Patent ID: 6676574
Filing Date: 2004-01-13
Classification: A63B,Y10S

Abstract:
An adjustment mechanism for use with a user arm in an exercise machine, the user arm designed to strengthen the muscle of a user by moving the user arm, the adjustment mechanism comprising:a selector hub mounted on one end of the user arm; a selector rotatably connected to the selector hub, the selector being capable of being locked in position relative to the selector hub; a linkage bar having one end pivotably mounted to the selector; a support linkage bar being rotatably mounted to the opposite end of the user arm, the support linkage bar having one end rotatably coupled to the opposite end of the linkage bar; and a perpendicular rod coupled to the opposite end of the support linkage bar, the perpendicular rod being fixed in position relative to the user arm when the selector is locked in position relative to the selector hub.