| 摘要 |
PROBLEM TO BE SOLVED: To provide a code lock capable of changing a personal identification number to a various kinds of letters, numbers or the like whereas only a code previously engraved/printed in a code ring can be used for a personal identification number of an existing code ring. SOLUTION: The invention is composed of a ring 9 with a fixed pin provided to the lock body 1 and a separately removable block body 10 on which numbers, letters or the like can be engraved/printed. The personal identification number can be set up freely and changed by inserting and replacing the block body 10 into the fixed pin 8 of the ring 9 with the fixed pin. COPYRIGHT: (C)2009,JPO&INPIT
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