| 摘要 |
PROBLEM TO BE SOLVED: To provide a pick-proof device of sliding door equipment, which simply and easily enhances security. SOLUTION: The existing automatic door equipment is provided with a locking device which is composed of a lock body 4a and a lock-body retainer piece 5a. In the automatic door equipment, the pick-proof device is placed on a downside guide rail 3. The pick-proof device comprises: a main plate 7, in which a main through-hole 7c, allowing the penetration of the lock body 4a, is provided in an opened state, and in which a raised piece 7a for being superposed on the lower edges of the front and back sides of a door body is integrally formed; and a first auxiliary lock piece 10a which is integrally fixed to the main plate 7, which is positioned between the lock body 4a, protruded from the door body, and a groove bottom piece 3b of a guide groove 3c, and which is locked to the piece 5a from a closing side, so as to regulate the opening of the door body. COPYRIGHT: (C)2008,JPO&INPIT
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