Patent ID: 7381159
Filing Date: 2008-06-03
Classification: A63B

Abstract:
1. A stepper comprising: a base frame, said base frame having a front upright tube on a middle of a front side thereof and a horizontal locating frame bar perpendicularly and fixedly connected to said front upright tube and horizontally extending toward a rear side of said based frame; two pedal frames arranged at two sides relative to said horizontal locating frame bar and holding a respective pedal, said pedal frames each having a front coupling rod respectively pivotally connected to said front upright tube of said base frame, said coupling rod having a lug; a friction wheel coupled between a distal end of said horizontal locating frame bar and a rear part of said base frame, said friction wheel having a traction plate disposed at a top side thereof; two links respectively coupled between two distal ends of said traction plate and the lugs at the coupling rods of said pedal frames; and an adjustment rod rotatably mounted in said base frame, said adjustment rod having a friction block disposed in friction contact with said friction wheel.