B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
Appareil de manutention destiné à déplacer, suivant une direction longitudinale sensiblement horizontale, des charges unitaires reposant sur des organes de roulement