B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C7/00—Runways, tracks or trackways for trolleys or cranes
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C2700/00—Cranes
B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
B66C2700/012—Trolleys or runways
B66C2700/018—Construction details related to the trolley movement
Encastrement de la pointe mobile dans le berceau d'un coeur de croisement incorporé dans les longs rails soudés et procédé de réalisation d'un tel encastrement