Patent ID: 11932093
Assignee: WEBASTO SE
Field: Transport (Mechanical engineering)
Classification: CPC B  E | IPC B  E

Claim 0:
1. A roller blind arrangement for a motor vehicle, the roller blind arrangement comprising:
a roller blind web and
a winding shaft onto which the roller blind web can be wound and from which the roller blind web can be unwound and which comprises a flexible hollow tube arrangement penetrated by a bearing beam attached to the vehicle,
wherein the hollow tube arrangement comprises a hollow tube element which, viewed in the axial direction, comprises multiple flexible portions interrupted by at least one stabilizing portion which provides greater torsional strength than the flexible portions;
wherein the at least one stabilizing portion of the hollow tube element comprises a plastic overmolded base tube,
wherein the base tube is a corrugated tube and its plastic overmold forms a circumferential surface whose radius is equal to a maximum outer radius of the corrugated tube,
wherein the plastic overmold is formed on the corrugated tube in an annular shape and disposed in spaces between ribs of the corrugated tube, and
wherein the at least one stabilizing portion comprises at least two stabilizing portion ribs and two spaces between the at least two stabilizing portion ribs.