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
Boitier de transformation de mouvement, rotatif-alternatif, ou inversement avec changement possible de direction, de frequence, de phase et d'amplitude
Demarreur mecanique pour moteurs a combustion interne, comprenant des moyens extensibles elastiques en matiere elastomere permettant d'emmagasiner l'energie mecanique