E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
E02F9/24—Safety devices, e.g. for preventing overload
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
B66C23/62—Constructional features or details
B66C23/72—Counterweights or supports for balancing lifting couples
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C2700/00—Cranes
B66C2700/03—Cranes with arms or jibs; Multiple cranes
B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm
Dispositif électromécanique de commande de l'ouverture d'une serrure et serrure de portière de véhicule automobile comportant un tel dispositif
Installation de demarrage pour moteur a combustion interne de vehicule comprenant notamment un demarreur electrique a contacteur electromagnetique solenoidal
Dispositif de commande pour mettre en fonction et hors fonction un turbocompresseur a gaz d'echappement, et valve d'isolement equipant un tel dispositif