Patent ID: 8454480
Filing Date: 2013-06-04
Classification: A63B

Abstract:
1. An exercise treadmill, comprising: a frame structure including, a pair of spaced apart longitudinal frame members for providing longitudinal structural support for said frame structure, and a motor support member; a pair of rotatable pulleys secured to said frame, said pulleys being positioned substantially parallel to each other; a motor for rotating a first one of said pulleys; a deck member; a belt secured over said pulleys so as to move in a longitudinal direction over said deck member when said first pulley is rotated; a control panel secured to said frame structure and operatively connected to said motor wherein said control panel permits a user to control the speed of said belt; a deck support structure including a first set of at least two laterally spaced resilient members, for supporting at least a portion of said deck on said frame structure, secured to said frame structure and having a portion abutting said deck and wherein said resilient members have a variable spring constant k effective to provide variable deflection rate of said deck; and an adjustment mechanism operatively connected to said resilient members effective to permit a user to change said spring constant k.