B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
B66C3/12—Grabs actuated by two or more ropes
B66C3/125—Devices for control
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like
(AREA)
Dispositif d'entraînement de deux arbres alignés, avec mécanisme différentiel, notamment deux arbres de transmission reliés à deux roues arrière de véhicule