Through passage guide for movable drive element of e.g. sun blind, has tubular element in through aperture, and closed intermediate cavity between tube element and through aperture

摘要

The through passage guide for moving drive elements (32, 36) through a wall (12) has a tubular element (20) fitted in the through aperture (16). The intermediate cavity between the tubular element and the through aperture is closed. The tubular element also contains a thermally insulated separating element (34) connecting the drive elements to each other.