US Patent 7392677 Lock core structure

A lock core structure including a housing, a lock core, at least two latch elements and plural lock piece sets. Each lock piece set includes a division plate and a first lock piece and the second lock piece are embedded in two sliding tracks on the division plate, and an elastic element is mounted between the first lock piece and the second lock piece for interlocking the first and the second lock pieces. Through the interlocked structure between the first lock piece and the second lock piece, it will be harder for the thief to break the lock core.