Gradient adjusting structure of a treadmill

摘要

A gradient adjusting structure of a treadmill includes two symmetrical adjusting members and a telescopic rod. The center of the adjusting member is pivotally connected with inner face of the column near bottom end thereof. The first ends of the adjusting members are respectively pivotally connected with two sides of front end of the tread platform. A transverse beam is fixed between the second ends of the adjusting members and positioned under the bottom of front end of the tread platform, whereby the stop block of the tread platform can abut against the transverse beam. One end of the telescopic rod is pivotally connected with one side of the transverse beam, while the other end of the telescopic rod is pivotally connected with the bottom of the tread platform.