US Patent 10182624 Multiply functioning finger ring

An assembly for ornamenting a proximal end of a finger and for enhancing friction at the distal end of the finger, the assembly incorporating first and second bands; a void within the second band for receiving and releasing the finger; a frictional crown attached to the second band; and a shaft having an anchor end pivotally attached to the first band and having an opposite end pivotally attached to the second band, the shaft being adapted for guiding, orbiting, and counter-orbiting movements of the second band between flexed and extended positions, wherein in the flexed position, the crown overlies the proximal end of the finger, and wherein in extended position, the crown overlies the finger's distal end.