METHOD FOR LOCK CLOSING OR OPENING Russian patent published in 2002 - IPC

FIELD: locksmith's work. SUBSTANCE: the lock has a sleeve with an inner cavity and a blind groove and a bulge or a tongue. The method consists in the fact that the blind groove is matched with the bulge or tongue and performs reciprocating motion of the sleeve relative to the bulge or the tongue, or performs reciprocating motion of the bulge or tongue relative to the sleeve; as a result of reciprocating motion, the bulge or the tongue are positioned in the inner cavity of the sleeve, reciprocating motion is stopped, then the sleeve is turned about its axis, and the blind groove is positioned diametrically opposite its initial position, after that reciprocating motion is resumed in the same direction. EFFECT: expanded range of technical means for lock manufacturers. 2 cl, 5 dwg