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B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
B66D1/02—Driving gear
B66D1/14—Power transmissions between power sources and drums or barrels
B66D1/16—Power transmissions between power sources and drums or barrels the drums or barrels being freely rotatable, e.g. having a clutch activated independently of a brake
Mécanisme de manoeuvre d'une porte, utilisation d'un frein dans un tel mécanisme et procédé de régulation d'un couple moteur dans un tel mécanisme