Physical exercise device

Abstract

A multi-purpose physical exercise device, the multi-purpose physical exercise device comprising: an inflatable base, the inflatable base comprising, at least when inflated, a curved bottom portion, the curved bottom portion has a first internal volume, a second internal volume isolated from the first internal volume, and an outer curved bottom surface configured to roll on an outer surface, the second internal volume constitutes a counterweight accommodation portion and is accessible from the outside of the curved bottom portion for introducing a counterweight filler therein and optionally for removing the counterweight filler therefrom; and an upper platform more rigid than the curved bottom portion and secured to the inflatable base, the upper platform configured to at least indirectly support a body part of a user when the user performs exercise with the multi-purpose physical exercise device, at least a majority of the second interior volume is positioned closer to an apex of the curved bottom surface than to the upper platform.

Description

Technical Field

[0001] The present disclosure relates to a multi-purpose physical exercise device and a physical exercise kit including the multi-purpose physical exercise device, and more particularly to a multi-purpose physical exercise device for performing musculoskeletal stretching and various other exercises. Background Art

[0002] The following is a list of references that are believed to be relevant to the background art of the presently disclosed subject matter:

[0003] German Patent Application No. 2,528,217 filed with Hromadka on June 25, 1975;

[0004] U.S. Patent 10,507,359, filed on October 11, 2017, to Ken; and

[0005] Swiss patent application 497187 filed on October 27, 1967 to Peter.

[0006] Acknowledgment herein of the above-identified references should not be inferred as an intention that these references are in any way relevant to the patentability of the presently disclosed subject matter. Background Art

[0007] Conventional exercise equipment includes a slightly dome-shaped base that can serve as a balance board.

[0008] It is therefore an object of the present invention to provide a multi-purpose exercise device for performing musculoskeletal stretching and various exercises, the multi-purpose exercise device having a base with a truncated spherical outer surface. Summary of the Invention

[0009] The presently disclosed subject matter relates to a multi-purpose exercise device and exercise kit for assisting a user in performing a variety of exercises and stretches.

[0010] According to a first aspect of the presently disclosed subject matter, there is provided a multi-purpose physical exercise device comprising: an inflatable base comprising, at least when inflated, a curved bottom portion having a first interior volume, a second interior volume isolated from the first interior volume, and an outer curved portion configured for rolling on an outer surface.

[0011] a bottom surface, the second interior volume constituting a weight receiving portion and being accessible from the exterior of the curved bottom portion for introducing a weight filling into the second interior volume and optionally for removing the weight filling from the second interior volume; and an upper platform that is more rigid than the curved bottom portion and is fixed to the inflatable base, the upper platform being configured to at least indirectly support a body part of a user while the user is exercising with the multi-purpose gym device, at least a majority of the second interior volume being positioned closer to the apex of the curved bottom surface than to the upper platform.

[0012] In some examples, the curved bottom portion may include an uppermost edge positioned opposite the apex of the curved bottom surface, and the inflatable base may further include a neck portion having a lower neck edge connected to the uppermost edge of the curved bottom portion and an opposing upper neck edge, the lower neck edge having a lower neck diameter, and the upper neck edge having an upper neck diameter that is smaller than the lower neck diameter. In some examples, the upper platform may have a platform diameter that is smaller than the lower neck diameter.

[0013] According to a second aspect of the presently disclosed subject matter, there is provided a multi-purpose physical exercise device comprising: a base portion, the base at least selectively including a curved bottom portion having an outer curved bottom surface configured to roll on an outer surface, the curved bottom portion including an uppermost edge positioned opposite an apex of the curved bottom surface, the base further comprising a neck portion having a lower neck edge and an opposing upper neck edge connected at the uppermost edge of the curved bottom portion, the lower neck edge having a lower neck diameter, and the upper neck edge having an upper neck diameter that is smaller than the lower neck diameter; and an upper platform that is more rigid than the curved bottom portion and is fixed to the base, the upper platform having a platform diameter that is smaller than the lower neck diameter, the upper platform being configured to at least indirectly support a body part of a user while the user is exercising with the multi-purpose physical exercise device.

[0014] In some examples, the curved bottom portion may have a first interior volume and a second interior volume isolated from the first interior volume, the second interior volume constituting a weight receiving portion and being accessible from outside the curved bottom portion for introducing a weight filling into the second interior volume and optionally for optionally removing the weight filling from the second interior volume, at least a majority of the second interior volume being positioned closer to the apex of the curved bottom surface than to the upper platform.

[0015] The multi-purpose physical exercise device according to either or both of the first and second aspects may include one or more of the following features:

[0016] - The second inner volume may be a closed volume fixed relative to the curved bottom portion.

[0017] - The device may further comprise an outer connection to the second inner volume and the curved bottom portion

[0018] A counterweight fill port is provided, through which the second interior volume is accessible.

[0019] - The second internal volume can be configured for repeatedly introducing the weight filling into the first

[0020] The second internal volume may be configured for one or more of the repetitions described above.

[0021] During this time, a different weight filling is introduced into the second interior volume and optionally removed from the second interior volume.

[0022] - The second interior volume can be configured for introducing the weight filling into the second interior

[0023] The volume is such that the base is at least partially inflatable.

[0024] - the first internal volume may be accessible from the outside of the curved bottom portion for

[0025] An inflation filler is introduced into the first interior volume.

[0026] - The device may further comprise an outer connection to the first inner volume and the curved bottom portion

[0027] The device further comprises an inflation port extending therefrom, the first interior volume being accessible through the inflation port.

[0028] - the first interior volume may be configured for introducing the inflatable filler into the first interior

[0029] The volume is such that the base is at least partially inflatable.

[0030] - The first internal volume can be configured for repeatedly introducing the inflation filler into the second

[0031] an internal volume and optionally removing the inflatable filler from the first internal volume. - The first internal volume may be configured for one or more of the repetitions

[0032] During this time, a different inflatable filler is introduced into the first interior volume and optionally removed from the first interior volume.

[0033] The device may further comprise a dividing wall isolating the first internal volume from the second internal volume.

[0034] - the device may include a curvature center passing through the curved bottom surface and the curved bottom surface

[0035] The central axis of the vertex.

[0036] The curved bottom surface can be configured to be in the vertical position of the device and in the inclined position of the device

[0037] The central axis rolls on the outer surface between the positions, in the vertical position, the central axis is perpendicular to the outer surface, and in the inclined position, the central axis forms an inclined angle with the outer surface.

[0038] - The inclination angle may be less than 90°.

[0039] - The inclination angle may exceed 90°.

[0040] - The curved bottom surface can maintain a point of contact with the outer surface during said rolling.

[0041] - The device may be configured to self-bias towards a vertical orientation.

[0042] - The weight receiving portion can be configured to receive at least the weight filling therein

[0043] The device is biased toward the vertical orientation.

[0044] - the counterweight receiving portion at least receives therein a weight equal to or greater than that of the upper platform and

[0045] The combined weight of the weighted filler within the first volume may be configured to bias the device toward the vertical orientation.

[0046] - When the weight filling is filled into the weight receiving portion, the center of mass of the device is located at

[0047] On the central axis and closer to the vertex than to the upper platform.

[0048] - The neck lower diameter may be equal to the diameter of the uppermost edge of the curved bottom portion.

[0049] - The curved bottom portion and the neck portion may constitute a unitary body.

[0050] - the base may include a rim configured for securing the upper platform to the

[0051] base.

[0052] The rim can be fixed at the neck portion.

[0053] - The rim may be more rigid than the neck portion.

[0054] - The rim may be more rigid than the curved bottom portion.

[0055] - The rim may circumferentially support the upper platform.

[0056] - The upper platform may at least partially protrude outwardly from the curved bottom portion.

[0057] - The upper platform may be configured for detachably mounting at least one support member to

[0058] The upper platform and the at least one support member are configured to support the body part of the user.

[0059] - The upper platform may at least partially comprise a mounting arrangement for

[0060] to allow said mounting of the at least one support member to the upper platform.

[0061] - The mounting arrangement may comprise a quick-fit arrangement.

[0062] - The device may further comprise one or more attachment elements for

[0063] The invention relates to a device for removably attaching an exercise aid including one or more of a strap, a band, a rope, and a belt to the apparatus.

[0064] - The attachment element may comprise a hook.

[0065] - The attachment element may be positioned at the base.

[0066] - The attachment element may be positioned at the upper platform.

[0067] - The curved bottom portion may be spherical and constitute at least half of a sphere.

[0068] - The distance between the upper surface of the upper platform and the apex of the curved bottom surface may be 40 cm to 45 cm.

[0069] According to a third aspect of the presently disclosed subject matter, there is provided a gym kit comprising: a multi-purpose gym device comprising: a base, the base at least selectively including a curved bottom portion having an outer curved bottom surface configured to roll on an outer surface; an upper platform, the upper platform being more rigid than the curved bottom portion and fixed to the base, the upper platform being configured for removably attaching a support member to the upper platform; and one or more support members, each of the one or more support members being configured to be removably attached to the upper platform and to support a body part of a user while the user is exercising using the multi-purpose gym device.

[0070] In some examples, the support member can include a top surface having one or more dedicated locations for supporting at least a portion of at least one leg of the user.

[0071] In some examples, the support member can include a top surface having one or more dedicated locations for supporting at least a portion of at least one arm of the user.

[0072] In some examples, the support member may include a top surface having one or more dedicated locations for supporting at least a portion of the user's buttocks.

[0073] In some examples, the support member may include a top surface having one or more dedicated locations for supporting at least a portion of the user's torso.

[0074] In some examples, the support member may include a top surface having one or more dedicated locations for supporting at least a portion of the user's back.

[0075] It should be understood herein that the multi-use physical exercise device of the kit according to the third aspect of the presently disclosed subject matter may include one or more features of the multi-use physical exercise device according to either of the first and second aspects of the presently disclosed subject matter.

[0076] Implementation Plan

[0077] A more detailed description is provided in the Detailed Description, while the following are non-limiting examples of various embodiments of the presently disclosed subject matter.

[0078] 1. A multi-purpose physical exercise device, comprising:

[0079] an inflatable base comprising, at least when inflated, a curved bottom portion having a first interior volume, a second interior volume isolated from the first interior volume, and an outer curved bottom surface configured for rolling on an outer surface, the second interior volume constituting a weight receiving portion and being accessible from the exterior of the curved bottom portion for introducing a weighted filling into the second interior volume and optionally for removing the weighted filling from the second interior volume; and

[0080] an upper platform that is more rigid than the curved bottom portion and is secured to the inflatable base, the upper platform being configured to at least indirectly support a body part of a user while the user exercises with the multi-purpose physical exercise device, at least a majority of the second interior volume being positioned closer to an apex of the curved bottom surface than to the upper platform.

[0081] 2. In the device according to embodiment 1, the second internal volume is a closed volume fixed relative to the curved bottom portion.

[0082] 3. The device of embodiment 1 or 2, further comprising a weight fill port communicating with the second interior volume and the exterior of the curved bottom portion, the second interior volume being accessible through the weight fill port.

[0083] 4. The device of any one of embodiments 1 to 3, wherein the second internal volume is configured for repeatedly introducing the weighted filling into the second internal volume and optionally removing the weighted filling from the second internal volume.

[0084] 5. The device of any one of embodiments 1 to 4, wherein the second internal volume is configured for introducing a different weight filling into the second internal volume and optionally removing the different weight filling from the second internal volume during one or more of the repetitions.

[0085] 6. The device of any one of embodiments 1 to 5, wherein the second internal volume is configured for introduction of the weighted fill into the second internal volume such that the inflatable base is at least partially inflatable.

[0086] 7. The device according to any one of embodiments 1 to 6, the first interior volume being accessible from the exterior of the curved bottom portion for introducing an inflation filler into the first interior volume.

[0087] 8. The device of embodiment 7, further comprising an inflation port in communication with the first interior volume and the exterior of the curved bottom portion, the first interior volume being accessible through the inflation port.

[0088] 9. The device according to embodiment 7 or 8, wherein the first internal volume is configured for introducing the inflation filler into the first internal volume such that the inflatable base is at least partially inflatable.

[0089] 10. The device of any one of embodiments 7 to 9, the first internal volume being configured for repeated introduction of the inflation filler into the first internal volume and optional removal of the inflation filler from the first internal volume.

[0090] 11. The device of any one of embodiments 7 to 10, the first internal volume being configured for introducing a different inflatable filler into the first internal volume and optionally removing the different inflatable filler from the first internal volume during one or more of the repetitions.

[0091] 12. The device of any one of embodiments 1 to 11, further comprising a partition wall isolating the first internal volume from the second internal volume.

[0092] 13. The device of any one of embodiments 1 to 12, comprising a central axis passing through the center of curvature of the curved bottom surface and the vertex of the curved bottom surface.

[0093] 14. An apparatus according to embodiment 13, wherein the curved bottom surface is configured to roll on the outer surface between an upright position of the apparatus and an inclined position of the apparatus, wherein in the upright position, the central axis is perpendicular to the outer surface, and in the inclined position, the central axis is at an inclined angle to the outer surface.

[0094] 15. The device of embodiment 14, wherein the tilt angle is less than 90°.

[0095] 16. The device of embodiment 14, wherein the tilt angle exceeds 90°.

[0096] 17. A device according to any one of embodiments 14 to 16, wherein the curved bottom surface maintains a contact point with the outer surface during the rolling.

[0097] 18. The device of any one of embodiments 14 to 17, wherein the device is configured to self-bias toward a vertical orientation.

[0098] 19. The device of any one of embodiments 14 to 18, wherein the weight receiving portion, at least when the weight filling is received therein, is configured to bias the device toward the vertical orientation.

[0099] 20. An apparatus according to embodiment 19, wherein the counterweight receiving portion is configured to bias the apparatus toward the vertical orientation at least when the counterweight filling having a weight equal to or greater than the combined weight of the upper platform and the counterweight within the first volume is received therein.

[0100] 21. The device of any one of embodiments 14 to 20, wherein when the weight filling is filled into the weight receiving portion, the center of mass of the device is located on the central axis and closer to the apex than to the upper platform.

[0101] 22. A device according to any one of embodiments 1 to 21, wherein the curved bottom portion includes an uppermost edge positioned relative to the apex of the curved bottom surface, and the inflatable base further includes a neck portion, the neck portion having a lower neck edge connected to the uppermost edge of the curved bottom portion and an opposite upper neck edge, the lower neck edge having a lower neck diameter, and the upper neck edge having an upper neck diameter smaller than the lower neck diameter.

[0102] 23. A device according to embodiment 22, wherein the lower diameter of the neck is equal to the diameter of the uppermost edge of the curved bottom portion.

[0103] 24. The device of embodiment 22 or 23, wherein the upper platform has a platform diameter that is smaller than the lower diameter of the neck.

[0104] 25. The device of any one of embodiments 22 to 24, wherein the curved bottom portion and the neck portion constitute a unitary body.

[0105] 26. The device of any one of embodiments 1 to 25, wherein the inflatable base comprises a rim configured for securing the upper platform to the inflatable base.

[0106] 27. The device of embodiment 26, when dependent on embodiment 22, wherein the rim is fixed at the neck portion.

[0107] 28. The device of embodiment 27, wherein the rim is more rigid than the neck portion.

[0108] 29. The device of any one of embodiments 26 to 28, wherein the rim is more rigid than the curved bottom portion.

[0109] 30. The device of any one of embodiments 26 to 29, wherein the rim circumferentially supports the upper platform.

[0110] 31. The device of any one of embodiments 1 to 30, wherein the upper platform at least partially protrudes outwardly from the curved bottom portion.

[0111] 32. The apparatus of any one of embodiments 1 to 31, wherein the upper platform is configured to detachably mount at least one support member to the upper platform, the at least one support member being configured to support the body part of the user.

[0112] 33. An apparatus according to embodiment 32, wherein the upper platform at least partially includes a mounting arrangement structure, and the mounting arrangement structure is used to allow the installation of the at least one support member to the upper platform.

[0113] 34. The apparatus of embodiment 33, wherein the mounting arrangement comprises a quick-fit arrangement.

[0114] 35. The device of any one of embodiments 1 to 34, further comprising one or more attachment elements for removably attaching an exercise aid comprising one or more of a strap, a belt, a cord, and a belt to the device.

[0115] 36. The device of embodiment 35, wherein the attachment element comprises a hook.

[0116] 37. The device of embodiment 35 or 36, wherein the attachment element is positioned at the inflatable base.

[0117] 38. The device of embodiment 35 or 36, wherein the attachment element is positioned at the upper platform.

[0118] 39. The device of any one of embodiments 1 to 38, wherein the curved bottom portion is spherical and constitutes at least half of a sphere.

[0119] 40. The device of any one of embodiments 1 to 39, wherein the distance between the upper surface of the upper platform and the apex of the curved bottom surface is 40 cm to 45 cm.

[0120] 41. A multi-purpose physical exercise device, comprising:

[0121] a base portion, the base portion at least optionally including a curved bottom portion having an outer curved bottom surface configured for rolling on an outer surface, the curved bottom portion including an uppermost edge positioned opposite an apex of the curved bottom surface, the base portion further comprising a neck portion having a lower neck edge connected at the uppermost edge of the curved bottom portion and an opposing upper neck edge, the lower neck edge having a lower neck diameter, and the upper neck edge having an upper neck diameter that is smaller than the lower neck diameter;

[0122] An upper platform is more rigid than the curved bottom portion and is fixed to the base, the upper platform having a platform diameter that is smaller than the lower diameter of the neck, and the upper platform is configured to at least indirectly support a body part of the user while the user exercises using the multi-purpose physical exercise device.

[0123] 42. A device according to embodiment 41, wherein the lower diameter of the neck is equal to the diameter of the uppermost edge of the curved bottom portion.

[0124] 43. The device of embodiment 41 or 42, wherein the curved bottom portion and the neck portion constitute a unitary body.

[0125] 44. The device of any one of embodiments 41 to 43, wherein the base comprises a rim configured to secure the upper platform to the base.

[0126] 45. The device of embodiment 44, wherein the rim is secured at the neck portion.

[0127] 46. The device of embodiment 45, wherein the rim is more rigid than the neck portion.

[0128] 47. The device of any one of embodiments 44 to 46, wherein the rim is more rigid than the curved bottom portion.

[0129] 48. The device of any one of embodiments 44 to 47, wherein the rim circumferentially supports the upper platform.

[0130] 49. The device of any one of embodiments 41 to 48, wherein the upper platform at least partially protrudes outwardly from the curved bottom portion.

[0131] 50. An apparatus according to any one of embodiments 41 to 49, wherein the curved bottom portion has a first internal volume and a second internal volume isolated from the first internal volume, the second internal volume constituting a counterweight accommodating portion and being accessible from the outside of the curved bottom portion for introducing a counterweight filling into the second internal volume and optionally for removing the counterweight filling from the second internal volume, at least a majority of the second internal volume being positioned closer to the apex of the curved bottom surface than to the upper platform.

[0132] 51. The device of embodiment 50, wherein the second internal volume is a closed volume fixed relative to the curved bottom portion.

[0133] 52. The device of embodiment 50 or 51, further comprising a weight fill port communicating with the second interior volume and the exterior of the curved bottom portion, the second interior volume being accessible through the weight fill port.

[0134] 53. The device of any one of embodiments 50 to 52, wherein the second internal volume is configured for repeatedly introducing the weighted filling into the second internal volume and optionally removing the weighted filling from the second internal volume.

[0135] 54. The device of any one of embodiments 50 to 53, wherein the second internal volume is configured for introducing a different weighted filling into the second internal volume and optionally removing the different weighted filling from the second internal volume during one or more of the repetitions.

[0136] 55. The device of any one of embodiments 50 to 54, wherein the second internal volume is configured for introduction of the weighted fill into the second internal volume such that the base is at least partially inflatable.

[0137] 56. The device according to any one of embodiments 50 to 55, the first interior volume being accessible from the exterior of the curved bottom portion for introducing an inflation filler into the first interior volume.

[0138] 57. The device of embodiment 56, further comprising an inflation port in communication with the first interior volume and the exterior of the curved bottom portion, the first interior volume being accessible through the inflation port.

[0139] 58. The device of embodiment 56 or 57, wherein the first internal volume is configured for introducing the inflation filler into the first internal volume such that the base is at least partially inflatable.

[0140] 59. The device of any one of embodiments 56 to 58, the first internal volume being configured for repeated introduction of the inflation fill into the first internal volume and optional removal of the inflation fill from the first internal volume.

[0141] 60. The device of any one of embodiments 56 to 59, the first internal volume being configured for introducing a different inflation filler into the first internal volume and optionally removing the different inflation filler from the first internal volume during one or more of the repetitions.

[0142] 61. The device of any one of embodiments 50 to 60, further comprising a partition wall isolating the first internal volume from the second internal volume.

[0143] 62. The device of any one of embodiments 41 to 61, comprising a central axis passing through the center of curvature of the curved bottom surface and the vertex of the curved bottom surface.

[0144] 63. An apparatus according to embodiment 62, wherein the curved bottom surface is configured to roll on the outer surface between an upright position of the apparatus in which the central axis is perpendicular to the outer surface and an inclined position of the apparatus in which the central axis is at an inclined angle to the outer surface.

[0145] 64. The device of embodiment 63, wherein the inclination angle is less than 90°.

[0146] 65. The device of embodiment 63, wherein the inclination angle exceeds 90°.

[0147] 66. A device according to any one of embodiments 63 to 65, wherein the curved bottom surface maintains a contact point with the outer surface during the rolling.

[0148] 67. The device of any one of embodiments 63 to 66, wherein the device is configured to self-bias toward a vertical orientation.

[0149] 68. The apparatus of any one of embodiments 63 to 67, when dependent upon embodiment 50, wherein the weight receiving portion is configured to bias the apparatus toward the vertical orientation at least when the weight filling is received therein.

[0150] 69. An apparatus according to embodiment 68, wherein the counterweight receiving portion is configured to bias the apparatus toward the vertical orientation at least when the counterweight filling having a weight equal to or greater than the combined weight of the upper platform and the counterweight within the first volume is received therein.

[0151] 70. The device of any one of embodiments 63 to 69, wherein when the weight filling is filled into the weight receiving portion, the center of mass of the device is located on the central axis and closer to the apex than to the upper platform.

[0152] 71. The device according to any one of embodiments 41 to 70, wherein the upper platform is configured for detachably mounting at least one support member to the upper platform,

[0153] The at least one support member is configured to support the body part of the user.

[0154] 72. An apparatus according to embodiment 71, wherein the upper platform at least partially includes a mounting arrangement structure, and the mounting arrangement structure is used to allow the installation of the at least one support member to the upper platform.

[0155] 73. The apparatus of embodiment 72, wherein the mounting arrangement comprises a quick-fit arrangement.

[0156] 74. The device of any one of embodiments 41 to 73, further comprising one or more attachment elements for removably attaching an exercise aid comprising one or more of a strap, a belt, a cord, and a belt to the device.

[0157] 75. The device of embodiment 74, wherein the attachment element comprises a hook.

[0158] 76. The device of embodiment 74 or 75, wherein the attachment element is positioned at the base.

[0159] 77. The device of embodiment 74 or 75, wherein the attachment element is positioned at the upper platform.

[0160] 78. The device of any one of embodiments 41 to 77, wherein the curved bottom portion is spherical and constitutes at least half of a sphere.

[0161] 79. The device of any one of claims 41 to 78, wherein the base is inflatable, the base comprising the curved bottom portion when inflated, thereby selectively comprising the curved bottom portion.

[0162] 80. The device of any one of embodiments 41 to 79, wherein the distance between the upper surface of the upper platform and the apex of the curved bottom surface is 40 cm to 45 cm.

[0163] 81. A physical exercise kit, comprising:

[0164] A multi-purpose sports exercise device, comprising:

[0165] a base, the base at least optionally including a curved bottom portion having an outer curved bottom surface configured for rolling on an outer surface; and

[0166] an upper platform that is more rigid than the curved bottom portion and is secured to the base, the upper platform being configured for removably attaching a support member thereto; and

[0167] One or more support members are each configured to be removably attached to the upper platform and to support a body part of a user while the user exercises with the multi-purpose physical exercise device.

[0168] 82. A kit according to embodiment 81, wherein the support member includes a top surface having one or more dedicated locations for supporting at least a portion of at least one leg of the user.

[0169] 83. A kit according to embodiment 81, wherein the support member includes a top surface having one or more dedicated positions for supporting at least a portion of at least one arm of the user.

[0170] 84. The kit of embodiment 81, wherein the support member comprises a top surface having one or more dedicated locations for supporting at least a portion of the user's buttocks.

[0171] 85. A kit according to embodiment 81, wherein the support member includes a top surface having one or more dedicated positions for supporting at least a portion of the user's torso.

[0172] 86. A kit according to embodiment 81, wherein the support component includes a top surface having one or more dedicated locations for supporting at least a portion of the user's back.

[0173] 87. The kit of any one of embodiments 81 to 86, wherein the multi-use physical exercise device comprises one or more features of the multi-use physical exercise device of any one of embodiments 1 to 80. BRIEF DESCRIPTION OF THE DRAWINGS

[0174] In order to better understand the subject matter disclosed herein and to illustrate how it may be implemented in practice, embodiments will now be described, by way of non-limiting example only, with reference to the accompanying drawings, in which:

[0175] Figure 1 illustrates an isometric view of a multi-purpose physical exercise device according to an example of the presently disclosed subject matter;

[0176] Figure 2 Illustrated along Figure 1 A cross section taken along line XX in FIG.

[0177] Figure 3 illustrates an isometric view of a multi-purpose physical exercise device according to another example of the presently disclosed subject matter;

[0178] Figure 4 Illustrated Figure 2 A side view of a multi-purpose physical exercise device;

[0179] Figure 5A illustrating an isometric view of a multi-purpose physical exercise device according to yet another example of the presently disclosed subject matter;

[0180] Figure 5B Illustrated along Figure 5A The cross section is taken along line YY in ;

[0181] Figure 5C Illustrated Figure 5A A partial exploded view of a multi-purpose sports exercise device;

[0182] Figure 5D Illustrated in its vertical orientation Figure 5A A side view of a multi-purpose physical exercise device;

[0183] Figure 5E Illustrated in its tilted orientation Figure 5A A side view of a multi-purpose physical exercise device;

[0184] Figure 5F illustrates the Figure 5A A side view of a multi-purpose physical exercise device;

[0185] Figure 6A illustrates an isometric view of a gymnastics kit according to yet another example of the presently disclosed subject matter;

[0186] Figure 6B Illustrated Figure 6A A physical exercise kit showing the multi-purpose physical exercise device and the support member of the physical exercise kit detached from each other;

[0187] Figure 6C illustrates an isometric view of a gymnastics kit according to yet another example of the presently disclosed subject matter;

[0188] Figure 6D illustrates an isometric view of a gymnastics kit according to yet another example of the presently disclosed subject matter; and

[0189] Figure 6E An isometric view of a gymnastics kit according to yet another example of the presently disclosed subject matter is illustrated. DETAILED DESCRIPTION

[0190] refer to Figure 1 and Figure 2 , describes an exemplary embodiment of a multi-purpose physical exercise device 1 (interchangeably referred to herein as device 101) that includes an upper platform 2 and a base 3, which, in the illustrated example, is formed of a unitary body upon which platform 2 is mounted. In some examples, base 3 may be formed from two or more parts joined together, which may or may not constitute a unitary body. Base 3 includes a truncated spherical outer surface that constitutes at least half of a sphere forming curved bottom surface 4 of curved bottom portion 5. Device 1 has a central axis 11 that, in the illustrated example, is perpendicular to upper platform 2 and extends vertically in a vertical orientation. Central axis 11 passes through a center of curvature 4A of curved bottom surface 4 and its vertex 13. In some examples, central axis 11 may not be perpendicular to upper platform 2; for example, upper platform 2 may be tilted at an angle other than 90° relative to central axis 11. The base 3 is constructed so that the central axis 11 is capable of tilting so that the curved bottom surface 4 rolls on the outer surface and maintains contact with the outer surface, while the device (i.e., the central axis 11) is rotated in any direction about the vertical orientation up to an angle of at least 90° relative to the vertical orientation to perform musculoskeletal stretching with a full range of motion.

[0191] It should be understood herein that the outer surface may be any surface that allows the curved bottom surface 4 to roll thereon and may include, for example, a platform, a floor, the ground, etc., and for the purposes of this specification, all of these terms have been used interchangeably herein.

[0192] In some exemplary embodiments, the curved bottom surface 4 has a cross-section having a profile that constitutes at least half of a circle, preferably the curved bottom surface 4 is spherical and constitutes at least half of a sphere, ideally about half of a sphere, to ensure that musculoskeletal stretching can be performed within a full range of motion. The shape of the base 3 is configured to be rotatable so that the curved bottom surface 4 maintains a point of contact with the ground while the central axis 11 is rotated in any direction up to at least 90° (relative to the reference) relative to the vertical orientation. Figures 5A to 5F Examples of multi-purpose physical exercise devices described and illustrated are described in detail. In some embodiments, the upper platform 2 is rigid to enable use as a balance board, but in alternative embodiments, the upper platform 2 includes a flexible material to provide a more comfortable surface for arms and legs during other exercises. In some embodiments, the upper platform 2 is rigid in the sense that the upper platform is more rigid than the curved bottom portion 5 and is configured to at least indirectly support a body part of a user while the user exercises using the multi-purpose physical exercise device. For example, the upper platform 2 itself can support a body part of a user, or can be configured for attaching a support member that supports a body part of a user to the upper platform (see below). Figures 6A to 6E Detailed description is provided below. In some examples, the upper platform may include, at least in part, a mounting arrangement for allowing the support member to be mounted to the upper platform. In some examples, the mounting arrangement may include a quick-fit arrangement, including a snap-fit attachment arrangement and / or a VELCRO connection arrangement, wherein one connection element is secured to the upper platform 2 and another corresponding connection element is secured to the support member. In some examples, the platform 2 may be rigid and may include a flexible material on the upper surface 12 of the platform to provide a more comfortable surface for the arms and legs during other exercises.

[0193] In some embodiments, the distance between the upper surface 12 of the upper platform 2 and the apex 13 of the curved bottom surface 4 is configured to enable a user lying on the ground to place their lower legs on the upper platform 2 while keeping their hips and knees above approximately 90° from the ground, i.e., at least 40 cm, preferably between 40 cm and 45 cm, and more preferably about 43 cm.

[0194] In some embodiments, the distance between the upper surface 12 of the upper platform 2 and the apex 13 of the curved bottom surface 4 can be configured to enable a user to rest their forearms on the upper platform 2 when performing a plank exercise, i.e., at least 40 cm from the ground, preferably between 40 cm and 45 cm, and more preferably about 43 cm.

[0195] exist Figure 1 and Figure 2In the exemplary embodiment illustrated, the diameter of the upper platform 2 is smaller than the diameter of the uppermost and outermost portions 14 of the curved bottom surface 4, which enables the device 1 to be rotated up to at least 90° from a vertical position for musculoskeletal stretching with a full range of motion. The base 3 includes a rim portion 15 extending upwardly beyond the curved bottom surface 4 for connection to the upper platform 2 without penetrating the interior of the curved bottom surface 4. In some embodiments, the rim portion 15 includes a ring that circumferentially supports the upper platform 2, wherein the through holes are arranged along the ring, but other methods of connecting the upper platform 2 to the rim portion 15 are possible. Thus, the upper platform 2 can be easily removed and reattached for cleaning and / or replacement with a different upper platform (e.g., having a different color and / or texture). The unitary body of the base 3 includes a tapered (e.g., narrowing) neck portion 16 extending between the curved bottom surface 4 and the rim portion 15, again enabling the device 1 to be rotated up to at least 90° from a vertical position for musculoskeletal stretching with a full range of motion (relative to the reference Figures 5A to 5F The example of the multi-purpose physical exercise device described and illustrated is described in detail. The curved bottom portion 5 includes an uppermost edge 14 positioned opposite the vertex 13 of the curved bottom surface 4. The neck portion 16 has a neck lower edge 16A connected at the uppermost edge 14 of the curved bottom portion 5 and an opposing neck upper edge 16B. The neck lower edge 16A has a neck lower diameter D1, and the neck upper edge has a neck upper diameter D2 that is smaller than the neck lower diameter D1. The neck lower diameter D1 is equal to the diameter D3 of the uppermost edge 14 of the curved bottom portion 5. The upper platform 2 has a platform diameter D4 that is smaller than the neck lower diameter D1, and is therefore smaller than the diameter D3 of the uppermost edge 14 of the curved bottom portion 5.

[0196] In the illustrated example, the curved bottom portion 5 and the neck portion 16 constitute a unitary body. In some examples, the curved bottom portion 5 and the neck portion 16 may be formed separately and joined together, which may or may not constitute a unitary body.

[0197] It should also be understood that, regardless of whether the base 3 includes a neck portion 16, the upper platform 2 is attached to the base 3, for example, via the rim portion 15, so as to protrude outwardly from the curved bottom portion 5. In other words, in all examples, i.e., with or without a neck portion and with or without a rim portion, the upper platform 2 protrudes outwardly from both the base 3 and the curved bottom portion 5, allowing a user to position a body part on the upper platform while the rest of the user's body can protrude beyond the edge of the upper platform. In further other words, in all examples, i.e., with or without a neck portion and with or without a rim portion, the upper platform 2 protrudes outwardly from both the base 3 and the curved bottom portion 5, i.e., at least a portion of the upper platform for supporting a body part of the user is positioned outside the curvature of the curved bottom portion 5.

[0198] In an exemplary embodiment, the base 3 is made of an elastic or stretchable material (such as rubber) and is configured with suitable openings and valves so that the base 3 can be inflated to a storage size and inflated to a use arrangement (as shown). The base 3 can be manufactured by slush molding and can be 360° symmetrical around a central axis, thereby providing an easy and inexpensive manufacturing method. However, the base 3 can be made of other suitable materials and by other suitable processes. The rim portion 15 and / or the neck portion 16 can be rigid relative to the curved bottom surface 4.

[0199] The curved bottom portion 5 includes a first internal volume 17 and a second internal volume 21 separated from the first internal volume 17 by a partition wall 18. The second internal volume 21 constitutes a weight receiving portion 21 and is accessible from the outside of the curved bottom portion for introducing a weight filling into the second internal volume and optionally for removing the weight filling from the second internal volume. In some examples, the weight receiving portion may be configured to not allow the weight filling to be removed therefrom. At least a majority of the second internal volume 21 is positioned closer to the vertex 13 of the curved bottom surface 4 relative to the distance from the upper platform 2. In other words, when filled into the weight receiving portion 21, the center of mass of the weight filling is located closer to the vertex 13 relative to the distance from the upper platform 2 and on the central axis 11. The second internal volume 21 is a closed volume that is fixed relative to the curved bottom portion 5. For example, the closed second internal volume 21 remains in place even when the device 1 is tilted from a vertical orientation.

[0200] The second interior volume 21 is accessible via a weight fill port 22 that communicates with the exterior of the second interior volume 21 and the curved bottom portion 5 for introducing and optionally removing a weight filler. The weight filler can be any fluid or a powdered solid, such as sand. When filled with a weight equal to or greater than the total weight in the rest of the device 1 (i.e., the combined weight of the upper platform 2 and the weight within the first interior volume 17), the weight receiving portion 21 biases the device toward its vertical orientation when the device 1 is tilted from its vertical orientation.

[0201] In some examples, the device 1 may be configured to self-bias to its vertical orientation, i.e., without weight filling. For example, a portion of the curved bottom surface 4 near the apex 13 may be heavier than the rest of the curved bottom surface 4 to self-bias the device 1 toward its vertical orientation.

[0202] The above-mentioned biasing (self-biasing or with the help of the weight filling) prevents the device from accidentally rolling on the ground, provides a stable initial position for exercise, and provides resistance to the user's rolling when performing exercise, thereby increasing the difficulty level of the exercise to make the exercise more effective. Based on user preferences, the difficulty level of the exercise can be manipulated by introducing the weight filling according to the required weight. The second internal volume 21 is configured for repeatedly introducing and removing the weight filling therein, and optionally has different weight fillings or the same weight fillings with different volumes to adjust the weight within the weight accommodating portion 21. In some examples, the weight accommodating portion may be configured to not allow the weight filling to be removed therefrom.

[0203] In some examples, the second interior volume can be bounded on all sides by rigid walls. In some examples, the second interior volume can be at least partially bounded by flexible walls that are inflated by a weighted filler, thereby rendering the base at least partially inflatable. For example, introducing a weighted filler can inflate the weight-receiving portion, thereby at least partially inflating the base.

[0204] The weight receiving portion 21 can be configured in various shapes and sizes to accommodate different forms of weight filling. In the illustrated embodiment, the weight receiving portion 21 has a gradually increasing diameter extending from the apex 13 toward the center of the base 3, which provides better weight distribution, such as toward the apex 13. In some examples, the weight receiving portion can have a curved shape to form part of the curved bottom portion (e.g., Figures 5A to 5F shown).

[0205] In some examples, the first interior volume 17 is accessible from the exterior of the curved bottom portion 5 for introducing an inflation material therein through an inflation port 19 that communicates with the first interior volume 17 and the exterior of the curved bottom portion 5. In the illustrated example, the inflation port is formed in the upper surface 6 of the base 3 and is accessible via a through-hole 2A formed in the upper platform 2. In some examples, the inflation port 19 can be formed at any other location on the base 3. The inflation material can be any fluid, including air or a liquid, or can be any powdered solid.

[0206] In some examples, the first internal volume can be bounded on all sides by rigid walls. In some examples, the first internal volume can be at least partially bounded by flexible walls that are inflated by an inflatable filler, thereby rendering the base at least partially inflatable. For example, introducing an inflatable filler can inflate the walls of the first internal volume, thereby at least partially inflating the base. In some examples, the first internal volume can be evacuated via an inflation port and can be repeatedly filled and evacuated with the same or different inflatable filler, or with different volumes of inflatable filler, during each repetition.

[0207] In some examples, the first internal volume may be filled only once, thereby inflating the base 3 and thereafter not being deflated. Thus, for the purposes of this specification, the term "inflatable" should be understood to include within its meaning inflation during manufacture and sale in an inflated state. Thus, for the purposes of this specification, the phrase "at least selectively includes a curved bottom portion" should be understood to include at least temporarily (i.e., while the base is selectively inflatable and deflated) a curved bottom portion. In other words, the phrase "at least selectively includes a curved bottom portion" should be understood to include either temporarily (i.e., while the base is selectively inflatable and deflated) or permanently (i.e., when the base is inflated during manufacture and sold as is rather than deflated). In examples where the base temporarily includes a curved bottom portion, it should be understood that the base selectively includes the curved bottom portion (i.e., only when inflated) and does not include the curved bottom portion when deflated (e.g., for storage or transport).

[0208] In some examples, the device may further include one or more attachment elements for removably attaching an exercise aid including one or more of a strap, a band, a cord, and a belt to the device. In some examples, the attachment elements may be located at the base and / or the upper platform. Figures 5A to 5F The examples of the illustrated multi-purpose physical exercise device illustrate and describe one or more attachment elements in detail.

[0209] refer to Figure 3 and Figure 4 , shows an exemplary embodiment of a multi-purpose physical exercise device 31, comprising: an upper platform 32; and a base 33 formed from a unitary body including the upper platform 32. The base 33 comprises a truncated spherical outer surface that constitutes at least half of a sphere forming a curved bottom surface 34. The device 31 has a central axis 41 that is perpendicular to the upper platform 32 and extends vertically in a vertical orientation. The base 33 is configured such that the central axis 41 is tiltable so that the curved bottom surface 34 maintains a point of contact with the ground while the device (i.e., the central axis 41) is rotated in any direction about the vertical orientation through an angle of at least 90° relative to the vertical orientation.

[0210] In some exemplary embodiments, the curved bottom surface 34 has a cross-section that is at least half the size of a circle. Preferably, the curved bottom surface 34 is spherical and forms at least half of a sphere, ideally about half of a sphere. The shape of the base 33 is configured to be rotatable so that the curved bottom surface 34 maintains a point of contact with the ground while the central axis 41 is rotated up to at least 90° (0.0013°) in any direction relative to the vertical orientation. Figure 4 ). In some embodiments, the upper platform 32 is rigid, but in alternative embodiments, the upper platform 32 comprises a flexible material.

[0211] In some embodiments, the distance between the upper surface of the upper platform 32 and the apex 43 of the curved bottom surface 34 is configured to enable a user lying on the ground to place their lower legs on the upper platform 32 while keeping their hips and knees above approximately 90° from the ground, i.e., at least 40 cm, preferably between 40 cm and 45 cm, and more preferably approximately 43 cm.

[0212] In some embodiments, the distance between the upper surface 42 of the upper platform 32 and the apex 43 of the curved bottom surface 34 can be configured to enable a user to rest their forearms on the upper platform 32 when performing a plank exercise, i.e., at least 40 cm from the ground, preferably between 40 cm and 45 cm, and more preferably about 43 cm.

[0213] exist Figure 3 and Figure 4 In the illustrated exemplary embodiment, the diameter of upper platform 32 is smaller than the diameter of the uppermost and outermost portion 44 of curved bottom surface 34. The unitary body of base 33 includes a tapered (e.g., narrowing) neck portion 46 extending between curved bottom surface 34 and upper platform 32.

[0214] In an exemplary embodiment, the base 33 is made of an elastic or stretchable material (such as rubber) and is configured with suitable openings and valves so that the base 33 can be expanded to a storage size and inflated to a use configuration (as shown). The base 33 can be manufactured by slush molding and can be 360° symmetrical about a central axis. However, the base 33 can be made of other suitable materials and by other suitable processes. The neck portion 16 can be rigid relative to the curved bottom surface 34.

[0215] In some embodiments, the base 33 self-biases into a vertical position in which the platform 32 is generally parallel to the ground and the central axis 41 is perpendicular to the ground. To provide self-biasing, in some embodiments, the base 33 includes a counterweight receiving portion 41. The counterweight receiving portion 41 can be adjacent to the vertex 13 of the curved bottom surface 34. The counterweight receiving portion 41 can be configured in a variety of shapes and sizes to accommodate different types of counterweights. In some embodiments, the counterweight receiving portion 41 is configured to accommodate water, for example, with an opening, a valve, and / or a plug. In some embodiments, the counterweight receiving portion 41 is configured to accommodate sand, for example, with an opening, a valve, and / or a plug.

[0216] A center piece 51 or base extends upward from the upper platform 32, preferably from its center along the central axis 41. The center piece 51 provides a handle for carrying and enables the user's legs to be locked to the device 31 during exercise. The center piece 51 can be removably attached to the platform 32 via connectors on both the center piece 51 and the platform 32 (e.g., threads or snap-fit connectors). The center piece 51 can include a cylindrical rod 52 and extend 6 inches to 12 inches, but other shapes and sizes are within the scope of the present invention. The center piece 51 can also include a flat piece 53 connected to the outer end of the rod 52. In the illustrated embodiment, the flat piece 53 is round with a diameter of 6 inches to 12 inches, but other shapes and sizes are within the scope of the present invention.

[0217] refer to Figures 5A to 5F , describes an exemplary embodiment of a multi-purpose physical exercise device 101 (interchangeably referred to herein as device 101). It should be understood herein that, in various examples, device 101 may include the aforementioned Figure 1 and Figure 2 The multi-purpose sports exercise device 1 described and / or the above reference Figure 3 and Figure 4 The multi-purpose physical exercise device 31 may be a device 101 that includes an upper platform 102 and a base 103. The base 103 may be a device 101 that includes an upper platform 102 and a base 103. Figures 5A to 5F 104 is illustrated as being inflated to include a curved bottom portion 105 having a curved bottom surface 104 configured to roll on a ground surface G, as shown in FIG. Figure 5D 、 Figure 5E and Figure 5F As illustrated, the apparatus 101 assists the user in performing exercises in a manner similar to that described above with respect to the apparatus 1. For example, the user can position a body part (e.g., legs, arms, back, torso, buttocks, etc.) on the upper platform 102 and roll the apparatus 101 on the ground surface G to perform the exercise. In other examples, the apparatus 101 can be used to perform one or more exercises that do not require rolling the apparatus 101. In some examples, the apparatus 101 can be inverted (relative to the Figure 5D The upper platform can be positioned on the ground and the base, when inflated, can be used to support a body part of the user while the user is exercising using the device 101.

[0218] In examples where the base 103 is placed on the floor and the upper platform is used to support a body part of a user, one or more support members may be removably attached to the upper surface 112 of the upper platform 102 for supporting different body parts of the user corresponding to exercises performed using the apparatus 101, as described below with reference to Figures 6A to 6E described in further detail.

[0219] The curved bottom portion 105 includes a curved bottom surface 104 configured to roll on the ground surface G while maintaining a point of contact with the ground surface G during rolling. The device 101 has a central axis 111 passing through a center of curvature 104A of the curved bottom surface 104 and an apex 113 of the curved bottom surface 104. The curved bottom surface 104 is configured to be in a vertical position ( Figure 5D ) and the tilt position of the device 101 ( Figure 5E and Figure 5F ) rolls on the ground G, in the vertical position, the central axis 111 is perpendicular to the ground G, and in the inclined position, the central axis 111 forms an inclined angle A with the ground G. It should be understood in this article that Figure 5D The position shown is the same as Figure 5E or Figure 5F Any position between the positions shown should also be considered an inclined position.

[0220] In such Figure 5D In the vertical position shown, the upper surface 112 of the upper platform 102 is parallel to the ground G, and the angle A between the central axis 111 and the ground G is 90°. Figure 5E In the tilted position shown, the angle A between the central axis 111 and the ground G is 0°, that is, the central axis 111 extends parallel to the ground G. The angle A between the central axis 111 and the ground G is 90°, and can be any angle between 0° and 90°. Figure 5E In the case of rolling on the ground G in the opposite direction shown, the angle A between the central axis 111 and the ground G is 90°, which can be greater than 90°. It should be understood that the angle A greater than 90° should be considered as relative to the ground. Figure 5E The part that measures angle A. Figure 5F As shown, the curved bottom surface 104 can be Figure 5E The rolling shown is further, for example, by means of the ground G and the Figure 5E The space S between the upper platforms 102 is shown in an inclined position, as described in detail below.

[0221] In the illustrated example, the base 103 includes a neck portion 116 having a lower neck edge 116A connected to the uppermost edge 114 of the curved bottom portion 105 and an opposing upper neck edge 116B. The neck portion 116 converges in a direction extending upward from the curved bottom portion 105 toward the upper platform 102. In other words, the lower neck diameter D1 at the lower neck edge 116A is smaller than the upper neck diameter D2 at the upper neck edge 116B. The lower neck diameter D1 is equal to the diameter D3 of the uppermost edge 114 of the curved bottom portion 105.

[0222] The base 103 includes a rim portion 115 that, in the illustrated example, is secured to the neck portion 116 at an upper neck edge 116B and is more rigid than the neck portion 116 to facilitate securing the upper platform 102 to the base 103, for example, at the upper neck edge 116B. The rim portion 115 is sufficiently rigid to secure the upper platform 102 thereto and circumferentially support the upper platform 102.

[0223] It should be understood herein that in some examples, the base 103 may not include the neck portion 116, and the rim portion 115 may be secured at the uppermost edge 114. It should also be understood that, regardless of whether the base 103 includes the neck portion 116, the upper platform 102 is attached to the base 103, for example, via the rim portion 115, so as to protrude outwardly from the curved bottom portion 105. In other words, in all examples, i.e., with or without the neck portion and with or without the rim portion, the upper platform 102 protrudes outwardly from both the base 103 and the curved bottom portion 105, such that a user can position a body part on the upper platform while the rest of the user's body can protrude beyond the edge of the upper platform. In other words, in all examples, i.e., with or without a neck portion and with or without a rim portion, the upper platform 102 protrudes outwardly from both the base 103 and the curved bottom portion 105, i.e., at least a portion of the upper platform for supporting the user's body part is positioned outside the curvature of the curved bottom portion 105.

[0224] In the illustrated example, the upper platform 102 is attached at a rim portion 115 secured to the neck upper edge 116B and has a platform diameter D4 that is smaller than the neck lower diameter D1 and the diameter D3 of the uppermost edge 114 of the curved bottom portion 105 .

[0225] The platform diameter D4 is smaller than the diameter D3 of the uppermost edge 114 of the curved bottom portion 106 to allow Figure 5E The space S between the ground G and the upper platform 102 in the tilted position shown allows the device 101 to be moved from Figure 5E The position where the central axis is shown parallel to the ground is further tilted. This increases the degree of tilt of the device 101, wherein the upper platform 102 is at a specific height from the ground G, which in the illustrated example is 40 cm to 45 cm in the vertical orientation of the device 101. In other words, in order to increase the degree of tilt of the device 101, it is not necessary to increase the height of the upper platform 102 in the vertical orientation from the ground G. In further other words, compared to the degree of tilt that can be achieved when the platform diameter D4 is greater than or equal to the diameter D3 of the uppermost edge 114 of the upper curved portion 106, a wider degree of tilt can be achieved with the upper platform 102 at a certain height. In addition, as Figures 5A to 5FAs shown, the curved bottom portion 105 is spherical and constitutes more than half of a sphere, thereby allowing the aforementioned degree of inclination. The increased degree of inclination of the device 101 makes the device 101 more effective for performing exercises.

[0226] Curved bottom portion 105 includes a first interior volume 117 and a second interior volume 121 separated from first interior volume 117 by a partition wall 118. Second interior volume 121 constitutes a weight receptacle 121 and is accessible from the exterior of the curved bottom portion for introducing a weight filling therein and, optionally, for removing the weight filling therefrom. In some examples, the weight receptacle may be configured to prevent removal of the weight filling therefrom. At least a majority of second interior volume 121 is positioned closer to apex 113 of curved bottom surface 104 relative to upper platform 102. In other words, when filled into weight receptacle 121, the center of mass of the weight filling is located closer to apex 113 relative to upper platform 102 and on central axis 111. Second interior volume 121 is a closed volume that is fixed relative to curved bottom portion 105. For example, even when device 101 is tilted from a vertical orientation, closed second interior volume 121 remains in place.

[0227] The weight receiving portion 121 is similar to the above reference Figure 1 and Figure 2 The ballast receiving portion 21 described with reference to the illustrated apparatus 1 functions in a similar manner, and all descriptions thereof provided above apply mutatis mutandis to the ballast receiving portion 121. For example, the second internal volume 121 is accessible via a ballast fill port 122 that communicates with the exterior of the second internal volume 121 and the curved bottom portion 105 for the introduction and, optionally, removal of a ballast fill. The ballast fill can be any fluid or powdered solid, such as sand. When filled with a weight equal to or greater than the total weight in the remainder of the apparatus 101 (i.e., the combined weight of the upper platform 102 and the weight within the first internal volume 117), the ballast receiving portion 121 biases the apparatus 101 toward its vertical orientation when the apparatus 101 is tilted from that orientation.

[0228] In some examples, the device 101 can be configured to self-bias to its vertical orientation, i.e., without weight filling. For example, a portion of the curved bottom surface 104 near the apex 113 can be heavier than the rest of the curved bottom surface 104 to self-bias the device 101 toward its vertical orientation.

[0229] The above-mentioned biasing (self-biasing or with the help of the weight filling) prevents the device from accidentally rolling on the ground, provides a stable initial position for exercise, and provides resistance to the user's rolling when performing exercise, thereby increasing the difficulty level of the exercise to make the exercise more effective. Based on user preferences, the difficulty level of the exercise can be manipulated by introducing the weight filling according to the required weight. The second internal volume 121 is configured for repeatedly introducing and removing the weight filling therein, and optionally has different weight fillings or the same weight fillings with different volumes to adjust the weight within the weight accommodating portion 121. In some examples, the weight accommodating portion may be configured to not allow the weight filling to be removed therefrom.

[0230] In the illustrated example, the second interior volume 121 has been shown as being bounded by a flexible wall 123 at a lower region (near the apex 113) that is inflated by the weight filler, thereby rendering the base 103 at least partially inflatable. For example, introduction of the weight filler inflates the weight receiving portion 121, thereby at least partially inflating the base 103.

[0231] In the illustrated example, the first interior volume 117 is accessible from the exterior of the curved bottom portion 105 for introduction of an inflation material therein through an inflation port 119 that communicates with the first interior volume 117 and the exterior of the curved bottom portion 105. In the illustrated example, the inflation port 119 is formed in the upper surface 106 of the base 103 and is accessible via a through-hole 102A formed in the upper platform 102. In some examples, the inflation port 119 may be formed at any other location on the base 103. The inflation material may be any fluid, including air or a liquid, or may be any powdered solid.

[0232] In the illustrated example, the first interior volume 117 is bounded by flexible walls 120 that are inflated with an inflatable filler, thereby rendering the base at least partially inflatable. For example, introducing the inflatable filler inflates the walls 120 of the first interior volume 117, thereby at least partially inflating the base 103. In some examples, the first interior volume 117 can be evacuated via the inflation port 119 and can be repeatedly filled and evacuated with the same or different inflatable filler, or with different volumes of inflatable filler, during each repetition.

[0233] It should be understood herein that in order to stabilize and / or bias the device 101 toward its vertical orientation, the weighted filler and the inflation filler should be selected such that the total weight in the weight-receiving portion 121 is equal to or greater than the combined weight of the inflation filler and the upper platform 102. In other words, the weighted filler and the inflation filler should be selected such that the center of mass of the device 101 is located closer to the apex 113 relative to the upper platform 102 and on the central axis 111.

[0234] In the illustrated example, walls 120 of first interior volume 117 and 123 of second interior volume 121 have been shown as separate and positioned together to form curved bottom surface 104. In some examples, walls 120 of first interior volume 117 and 123 of second interior volume 121 may be integrally formed.

[0235] In the illustrated example, both first interior volume 117 and second interior volume 121 are inflatable, thereby making base 103 inflatable. In some examples, at least one of first interior volume 117 and second interior volume 121 may not be inflatable. In the illustrated example, base 103 includes curved bottom portion 105 (e.g., curved) only when both first interior volume 117 and second interior volume 121 are inflated, thereby forming curved bottom portion 105, and their respective outer surfaces forming a continuous curved bottom surface 104.

[0236] In some examples, the first internal volume may be filled only once, thereby inflating the base 103 and thereafter not being deflated. Thus, for the purposes of this specification, the term "inflatable" should be understood to include within its meaning inflation during manufacturing and being sold in an inflated state. Thus, for the purposes of this specification, the phrase "at least selectively includes a curved bottom portion" should be understood to include at least temporarily (i.e., while the base is selectively inflatable and deflated) a curved bottom portion. In other words, the phrase "at least selectively includes a curved bottom portion" should be understood to include either temporarily (i.e., while the base is selectively inflatable and deflated) or permanently (i.e., when the base is inflated during manufacturing and sold as is rather than deflated). In examples where the base temporarily includes a curved bottom portion, it should be understood that the base selectively includes the curved bottom portion (i.e., only when inflated) and does not include the curved bottom portion when deflated (e.g., for storage or shipping).

[0237] Device 101 also includes an attachment element 130 for removably attaching an exercise assistive device, including one or more of a strap, a belt, a cord, and a belt, to the device. In the illustrated example, attachment element 130 includes a hook-receiving element for receiving a corresponding hook attached to the end of the exercise assistive device. In some examples, attachment element 130 may include any suitable structure for removably attaching the exercise assistive device thereto. In some examples, the exercise assistive device may be one or more of a strap, a belt, a cord, a belt, etc., to be connected at attachment element 130, and the user may hold the exercise assistive device during exercise. In the illustrated example, the attachment element is positioned at upper platform 102. In some examples, the attachment element may be positioned at base 103.

[0238] refer to Figures 6A to 6E , various exemplary embodiments of a physical exercise kit 200 (interchangeably referred to herein as kit 200) including a multi-purpose physical exercise device 201 (interchangeably referred to herein as device 201) and various support components are described. It should be understood herein that in various examples, device 201 may include the above-referenced Figure 1 and Figure 2 Multipurpose sports exercise device 1 described above Figure 3 and Figure 4 The multi-purpose exercise device 31 described and / or the above referenced Figures 5A to 5F Some or all of the features of the multi-use physical exercise device 101 described herein may be used.

[0239] according to Figure 6A and Figure 6B In the illustrated example, kit 200 includes a multi-purpose exercise device 201 and a support member 250 having a top surface 251. Top surface 251 has a dedicated location 252 that conforms to the shape of a user's back or torso to support the user's back or torso while the user exercises using multi-purpose exercise device 201 with support member 250 mounted thereon.

[0240] according to Figure 6C In the illustrated example, kit 200 includes a multi-purpose exercise device 201 and a support member 260 having a top surface 261. Top surface 261 has a dedicated location 262 that conforms to the shape of a user's back or torso to support the user's back or torso when the user performs an exercise using multi-purpose exercise device 201 with support member 260 mounted thereon. The only difference between top surface 251 and top surface 261 is that top surface 261 is more curved than top surface 251 to support the user's back or torso for specific exercises that require a curved top surface.

[0241] according to Figure 6D In the illustrated example, kit 200 includes a multi-purpose exercise device 201 and a support member 270 having a top surface 271. Top surface 271 has dedicated locations 272 that conform to the shape of a user's arms and / or legs to support the user's arms and / or legs when the user exercises using multi-purpose exercise device 201 with support member 270 mounted thereon.

[0242] according to Figure 6E In the illustrated example, kit 200 includes a multi-purpose exercise device 201 and a support member 280 having a top surface 281. Top surface 281 has a dedicated location 282 that conforms to the shape of a user's buttocks to support the user's buttocks when the user exercises with multi-purpose exercise device 201 on which support member 280 is mounted (e.g., when the user sits on top surface 281).

[0243] It should be understood herein that the top surfaces of all support members may be soft and flexible to provide comfort to the user's body parts during exercise.

[0244] It should also be understood herein that the device 201 and the support members 250-280 can at least partially include a mounting arrangement (not shown) for allowing the support member to be mounted to the device 201. In some examples, the mounting arrangement can include a quick-fit arrangement including a snap-fit attachment arrangement and / or a VELCRO connection arrangement, wherein one connection element is secured at the device and another corresponding connection element is secured at the support member.

[0245] In some examples, kit 200 may include device 201 and one or more of supports 250 - 280 to allow a user to perform various exercises using different supports corresponding to device 201 .

Claims

1. A multi-purpose physical exercise device, comprising: an inflatable base comprising, at least when inflated, a curved bottom portion having a first interior volume, a second interior volume isolated from the first interior volume, and an outer curved bottom surface configured for rolling on an outer surface, the second interior volume constituting a weight receiving portion and being accessible from the exterior of the curved bottom portion for introducing a weighted filling into the second interior volume and optionally for removing the weighted filling from the second interior volume; and an upper platform that is more rigid than the curved bottom portion and is secured to the inflatable base, the upper platform being configured to at least indirectly support a body part of a user while the user exercises with the multi-purpose physical exercise device, at least a majority of the second interior volume being positioned closer to an apex of the curved bottom surface than to the upper platform. 2 . The device of claim 1 , wherein the second interior volume is a closed volume fixed relative to the curved bottom portion.

3. The device of claim 1 or 2, further comprising a weight fill port in communication with the second interior volume and the exterior of the curved bottom portion, the second interior volume being accessible through the weight fill port.

4. The device of any one of claims 1 to 3, the second internal volume being configured for repeated introduction of the weighted filling into the second internal volume and optional removal of the weighted filling from the second internal volume.

5. The device of any one of claims 1 to 4, the second internal volume being configured for introducing a different weight filling into the second internal volume and optionally removing the different weight filling from the second internal volume during one or more of the repetitions.

6. The device of any one of claims 1 to 5, wherein the second interior volume is configured for introduction of the weighted fill into the second interior volume such that the inflatable base is at least partially inflatable.

7. The device according to any one of claims 1 to 6, the first interior volume being accessible from the exterior of the curved bottom portion for introducing an inflation filler into the first interior volume.

8. The device of claim 7, further comprising an inflation port in communication with the first interior volume and the exterior of the curved bottom portion, the first interior volume being accessible through the inflation port.

9. The device of claim 7 or 8, wherein the first interior volume is configured for introducing the inflatable filler into the first interior volume such that the inflatable base is at least partially inflatable.

10. The device of any one of claims 7 to 9, the first internal volume being configured for repeated introduction of the inflation filler into the first internal volume and optional removal of the inflation filler from the first internal volume.

11. The device of any one of claims 7 to 10, the first internal volume being configured for introducing a different inflatable filler into the first internal volume and optionally removing the different inflatable filler from the first internal volume during one or more of the repetitions.

12. The device of any one of claims 1 to 11, further comprising a dividing wall separating the first internal volume from the second internal volume.

13. The device of any one of claims 1 to 12, comprising a central axis passing through the center of curvature of the curved bottom surface and the apex of the curved bottom surface.

14. The device of claim 13, wherein the curved bottom surface is configured to roll on the outer surface between an upright position of the device in which the center axis is perpendicular to the outer surface and an inclined position of the device in which the center axis is at an inclined angle to the outer surface. The device according to claim 14 , wherein the tilt angle is less than 90°. The device according to claim 14 , wherein the tilt angle exceeds 90°.

17. The device of any one of claims 14 to 16, wherein the curved bottom surface maintains a point of contact with the outer surface during the rolling.

18. The device of any one of claims 14 to 17, wherein the device is configured to self-bias towards a vertical orientation.

19. The device of any one of claims 14 to 18, wherein the weight receiving portion, at least when the weight filling is received therein, is configured to bias the device toward the vertical orientation.

20. The apparatus of claim 19, wherein the counterweight receiving portion is configured to bias the apparatus toward the vertical orientation at least when the counterweight filling is received therein having a weight equal to or greater than the combined weight of the upper platform and the counterweight within the first volume.

21. The device according to any one of claims 14 to 20, wherein when the weight filling is filled into the weight receiving portion, the center of mass of the device is located on the central axis and closer to the apex than to the upper platform.

22. The device according to any one of claims 1 to 21, wherein the curved bottom portion includes an uppermost edge positioned opposite the apex of the curved bottom surface, and the inflatable base further includes a neck portion having a lower neck edge connected to the uppermost edge of the curved bottom portion and an opposite upper neck edge, the lower neck edge having a lower neck diameter, and the upper neck edge having an upper neck diameter that is smaller than the lower neck diameter.

23. The device of claim 22, wherein the lower diameter of the neck portion is equal to the diameter of the uppermost edge of the curved bottom portion.

24. The device of claim 22 or 23, wherein the upper platform has a platform diameter that is smaller than a lower diameter of the neck.

25. A device according to any one of claims 22 to 24, wherein the curved bottom portion and the neck portion form a unitary body.

26. The apparatus of any one of claims 1 to 25, wherein the inflatable base includes a rim configured for securing the upper platform to the inflatable base.

27. A device according to claim 26 when dependent on claim 22, wherein the rim is fixed at the neck portion.

28. The device of claim 27, wherein the rim is more rigid than the neck portion.

29. A device according to any one of claims 26 to 28, wherein the rim is more rigid than the curved bottom portion.

30. Apparatus according to any one of claims 26 to 29, wherein the rim circumferentially supports the upper platform.

31. The device of any one of claims 1 to 30, wherein the upper platform at least partially projects outwardly from the curved bottom portion.

32. The apparatus of any one of claims 1 to 31, wherein the upper platform is configured for detachably mounting at least one support member thereto, the at least one support member being configured to support the body part of the user.

33. The apparatus of claim 32, wherein said upper platform at least partially comprises a mounting arrangement for allowing said mounting of said at least one support member to said upper platform.

34. The device of claim 33, wherein the mounting arrangement comprises a quick-fit arrangement.

35. The apparatus of any one of claims 1 to 34, further comprising one or more attachment elements for removably attaching an exercise aid comprising one or more of a strap, a band, a cord, and a belt to the apparatus.

36. The device of claim 35, wherein the attachment element comprises a hook.

37. The device of claim 35 or 36, wherein the attachment element is positioned at the inflatable base.

38. The device of claim 35 or 36, wherein the attachment element is positioned at the upper platform.

39. The device of any one of claims 1 to 38, wherein the curved bottom portion is spherical and constitutes at least half of a sphere.

40. The device of any one of claims 1 to 39, wherein the distance between the upper surface of the upper platform and the apex of the curved bottom surface is 40 cm to 45 cm.

41. A multi-purpose physical exercise device, comprising: a base portion, the base portion at least optionally including a curved bottom portion having an outer curved bottom surface configured for rolling on an outer surface, the curved bottom portion including an uppermost edge positioned opposite an apex of the curved bottom surface, the base portion further comprising a neck portion having a lower neck edge connected at the uppermost edge of the curved bottom portion and an opposing upper neck edge, the lower neck edge having a lower neck diameter, and the upper neck edge having an upper neck diameter that is smaller than the lower neck diameter; and An upper platform is more rigid than the curved bottom portion and is fixed to the base, the upper platform having a platform diameter that is smaller than the lower diameter of the neck, and the upper platform is configured to at least indirectly support a body part of the user while the user exercises using the multi-purpose physical exercise device.

42. The device of claim 41, wherein the lower diameter of the neck portion is equal to the diameter of the uppermost edge of the curved bottom portion.

43. A device according to claim 41 or 42, wherein the curved bottom portion and the neck portion constitute a unitary body.

44. The apparatus of any one of claims 41 to 43, wherein the base includes a rim configured for securing the upper platform to the base.

45. The device of claim 44, wherein the rim is secured at the neck portion.

46. The device of claim 45, wherein the rim is more rigid than the neck portion.

47. A device according to any one of claims 44 to 46, wherein the rim is more rigid than the curved bottom portion.

48. Apparatus according to any one of claims 44 to 47, wherein the rim circumferentially supports the upper platform.

49. An apparatus according to any one of claims 41 to 48, wherein the upper platform at least partially projects outwardly from the curved bottom portion.

50. An apparatus according to any one of claims 41 to 49, wherein the curved bottom portion has a first internal volume and a second internal volume isolated from the first internal volume, the second internal volume constituting a weight accommodating portion and being accessible from the outside of the curved bottom portion for introducing a weight filling into the second internal volume and optionally for removing the weight filling from the second internal volume, at least a majority of the second internal volume being positioned closer to the apex of the curved bottom surface than to the upper platform.

51. The apparatus of claim 50, wherein the second interior volume is a closed volume fixed relative to the curved bottom portion.

52. The device of claim 50 or 51, further comprising a weight fill port in communication with the second interior volume and the exterior of the curved bottom portion, the second interior volume being accessible through the weight fill port.

53. The device of any one of claims 50 to 52, the second internal volume being configured for repeated introduction of the weighted filling into the second internal volume and optional removal of the weighted filling from the second internal volume.

54. The device of any one of claims 50 to 53, the second internal volume being configured for introducing a different weighted filling into the second internal volume and optionally removing the different weighted filling from the second internal volume during one or more of the repetitions.

55. The device of any one of claims 50 to 54, wherein the second interior volume is configured for introduction of the weighted fill into the second interior volume such that the base is at least partially inflatable.

56. The device of any one of claims 50 to 55, the first interior volume being accessible from the exterior of the curved bottom portion for introducing an inflation filler into the first interior volume.

57. The device of claim 56, further comprising an inflation port in communication with the first interior volume and the exterior of the curved bottom portion, the first interior volume being accessible through the inflation port.

58. The device of claim 56 or 57, wherein the first interior volume is configured for introduction of the inflation filler into the first interior volume such that the base is at least partially inflatable.

59. The device of any one of claims 56 to 58, the first internal volume being configured for repeated introduction of the inflation fill into the first internal volume and optional removal of the inflation fill therefrom.

60. The device of any one of claims 56 to 59, the first internal volume being configured for introducing a different inflation filler into the first internal volume and optionally removing the different inflation filler from the first internal volume during one or more of the repetitions.

61. The device of any one of claims 50 to 60, further comprising a dividing wall separating the first internal volume from the second internal volume.

62. The device of any one of claims 41 to 61, comprising a central axis passing through the center of curvature of the curved bottom surface and the apex of the curved bottom surface.

63. A device according to claim 62, wherein the curved bottom surface is configured to roll on the outer surface between a vertical position of the device and an inclined position of the device, wherein in the vertical position, the central axis is perpendicular to the outer surface, and in the inclined position, the central axis is at an inclined angle to the outer surface.

64. The device of claim 63, wherein the tilt angle is less than 90°.

65. The device of claim 63, wherein the tilt angle exceeds 90°.

66. The device of any one of claims 63 to 65, wherein the curved bottom surface maintains a point of contact with the outer surface during the rolling.

67. The device of any one of claims 63 to 66, wherein the device is configured to self-bias towards a vertical orientation.

68. Apparatus according to any one of claims 63 to 67 when dependent on claim 50, wherein the weight receiving portion, at least when the weight filling is received therein, is configured to bias the apparatus towards the vertical orientation.

69. The apparatus of claim 68, wherein the counterweight receiving portion is configured to bias the apparatus toward the vertical orientation at least when the counterweight filling is received therein having a weight equal to or greater than the combined weight of the upper platform and the counterweight within the first volume.

70. The device of any one of claims 63 to 69, wherein when the weight filling is filled into the weight receiving portion, the center of mass of the device is located on the central axis and closer to the apex than to the upper platform.

71. The apparatus of any one of claims 41 to 70, wherein the upper platform is configured for removably mounting at least one support member thereto, the at least one support member being configured to support the body part of the user.

72. The apparatus of claim 71 , wherein said upper platform comprises at least in part a mounting arrangement for allowing said mounting of said at least one support member to said upper platform.

73. The device of claim 72, wherein the mounting arrangement comprises a quick-fit arrangement.

74. The apparatus of any one of claims 41 to 73, further comprising one or more attachment elements for removably attaching an exercise aid comprising one or more of a strap, a band, a cord, and a belt to the apparatus.

75. The device of claim 74, wherein the attachment element comprises a hook.

76. A device according to claim 74 or 75, wherein the attachment element is positioned at the base.

77. The device of claim 74 or 75, wherein the attachment element is positioned at the upper platform.

78. The device of any one of claims 41 to 77, wherein the curved bottom portion is spherical and constitutes at least half of a sphere.

79. The device of any one of claims 41 to 78, wherein the base is inflatable, the base comprising the curved bottom portion when inflated, thereby selectively comprising the curved bottom portion.

80. The device of any one of claims 41 to 79, wherein the distance between the upper surface of the upper platform and the apex of the curved bottom surface is 40 cm to 45 cm.

81. A physical exercise kit, comprising: A multi-purpose sports exercise device, comprising: a base, the base at least optionally including a curved bottom portion having an outer curved bottom surface configured for rolling on an outer surface; and an upper platform that is more rigid than the curved bottom portion and is secured to the base, the upper platform being configured for removably attaching a support member thereto; and One or more support members are each configured to be removably attached to the upper platform and to support a body part of a user while the user exercises with the multi-purpose physical exercise device.

82. The kit of claim 81 , wherein the support member comprises a top surface having one or more dedicated locations for supporting at least a portion of at least one leg of the user.

83. The kit of claim 81 , wherein the support member comprises a top surface having one or more dedicated locations for supporting at least a portion of at least one arm of the user.

84. The kit of claim 81 , wherein the support member comprises a top surface having one or more dedicated locations for supporting at least a portion of the user's buttocks.

85. The kit of claim 81 , wherein the support member comprises a top surface having one or more dedicated locations for supporting at least a portion of the user's torso.

86. The kit of claim 81 , wherein the support member comprises a top surface having one or more dedicated locations for supporting at least a portion of the user's back.

87. The kit of any one of claims 81 to 86, wherein the multi-use physical exercise device includes one or more features of the multi-use physical exercise device of any one of claims 1 to 80.

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