Patent ID: 8092350

Claim:
An electric stepper comprising: a base to be horizontally placed on the ground, having a rotation shaft, a pivot and a post; an upright rod fixed on the post; a main seat mounted on the base, having a tube sheathing on the rotation shaft and a horizontal shaft; a left foot support pivotally supported on the left of the horizontal shaft; a right foot support pivotally supported on the right of the horizontal shaft; a left link, two ends of which are separately connected to the front of the left support and a left crank; a right link, two ends of which are separately connected to the front of the right support and a right crank; a rocker arm pivotally fixed on the pivot of the base and connected to the left crank; a bearing set connecting between the left crank and right crank and having a driven wheel; a gear box at the rear end of the main seat and having a driving wheel for driving the driven wheel through a belt; and a motor coupled to the driving wheel of the gear box wherein a user standing on said supports can do a stepping exercise while assisted by said motor.