US Patent 8464564 Key ring with compressible gap

This invention relates to a key ring, comprising a wire (2) arranged in at least two rounds (20,21,22) providing a resilient spiral (1), said spiral (1) having a first and a second end (23,24), wherein the first end (23) by means of inertial resiliency is forced to tightly contact a first surface (21 A) of a lower round (21) and the second end (24) is forced to tightly contact a second surface (20 B) of an upper round (20) wherein at least one end (23) is openable, by means of arranging a peak (3 A) providing a compressible gap (5) between said at least two rounds (20,21,22), wherein said wire (2) in at least one of the rounds, preferably all rounds, has a cross-section wherein the thickness (h) and width (w) is such that 2h<w<15h.