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

FIELD: locksmith's work. SUBSTANCE: the code lock has a body, code handles with marks, tongues, groove and a cross-bar or a locking bolt, or a shutter installed for an authorized movement relative to the body, in addition, it is provided with a sleeve with a bottom, side surface and inner cavity, one of the code handles is installed on the cross-bar or locking bolt for turning, and the other code handle is installed on the surface of one of the code handles for fixing in the necessary position, and the groove is made blind on the side surface of the sleeve and tangentially relative to its center, and the tongues are installed on the surface of the other code handle, the tongues are also made tangentially relative to the sleeve center, the distance between the sleeve center and the central axis of the blind groove, and the distance between the sleeve center and the line connecting the centers of the two tongues are equal, the tongues are installed on the diameter of the circle inscribed in the inner cavity of the sleeve, and the sleeve with the blind groove is made for kinematic engagement with the tongues. EFFECT: enhanced resistance to break-in. The method for closing or opening of the code lock is offered. 6 cl, 4 dwg