Patent ID: 11872782
Assignee: PIRELLI TYRE S.P.A.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A transfer device of an apparatus for building tyres for vehicle wheels, comprising:
an annular support structure;
gripping elements arranged as a ring on the annular support structure and having gripping surfaces being directly radially towards a longitudinal axis (Z-Z) of the transfer device, wherein the gripping elements are configured for arrangement around a drum carrying a tyre; and
a measurement device mounted on the annular support structure;
wherein the measurement device is configured for detecting a longitudinal shift (AZ) along a direction parallel to the longitudinal axis (Z-Z) of the transfer device, between a centre of the transfer device and a centre of the drum,
wherein the tyre is a carcass structure or a crown structure and the drum is a forming drum or an auxiliary drum,
wherein the measurement device comprises a sensor mounted on the annular support structure and wherein the sensor is configured for measuring a longitudinal distance, parallel to the longitudinal axis (Z-Z), between a lateral portion of the transfer device and a longitudinal end of the drum,
wherein the sensor comprises an emitter and a receiver situated in diametrically opposite positions of the annular support structure, and wherein the sensor is configured for generating a beam of electromagnetic waves extended between the emitter and the receiver.