发明授权
US07474222B2 Disposable, single use security tag 失效
一次性使用安全标签

Disposable, single use security tag
摘要:
An single use, disposable electronic article surveillance tag is claimed wherein the tag features a spindle assembly which anchors and retains a set of ball bearings which are used to clutch and retain the shaft of a tack. The spindle features an operational tab which may be contacted by the appropriate probe to turn the spindle about a central axis.
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