| 摘要 |
<p>PROBLEM TO BE SOLVED: To reliably prevent wrongdoing without making a device large, with respect to a theft prevention device comprising a tag 10 and a merchandise attaching member 2. SOLUTION: The merchandise attaching member 2 is formed by stabbing a pin 21 into a button 22. Inside the housing 1 of the tag 10, a clamp member 3 for clamping the pin 21 of the member 2, an on/off switch 8 to be pressed down by the button 22 of the member 2 and a buzzer 6 whose operation is controlled on the basis of an on/off signal from the switch 8 are arranged. The clamp member 3 is supported in a turnable way and can be removed from the pin 21 accompanying one-way turning. The switch 8 is provided with an operation piece 82 projecting to the outside of the housing 1 and a cylindrical guide part 83 surrounding the base end part of the operation piece 82, and the guide part 83 constitutes the support shaft of the spring clamp member 3.</p> |
