to provide a form locking connection in the peripheral direction as a result of the peripherally fixed attachment of the annular part to the disk spring wear caused by a relative twist between the annular part and the disk spring is prevented application_number US 32206809 A description fig1 shows an exemplary embodiment of a pull type friction clutch 1 in the engaged condition but only indicating a compression plate 2 a housing 3 that is secured to the compression plate and a pressure plate 5 that is non rotatably and axially displaceably arranged on the housing 3 or on the compression plate 2 by means of plate springs 4 a force exerting rim of a disk spring 7 contacts an annular face of the housing 3 or contact lobes 6 that are circumferentially distributed and biases the pressure plate 5 against the compression plate 2 friction linings of a clutch disk not shown are clamped between the friction faces 8 9 of the compression plate 2 and the pressure plate 5 to disengage the friction clutch 1 the tongues 10 of the disk spring 7 are urged axially in the pulling direction 12 by the pulling device 11 wherein the pulling device 11 is axially actuated by an actuation device not shown and is uncoupled from rotation relative to the actuation device for that purpose an actuation sleeve not shown having a return element is pushed axially into the central opening in the annular part 13 and is axially fixed by means of the shaped wire spring 14 the actuation sleeve is connected to the actuation device by means of a roller bearing which.