Patent ID: 9657761
Date: 2017-05-23
CPC Classifications: F16B

Claim:
1. A nail assembly, comprising: one or more double-pin nails, wherein each double-pin nail comprises a nail body and two nail pins extending from the nail body, each nail pin having a tail end having a single inclined face formed as a nail edge, the single inclined face being provided with at least one of a concave structure and a convex structure, wherein the nail body and the two nail pins of each double-pin nail define a plane having a front direction and an opposite, rear direction that are perpendicular to the plane, and wherein the single inclined face at the tail end of one nail pin of each double-pin nail faces one of the front and rear directions, and the single inclined face at the tail end of the other nail pin of each double-pin nail faces one of the front and rear directions.