Patents Assigned to Carl Clark Auel Living Will
  • Creeper having lever arms providing variable mechanical advantage for inclining a back portion
    Patent number: 5857683
    Abstract: A creeper having a base and an inclinable back portion and an apparatus for inclining the back, the apparatus including lever arms, pull bars, a sliding member, rocker arms and a sprocket wheel about which a length of chain attached the lever arm rolls. A point of target contact between the chain and sprocket wheel moves along the length of the lever arm resulting in a variable mechanical advantage for a force applied to the lever arm.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: January 12, 1999
    Assignee: Carl Clark Auel Living Will
    Inventor: Carl C. Auel