a disintegrator roll for use in a textile spinning machine , such as an open - end spinning machine , includes a roll body releasably mounted onto a drive shaft . a fittings carrier with associated fittings is releasably mounted on the roll body . a releasable connection apparatus is operably disposed between either the fittings carrier and the roll body or the roll body and the drive shaft . the connection apparatus is actuated by an axial force applied generally parallel to the drive shaft .