Patents by Inventor Vincent Robles

Vincent Robles 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).

  • Patent number: 4381047
    Abstract: A piston anti-knock back assembly in a disc brake assembly having a brake actuator comprising a piston slidably mounted within a cylinder bore and operable to urge a fricton surface into contact with a rotary disc surface upon supply of hydraulic fluid under pressure to said cylinder bore, comprises an expanded resilient split ring in frictional contact with a main portion of the cylinder bore and loosely axially located in an annular piston groove adjacent a conical head of said piston.
    Type: Grant
    Filed: July 8, 1981
    Date of Patent: April 26, 1983
    Assignee: General Motors Corporation
    Inventors: Gabriel Gregoire, Vincent Robles, Pedro Alvarez