Locking cover for dead bolt actuators

Details Locking cover for dead bolt actuators Locking cover for dead bolt actuators

E - Fixed Constructions

05

B

E05B 13/00 (2006.01) E05B 63/00 (2006.01) E05C 1/06 (2006.01)

Patent

CA 2333213

A locking cover (20) for a dead bolt lock assembly (30) that permits a user to put it in one of three positions: neutral, locked and unlocked. The cover in the neutral position permits the operation of the bolt lock assembly normally. The other positions limit the rotational travel of the actuating shaft (60) to one quarter of a turn. The actuating shaft (60) is rotated by turning the locking cover (20) that includes a central tubular cylinder (47) that for selective engagement with the actuating shaft (60). A pin (22) mounted on the interior of the cover is receivable within one of three holes on an annular base plate (40) that limit the rotation of the actuating shaft. An annular base plate (40) with a through opening (46) includes a perpendicularly disposed tubular member (47) that has an inwardly extending flange that together with an annular plug (52) and a retainer ring (50) keep in place a spring member (54) biasing the cover towards the annular base plate assembly (40).

L'invention concerne un couvercle de verrouillage (20) destiné à un ensemble de verrouillage à pêne (30) qu'un utilisateur peut mettre dans l'une des trois positions suivantes: neutre, verrouillée et déverrouillée. En position neutre, le couvercle permet de manipuler normalement l'ensemble de verrouillage à pêne. Dans les deux autres positions, la course circulaire de la tige d'actionnement est limitée à un quart de tour. On fait tourner la tige d'actionnement (60) en faisant pivoter le couvercle de verrouillage (20) qui comprend un cylindre central (47) destiné à mettre en prise de manière sélective la tige d'actionnement (60). Un tenon (22) monté sur le côté intérieur du couvercle peut rentrer dans l'un des trois trous faits dans une plaque de base annulaire (40) qui limite la rotation de la tige d'actionnement (60). Une plaque de base annulaire (40) comportant une ouverture transversale (46) comprend un élément tubulaire perpendiculaire (47) qui possède un rebord faisant saillie vers l'intérieur; conjointement avec un bouchon annulaire (52) et un anneau de retenue (50), ils retiennent un élément élastique (54) qui sollicite le couvercle vers l'ensemble plaque de base annulaire (40).

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