Patent ID: 8062188
Filing Date: 2011-11-22
Classification: A63B

Abstract:
1. An elliptical exercise machine, comprising: a bottom frame, with a vertical bar provided on one end and a first support provided on another end opposite to the vertical bar, the first support having a rotating axis with a crank on each of the two ends thereof; two swing arms pivotally connected to the vertical bar, the end of the swing arms being formed with a connecting part that swings back and forth relative to the vertical bar; two transmission bars, each of which connects to the corresponding crank at one end and to the connecting part of the corresponding swing arm at the other end, with a pivotal connecting part formed thereon near the corresponding swing arm; a longitudinally extended sliding rail mounted on the bottom frame; two stepping bars, each of which is pivotally connected to the pivotal connecting part of the corresponding transmission bar at one end and functions as a dragging end on the other end, the dragging end being provided with a pivotal rotation element to connect to the sliding rail and being longitudinally displaceable therein; and two pedals, each of which is mounted on a respective one of the stepping bars; wherein the stepping bars simultaneously perform reciprocal rotating and moving motions, the stepping bars drive the transmission bars to rotate the cranks and the swing arms to swing, so that the pedals perform an elliptical motion.