Lock

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 27/02 (2006.01) E05B 27/00 (2006.01) E05B 63/14 (2006.01)

Patent

CA 2203067

A lock includes a casing, a cylindrical rod and a key, the casing having a longitudinal hole for the cylindrical rod received therein. The casing and the cylindrical rod have a main transverse hole device defined radially respectively therein and are in alignment with each other for receiving a main pin device therein, the cylindrical rod having a key hole defined longitudinally therein, at least one offset transverse hole device defined between the key hole and the main transverse hole device which is parallel to the offset transverse hole device so as to communicate with the main transverse hole device and the key hole, the offset transverse hole device having an offset pin device received therein, the offset pin device being lifted by a movement of the key inserted in the key hole to operate the main pin device to open the lock. In addition, the main pin device includes two hollow cylindrical pins for receiving two cylindrical pins and a ball-shaped pin, a recess defined in a periphery of the cylindrical rod for cooperating with the main pin device which is adjusted by a specific key.

Cette invention concerne une serrure qui comprend un boîtier, une tige cylindrique et une clé, le boîtier comportant un trou longitudinal dans lequel s'insère la tige cylindrique. Le boîtier et la tige cylindrique comportent chacun un alésage transversal principal sur un même rayon, donc dans le prolongement l'un de l'autre, dans lesquels se loge une cheville principale, la tige cylindrique comportant aussi une entrée de clé correspondant à son axe longitudinal; au moins un alésage transversal décalé entre l'entrée de clé et l'alésage transversal principal et parallèle à ce dernier tout en empiétant sur celui-ci et l'entrée de clé, l'alésage transversal décalé logeant une cheville secondaire soulevée par la clé insérée dans l'entrée de clé pour actionner la cheville principale et déverrouiller la serrure. De plus, la cheville principale comprend deux goupilles creuses recevant deux axes cylindriques et une goupille à bout arrondi, et la tige cylindrique un évidement périphérique coopérant avec la cheville principale qui est ajustée par une clé précise.

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