Drive device has plastic bush fitted in end of hollow shaft and provided with circumferential recess into which shaft section is impressed

摘要

The drive device has an axially movable hollow shaft of metal and at least one bush (14) fitted in the shaft end (12) and connected to the shaft rotationally fixed and axially immovable. The bush has a female thread which engages in a fixing male thread. The bush consists of plastic and has a circumferential recess (18) into which a shaft section (20) is impressed. The shaft section may be formed by at least one tab (22) which is bent or impressed inwards around a bend edge which lies parallel to the axial direction of the shaft. Independent claims are also included for the following: (a) a sunshading system with the aforesaid drive device, in which the hollow shaft is a winding shaft for a pull-out component to which is fastened a sunshading blind; and (b) an insulating glazing system with a sunshading system.