US Patent 7140585 One-hand clip capable of preventing hanging object from dropping

A one-hand clip of the present invention is composed of a main body, a pair of semicircular hooks a pair of rotating pins and a pair of elastic bodies. The hooks each fixed by a rotating pin and an elastic body at each bottom end of the main body pinches an inserted object by the power created by the spring of the elastic bodies as well as by the weight of the inserted object to be hung. Inserting or detaching operation is accomplished by an upward movement of the inserted object thus requiring little power or skill of the user.