Treadmill with a movable switch mounted on an arm thereof

摘要

A treadmill includes a main frame including two opposite sides each having an arm extending from the main frame. A platform is mounted on the main frame. An endless strap is movably mounted surrounding the platform. A computer is mounted on the main frame for showing data of the treadmill. At least one movable switch is mounted on the arm of the main frame and includes a holder secured on the arm. The holder has two electrode plates mounted therein and opposite to each other. The two electrode plates are respectively electrically connected to the computer. A rotor is movably and partially mounted in the holder and has a convex electrode plate attached to a bottom of the rotor and electrically connected to the computer. The convex electrode plate is selectively contacted to the two electrode plates of the holder.