| 摘要 |
#CMT# #/CMT# The housing has a cylinder blocking mechanism (20) movable between active and inactive positions. The mechanism blocks a key cylinder (10) in a cylinder housing (9) in the active position. The mechanism allows the cylinder to exit from the housing in the inactive position, for the replacement of the cylinder. The mechanism is activated from a rear side of the housing, in the inactive position. The housing is fixed by screws inaccessible from an outer side of a door e.g. emergency exit door. The mechanism has an activation part (21) accessible via an opening in the rear side. #CMT#USE : #/CMT# Used for being fixed on an outer side of a door e.g. emergency exit door, having an anti-panic lock for controlling and disabling the opening of the door of a room from the exterior (claimed). #CMT#ADVANTAGE : #/CMT# The housing fixation screws are inaccessible from the outer side of the door, and the cylinder blocking mechanism is activated from the rear side of the housing in the inactive position, so that the cylinder can be replaced with a new cylinder in a simple and rapid manner, while guaranteeing the safety against a forced attempt of the housing from an inner side of the door. The access to the rear side of the housing is therefore obtained and the mechanism can therefore be accessed for placing it in the inactive position to release the cylinder, without the need for dismounting a cover or a base plate. The mechanism can be implemented in a simple manner without the need for the utilization of any specific tool. The mechanism can be utilized on the door having any type of lock. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a simplified exploded perspective view of a door opening control housing. 1 : Door opening control housing 9 : Cylinder housing 10 : Key cylinder 20 : Cylinder blocking mechanism 21 : Activation part. |
