A device for slowing the movement of a door, drawer or...

Details A device for slowing the movement of a door, drawer or... A device for slowing the movement of a door, drawer or...

E - Fixed Constructions

05

C

E05C 19/02 (2006.01) E05F 3/14 (2006.01) E05F 5/10 (2006.01) F16F 9/12 (2006.01)

Patent

CA 2520427

A device (15) for slowing the movement of a door (2) urged by unidirectional thrust means (4), including a casing (17) fixable to a structure (S) and defining a chamber (18) filled with a viscous fluid, and a rotor (31). The rotor (31) includes a disc portion (32) and a shaft portion (33) protruding through the lid (21) of the casing (17) in such a way as it can be associated with the door (2). The base surface (23a) of the chamber (18) has a recess (51) operable to house a pivotable arm (52). The arm (52) has a pin portion (54) protruding into the chamber (18). The lower surface (62) of the disc portion (32) of the rotor (31) has a groove (70) for engaging the pin portion (54) of the arm (52). At one end (73), the groove (70) has a cam (76) dividing it into a return path (75) and a forward path (74) for the pin portion (54) so as to define a locking position foe the rotor (31) in cooperation with the thrust means (4).

L'invention concerne un dispositif (15) ralentissant le mouvement d'une porte (2) sous l'action d'un système de poussée unidirectionnel (4), comprenant une enceinte (17) qui peut se fixer à une structure (S) et qui définit une chambre (18) remplie de fluide visqueux, et un rotor (31). Le rotor (31) comprend un disque (32) et un arbre (33) dépassant par le couvercle (21) de l'enceinte (17) aux fins d'association avec la porte (2). La surface de base (23a) de la chambre (18) comporte une cavité (51) accueillant un bras pivotant (52). Le bras (52) présente une tige (54) qui dépasse dans la chambre (18). La surface inférieure (62) du disque (32) du rotor (31) comporte une rainure (70) qui s'enclenche avec la tige (54) du bras (52). A une extrémité (73), la rainure (70) comporte une came (76) qui la divise en trajet retour (75) et trajet aval (74) pour la tige (54), de manière à définir une position de verrouillage pour le rotor (31) en coopération avec le système de poussée (4).

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