US 11,986,069 B2
Pivot chain end for jewelry
Sanjay Jaiswal, Mumbai (IN)
Appl. No. 17/309,393
Filed by Sanjay Jaiswal, Mumbai (IN)
PCT Filed Oct. 7, 2020, PCT No. PCT/IB2020/059406
§ 371(c)(1), (2) Date May 25, 2021,
PCT Pub. No. WO2021/260424, PCT Pub. Date Dec. 30, 2021.
Claims priority of application No. 202021026237 (IN), filed on Jun. 22, 2020.
Prior Publication US 2023/0108215 A1, Apr. 6, 2023
Int. Cl. A44C 5/20 (2006.01); A44C 15/00 (2006.01)
CPC A44C 5/2057 (2013.01) [A44C 15/005 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A pivot chain end (100) for jewelry comprising:
an eyelet (106) circular in shape, which is linked with a back chain (102) includes an abutted cylindrical portion (106A) having a through hole (106B), wherein the through hole (106B) is threaded to accommodate a screw (110) having a cylindrical head (110A), whereby the screw is partially threaded (110C) on a body (110B) of the screw in order to secure the eyelet on the body of the screw; and
a metal disc (108) preferably made of gold or gold plating characterized in that the metal disc having three flat flanks (108A) and one curved ridged side (108B), wherein the metal disc allows the screw to pass through the metal disc such that the cylindrical head of the screw rests within a larger hole (108C) of the metal disc on one side, the body (110B) of the screw passes through to other side from a smaller hole (108D) connecting the eyelet, wherein the partial thread on the body (110C) facilitates securing the metal disc with the eyelet and enabling the eyelet to freely rotate 360 degree axially as per movement of the back chain (102).