Patent ID: 11951703
Assignee: PIRELLI TYRE S.P.A.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 13:
14. The apparatus as claimed in claim 1, wherein the cutting group comprises a support frame placed above the conveyor and carrying the movement devices, the first half-part, and the second half-part,
wherein the movement devices comprise:
a shaft rotatably mounted on the support frame and extended along the cutting direction, said shaft having a first worm screw and a second worm screw that are jointly rotatable;
a motor operatively connected to the shaft;
a first screw nut mounted on the first worm screw and operatively connected to the first half-part and a second screw nut mounted on the second worm screw and operatively connected to the second half-part; and
a first actuator interposed between the first screw nut and the first half-part and movable along a lowering/lifting direction and a second actuator interposed between the second screw nut and the second half-part and movable along said lowering/lifting direction.