Sealed lever latch

E - Fixed Constructions – 05 – C

Patent

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Details

E05C 3/08 (2006.01) E05B 5/02 (2006.01) E05B 7/00 (2006.01) E05B 13/00 (2006.01) E05B 13/10 (2006.01) E05B 17/00 (2006.01) E05C 3/04 (2006.01) E05B 63/06 (2006.01)

Patent

CA 2076103

The present invention provides a sealed lever latch for securing a door panel of a cabinet or the like in a closed position relative to the frame. The sealed lever latch is installed within an aperture formed in the door, and releasably retains the door against the frame when the door and the frame are latched together. The sealed lever latch includes a housing for mounting in the door, a handle assembly which is pivotally attached to the housing, and rotatable between an opened and closed position, and a fastening means. The fastening means retains the door, when the door is closed against the frame, by engaging the frame as the handle assembly is rotated to the closed position. The housing, handle assembly and fastening means form a integral solid structure for preventing the passage of matter through the latch itself. The sealed lever latch further includes a biasing means which is adapted to retain the handle assembly in the closed position, and urge the handle assembly from the closed position to the opened position upon disengagement. A trigger means is also included for latching the handle assembly in the closed position, and unlatching the handle assembly from the closed position for movement to the opened position. The trigger means which is integrally disposed within the central vicinity of the handle assembly provides increased mechanical advantage during the closing thereof.

L'invention porte sur un levier de fermeture scellé permettant de verrouiller un panneau de porte d'une armoire ou autre élément de rangement semblable en position fermée relativement au cadre. Le levier de fermeture scellé est monté dans une ouverture percée dans la porte et maintient de façon non permanente la porte contre le cadre lorsque la porte et le cadre sont verrouillés ensemble. Il comprend un boîtier à monter dans la porte, un groupe poignée fixé de façon rotative au boîtier et pouvant passer d'une position fermée à une position ouverte, et un élément de fixation. L'élément de fixation retient la porte, lorsque cette dernière est fermée et s'appuie contre le cadre, en enclenchant le cadre lorsque le groupe poignée est tourné en position fermée. Le boîtier, le groupe poignée et l'élément de fixation forment une structure intégrale solide qui empêche le passage de toute matière à travers le verrou. Le levier de fermeture scellé comporte également un élément oblique conçu pour retenir le groupe poignée dans la position fermée et pour forcer ce dernier de la position fermée à la position ouverte lors du déverrouillage. De plus, un élément de déclenchement est prévu pour verrouiller le groupe poignée en position fermée et pour déverrouiller ce dernier afin de le faire passer en position ouverte. En outre, il est disposé intégralement près du centre du groupe poignée, de sorte qu'il offre un meilleur avantage mécanique pendant la fermeture de la porte.

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