Plural Radially Spaced Frustoconical Surfaces Patents (Class 192/85.22)
  • Patent number: 9796298
    Abstract: A wedge clutch comprising an axis of rotation, a hub having a first radially outwardly facing surface sloping radially inward in a first axial direction, an outer race located radially outward of the hub and including, a first radially inwardly facing surface, and, a circumferential groove in the first radially inwardly facing surface, and, a first plurality of wedge plates radially disposed between the hub and outer race, each wedge plate in the first plurality of wedge plates including, a respective second radially inwardly facing surface directly engaged with the first radially outwardly facing surface, and, a respective second radially outwardly facing surface, wherein said each wedge plate has a different respective first radial dimension between the respective second radially inwardly and outwardly facing surfaces.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: October 24, 2017
    Assignee: SCHAEFFLER TECHNOLOGIES AG & Co. KG
    Inventors: Carsten Ohr, Brian Lee
  • Patent number: 8056696
    Abstract: A control element for opening and closing a drive connection between a first member and a second member includes a first ring engaged with the first member, displaceable among a disengaged position, a stroked position and an engaged position and formed with first serrations, a second ring engaged with the first member and including second serrations, a third ring engaged with the second member and including third serrations for alternately engaging with and disengaging from the first and second serrations, and a detent for resisting displacement of the first ring relative to the second ring when the first ring is in the stroked position and permitting displacement of the first ring relative to the second ring when the first ring moves from the stroked position to the engaged position.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: November 15, 2011
    Assignee: Ford Global Technologies, LLC
    Inventor: David A. Janson