FLEXIBLE COUPLING DEVICE
Issued: March 26, 1996
Inventor: Daniel Gomes, Worcester, New York
The flexible coupling device comprises a flexible rod or tube and means for removably securing the flexible rod or tube through the aligned bores of the pieces, and in axial tension between, thereby holding each of the pieces in a fixed longitudinal relationship, while permitting relative rotation between each of the pieces.
The problem of deformation of the flexible tubing is solved by placing a flexible metal rod or wire within the flexible tube. Securings are provided that include radial angular ridges in the interior of the flexible tube and a retaining post having radial angular ridges that interlock with the ridges in the flexible tube such that as the post is inserted into the flexible tube the post ridges and the tube ridges interlock to secure the flexible tube.
A second embodiment provides radial angular ridges on the exterior of the flexible rod and a retaining post having an interior bore with radial angular ridges that interlock with the ridges on the flexible rod such that as the flexible rod is inserted into the retaining post, the post ridges and the rod ridges interlock to secure the flexible rod. The flexible rod can be pulled through the retaining post such that the excess of the flexible rod can be trimmed once it is secured.
A retaining sleeve is also taught to prevent the rotation of the rod or tube within the piece that is being bound. The sleeve has an inner bore with retaining projections that engage a rod or tube inserted into the sleeve and retaining projections on the exterior of the sleeve that engage the interior of a bore in a piece when the sleeve is inserted into the bore such that the sleeve prevents that rotation of the tube or rod within the bore.
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