Anti-falling safety device for a shutter
Automatic wind-up screen device
Automatic-locking mechanical drive construction
Automatically winding window shade
Bidirectional awning roller
Blind
Brake apparatus for winding a roll-screen
Brake device for rotatable and spring loaded rods, foil or cloth
Braking device for shutter for building
Braking device for use in a roller blind
Cassette blind with brake coupling
Clutch control for roller shades
Clutch mechanism
Constant viscosity speed reducer
Curtain rolling buffer apparatus
Decelerator for use in roller blinds
Device for driving and stopping a roll blind
Device for operating roll-screen
Door safety bar
Drives for wind-up blinds