Patents by Inventor Roger Trinquard

Roger Trinquard 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).

  • Transmission arrangement with a covered transmission belt
    Patent number: 5242332
    Abstract: A flexible transmission device for continuously variable transmissions comprises an endless flexible connecting element and a plurality of transverse links. Each link includes at least one groove into which is engaged the flexible connecting element. The links are, preferably, covered by a fabric, and the exterior surface of the fabric is for being positioned in contact with the flanges of the pulleys over which the belt is positioned and operates.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: September 7, 1993
    Assignee: Caoutchouc Manufacture et Plastiques S.A.
    Inventors: Louis Douhairet, Daniel Play, Roger Trinquard
  • Transmission arrangement with a covered transmission belt
    Patent number: 5171189
    Abstract: A flexible transmission device for continuously variable transmissions comprises an endless flexible connecting element and a plurality of transverse links. Each link includes at least one groove into which is engaged the flexible connecting element. The links are, preferably, covered by a fabric, and the exterior surface of the fabric is for being positioned in contact with the flanges of the pulleys over which the belt is positioned and operates.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: December 15, 1992
    Assignee: Caoutchouc Manufacture et Plastiques S.A.
    Inventors: Louis Douhairet, Daniel Play, Roger Trinquard
  • Variable speed transmission device
    Patent number: 5147253
    Abstract: A flexible transmission device for continuously variable transmissions comprises an endless flexible connecting element and a plurality of transverse links. Each link includes at least one groove into which is engaged the flexible connecting element. The transmission element operates dry, without lubrication. The transmission stirrups, or links, of the transmission element are arranged around an endless core. The endless core is configured in the form of a V-belt. The endless core has oblique walls in contact with interior surfaces of the stirrups or links. The exterior oblique surfaces of the stirrups or links, are in contact with the flanges of the transmission pulleys.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: September 15, 1992
    Assignee: Caoutchouc Manufacture et Plastiques
    Inventors: Louis Douhairet, Daniel Play, Roger Trinquard
  • Apparatus and method for wrapping a belt in an internal combustion engine and the like and an internal combustion engine with apparatus for wrapping a belt and associated method
    Patent number: 4981116
    Abstract: An internal combustion engine which includes an apparatus for wrapping a belt more than 180 degrees around a wheel of the engine.
    Type: Grant
    Filed: December 15, 1989
    Date of Patent: January 1, 1991
    Assignee: Caoutchouc Manufacture et Plastiques S.A.
    Inventor: Roger Trinquard