Magnetic resistance mechanism in a cable machine

  • US 10,188,890 B2
  • Filed: 05/10/2018
  • Issued: 01/29/2019
  • Est. Priority Date: 12/26/2013
  • Status: Active Grant
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First Claim
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1. A cable exercise system comprising:

  • a tower;

    a first pull cable, a second pull cable, a third pull cable, and a fourth pull cable incorporated into the tower;

    a resistance mechanism linked to the first pull cable, the second pull cable, the third pull cable, and the fourth pull cable, the resistance mechanism including;

    a central shaft;

    a flywheel connected to the central shaft and configured to rotate by a user pulling on any of the first pull cable, the second pull cable, the third pull cable, and the fourth pull cable;

    rotation magnets configured to rotate with the flywheel; and

    resistance magnets arranged to apply one or more levels of magnetic resistance to rotation of the flywheel during a workout and thereby apply the one or more levels of magnetic resistance to the user pulling on any of the first pull cable, the second pull cable, the third pull cable, and the fourth pull cable during the workout;

    a magnetic sensor configured to track the rotation magnets as they rotate;

    a processor and a memory storing a counter and an energy tracker that are programmed instructions configured to be executed by the processor, the counter configured to count the number of partial rotations of the flywheel during the workout based on input from the magnetic sensor, the energy tracker configured to calculate a number of calories burned by the user during the workout by the user pulling on any of the first pull cable, the second pull cable, the third pull cable, and the fourth pull cable based at least in part on the counted number of partial rotations of the flywheel during the workout and based at least in part on the one or more levels of magnetic resistance applied to rotation of the flywheel by the resistance magnets during the workout; and

    a control panel including a display configured to present the calculated number of calories burned by the user during the workout.

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