A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 22/04 (2006.01) A63B 21/005 (2006.01) A63B 23/04 (2006.01) A63B 69/16 (2006.01)
Patent
CA 2121857
-36- ABSTRACT A bi-modal step exercise apparatus includes a crossover pulley mechanism that permits the user to select a dependent mode of operation and an independent mode of operation. The apparatus has a pair of step beams pivotally mounted to the frame of the apparatus. The pivotal mounting permits rotational movement of the beams in a vertical direction. The apparatus has a resistive load mechanism which is secured to the frame and which generates a user resistive load. The step beams are connected to the resistive mechanism by the crossover pulley mechanism which includes two pulleys, each of which is connected by a line to one of the two step beams. The two crossover pulleys can rotate independently of each other to permit the independent operation of the two step beams. The crossover pulley mechanism also includes a spring which causes one pulley to rotate with respect to the other, thereby elevating both step beams when no downward force is exerted on the step beams. In addition, the crossover pulley mechanism includes an engagement mechanism which rotationally engages one crossover pulley to the other crossover pulley. When the pulleys are rotationally engaged, the pulleys rotate synchronously such that the two step beams operate in a dependent mode. The exercise apparatus may also include a flywheel constructed in part from electrically conductive material and a magnetic mechanism for providing a resistive load by creating eddy currents in the flywheel. The magnetic mechanism is moved in a radial pathway relative to the flywheel by an associated motor-driven rack.
Bacalzo Dean
Niemotka Michael Adam
Ryan Al
Shivde Sanjay
Shupe Ronald G.
Life Fitness
Riches Mckenzie & Herbert Llp
LandOfFree
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