| 摘要 |
When carrying out repairs in, for example, flats and detached houses, it is advantageous for a number of authorized individuals to be able easily to gain access, independently of each other and without using a master key. This can be achieved by means of the present invention which consists of an arrangement on a door leaf 6 where a container 1 which can be locked by means of a combination lock 2, with a spindle which is fixed to the container and which replaces the existing pin, is fixed axially variably by means of a special pin 4 and washer 4c intended to hold the spindle. A double of the key in question is placed in the container. <IMAGE> |
