Patents by Inventor Jacques Detraz

Jacques Detraz 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).

  • Screw-and-nut mechanism with ball or roller recirculation
    Patent number: 3971264
    Abstract: A screw-and-nut mechanism with a ball recirculation channel comprising bent, tubular inlet and outlet elements connected to each other by a connecting means, the tubular elements being engaged in a bore of the nut member in such a way as to emerge at the bottom of the thread, and the connecting means being embedded in an overmolding of the nut member.
    Type: Grant
    Filed: May 14, 1974
    Date of Patent: July 27, 1976
    Assignee: La Technique Integrale S.A.
    Inventors: Jacques Detraz, Michel Gambut
  • Ball-equipped screw and nut mechanism
    Patent number: 3961541
    Abstract: A ball-equipped screw and nut mechanism for conversion of axial to rotary motion and the reverse, includes mating screw and nut members, with a plurality of balls in a helical, ball-recirculation channel, and a transfer component in said nut providing a portion of the recirculation channel.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: June 8, 1976
    Assignee: La Technique Integrale S.A.
    Inventors: Jean Claude Fund, Jacques Detraz
  • Ball-equipped screw and nut mechanisms
    Patent number: 3937097
    Abstract: A ball-equipped screw and nut mechanism including a train of balls in a helical ball-circulation channel defined between mating surfaces of screw and nut members. The screw member is tubular and has within its bore a core with a helical groove as a ball recirculation channel which communicates with the ball-circulation channel via radial holes extending through the wall of the screw member.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: February 10, 1976
    Assignee: La Technique Integrale S.A.
    Inventors: Jean Claude Fund, Jacques Detraz