A door closer

Details A door closer A door closer

E - Fixed Constructions

05

F

E05F 3/10 (2006.01)

Patent

CA 2436363

A door closer having a pair of main driving springs, a fluid-filled damper arrangement and a pair of thrust springs is provided, the thrust springs coming into effect during the latter part of a door closing operation, so as to provide an augmented closing force at that point. The position at which the augmented closing force is applied is variable, with a cam mechanism being used to control application of the increased closing force.

L'invention concerne un ferme-porte comprenant une paire de ressorts d'entraînement principaux, un mécanisme amortisseur hydraulique et une paire de ressorts de poussée agissant de façon à fournir une force de fermeture supplémentaire lors de la dernière étape de fermeture de la porte. La position de la porte à partir de laquelle la force de fermeture supplémentaire est appliquée est variable, un mécanisme à came étant utilisé pour commander l'application de la force de fermeture supplémentaire.

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