B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C11/00—Trolleys or crabs, e.g. operating above runways
B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
B66C11/20—Arrangements, e.g. comprising differential gears, enabling simultaneous or selective operation of travelling and hoisting gear; Arrangements using the same rope or cable for both travelling and hoisting, e.g. in Temperley cranes
Dispositif électromécanique de commande de l'ouverture d'une serrure et serrure de portière de véhicule automobile comportant un tel dispositif