B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions
B—PERFORMING OPERATIONS; TRANSPORTING
B66—HOISTING; LIFTING; HAULING
B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
B66D3/00—Portable or mobile lifting or hauling appliances
Dispositif d'entrainement, en un mouvement progressif, d'un organe guide sur des rails rectilignes, tout particulierement adapte a l'entrainement des fourches telescopiques de chariots de manutention
Dispositif pour la commande de mouvements de deplacement de barres a passettes sur un metier a tricoter chaine, en particulier un metier a tricoter a coudre