Patent ID: 7448990

Claim:
A pull exerciser comprising: a plurality of elastic cords of different elastic coefficients, with the plurality of elastic cords being connected in series, with each said elastic including two ends; and a plurality of handles, with adjacent ends respectively of a pair of elastic cords adjacent to each other being securely held by an associated one of the plurality of handles, with each said handle including a longitudinal hole having two end openings, with each said end opening being extended through by and associated one of the ends of an associated one of the plurality of elastic cords and having a minimum inner diameter smaller than a maximum outer diameter of the associated end of the associated elastic cord, thereby securely engaging the adjacent ends of the pair of elastic cords and an associated one of the handles together, with each said handle including a first handle part and a second handle part, with each of the first and second handle parts including an outer end defining the end opening, with each of the first and second handle parts including an inner end, and with the inner ends of the first and second handle parts being releasably coupled with each other, with the inner end of each said first handle part including a first protrusion formed on an end face thereof, with the first protrusion including a groove defined in an outer periphery thereof and having an open end and a closed end, with the inner end of each said second handle part including a first rib on an inner periphery thereof, and with the first rib being insertable through the open end of the groove into the groove of the first protrusion for coupling the first and second handle parts together.