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1. WO2020108717 - A MULTIFUNCTIONAL EXERCISE APPARATUS

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[ EN ]

CLAIMS

1. A multifunctional exercise apparatus for exercise of humans, in particular astronauts, said apparatus comprising a first module comprising a cable reel system operably connected to a torque resistance mechanism, and a second module comprising a flywheel and a brake for providing resistance to the flywheel,

wherein the first and the second module can be arranged in at least a first position and a second position relative to each other, so that in the first position the torque resistance mechanism of the first module is operably connected to the flywheel of the second module, and in a second position the torque resistance mechanism of the first module is operated independently of the flywheel, when a user pulls a cable of the cable reel system.

2. The multifunctional exercise apparatus according to claim 1, wherein the torque resistance mechanism is connected to a first part of a coupling mechanism, and the flywheel is connected to a second part of the coupling mechanism, thereby enabling an operable connection when the first and the second part of the coupling mechanism are engaged .

3. The multifunctional exercise apparatus according to claim 1 or 2, wherein the first module and the second module are connected by a hinge, for allowing the multifunctional exercise apparatus to be moved between the first and second position.

4. The multifunctional exercise apparatus according to claim 3, wherein the hinge is a double hinge allowing a surface of the first module to flush with a surface of the second module.

5. The multifunctional exercise apparatus according to any of the claims 1 to 4, wherein the first module and the second module can be arranged in a third position in which a main extent of the first module is perpendicular to a main extent of the second module.

6. The multifunctional exercise apparatus according to any of the claims 2 to 5, wherein the first part and the second part of the coupling mechanism are first hub and second hub, respectively, to be engaged using a common axle.

7. The multifunctional exercise apparatus according to claim 6, wherein the second hub is provided with a through-going axle fitted with pedal arms and pedals at each end in the third position.

8. The multifunctional exercise apparatus according to any of the claims 1 to 7, further provided with engaging means for accommodating a seat post.

9. The multifunctional exercise apparatus according to any of the claims 1 to 8, wherein the brake comprises a braking band arranged around a portion of the perimeter of the flywheel and a tension adjusting mechanism allowing adjustment of the tension of the braking band.

10. The multifunctional exercise apparatus according to any of the claims 1 to 9, wherein the first module is provided with a swivel for accommodating the cable of the reel .

11. A cable reel system for a multifunctional exercise apparatus, the cable reel system comprising two cable reels rotatably journaled on a shaft, two ring gears and at least two pinion gears,

wherein one of the two ring gears is connected to one of the two reels, the other of the two ring gears is connected to the other of the two reels,

the two ring gears face one another with the at least two pinion gears arranged between the two ring gears with the at least two pinion gears each meshing with both of the two ring gears, and

the shaft is provided with a pinion gear carrier for each of the at least two pinion gears.

12. The cable reel system according to claim 11, wherein the pinon gear carriers extend from the shaft in a radial direction, said pinion gear carriers being provided at their distal end with one of the at least two pinion gear rotatably journaled about an axle of the pinion gear carrier .

13. The cable reel system according to claim 11 or 12, wherein each cable reel has on an outer surface a circumferential groove for accommodating respective cables.

14. The cable reel system according to any of the claims 11 to 13, wherein the cable reel is rotatably journaled on the shaft using a ball bearing.

15. The cable reel system according to anyone of the claims 11 to 14, wherein two or more ball bearings are used to journal each reel.

16. The cable reel system according to any one of the claims 11 to 15, wherein the shaft has three or four pinion gear carriers extending in a radial direction.

17. The cable reel system according to any one of the claims 13 to 14, wherein the circumferential groove extends over 2 or more revolutions of the outer surface of the reel.

18. The cable reel system according to any one of the claims 11 to 15, wherein an end of the shaft is provided with a first part of a coupling mechanism.

19. The cable reel system according to any one of the claims 11 to 16, wherein the ball bearings use non-contact metal seals.

20. The cable reel system according to claim 11, wherein an incremental encoder is used for each cable reel.

21. A torque resistance mechanism of a multifunctional exercise apparatus comprising an electrical torque motor/generator having a hollow shaft, a torsional spring accommodated co-axially in the hollow shaft, a part of a coupling mechanism having a first and a second part, and a selector having a first and a second position,

wherein the selector enables a user to engage the part of the coupling mechanism in a first position with the electrical torque motor/generator and in a second position with the torsional spring.

22. The torque resistance mechanism according to claim 21, wherein the electrical torque motor/generator comprises a stator attached to a first housing and a rotor capable of being engaged with a part of the coupling mechanism.

23. The torque resistance mechanism according to claim 21 or 22, wherein the part of the coupling mechanism comprises an axially movable hub having a first position for engagement with the electrical torque motor and a second position for engagement with the torsional spring.

24. The torque resistance mechanism according to any one of claims 21 to 23, wherein the torsional spring is present in a second housing rotably mounted in the first housing .

25. The torque resistance mechanism according to any one of the claims 21 to 24, wherein a first end of the torsional spring is attached to the second housing and a second end of the torsional spring is attached to a spring rotor connectable with the part of the coupling mechanism.

26. The torque resistance mechanism according to any one of the claims 24 or 25, wherein the second housing is provided with handles for rotating the second housing, said handles being provided with a releasable lock for releasing the torsional spring.

27. The torque resistance mechanism according to any one of the claims 21 to 26, wherein the electrical torque motor/generator is controlled by a servo drive.

28. The torque resistance mechanism according to any one of the claims 22 to 27, wherein the rotor of the electrical torque motor/generator is equipped with an encoder connected to the servo drive.

29. The torque resistance mechanism according to any one of the claims 21 to 28, wherein the motor/generator is connected a shunt circuity.

30. The torque resistance mechanism according to any one of the claims 21 to 29, wherein the selector when moved between the two positions causes the hub to move axially.

31. A flywheel arrangement of a multifunctional exercise apparatus comprising a flywheel rotably positioned in a housing, a braking band arranged around a portion of the perimeter of the flywheel, and a tension adjusting mechanism comprising a moveable arm capable of adjusting the tension of the braking band and an electrical motor for operating the moveable arm,

wherein the tension adjusting mechanism further comprises a knob for manual manipulation of the moveable arm, and a selector for enabling a user in a first position to operate the moveable arm with the electrical motor and in a second position to operate the moveable arm with the knob.

32. The flywheel arrangement according to claim 31, wherein a midsection of the tension arm is turnably attached to the housing, an end section of the moveable tension arm is tensioning the braking band, and the other end section is caused to move by the rotation of a moveable arm shaft.

33. The flywheel arrangement according to claim 31 or 32, wherein the moveable arm shaft is rotated by an electrical stepper motor.

34. The flywheel arrangement according to anyone of the claims 31 to 33, wherein the manual knob is engaged with the tension arm shaft by sliding of a floating shaft.

35. The flywheel arrangement according to claim 34 to 34, wherein the floating shaft is provided with gears at each end capable of meshing with a gear connected to the knob in one end and a gear positioned on the tension arm shaft in the other end of the floating shaft.

36. The flywheel arrangement according to anyone of the claims 31 to 35, wherein the floating shaft is operated by a manual knob slider.

37. The flywheel arrangement according to claims 35 or 36, wherein the two gears on the floating shaft are slightly unaligned relative to the gear connected to the knob and the gear positioned on the tension arm, so that one gear set meshes before the other.

38. The flywheel arrangement according to anyone of the claims 31 to 37, wherein the fly wheel comprises a planetary gearing .

39. The flywheel arrangement according to any one of the claims 31 to 38, wherein the spokes of the flywheel are acting as a fan.

40. The flywheel arrangement according to any one of the claims 31 to 38, wherein the perimeter of the flywheel is provided with teeth for allowing a speed sensor to measure the velocity.