Patent ID: 9605706
Date: 2017-03-28
CPC Classifications: F16B,Y10T

Claim:
1. A rivet nut unit bonding at least one plate by being riveted to the plate and fastening with a bolt, the rivet nut unit comprising: a head portion supported on an upper surface of the plate at a position corresponding to a processed hole in the plate, and formed with a penetration hole in the middle thereof corresponding to the hole; an insertion portion extended from one side of the head portion, inserted into the hole, and formed with at least one slot and a protruding end bent to a lower surface of the plate for coupling the head portion to the plate while riveting the plate; wherein the head portion is integrally formed with at least one supporting portion protruding from one side thereof corresponding to an upper surface of the plate; and wherein the supporting portion comprises: a plurality of first support protrusions radially formed at an external circumferential surface of the insertion portion toward an external circumferential surface of the head portion; and a plurality of second support protrusions disposed between the first support protrusions along a circumferential direction of the head portion and formed to be rounded from the external circumferential surface of the head portion toward the external circumferential surface of the insertion portion.