CYLINDRICAL LOCK ARRANGED WITH POSSIBILITY OF KEYS REPLACEMENT Russian patent published in 2011 - IPC E05B29/00 

FIELD: construction.

SUBSTANCE: cylindrical lock comprises the following components: a lock body or a stator, a cylinder or a rotor, an aligned row of the firs pins and an aligned row of the second pins. The cylinder or rotor is mounted so that it may turn in the body and has a through hole for key insertion. The first pins are installed with the possibility of displacement in radial direction in the cylinder in areas distributed along the cylinder axis. The second pins are installed with the possibility of displacement in the stator and are intended for interaction with the first pins. The lock also comprises an element to provide for the possibility to replace a key and the main key. The element providing the possibility to replace the key is installed in the area that corresponds to the contact zone between the rotor and stator. In the first position the specified element prevents interaction of two or more of specified first pins with according second pins. The main key comprises a key body, which, when inserted into the specified through hole for the key, interacts with the specified two or more first pins in order to displace the element to provide for the possibility to displace the key into the second position so that after rotation of the rotor the element for provision of the possibility of the key displacement is self-installed in a seat arranged in the specified rotor so that it will not any longer be able to interact with the specified two or more first pins.

EFFECT: invention provides for development of a cylindrical lock of simple design, in which re-adjustment for key displacement is carried out in a simple and quick manner.

12 cl, 8 dwg