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Lock Card Folding Knife
- Apr 21, 2017 -

The lock card folding knife, still has a knife, with the knife articulated blade, the knife of the hinge of the end of the circular arc, the knife round the beginning or end of the arc has a concave-shaped card mouth, the blade folding process with the circular arc and the concave groove corresponds to a slip slot, the chute with a circular arc and concave groove corresponding to the pin and can be struck between the pin and the blade connected with the pin to circular arc and concave-shaped card spring. Finger push pin out of the groove, and toggle pin drive blade along the knife of the circular arc sliding, open or fold the closure of the blade after the pin in the spring of the role of the card into the groove, the blade fixed.

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