Patent ID: 7621849

Claim:
A stepper having a base having a front end; a rear end; a front supporting leg being transversally formed on the front end of the base and having a middle; and two ends; two side supporting legs being connected to the front supporting leg and each side supporting leg having a front end being connected to one of the ends of the front supporting leg; and a rear end; a rear supporting leg being transversally formed on the side supporting legs near the rear ends of the side supporting legs; a mounting bar being transversally formed on the side supporting legs near the rear supporting leg; a longitudinal bar being formed on and protruding from the middle of the front supporting leg and having a bottom end; and a top end; a connecting bar being transversally formed on the top end of the longitudinal bar; two guide rails being parallelly connected to the base and each guide rail having two guiding rods being connected to the connecting bar and the rear supporting leg, being parallel to each other and each guiding rod having an upper end; and a bottom face; a guiding wheel being rotatably mounted on the bottom faces of the guiding rods near the upper ends; and two pivotal shafts being transversally formed on the longitudinal bar above the front supporting leg; a treading device being movably mounted on the base and having two pedals being movably mounted on the guiding rods of the guide rails and each pedal having a front side; a rear side: an outer side; and two mounting holes being formed through the pedal from the front side to the rear side and being respectively mounted around the guiding rods of the guide rail; two pulley wheels being respectively and rotatably formed on the outer sides of the pedals; and a pedal cord being connected to the front sides of the pedals and being mounted around the guiding wheels of the guide rails; a handle device being pivotally connected to the base and the treading device and having two collars being respectively and rotatably mounted around the pivotal shafts of the base and each collar having an external surface; and two operating bars being rotatably connected to the base and each operating bar having a lower end being connected to the base near the front end of the base and being formed on and protruding upward from the external surfaces of a corresponding collar; an upper end; an external surface; a handle being formed on the upper end of the operating bar; and a holding frame being formed on the external surface of the operating bar near the lower end and being mounted around one of the pulley wheels of the treading device; an extended arm being formed on the external surface of the operating bar near the holding frame and having an inner side; an apex; and a linking rod being formed on and protruding from the inner side of the extended arm near the apex; and two elastic belts being respectively connected to base and the linking rods of the operating bars of the handle device.