Variable-centreline tyre building drum
OwnerGiorgio Marangoniinventor
Life of this patent
Estimating the term…
Abstract
A tyre building drum, wherein a spindle has an axis, and a first and second flange coaxial with the axis and movable axially with respect to each other to support and shape a tyre carcass, and is fitted to and projects from a drive unit for rotating the first and second flange about the axis, and for varying a distance between the first and second flange; the first flange being fixed to the free end of an end portion of a drive shaft of the drive unit to rotate about the axis with the drive shaft; and the second flange being fitted in axially sliding, angularly fixed manner to the end portion of the drive shaft.
Claims20
1) A tyre building drum comprising a spindle having an axis and a first and second flange coaxial with said axis and movable axially with respect to each other to support and shape a tyre carcass;
- and a drive unit for rotating the first and second flange about said axis, and for varying a distance between the first and second flange;
- and comprising an axially fixed drive shaft coaxial with said axis and defining an output shaft of the drive unit;
- the drive shaft comprising an end portion projecting outwards of the drive unit;
- the first flange being fixed to the end portion of the drive shaft to rotate with the drive shaft about said axis;
- and the second flange being fitted in axially sliding, angularly fixed manner to the end portion of the drive shaft.
Dependencies are inferred from the claim text.