E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
E05F1/04—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights for wings which lift during movement, operated by their own weight
E05F1/06—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing
E05F1/061—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing with cams or helical tracks
E05F1/063—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing with cams or helical tracks with complementary, substantially identical and slidingly cooperating cam surfaces
Dispositif de fermeture pour regard de chaussee a cadre de support d'un panneau monte articule sur le cadre par des moyens d'articulation indemontables