US 12,285,087 B1
Flat-back earplug
Jinbo Fu, Jiujiang (CN)
Filed by Jinbo Fu, Jiujiang (CN)
Filed on Oct. 14, 2024, as Appl. No. 18/915,124.
Int. Cl. A44C 7/00 (2006.01)
CPC A44C 7/003 (2013.01) 7 Claims
OG exemplary drawing
 
1. A flat-back earring clutch, configured to fix an ear stud, comprising:
an upper ring (10), wherein the upper ring (10) is defined with a passage configured to accommodate an ear post of the ear stud to pass through, and the ear post of the ear stud is inserted from one side of the passage and passes out from the other side of the passage; and an end surface of the upper ring (10) for accommodating an insertion of the ear post is in contact with an ear; and
a lower ring (30), wherein the lower ring (30) is defined with an accommodation cavity (31), the upper ring (10) is inserted into the accommodation cavity (31), a U-shaped clasp (20) configured to fix the ear post is located within the accommodation cavity (31) between the upper ring (10) and a bottom floor of the lower ring (30) defining a bottom surface of the accommodation cavity (31), and a part of the ear post passing out from the passage extends into the accommodation cavity (31) and is clamped on the U-shaped clasp (20);
wherein the passage is composed of a cavity (11) and a guide hole (12), and the ear post is inserted from a side of the cavity (11) and passes out from a side of the guide hole (12); and
wherein the upper ring (10) is provided with an inner magnetic ring (13), the inner magnetic ring (13) is arranged close to the end surface of the upper ring (10) defined with the cavity (11), the lower ring (30) is provided with an outer magnetic ring (32) on an end surface of the accommodation cavity (31), and the inner magnetic ring (13) and the outer magnetic ring (32) are magnetically connected.