Lock

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 9/08 (2006.01) E05B 13/00 (2006.01) E05B 15/10 (2006.01) E05B 17/20 (2006.01) E05B 7/00 (2006.01) E05B 15/00 (2006.01) E05B 15/02 (2006.01) E05B 63/18 (2006.01)

Patent

CA 2373122

A lock for a door (10) comprises a casing (11), a bolt (55), a pivoted operation handle (36), operable to retract the bolt, a locking member to deadlock the bolt against retraction, and a unitary spring steel connecting member (49) between the handle and the locking member. The connecting member has a central coil (56) around a rod (43) which acts as a pivot for the locking member and one end (57) of the connecting member is cranked to engage in a recess (48) of the locking member. The other end of the connecting member is shaped such that when engaged by the handle, as the handle is pivoted to retract the bolt, it transmits a force to said end (57) at the locking member to overcome the force of a spring (65) holding the locking member against the bolt, thereby to release the deadlocking and allow bolt retraction.

Une serrure de porte (10) comprend un boîtier (11), un pêne (55), une manette pivotante (36) fonctionnant pour rétracter le pêne, un élément de verrouillage pour bloquer le pêne et empêcher son retrait et un élément d'assemblage en acier à ressort unitaire (49) situé entre la manette et l'élément de verrouillage. L'élément d'assemblage présente une bobine centrale (56) autour d'une tige (43) qui fonctionne comme un pivot de l'élément de verrouillage, et une extrémité (57) de l'élément d'assemblage est déformée pour s'introduire dans un logement (48) de l'élément de verrouillage. L'autre extrémité de l'élément d'assemblage présente une forme telle que lorsqu'elle est introduite par la manette, tandis que la manette pivote pour rétracter le pêne, elle transmet une force à ladite extrémité (57) au niveau de l'élément de verrouillage pour surmonter la force d'un ressort (65) maintenant l'élément de verrouillage contre le pêne, ce qui permet de libérer le dispositif de verrouillage et de rétracter le pêne.

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