Patent ID: 7207091

Claim:
A clasp for securing two ends of an elongated item, the clasp comprising: a first clasp member, said first clasp member having a first bore configured to receive a magnet, said first clasp member having a first interface surface circumscribing said first bore; a second clasp member, said second clasp member having a second bore configured to receive a magnet, said second clasp member having a second interface surface circumscribing said second bore; a first magnet positioned in said first bore and coupled to said first clasp member; wherein said second clasp member is configured to be magnetically attracted to said first magnet; wherein said first interface surface and said second interface surface have mating profiles; and wherein rotation of said first clasp member with respect to said second clasp member in a first direction decreases magnetic attractive forces between said first clasp member and said second clasp member and provides for separation of said clasp members; wherein said first interface surface includes at least one cambered protrusion that mates with a complementary recess in said second interface surface; wherein said first magnet has first and second ends; and wherein said first magnet is positioned within said first bore and securedly attached at said first end to said first clasp member; and a second magnet having first and second ends; wherein said second magnet is positioned within said second bore and securedly attached at said first end to said second clasp member; and wherein said second end of said first magnet is positioned at or above the lowest point of said cambered protrusions on said first clasp member and said second end of said second magnet is positioned at or below the highest point of said cambered protrusions on said second clasp member.