Patents by Inventor Greg B. Livengood

Greg B. Livengood 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).

  • Steering column
    Patent number: 6952979
    Abstract: A steering column (10) includes a support (24) through which a steering column member (12) extends connected with a mounting bracket (68). A locking mechanism (130) locks the support (24) in any one of a plurality of positions relative to the mounting bracket (68). The locking mechanism (130) has a locking shaft (200) extending through first and second cams (148, 132) and the mounting bracket (68). The first cam (148) is rotatable relative to the locking shaft (200) and the second cam (132) and has a first cam surface (150). The second cam (132) has a second cam surface (134) facing the first cam surface (150). A bearing (166) includes a flexible cage (168) and a plurality of bearing members (170) rotatable relative to the cage engaging the first and second cam surfaces (150, 134). The locking mechanism (130) clamps the support (24) to the mounting bracket (68) when the first cam (148) is in a first position relative to the second cam (132).
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: October 11, 2005
    Assignee: TRW Inc.
    Inventors: Mark A. Cartwright, Greg B. Livengood
  • Steering column
    Publication number: 20040050201
    Abstract: A steering column (10) includes a support (24) through which a steering column member (12) extends connected with a mounting bracket (68). A locking mechanism (130) locks the support (24) in any one of a plurality of positions relative to the mounting bracket (68). The locking mechanism (130) has a locking shaft (200) extending through first and second cams (148, 132) and the mounting bracket (68). The first cam (148) is rotatable relative to the locking shaft (200) and the second cam (132) and has a first cam surface (150). The second cam (132) has a second cam surface (134) facing the first cam surface (150). A bearing (166) includes a flexible cage (168) and a plurality of bearing members (170) rotatable relative to the cage engaging the first and second cam surfaces (150, 134). The locking mechanism (130) clamps the support (24) to the mounting bracket (68) when the first cam (148) is in a first position relative to the second cam (132).
    Type: Application
    Filed: September 17, 2002
    Publication date: March 18, 2004
    Applicant: TRW Inc.
    Inventors: Mark A. Cartwright, Greg B. Livengood