US Patent 8365369 Clutch for precious metal earrings

A clutch for post earrings includes a housing which is open at one end thereof and has an aperture therethrough in the opposite end thereof, a cap member which is received on the open end of the housing and also has an aperture therethrough, and an insert of a resilient leaf member that includes a support piece captured between the housing flange and the cap member and a pair of leaves supported from the support piece. The leaves converge with respect to each other and are disposed in facing relationship for receiving a post therebetween. The post is receivable in the clutch so that it extends through the cap member and housing apertures and is received in frictional engagement between the leaves.