PUZZLE-CASE "BIKUBIC" Russian patent published in 2003 - IPC

FIELD: entertaining industry. SUBSTANCE: puzzle-case is composed of two three- sided halves , which may be connected to one another along guides and closed after joining with the use of code locking device mounted on internal surface of each side and made in the form of a number of code locks inserted into through openings of each side. Each ring-latch is movably connected with ring-latch of adjacent sides so as to form therewith a single movable system, which may be blocked by lag of any code lock. Blocking is caused by rotating code lock pointer positioned on outer surface of side through any random code mark. Lag may be eliminated and ring-latch may be unlocked by moving code lock pointer back to predetermined code mark. After unlocking of rings-latches, puzzle may be opened and prize preliminarily placed therein may be withdrawn. EFFECT: increased amusing effect by simplified recoding of locking device and increased number of code combination versions of locking device. 9 dwg