Patent ID: 7637848

Claim:
An exercise apparatus for simulating stepping or skiing motions, comprising: a support frame, including an erect stand and a bottom frame, and the bottom frame being transversally disposed on a floor, and an end of the erect stand being coupled onto the bottom frame, and another end of the erect stand being extended upward; a wheel set, mounted on the support frame; two link rod devices, each composed of a first link rod and a second link rod, and said ends of the two first link rods being fixed to both ends of a wheel axle of the wheel set respectively, such that when the wheel set is rotated, the two first link rods can be rotated by using the wheel axle as a center, and other ends of the two first link rods pivotally coupled to said ends of the two second link rods respectively, and other ends of the two second link rods being extended parallelly along both sides of the erect stand respectively; two slide boards, each having a hanging hook disposed at an end of the slide board and latched onto a transverse rod of the erect stand, and at least one roller installed at the bottom of another end of the slide board, such that the two slide boards can be slid on the bottom frame, and secured onto the two second link rods respectively; and two pedals, each having at least one pedal roller installed at the bottom of the pedal for sliding on each slide board, and a connecting plate extended downward from an end of each of the two pedals, and the connecting plate having at least one position limiting roller, such that the connecting plate and the position limiting roller are used for positioning the pedal on the slide board, and an end of the connecting plate being coupled to another end of each second link rod, and driven by each second link rod; thereby, when a force is applied onto the two pedals to drive the pedals and move the two link rod devices, the two slide boards and the wheel set, a stepping motion is simulated, provided that the two slide boards are fixed to the two second link rods; and when a force is exerted onto the two pedals to drive the pedals to slide on the two slide boards and move the two link rod devices and the wheel set, a skiing motion is simulated, provided that the hanging hooks of the two slide boards are latched onto the transverse rods of the erect stand respectively.