| 摘要 |
An anti-pick device for lock (10) consists of a keyhole protective shield (20), on the upper portion of which is formed a keyhole (23), a protective wall (22) surrounds the keyhole (23), a receiving arched plate (24) extends from the opening end of the wall (22), on the base of the main body (21) of the shield (20) there is an opening (28), the inner wall surface of the body (21) is provided with a shutter (30) near the keyhole (23), the shutter (30) consists of an L-shaped fixing plate (31), which is fixed onto the inner wall surface of the main body (21), a pivot pin (32) is secured to the plate (31), the pin (32) is provided with a torsing spring (33) and a closure flap (34).
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