| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To effectively show the effect of theft prevention by preventing the key hole of a lock from being directly touched or peeped by concealing the key hole. <P>SOLUTION: An outer frame 1 is installed on one side of the lock, and a storage space 11 is formed in the outer frame 1. A displacement body 2 is movably inserted into the storage space 11, and comprises a fitting space 22 and a through hole 24. The through hole 23 is formed so as to be aligned with the key hole by the displacement of the displacement body 2. A key introduction seat 3 is movably inserted into the fitting space 22 of the displacement body 2, and an insertion hole 33 is formed in the key introduction seat 3. A key 8 is inserted into the insertion hole 33. The insertion hole 33 is formed so as to be aligned with the key hole by the displacement of the key introduction seat 3. A connection part 42 is provided to one end of a connection rod 4. The connection part 42 is so formed that the key performs the unlocking and locking of the lock by fitting to the key 8 for moving and rotating the key. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
