Patent ID: 9468788
Filing Date: 2016-10-18
CPC Classification: A63B

Claim Text:
1. An exercise machine comprising: a base member; a first column extending upwards from the base member; a first carriage slidably mounted on said first column and movable therealong between at least two operating position; an irregular pulley pivotally affixed to the first carriage for rotation through 180° about a pivot axis; at least one arm affixed to the first carriage and projecting outward therefrom; at least one traction element connected at one end to the irregular pulley; a retractable cartridge incorporating a clutch affixed to the base member and having another end of the traction element affixed to the retractable cartridge; a computer mounted to the base member; a pneumatic piston pivotally connected to the base member and with a piston rod extending upward; a second column extending upwards from the base member; a cam arm pivotally connected at one end to the second column and having a pulley at a free end thereof and cooperating with the traction element; a second carriage slidably mounted on the cam arm and connected to the piston rod, the second carriage including a threaded travelling nut; and a threaded guide screw cooperating with the threaded travelling nut, said guide screw being driven by a motor supported by the second column whereby translation of the second carriage along the cam arm varies the force needed to raise or lower the at least one arm.