Patent ID: 7104368
Filing Date: 2006-09-12
Classification: F16D

Abstract:
1. A disk-brake disk comprising: a bell, an annular braking band and coupling means between the bell and the braking band, the bell being provided with a plurality of openings spaced along its periphery, the braking band being provided with a corresponding plurality of slots situated in the vicinity of its inner edge and having parallel sides in the radial direction, while the coupling means has a plurality of dragging elements, each of which engages with an opening of the bell and a slot of the braking band to create a tangential constraint between the bell and the braking band, wherein each of the dragging elements has a part with two parallel opposite faces that engage with the corresponding parallel sides of the slot in such a manner as to be in contact with them, and wherein the part of the dragging element that engages with its respective slot is coupled with the slot in a substantially play-free manner and wherein the openings of the bell are shaped as recesses that extend radially from the periphery of the bell and have parallel sides and each of the dragging elements has another part with two parallel opposite faces that engage with the sides of a respective recess in such a manner as to be in contact with them.