Lock with plunger unit

E - Fixed Constructions – 05 – C

Patent

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Details

E05C 21/00 (2006.01) E05B 65/08 (2006.01)

Patent

CA 2406944

A lock for preventing one member from moving relative to another member has a housing securable to one member, and a plunger unit mounted in the housing. The plunger unit has a sleeve, a plunger slidably mounted in the sleeve, and a spring acting between the plunger and the sleeve to resiliently bias the plunger to a locking position in which a free end portion of the plunger projects from one end of the sleeve. The plunger also has a manually operable portion projecting from an opposite end of the sleeve. In the locking position, the free end portion of the plunger projects from the housing to extend into an aperture in the other member, when the housing is secured to the one member, and thereby prevent relative movement between the members. The plunger also has an unlocking position in which the free end portion thereof is withdrawn from the aperture in the other member by pulling the manually operable portion against the action of the spring.

Cette invention concerne une serrure qui empêche un élément de se déplacer par rapport à un autre élément. Elle est dotée d'un boîtier qui peut être fixé à un élément et d'un ensemble verrou monté dans le boîtier. L'ensemble verrou est doté d'un manchon, d'un verrou qui s'installe en coulissant dans le manchon, et d'un ressort agissant entre le verrou et le manchon pour placer le verrou en position de verrouillage à résilience, selon laquelle une extrémité libre du verrou dépasse de l'une des extrémités du manchon. Le verrou est aussi doté d'une partie à fonctionnement manuel qui dépasse de l'autre extrémité du manchon. En position de verrouillage, la partie libre du verrou dépasse du boîtier pour s'encastrer dans une ouverture de l'autre élément, lorsque le boîtier est fixé à un élément, ce qui empêche le mouvement relatif des éléments. Le verrou a aussi une position de déverrouillage, qui permet de sortir manuellement la partie libre de l'ouverture de l'autre élément en tirant sur la partie à ressort à fonctionnement manuel.

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