US20250025737A1 - Muscle training device - Google Patents

Muscle training device Download PDF

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Publication number
US20250025737A1
US20250025737A1 US18/905,291 US202418905291A US2025025737A1 US 20250025737 A1 US20250025737 A1 US 20250025737A1 US 202418905291 A US202418905291 A US 202418905291A US 2025025737 A1 US2025025737 A1 US 2025025737A1
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US
United States
Prior art keywords
spiral spring
main body
switching
flat plate
training device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US18/905,291
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English (en)
Inventor
Shigeki Watanabe
Yohei Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Intecc Co Ltd
Original Assignee
Asahi Intecc Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Intecc Co Ltd filed Critical Asahi Intecc Co Ltd
Assigned to ASAHI INTECC CO., LTD. reassignment ASAHI INTECC CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SASAKI, YOHEI, WATANABE, SHIGEKI
Publication of US20250025737A1 publication Critical patent/US20250025737A1/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/012—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters
    • A63B21/018—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters including a rope or other flexible element moving relative to the surface of elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/153—Using flexible elements for reciprocating movements, e.g. ropes or chains wound-up and unwound during exercise, e.g. from a reel
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4034—Handles, pedals, bars or platforms for operation by feet
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
    • A63B71/023—Supports, e.g. poles
    • A63B2071/026—Supports, e.g. poles stabilised by weight
    • A63B2071/027—Supports, e.g. poles stabilised by weight using player's own weight, e.g. on a platform
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/50—Size reducing arrangements for stowing or transport
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09—Adjustable dimensions

Definitions

  • the present disclosure relates to a muscle training device.
  • Japanese Patent No. 6482122 discloses a force generation device in which a rotating member rotates and winds up a string-like member, and a tensioning device, which is an elastic body such as a coil or spring, pulls the string-like member in a direction that pulls out the string-like member from the rotating member.
  • the present disclosure is to provide a muscle training device that allows a user to easily perform muscle training.
  • a muscle training device includes a flat plate for a user to board and a main body that is attachable to, and detachable from, the flat plate.
  • the main body includes a base portion, an elastic body provided on the base portion, and a string having a first end portion connected to the elastic body, and a second end portion positioned on a side opposite to the first end portion.
  • the elastic body is configured to apply, to the string, an elastic force that acts against a tensile force when the second end portion is pulled.
  • FIG. 1 is a perspective view of a muscle training device according to an embodiment of the present disclosure.
  • FIG. 2 is a perspective view of a state in which a main body has been detached from a first corner portion of a flat plate shown in FIG. 1 .
  • FIG. 3 is a plan view of an attachment portion of the first corner portion of the flat plate shown in FIG. 2 .
  • FIG. 4 is a perspective view in which the main body shown in FIG. 2 is viewed from a lower side.
  • FIG. 5 is a perspective view showing an internal structure of the main body shown in FIG. 1 .
  • FIG. 6 is a plan view of the internal structure of the main body shown in FIG. 5 .
  • FIG. 7 is an explanatory diagram of a fixing portion shown in FIGS. 5 and 6 .
  • FIG. 8 A is a perspective view showing a state in which the main body shown in FIG. 2 is abutted against the first corner portion of the flat plate
  • FIG. 8 B is a diagram showing a positional state of first plates and second plates of the main body and the flat plate in FIG. 8 A .
  • FIG. 9 A is a diagram showing a state in which the main body shown in FIG. 8 A has been rotated in order to be fixed to the flat plate
  • FIG. 9 B is a diagram showing the positional state of the first plates and the second plates of the main body and the flat plate in FIG. 9 A .
  • FIG. 10 is a diagram showing, in the positional state of the first plates and the second plates in FIG. 9 B , a state in which the second plate is positioned on the lower side of the first plate.
  • FIG. 11 is a perspective view showing an internal structure of a main body that is different from the embodiment shown in FIG. 5 .
  • FIG. 12 is a plan view of the internal structure of the main body shown in FIG. 11 .
  • FIG. 13 is a perspective view showing an external appearance of a load increasing portion, a switching gear of a load switching portion, and a emergency stop portion shown in FIG. 11 .
  • FIG. 14 is a diagram showing the internal structure of the main body shown in FIGS. 11 and 12 , and is a perspective view in which the load increasing portion and the emergency stop portion have been omitted.
  • FIG. 15 is a plan view of the load switching portion shown in FIG. 14 .
  • FIG. 16 A is a perspective view of an upper side of the load switching portion shown in FIG. 14
  • FIG. 16 B is a perspective view of a lower side of the load switching portion shown in FIG. 14 .
  • FIGS. 17 A and 17 B are diagrams showing the emergency stop portion shown in FIG. 13 , where FIG. 17 A is a plan view of the emergency stop portion in a non-stopping state, and FIG. 17 B is a plan view of the emergency stop portion in a stopping state.
  • FIG. 18 is a perspective view of a rotating portion shown in FIG. 17 .
  • FIG. 19 is a partial cross-sectional view of the rotating portion shown in FIG. 18 .
  • FIG. 20 is a perspective view of a stopper portion shown in FIG. 17 .
  • the load increasing portion 40 includes a first gear 41 , a second spiral spring 42 , the second spiral spring case 43 , and a second gear 44 .
  • the first gear 41 is fixed to an outer periphery of the first spiral spring case 32 A, and rotates integrally with the first spiral spring case 32 A.
  • the second spiral spring 42 is provided inside the second spiral spring case 43 .
  • the second spiral spring case 43 is rotatable with respect to the second shaft 70 that passes through the center of the second spiral spring case 43 .
  • a center portion 42 A of the second spiral spring 42 is fixed to the second shaft 70 .
  • An outer end portion 42 B of the second spiral spring 42 is fixed to the second spiral spring case 43 .
  • the second gear 44 is fixed to an outer periphery of the second spiral spring case 43 , and rotates integrally with the second spiral spring case 43 .
  • the second gear 44 is engaged with the first gear 41 .
  • the first spiral spring case 32 A rotates clockwise in FIG. 12
  • the second spiral spring case 43 rotates counterclockwise in FIG. 12 .
  • the first spiral spring case 32 A rotates counterclockwise in FIG. 12
  • the second spiral spring case 43 rotates clockwise in FIG. 12 .
  • the push latch 51 includes a support base 51 A, a latch case 51 B, and a pressing movement portion 51 C.
  • the support base 51 A is fixed to the base portion 31 A.
  • the latch case 51 B includes an opening portion, and is fixed on the base portion 31 A.
  • the pressing movement portion 51 C is inserted into the opening portion of the latch case 51 B, and is supported so as to be capable of a sliding movement with respect to the latch case 51 B.
  • the pressing movement portion 51 C switches between a protruding state, in which the distal end portion of the pressing movement portion 51 C protrudes from the opening portion of the latch case 51 B, and a pushed-in state, in which a large part of the pressing movement portion 51 C is pushed into the latch case 51 B.
  • the link plate 52 is provided on a lower side of the pressing movement portion 51 C and the latch case 51 B, and one end portion is joined to the pressing movement portion 51 C via a shaft (not illustrated). Therefore, the link plate 52 moves together with the movement of the pressing movement portion 51 C. For example, the link plate 52 moves along the up-down direction in FIG. 15 .
  • the switching lever 53 is positioned further toward the lower side than the link plate 52 , and is rotatably provided on the base portion 31 A about a rotation axis 53 A.
  • a groove 53 b is formed in the switching lever 53 on an end portion on a side opposite to the rotation axis 53 A.
  • a shaft 52 A that extends from a lower surface on the other end portion of the link plate 52 is inserted into the groove 53 b .
  • a protrusion portion 53 C is provided on an end surface of the switching lever 53 on the switching gear 55 side.
  • the switching spring 54 is provided inside the groove 53 b of the switching lever 53 .
  • the switching spring 54 is pushed by the shaft 52 A of the link plate 52 , and biases the switching lever 53 toward the switching gear 55 and the second shaft 70 .
  • the switching gear 55 is fixed to a lower end of the second shaft 70 .
  • the second spiral spring case 43 rotates counterclockwise via the first gear 41 and the second gear 44 .
  • the entire second spiral spring 42 rotates, and the second spiral spring 42 is not wound up. Consequently, the elastic force of only the first spiral spring 32 is applied to the rope 37 via the first spiral spring case 32 A and the rope-winding pulley 33 . In this way, the load can be switched by setting the switching gear 55 to the non-rotatable state or the rotatable state using the load switching portion 50 .
  • the second spiral spring 42 is wound in the reverse direction, which may cause the second spiral spring 42 to break.
  • the switching gear 55 has rotated clockwise in FIG. 15 , the protrusion portion 53 C is pushed by the switching gear 55 , and due to the positional relationship between the contact surface and the rotation axis 53 A, the switching lever 53 receives a force that tries to rotate counterclockwise the switching lever 53 about the rotation axis 53 A.
  • the switching lever 53 receives a force that tries to rotate the switching lever 53 counterclockwise about the rotation axis 53 A
  • the play in the connection portion between the link plate 52 and the switching lever 53 , and the switching spring 54 cause the engagement with the switching gear 55 to be released. That is, the switching gear 55 is configured to function as a one-way gear. Consequently, the second spiral spring 42 can be prevented from being wound in the reverse direction, and the second spiral spring 42 can be prevented from breaking.
  • FIGS. 17 A and 17 B are diagrams showing the emergency stop portion 60 shown in FIG. 13 , where FIG. 17 A is a plan view of the emergency stop portion 60 in a non-stopping state, and FIG. 17 B is a plan view of the emergency stop portion 60 in a stopping state.
  • FIG. 18 is a perspective view of a rotating portion 61 shown in FIG. 17 .
  • FIG. 19 is a partial cross-sectional view of the rotating portion 61 shown in FIG. 18 .
  • FIG. 20 is a perspective view of a stopper portion 62 shown in FIG. 17 .
  • the emergency stop portion 60 is provided on a lower side of the load increasing portion 40 .
  • the emergency stop portion 60 includes the rotating portion 61 and the stopper portion 62 .
  • the rotating portion 61 includes the centrifugal base 63 , two guide pins 64 , two protruding pins 65 , and two centrifugal springs 66 .
  • the centrifugal base 63 is substantially disk-shaped, and is fixed to a lower side of the second gear 44 .
  • the centrifugal base 63 rotates integrally with the second gear 44 .
  • the second shaft 70 passes through a center portion of the centrifugal base 63 .
  • the centrifugal base 63 has slits 63 a formed at positions opposite to each other across the center portion.
  • a cylindrical guide pin 64 is provided in each slit 63 a so as to protrude outward.
  • the protruding pins 65 are made of metal material, have a cylindrical shape, and are provided on an outer periphery of the guide pins 64 so as to be capable of a sliding movement. Furthermore, as shown in FIGS. 18 and 19 , the protruding pins 65 are covered with a resin material.
  • the centrifugal springs 66 each have one end connected to the centrifugal base 63 , and the other end connected to the protruding pin 65 . The centrifugal springs 66 each pull the protruding pin 65 toward the center of the centrifugal base 63 . As shown in FIG.
  • each protruding pin 65 is positioned further toward the inner side than the outer peripheral surface of the centrifugal base 63 due to the tensile force of the centrifugal springs 66 .
  • the stopper portion 62 includes a support portion 67 , a collision portion 68 , and a shock absorbing material 69 .
  • the support portion 67 is fixed to the base portion 31 A, and includes a collision receiving portion 67 A along a portion of the outer periphery of the centrifugal base 63 .
  • the collision receiving portion 67 A is formed having a groove 67 b extending along a circumferential direction of the centrifugal base 63 .
  • the collision portion 68 and the shock absorbing material 69 are provided on the collision receiving portion 67 A side-by-side along the circumferential direction of the centrifugal base 63 .
  • the shock absorbing material 69 is made of an elastic body.
  • the shock absorbing material 69 is configured to return to the original state even after being deformed by the collision portion 68 .
  • a collision pin 68 A is fixed to the collision portion 68 , and the collision pin 68 A is inserted into the groove 67 b of the collision receiving portion 67 A.
  • the rope 37 will be wound up by the rope-winding pulley 33 at high speed.
  • the first gear 41 which is fixed to the rope-winding pulley 33 via the first spiral spring case 32 A, and the second gear 44 that engages the first gear 41 , rotate clockwise in FIG. 12 at high speed. Therefore, the centrifugal base 63 that is fixed to the second gear 44 also rotates clockwise in FIGS. 17 A and 17 B at high speed. As a result, a centrifugal force that is larger than the tensile force of the centrifugal springs 66 acts on the protruding pins 65 , and as shown in FIG.
  • the protruding pins 65 protrude further toward the outside than the outer peripheral surface of the centrifugal base 63 .
  • the protruding pins 65 that have protruded collide with the collision portion 68 of the stopper portion 62 . Due to the collision of the protruding pins 65 , the collision portion 68 slides toward the shock absorbing material 69 side, and the impact is absorbed by the shock absorbing material 69 .
  • the muscle training device 101 includes the base portion 31 A, the first spiral spring 32 and the second spiral spring 42 provided on the base portion 31 A, and the rope 37 , which has the first end portion 37 A connected to the first spiral spring 32 , and the second end portion 37 B positioned on the side opposite to the first end portion 37 A.
  • the first spiral spring 32 and the second spiral spring 42 apply an elastic force that acts against the tensile force, to the rope 37 .
  • the load provided by the muscle training device 101 to the user can be increased by the first spiral spring 32 and the second spiral spring 42 .
  • the muscle training device 101 further includes the load switching portion 50 , which is capable of causing only the first spiral spring 32 , or the first spiral spring 32 and the second spiral spring 42 , to generate the elastic force that acts against the tensile force.
  • the load switching portion 50 includes the switching lever 53 and the switching gear 55 .
  • the switching gear 55 is fixed to the second shaft 70 , to which the center portion 42 A of the second spiral spring 42 is fixed.
  • the switching lever 53 engages the switching gear 55 to make the switching gear 55 the non-rotatable state, making the center portion 42 A of the second spiral spring 42 the non-rotatable state, thereby making the second spiral spring 42 a windable state.
  • the switching lever 53 separates from the switching gear 55 to make the switching gear 55 the rotatable state, making the center portion 42 A of the second spiral spring 42 and the second shaft 70 the rotatable state, thereby making the second spiral spring 42 a non-windable state.
  • the muscle training device 101 provides the same effects as the muscle training device 1 . Further, as a result of the above configuration related to the switching lever 53 and the switching gear 55 , it is possible to switch the load according to the needs of the user, which can improve the usability of the muscle training device 101 .
  • the muscle training device 101 further includes the emergency stop portion 60 that stops the rewinding of the rope 37 when the rope 37 , to which a force from the user is not acting, is rewound due to the elastic force generated by the first spiral spring 32 and the second spiral spring 42 being applied to the rope 37 .
  • the emergency stop portion 60 includes the rotating portion 61 that rotates due to the elastic force, and the stopper portion 62 that stops the rotation of the rotating portion 61 .
  • the rotating portion 61 includes the protruding pins 65 that protrude to the outside of the rotating portion 61 due to the rotation caused by the elastic force.
  • the stopper portion 62 causes the rotation of the rotating portion 61 to stop due to the collision of the protruding pins 65 that have protruded to the outside of the rotating portion 61 , and stops the rewinding of the rope 37 .
  • the flat plate 10 may be foldable.
  • the main bodies 30 and 130 are provided on the corner portions 15 and 16 of the flat plate 10 , they may be provided on locations other than the corner portions 15 and 16 , and, for example, may be provided so as to be capable of being attached to, and detached from, a center portion of the flat plate 10 and the like.
  • the flat plate 10 is substantially rectangular in plan view, other shapes, such as a trapezoidal shape, are possible.
  • two spiral springs 32 and 42 are provided inside the main body 130 according to the second embodiment, it is possible to further increase the number of spiral springs to further increase the load.
  • the emergency stop portion 60 is provided on the lower side of the load increasing portion 40 , it may be provided on the lower side of the rope-winding pulley 33 , or may be provided in the main body 30 of the muscle training device 1 according to the first embodiment.
  • a configuration is possible in which two main bodies are provided, the flat plate has a side portion extending in a predetermined direction, and the two main bodies are provided to be capable of being attached to, and detached from, both end portions of the side portion, respectively, and a region of the flat plate other than the both ends of the side portion is configured as a region on which a user can board.
  • the flat plate is provided with an attachment portion to which the main body is attached
  • the attachment portion includes a first plate that is provided to have a gap with a surface of the flat plate
  • the main body includes a second plate that is provided on a lower surface side of the base portion to have a gap with the lower surface, and when the main body is made to slide with respect to the attachment portion of the flat plate, the second plate of the main body is configured to enter into a lower side of the first plate to restrict separation of the main body from the attachment portion.
  • a configuration is possible in which rotation of the main body is configured to cause the second plate of the main body to enter into a lower side of the first plate.
  • a muscle training device includes: a base portion; two elastic bodies provided on the base portion; and a string having a first end portion attached to one of the two elastic bodies, and a second end portion positioned on a side opposite to the first end portion; wherein the two elastic bodies are configured to apply, to the string, an elastic force that acts against a tensile force when the second end portion is pulled.
  • the muscle training device further includes a switching portion
  • the two elastic bodies are a first mainspring and a second mainspring
  • the switching portion is configured to be capable of switching to generate the elastic force that acts against the tensile force in only the first spiral spring, or in the first spiral spring and the second spiral spring
  • the switching portion has a switching lever and a switching gear
  • the switching gear is fixed to a shaft to which a center portion of the second spiral spring is fixed
  • the switching lever is configured to engage with the switching gear to make the switching gear a non-rotatable state, making the center portion of the second spiral spring a non-rotatable state, and making the second spiral spring a windable state
  • the switching lever is configured to separate from the switching gear to make the switching gear a rotatable state, making the center portion of the second spiral spring, together with the shaft, a rotatable state, and making the second spiral spring a non-windable state.
  • the muscle training device further includes an emergency stop portion that is configured to stop the string from being pulled back when the string, to which a force from the user is not acting, is pulled back due to the elastic force generated by the two elastic bodies that is applied to the string.
  • the emergency stop portion is provided with a rotating portion that is configured to rotate due to the elastic force, and a stopper portion that is configured to stop a rotation of the rotating portion, the rotating portion has a protruding pin that is configured to protrude outside the rotating portion due to a rotation caused by the elastic force, and the stopper portion is configured to stop a rotation of the rotating portion due to collision of the protruding pin that has protruded outside the rotating portion, and to stop the string from being pulled back.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rehabilitation Tools (AREA)
US18/905,291 2022-04-11 2024-10-03 Muscle training device Pending US20250025737A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022065325A JP7733608B2 (ja) 2022-04-11 2022-04-11 筋肉トレーニング装置
JP2022-065325 2022-04-11
PCT/JP2023/009907 WO2023199684A1 (ja) 2022-04-11 2023-03-14 筋肉トレーニング装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/009907 Continuation WO2023199684A1 (ja) 2022-04-11 2023-03-14 筋肉トレーニング装置

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US20250025737A1 true US20250025737A1 (en) 2025-01-23

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US18/905,291 Pending US20250025737A1 (en) 2022-04-11 2024-10-03 Muscle training device

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JP (1) JP7733608B2 (https=)
WO (1) WO2023199684A1 (https=)

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KR20260038690A (ko) * 2024-09-12 2026-03-19 주식회사 스포첵 운동기구

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JPS57155190A (en) * 1981-03-21 1982-09-25 Shiyunyuu So Metal fitting for channel type lashing
US20130090216A1 (en) * 2011-10-11 2013-04-11 Broc Jackson Exercise equipment
WO2013111086A1 (en) * 2012-01-25 2013-08-01 Kinvestix Ltd. Magnetic pulley resistance exerciser
US9687689B2 (en) * 2015-07-14 2017-06-27 Global Win Technology Co., Ltd. Damping device
US20190001175A1 (en) * 2017-06-30 2019-01-03 Christopher Lee Wagner Portable functional training device
CA3048519A1 (en) * 2019-07-02 2021-01-02 Rubber Recon Inc. Strap connection systems, quick connectors, and related systems and methods

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JP7733608B2 (ja) 2025-09-03
JP2023155783A (ja) 2023-10-23

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