Patent ID: 7819779

Claim:
A combination of treadmill and stair climbing machine, comprising: a frame; a roller rotatably supported by the frame; a first pedal and a second pedal, each pedal pivotally connected with the frame and including a belt positioned about the roller; an interconnection mechanism operably connecting the first pedal and the second pedal such that pivotal movement of the first pedal in a first direction is coordinated with pivotal movement of the second pedal in a second direction opposite the first direction; a switch member pivotally connected with the frame, the switch member configured to be pivoted to a first position wherein the first and second pedals are locked in a fixed orientation relative to the frame; a sub-frame connected to a side plate connected with frame; a handle having a cam head pivotably connected to a pin which extends through the sub-frame and a first hole defined through the plate, a spring mounted on the pin and biased between the side plate and the sub-frame, the switch member having an extension which has a second hole defined therethrough, the pin being inserted in the second hole when the switch member is set in the first position.