Combination lock

E - Fixed Constructions – 05 – B

Patent

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Details

E05B 37/12 (2006.01) E05B 37/00 (2006.01) E05B 37/14 (2006.01) E05B 37/02 (2006.01) E05B 37/16 (2006.01)

Patent

CA 2484879

A combination lock comprising a housing (22), a locking bolt (30) and a locking breach (140), at least one locking assembly (66) rotatably supported within the housing (22) and comprising a disc member (70) formed with a peripheral recess (72), a cam wheel (80) and a reset cam (76). A locking member (56) is formed with at least one locking lug (58) angularly displaceable between an un-locked position in which all the looking lugs engage within the peripheral recess (72) of the disc members (70) and where the locking breach (140) is disengaged from the locking bolt (30), and a locked position in which at least one of the locking lugs (58) is disengaged from the peripheral recess (72), where the locking breach (140) arrests the locking bolt (30). A planarly displaceable manipulating member (120) comprises at least one follower (130) corresponding with each cam wheel (80). A reset mechanism (88) is provided for rotating all disc members (70) into a reset position.

La présente invention concerne un cadenas à combinaison comprenant un carter (22), un étrier verrouillant (30) avec une targette (140), au moins un ensemble verrouillant (66) monté rotatif à l'intérieur du carter (22) et comprenant un élément en disque (70) portant un évidement périphérique (72), une roue à came (80) avec une came de dégagement (76). Un élément verrouillant (56) comporte dans sa forme au moins un taquet verrouillant (58) angulairement mobile entre une position déverrouillée et une position verrouillée. En position déverrouillée, tous les taquets sont engagés dans l'évidement périphérique (72) des éléments en disque (70) faisant que la targette (140) libère l'étrier (30). En position verrouillée, l'un au moins des taquets (58) est sorti de l'évidement périphérique (72), ce qui fait que la targette (140) retient l'étrier (30). Un manipulateur (120) mobile dans un plan comporte au moins un suiveur (130) correspondant à chacune des roues à came (80). Un mécanisme de dégagement (88) permet de ramener par rotation tous les éléments en disque (70) en une position de dégagement.

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