Patents Assigned to Kabushiki Kaisha Hikoma Seisakucho
  • Patent number: 4691805
    Abstract: A lifting apparatus comprises a mobile vehicle, a platform disposed above the mobile vehicle, a single telescopic stretchable boom pivotally joined at the lower end with a pin to the mobile vehicle and at the upper end with a pin to the platform, and a hydraulic control system comprising a control circuit and a hydraulic circuit.
    Type: Grant
    Filed: March 28, 1986
    Date of Patent: September 8, 1987
    Assignee: Kabushiki Kaisha Hikoma Seisakucho
    Inventor: Mitsuihiro Kishi