Patent ID: 6439015
Filing Date: 2002-08-27
Classification: E05B,E05C,Y10T

Abstract:
A casement clousure device for a door, comprising:a housing adapted to be fixed to a door leaf or cabinet body, wherein said housing is provided with a housing channel; a key operated lock cylinder that is removably disposed in said channel of said housing; and a locking tongue that is held against said housing and is rotatable between an unlocking position and a locking position, wherein said lock cylinder is uncoupled from said locking tongue and is locked in said housing when a key is withdrawn from said lock cylinder, and when a key is inserted and moved to the unlocking position, said locking cylinder is removable, and wherein said locking tongue is provided with an actuation opening that is adapted to positively engage an actuating means that is insertable in said channel of said housing when said lock cylinder is removed from said housing, wherein a sleeve is disposed on said housing and is rotatable relative to said housing between said locking position and said unlocking position of said locking tongue, wherein said locking tongue is fixed in position in said sleeve, wherein said housing is provided on an outer surface thereof with an annular groove, wherein a wall of said sleeve is provided with two insertion channels that extend in a secant-like manner, wherein a clamping spring is disposed in said insertion channels, and wherein legs of said clamping spring radially engage said annular groove of said housing for establishing a positive connection that enables a relative rotation between said housing and said sleeve.