Door lock assembly having a press button in an inner handle

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 55/00 (2006.01) E05B 1/00 (2006.01)

Patent

CA 2529547

A door lock assembly includes a press button disposed within an inner drive tube and an inner handle. A cam mechanism is provided to associate with the press button and the inner drive tube to rotate the press button when the press button is pressed axially. The cam mechanism includes an inclined cam groove/slot which is formed in one of the inner drive tube and the press button and which extends substantially in a helical direction, and a cam protrusion formed on the other one of the inner drive tube and the press button and extending into the cam groove/slot. A press button rod is connected to the press button for simultaneous rotation with the press button.

Ensemble de serrure de porte qui comprend un bouton-pressoir placé dans un tube d'entraînement intérieur et une poignée intérieure. On prévoit un mécanisme de came associé au bouton-pressoir et au tube d'entraînement intérieur pour faire tourner le bouton-pressoir lorsque celui-ci est appuyé de manière axiale. Le mécanisme de came comprend une rainure/encoche de came inclinée qui est formée soit dans le tube d'entraînement intérieur, soit dans le bouton-pressoir et qui s'étend sensiblement dans une direction hélicoïdale, et une protrusion de came formée sur l'autre élément (le tube d'entraînement intérieur ou le bouton-pressoir, selon le cas) et qui s'étend vers la rainure/encoche de came. Une tige est reliée au bouton-pressoir pour une rotation simultanée avec ce dernier.

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