Patents by Inventor Orain M. Alexandre

Orain M. Alexandre 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).

  • Support for broached workpieces
    Patent number: 4378186
    Abstract: The device allows the broaching of thin-walled workpieces with high precision and an excellent surface condition. It comprises mainly a fixed support defining a radial abutment surface, a sleeve defining ramps, wedge-shaped members bearing against said ramps and against the outer surface of the workpiece. These wedge-shaped members are carried by a plate which is capable of being brought to a wedging position under the effect of springs or to a disengaged position by means of ramps.
    Type: Grant
    Filed: December 12, 1980
    Date of Patent: March 29, 1983
    Assignee: Glaenzer Spicer
    Inventor: Orain M. Alexandre
  • Tripod homokinetic joints which have axial retaining means
    Patent number: 4255945
    Abstract: The object of the invention is to improve the performance over a period of time and ensure a constant pre-stressing force of the axial retaining device for a tripod homokinetic joint. For this purpose, surfaces carried by the tulip member, which act as bearing surfaces for part-spherical surfaces carried by the tripod of the joint, comprise recesses of concave shape and of a radius of curvature which is slightly larger than the radius of curvature of the part-spherical bearing surfaces carried by the tripod.
    Type: Grant
    Filed: March 12, 1979
    Date of Patent: March 17, 1981
    Assignee: Glaenzer Spicer
    Inventor: Orain M. Alexandre