US Patent 7326157 Exercise device with stretchable elastic member

An exercise device includes an elastic member, a bar, and a handle coupled to an end of the elastic member. The bar includes an end having an engaging hole. The end of the bar further includes at least one longitudinal slot. The bar further includes at least one transverse slot extending from an inner end of the at least one longitudinal slot. The handle includes a grip portion and a connecting portion. The connecting portion includes at least one protrusion. The connecting portion of the handle is releasably coupled with the engaging hole of the end of the bar, with the at least one protrusion moving along the at least one longitudinal slot and the at least one transverse slot.