Patent ID: 8187155

Claim:
A training machine comprising: a base arranged for placement on the floor; a movable member provided on the base to be moved by the training action; a weight assembly comprising a plurality of weights; and a load exerting means for exerting a load to control the movement of the movable member, wherein the load exerting means comprises the weight assembly thereof arranged to be lifted vertically by the movement of the movable member as resisting gravity and a counter-force exerting means for exerting a return force on the movable member and preventing at least one of the plurality of weights of the weight assembly from lifting upward at a timing of shift from an upward movement to a downward movement of the weight assembly; the counter-force exerting means comprises a first coil spring segment and a second coil spring segment, the first coil spring segment has a higher spring constant than the second coil spring segment, and the first coil spring segment exerts the counter-force and the second coil spring segment provides a cushioning effect, and the counter-force exerting means is arranged at the weight assembly and acts on the weight assembly.