US Patent 7789814 Device for hanging weights to an elongated bar member

A compact device for attaching weights to an elongated rod. One embodiment of the device comprises a tubular member and two arms attached to the tubular member. The tubular member can be slid onto the end of the elongated rod. Each of the two arms has a plurality of hook-shaped openings. Each pair of the corresponding hook-shaped openings defines a pocket for receipt of a bar member, such as the handle of a dumbbell. One device can be attached to each end of the elongated rod for supporting a plurality of dumbbells on each end thereof to thereby convert pairs of dumbbells into a barbell. Other embodiments are described and shown.