GANGWAY PLATFORM Russian patent published in 1998 - IPC

FIELD: loading and unloading operations; mechanized platforms of load stations for operation at height. SUBSTANCE: gangway platform has ladder with horizontal flooring rigidly secured on support of gantry crane with rigidly secured; vertical posts and horizontal platforms with guardrail posts located at both sides. Supports for horizontal axles are made in lower portion of vertical posts. Platforms and guardrail posts are mounted on horizontal axles for turning and forming bell cranks. Shorter arms of platforms and guardrail posts are provided with weights. Arms of platformsengage with lower surface of flooring. Longer arms of guardrail posts are connected with longer arms of platforms and with vertical posts by flexible ties. EFFECT: enlarged operating capabilities. 2 dwg