| 摘要 |
PROBLEM TO BE SOLVED: To avoid hanging-around of an aged person and an accident of a baby on the outdoors, by providing an indoor side locking device easily installable by post-installation and lockable and unlockable in the indoors.SOLUTION: An indoor side locking device is composed of a lock holding piece 3 used for an inward opening door 9 of a building and removably installed in a door frame 17 so that an inner end part 12 projects inward from an indoor side surface of the inward opening door 9, a door closing piece 5 removably installed in the inner end part 12 of the lock holding piece 3 and locked on the indoor side surface of the inward opening door 9 and a lock body 4 installed in a part of projecting to the indoor side from a locking position to the door closing piece 5 in the inner end part 12 of the lock holding piece 3 and holding an installation state to the lock holding piece 3 of a door locking piece 5 in locking time.SELECTED DRAWING: Figure 2 |
