Patents by Inventor Chretien Philippe

Chretien Philippe 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).

  • Double synchronizer having integrated axial locking means
    Patent number: 5022506
    Abstract: A double synchronizer for two gear pinions (14A, 14B) freely mounted on each side of a hub (12) fixed to a shaft (10) and on which is axially slidably mounted a control sleeve (22) for the purpose of occupying a plurality of axial positions defined by locking means (26A, 40A) comprising a plurality of radial push means (26A) having balls (32A), each of the balls (32A) of the radial push means being elastically biased outwardly so as to cooperate with an inner notched axial track (40A) on the sleeve. According to the invention, the push means comprise two series of push means (26A) evenly and alternately spaced about the axis X--X of the hub (12), each of the two series being associated with a synchronizer of one of the two gear pinions.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: June 11, 1991
    Assignees: Automobiles Peugeot, Automobiles Citroen
    Inventor: Chretien Philippe