KEY, CYLINDER LOCK AND LOCKING SYSTEM

PROBLEM TO BE SOLVED: To provide a key, a cylinder lock and a locking system, which cannot be unlocked with the conventional picking tool. SOLUTION: This key 1 having a head 2 and an insert part 3 includes: a movable plate 4 provided in the interior of the key 1 and provided with at least one pin pr...

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1. Verfasser: ONO MITSUTAKA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a key, a cylinder lock and a locking system, which cannot be unlocked with the conventional picking tool. SOLUTION: This key 1 having a head 2 and an insert part 3 includes: a movable plate 4 provided in the interior of the key 1 and provided with at least one pin projected on the upper end part thereof; and a driving plate 7 provided in the interior of the key 1, the end part of which is exposed from the head 3 to abut on the lower part of the movable plate 4, thereby pushing up the movable plate 4. The upper end part of the insert part 3 is provided with a pin receiving hole 11 for inserting at least one pin 5. COPYRIGHT: (C)2005,JPO&NCIPI