Patents by Inventor Peter Ruffershofer

Peter Ruffershofer 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).

  • Bushing-type roller overrunning clutch with a cage for needles or rollers
    Patent number: 7987957
    Abstract: A bushing-type roller overrunning clutch comprising at least an inner or an outer ring that comprises clamping ramps adapted to the needles or rollers, said overrunning clutch further comprising a cage for the needles or rollers, as also pressure springs, said cage comprising cage elements that are made in one piece with the inner or outer ring, and a method of making a bushing-type roller overrunning clutch in which the inner or outer ring together with the clamping ramps and at least one border arranged on one side of the clamping ramps is made by deep-drawing, spring-retaining lugs are cut out of the border, and the spring-retaining lugs are bent radially towards the inner or outer ring and the free-standing tabs of the spring-retaining lugs are bent over into the region of the clamping ramps.
    Type: Grant
    Filed: July 1, 2006
    Date of Patent: August 2, 2011
    Assignee: Schaeffler KG
    Inventors: Frieder Altmann, Swen Dörrie, Peter Ruffershöfer
  • Bushing-type roller overrunning cluth with a cage for needles or rollers
    Publication number: 20090260941
    Abstract: A bushing-type roller overrunning clutch comprising at least an inner or an outer ring that comprises clamping ramps adapted to the needles or rollers, said overrunning clutch further comprising a cage for the needles or rollers, as also pressure springs, said cage comprising cage elements that are made in one piece with the inner or outer ring, and a method of making a bushing-type roller overrunning clutch in which the inner or outer ring together with the clamping ramps and at least one border arranged on one side of the clamping ramps is made by deep-drawing, spring-retaining lugs are cut out of the border, and the spring-retaining lugs are bent radially towards the inner or outer ring and the free-standing tabs of the spring-retaining lugs are bent over into the region of the clamping ramps.
    Type: Application
    Filed: July 1, 2006
    Publication date: October 22, 2009
    Inventors: Frieder Altmann, Swen Dorrie, Peter Ruffershofer