Patents Assigned to Advance Lifts, Incorporated
  • Patent number: 4221280
    Abstract: A dockside cargo-handling platform lift apparatus is provided to be adjustable to desired vertical elevations through conventional scissor-action expandable support framework driven by hydraulic actuation power, and is improved to further include a pivotably mounted top deck platform surface which is adjustable to desired angular elevations through a pivotable support framework driven by hydraulic actuation power to move against a free end portion of the platform surface.
    Type: Grant
    Filed: May 5, 1978
    Date of Patent: September 9, 1980
    Assignee: Advance Lifts, Incorporated
    Inventor: Lawrence I. Richards
  • Patent number: 4091906
    Abstract: A collapsible electric foot-toe guard is employed with a loading platform having electric controlled lift and descent movements, functioning as a safety device in the protection against unwitting protrusion of human limbs into the path of descent of the platform lift, said collapsible foot-toe guard being comprised of an outwardly depended contact plate moveably engaging a base support plate through hinge means to permit said contact plate with contact thereof to fold toward the base support plate, such folding movement effective to break a normally open, held closed electric limit switch circuit to arrest descent of the platform lift.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: May 30, 1978
    Assignee: Advance Lifts, Incorporated
    Inventors: David E. Clarke, Lawrence I. Richards