Patent ID: 11883826
Assignee: ITEKS
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 8:
9. The fragmentation unit (1) as claimed in claim 1, wherein the lifting assembly is formed both by a bracket (22) mounted in a manner which is movable in translation on guide tracks (191) that comprise vertical guide rails (19) and also by a motor assembly fixed to the rear flank (12) of the frame (10) and acting on the bracket (22) in order to displace the height thereof, said motor assembly being formed by a hydraulic cylinder (23) and a motion linkage deployed between the bracket (22) and the rear flank (12) of the frame (10), said hydraulic cylinder being oriented in a manner such that a rod of the hydraulic cylinder occupies an upper position and said motion linkage being configured in the manner of a lifting pulley in order to multiply an amplitude of movement of the rod of the cylinder (23) and being formed by a roller (24) mounted in rotation in a clevis carried by the rod of the cylinder (23) and by a lift chain (25) wound partly around the roller (24) and fixed by one end to the bracket (22) and by another end to the rear flank (12) of the frame (10).