanical presses, such as eccentric stamping presses or deep-drawing presses.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: September 25, 1984
    Assignee: Centre Technique Des Industries Mecaniques and S.E.B. S.A.
    Inventor: Jean Chalier