Patent ID: 6699160
Filing Date: 2004-03-02
Classification: A63B

Abstract:
An inclination mechanism for a treadmill having a tread frame with a front, and the inclination mechanism comprising:a base frame having a cross bar, a top, two opposite sides adapted to mount and attach underneath the front of the tread frame and two posts respectively formed upright from the top of the base frame at each side; a lever arm having a cross member with a center and two coupling arms, each coupling arm having a coupling end adapted to be pivotally connected to the front of the tread frame of the treadmill and each coupling arm pivotally attached to one of the posts of the base frame at a pivot point between the cross member and the coupling end of the coupling arm; a chassis having a first side and a second side opposite to the first side, and pivotally attached to the cross bar of the base frame of the treadmill; and an actuating assembly attached to the second side of the chassis and having a drive rod, the drive rod movably mounted in the actuating assembly and having a front end pivotally attached to the cross member of the lever arm; wherein the cross member of the lever arm is moved by the drive rod thereby changing the inclination of the tread frame of the treadmill.