Safety dyna-bender

Claim 1

A safety dyna-bender having a steel spring coil, a pair of metal handle pipes repsectively connected at both ends of the steel spring coil defining a hollow section therein, a pair of hollow hand grips separately coupled with the outer end portions of the handle pipes, and a wrist ring provided at each end of the hand grips, which comprises: a flexible cord movably installed in the hollow section defined by the steel spring coil and the handle pipes and positioning means respectively disposed at each end of the handle pipes for movably anchoring and restraining said flexible cord so that protection against any unexpected accidents resulting from either the breaking of the steel spring coil or the sudden loosening of the handle pipe thereof can be effected therewith, said positioning means comprises a pair of cup shaped positioning anchors each having a flange collar integrally formed along the edge thereof for being extrudingly secured along the open edge of the handle pipes, and a central aperture formed through the middle thereof for movably anchoring said flexible cable and restraining the retraction of the wrist rings thereof.