Patents by Inventor Jean L. Andre

Jean L. Andre 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).

  • Short hitch with variable geometry and linkage support bearings movable in a circular arc for so-called balanced trailers and semi-trailers
    Patent number: 4902030
    Abstract: Hitch characterized by the fact that on the one hand, an extensible drawbar (5) has an associated means of continuous elastic return to a position of minimum separation of the trailer from the truck, and on the other hand, it has two associated symmetrical linkage support bearings (20) and (21) each movable in a circular path around a vertical pivot axis located on the truck and appropriate for each side. This invention is of interest to the manufacturers of road vehicles and more particularly of trucks and their equipment.
    Type: Grant
    Filed: June 16, 1988
    Date of Patent: February 20, 1990
    Assignee: Lohr Industrie, S.A.
    Inventor: Jean L. Andre