Patents Assigned to 501 Sky Climber, Inc.
  • Patent number: 4930598
    Abstract: A scissors lift apparatus having a wheeled tube chassis and a platform connected together by one or more scissors arm assemblies, each scissors arm assembly including a center arm and two outside support arms pivotally connected at their longitudinal midpoint, adjacent scissors arm assemblies connected in series at the ends of the center arms and at the ends of the outside support arms, a hydraulic cylinder pivotally connected to the chassis and pivotally connected to the pivot axis of the lowermost scissors arm assembly, the pivot connection between adjacent outside support arms comprising common castings, each casting having a pair of longitudinally extending, longitudinally offset ears, the ears of one casting engaged and pinned with the ears of a second axially rotated casting.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: June 5, 1990
    Assignee: 501 Sky Climber, Inc.
    Inventors: William D. Murrill, Mark W. Rhodes