Importance

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Abstract

A surveillance marker clip assembly includes a dual pin head section having a smooth pin for insertion through the article to be protected and a grooved securing pin. The grooved securing pin is positively received and maintained in a locking mechanism including a pair of latching chocks. Flanges are provided on the latching chocks. The flanges provide secure and positive edge-to-edge mating engagement with the grove of the pin so as to resist forced withdrawal of the pin and removal of the marker from the article. A spring biases the chocks into engagement with sloped inner cam surfaces of the clip assembly housing thus forcing the chocks into a closed position. A spring steel biasing element may also be provided concentrically disposed around the chocks to further maintain the chocks in the closed position. The chocks are made of soft ferromagnetic material so as to be openable for the release of the securing pin by means of an electromagnetic release mechanism positioned at the cashier counter.

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First Claim