US Patent 7276017 Pedal angle adjustable device for exercisers

A pedal angle adjustable device for an elliptical trainer includes two adjustable plates pivotably connected between the pedal and two connection plates which are pivotably connected to an end of the pedal. The two adjustable plates each have a positioning hole composed of a plurality of positioning notches and a positioning rod extends through the two connection plates and the positioning holes in the two positioning plates. A push block connected to a handle is located in front of the positioning rod such that when operating the handle, the push block may push the positioning rod from one positioning notch to another and the pedal can be pivoted about the pivotal point on the end of the pedal.