| CPC G06K 19/07749 (2013.01) | 9 Claims |
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1. A RFID assembly, comprising:
a RFID engagement device, comprising a main body and a RFID structure, wherein the main body has an axial line and comprises a head and a body that are connected to each other along the axial line; the head has a receiving groove; the RFID structure has an insulating carrier; the insulating carrier fits into the receiving groove and encloses a RFID circuit module; and
an object, having a surface, wherein the surface has an engagement hole; the engagement hole has a hole axis and comprises an expanded portion and an insertion portion that are connected to each other along the hole axis; the expanded portion is adjacently connected to the surface; the body of the main body is inserted into the insertion portion; the head is at least partially placed in the expanded portion; a ratio of a diameter of the expanded portion to a diameter of the head is greater than or equal to 1.0312 and is less than or equal to 1.0625;
wherein the body is a cylinder and comprises a first section and a second section that are connected to each other; the first section is connected between the head and the second section; a concave-convex pattern is provided around the first section; a maximum outer diameter of the concave-convex pattern is greater than a diameter of the second section.
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