Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
E06B9/68—Operating devices or mechanisms, e.g. with electric drive
Landscapes
Engineering & Computer Science
(AREA)
Structural Engineering
(AREA)
Architecture
(AREA)
Civil Engineering
(AREA)
Drawing Aids And Blackboards
(AREA)
Curtains And Furnishings For Windows Or Doors
(AREA)
Displays For Variable Information Using Movable Means
(AREA)
Seil- und Bandfoerderungseinrichtung mit angetriebener Auf- und Abwickeltrommel, insbesondere fuer Filmsprechmaschinen, Stahl-ton- und Magnetton-Apparate