A fabric roller blind uses a spiral spring and flexible belts to wind the handle bar.
An articulated track and elastic means guide a movable box along a fixed path, reducing installation complexity while ensuring reliable insect confinement.
A ball rotor mechanism with a spring coupling and guide jaw system eliminates inclination during rolling, ensuring reliable operation without precise handling.
An articulated weight bar with a movable blade seals gaps on pitched floors, preventing insect intrusion while maintaining horizontal track alignment.
A fastening system uses a pin and clasp mechanism with an adhesive back plate for secure material attachment.