| 摘要 |
PROBLEM TO BE SOLVED: To provide an indication lock which enables a person to easily recognize that a door is in a locked state or in an unlocked state during the use of an indoor space from the outside. SOLUTION: In this indication lock, a locking indication portion for indicating that the door is in the locked state, and an unlocking indication portion for indicating that the door is in the unlocked state are formed so that either 6 of the locking indication portion and the unlocking indication portion can be indicated in an indication window 4 in such a manner that the locking indication portion and the unlocking indication portion are switched by a locking or unlocking operation. The locking indication portion and the unlocking indication portion are formed of materials with translucency which are colored in different colors, respectively. The locking indication portion and the unlocking indication portion are also formed so that the indication of the indication portion 6 which is indicated in the indication window 4 provided on the outdoor side can perform indication in a translucent state in such a manner that light which is introduced from a light introduction portion 5 provided on an indoor side passes through a light passage portion 9. COPYRIGHT: (C)2008,JPO&INPIT
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