| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent illegal key release by utilizing a clearance in a casing main body of a lock device to improve theft prevention performance. <P>SOLUTION: This lock device 1A is constituted in such a way that a cylinder lock 5 and a rotator 7 connected with the cylinder lock 5 are stored in a part storage chamber 2a of a casing main body 2, a solenoid unit 22 is attached to an outer face of the casing main body 2, the solenoid unit 22 has a lock lever 25 shifting between a rotation prevention position for preventing rotation of the cylinder lock 5 and the rotator 7 and a rotation allowing position for allowing their rotation, and the solenoid unit 22 shifts the lock lever 25 from the rotation prevention position to the rotation allowing position only when first operation is performed under proper conditions to allow rotation of the cylinder lock 5 and the rotator 7. An intrusion prevention block part 20 protruding into the part storage chamber 2a to prevent intrusion of illegal lock release tool and a separation preventive block part 30 protruding into the chamber 2a and preventing the intrusion of the faudulent unlocking tools are provided between an opening position of the part storage chamber 2a in which the cylinder lock 5 is inserted and the lock lever 25. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
