CN113616974A - Anti-reverse-turning protector for parallel bar training - Google Patents
Anti-reverse-turning protector for parallel bar training Download PDFInfo
- Publication number
- CN113616974A CN113616974A CN202110875566.9A CN202110875566A CN113616974A CN 113616974 A CN113616974 A CN 113616974A CN 202110875566 A CN202110875566 A CN 202110875566A CN 113616974 A CN113616974 A CN 113616974A
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- Prior art keywords
- positioning
- lantern ring
- training
- mounting
- parallel bar
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- 230000001012 protector Effects 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims description 8
- 239000002649 leather substitute Substances 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims 9
- 238000000034 method Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000021421 Arm injury Diseases 0.000 description 1
- 208000011092 Hand injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B3/00—Parallel bars or similar apparatus
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- 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
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
-
- 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
- A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
- A63B71/12—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions for the body or the legs, e.g. for the shoulders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2571/00—Protective equipment
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention discloses a parallel bar training anti-backward-turning protector which comprises an installation bottom plate, wherein four corners of the surface of the top of the installation bottom plate are fixedly connected with supporting vertical rods, tops of the front supporting vertical rods and the rear supporting vertical rods are longitudinally and fixedly connected with a bar body, the front side of the surface of the bar body is sleeved with a lantern ring, and the front side of the surface of the lantern ring is sleeved with a grasping handle. According to the invention, the lower shaft lever, the positioning bolt, the positioning hole, the grasping handle, the spring baffle, the radar ranging probe, the upper shaft lever, the pressure sensor, the support sleeve, the torsion spring, the lantern ring and the anti-slip cloth sleeve are matched for use, so that protection can be provided for people who train to overturn, the use of the parallel bars is safer, and the problem that the existing parallel bars are unsafe to use due to the fact that the hands of the training people are injured because the training people cannot be protected from overturning in the training process is solved.
Description
Technical Field
The invention relates to the technical field of parallel bar training, in particular to an anti-backward-turning protector for parallel bar training.
Background
A parallel bar is one of the man competitive gymnastics items, a metal frame supports two parallel bars made of wood, plastic or synthetic metal, a typical set of parallel bar actions comprises conversion among a supporting position, an inverted position and a hanging arm position, and a player needs to swing at the positions, swing, bend, stretch, swing in an arc shape, return, flip, rest and the like, and finally, the next law of the whole set of actions requires to stand on one side of the bar.
When the parallel bars exercise the human body to bend upwards and backwards and turn backwards, if the gravity center part of the human body exceeds a vertical point, if the exercise is not well controlled, the exerciser is particularly easy to turn backwards, so that the arms are injured, and therefore, the protector for preventing the human body from turning backwards during the parallel bars exercise is particularly important.
Disclosure of Invention
The invention aims to provide an anti-overturn protector for parallel bar training, which has the advantage of protecting overturn training personnel and solves the problem that the existing parallel bars cannot provide the anti-overturn protection for the training personnel when in use, so that the overturn condition is very easy to occur in the training process, the hands of the training personnel are injured, and the parallel bar training device is unsafe to use.
In order to achieve the purpose, the invention provides the following technical scheme: the protector comprises an installation base plate, wherein supporting vertical rods are fixedly connected to four corners of the surface of the top of the installation base plate, rod bodies are longitudinally and fixedly connected to the tops of the front supporting vertical rods and the rear supporting vertical rods, a lantern ring is sleeved on the front side of the surface of the rod body, a grab handle is sleeved on the front side of the surface of the lantern ring, positioning holes are formed in the surface of the outer side of the rod body, positioning bolts are arranged on the front side and the rear side of the surface of the outer side of the lantern ring, the inner side of each positioning bolt penetrates through the lantern ring and extends into the corresponding positioning hole, a lower shaft rod is transversely and fixedly connected to the rear side of the bottom of one side corresponding to the two lantern rings, supporting sleeves are fixedly connected to the rear side of the top of the inner side of the lantern ring, an upper shaft rod is transversely arranged on one side corresponding to the two supporting sleeves, a spring baffle is fixedly connected to the top of the upper shaft rod, torsion springs are sleeved on two sides of the surface of the upper shaft rod, the radar ranging probe is all inlayed to the top and the bottom of spring baffle positive surface center department, the equal fixedly connected with pressure sensor in four corners on spring baffle positive surface, the surface cover of grabbing handle is equipped with anti-skidding cloth cover.
Preferably, the four corners of the top surface of the mounting base plate are all penetrated and provided with mounting positioning holes, the inner cavity of each mounting positioning hole is provided with a mounting positioning rod, and the bottom of each mounting positioning rod penetrates through the corresponding mounting positioning hole and extends to the bottom of the mounting base plate.
Preferably, the inner ring of the lantern ring is in sliding contact with the surface of the lever body, the lantern ring is provided with a positioning screw hole matched with the positioning bolt for use, and the surface of the positioning bolt is in threaded connection with the inner cavity of the positioning screw hole.
Preferably, both sides of the upper shaft rod extend to the inner cavity of the support sleeve and are movably connected with the inner cavity of the support sleeve through bearings.
Preferably, the bottom of the torsion spring extends to the bottom of the back surface of the lower shaft, the top of the torsion spring extends to the top of the back surface of the spring baffle, and the inner diameter of the torsion spring is larger than the outer diameter of the upper shaft.
Preferably, the top and the bottom of spring baffle positive surface center department all set up the recess that uses with the cooperation of radar range probe, radar range probe's positive surface and spring baffle's positive surface are on same plane, radar range probe and pressure sensor all have handheld terminal through signal wireless connection.
Preferably, the spring baffle comprises a substrate, a sponge layer wraps the surface of the outer ring of the substrate, and an artificial leather layer wraps the surface of the outer ring of the sponge layer.
Preferably, the outer diameters of the lower shaft lever and the upper shaft lever are the same, and the outer diameter of the torsion spring is smaller than that of the support sleeve.
Preferably, the mounting positioning hole is T-shaped, the mounting positioning rod is an inner hexagonal rod body, and the surface of the top of the mounting positioning rod and the surface of the top of the mounting base plate are on the same plane.
Preferably, the support vertical rod is located the inboard of installation locating hole, the front side and the rear side of anti-skidding cloth cover bottom surface all are provided with construction bolt, construction bolt's top is run through anti-skidding cloth cover and is extended to the inside of putting the body.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can protect the personnel who train the double-bar training by arranging the lower shaft lever, the positioning bolt, the positioning hole, the grasping handle, the spring baffle, the radar ranging probe, the upper shaft lever, the pressure sensor, the supporting sleeve, the torsional spring, the lantern ring and the anti-skid cloth sleeve to be matched for use, thereby solving the problem that the double-bar training device is unsafe to use due to the fact that the hands of the training personnel are injured because the training personnel cannot be protected against the overturn when the existing double-bar training device is used.
2. The mounting base plate can be positioned by matching the mounting positioning holes with the mounting positioning rods, the positioning bolts can be conveniently rotated and moved by the positioning screw holes, the upper shaft rod can be supported by the supporting sleeve and can be conveniently rotated, the radar ranging probe can be accommodated by the groove, and the comfort of the spring baffle plate is improved by matching the artificial leather layer with the sponge layer.
Drawings
FIG. 1 is an isometric view of a structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
fig. 4 is a schematic diagram of the spring retainer structure of the present invention.
In the figure: the device comprises a mounting base plate 1, a supporting vertical rod 2, a mounting positioning rod 3, a mounting positioning hole 4, a bar body 5, a lower shaft rod 6, a positioning bolt 7, a positioning hole 8, a grasping handle 9, a spring baffle 10, a radar ranging probe 11, an upper shaft rod 12, a pressure sensor 13, a supporting sleeve 14, a torsion spring 15, a lantern ring 16, an artificial leather layer 17, a sponge layer 18, a base plate 19, an anti-skid cloth sleeve 20 and a mounting bolt 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the protector for preventing the back-tipping during the training of the parallel bars comprises an installation bottom plate 1, wherein the four corners of the top surface of the installation bottom plate 1 are fixedly connected with supporting vertical rods 2, the installation bottom plate 1 can connect the supporting vertical rods 2, the stability of the parallel bars is improved, when the installation bottom plate 1 is installed, the installation bottom plate 1 can be embedded in soil, the tops of the front and the rear supporting vertical rods 2 are longitudinally and fixedly connected with a bar body 5, the front side of the surface of the bar body 5 is sleeved with a lantern ring 16, the front side of the surface of the lantern ring 16 is sleeved with a grasping handle 9, the surface of the outer side of the bar body 5 is provided with positioning holes 8, the number of the positioning holes 8 is several, the gaps between the two adjacent positioning holes 8 are the same, the front side and the rear side of the outer side surface of the lantern ring 16 are both provided with positioning bolts 7, the inner sides of the positioning bolts 7 penetrate through the lantern ring 16 and extend into the positioning holes 8, the surfaces of the positioning bolts 7 are in sliding contact with the inner cavities of the positioning holes 8, the rear side of the bottom of one side corresponding to the two lantern rings 16 is transversely and fixedly connected with a lower shaft rod 6, the rear side of the top of the inner side of each lantern ring 16 is fixedly connected with a support sleeve 14, one side corresponding to the two support sleeves 14 is transversely provided with an upper shaft rod 12, the top of the upper shaft rod 12 is fixedly connected with a spring baffle 10, two sides of the surface of the upper shaft rod 12 are respectively sleeved with a torsion spring 15, the top and the bottom of the center of the front surface of the spring baffle 10 are respectively embedded with a radar ranging probe 11, four corners of the front surface of the spring baffle 10 are respectively fixedly connected with a pressure sensor 13, each pressure sensor 13 has a voice alarm function, the surface of the gripping handle 9 is sleeved with an anti-slip cloth sleeve 20, and too much friction force between the hand of a user and the gripping handle 9 is generated through the anti-slip cloth sleeves 20;
four corners of the surface of the top of the mounting bottom plate 1 are provided with mounting positioning holes 4 in a penetrating manner, an inner cavity of each mounting positioning hole 4 is provided with a mounting positioning rod 3, the bottom of each mounting positioning rod 3 penetrates through each mounting positioning hole 4 and extends to the bottom of the mounting bottom plate 1, and the mounting bottom plate 1 can be positioned by matching the mounting positioning holes 4 with the mounting positioning rods 3;
the inner ring of the lantern ring 16 is in sliding contact with the surface of the lever body 5, the lantern ring 16 is provided with a positioning screw hole matched with the positioning bolt 7 for use, the surface of the positioning bolt 7 is in threaded connection with the inner cavity of the positioning screw hole, and the positioning bolt 7 is convenient to rotate and move through the positioning screw hole;
both sides of the upper shaft rod 12 extend to the inner cavity of the support sleeve 14 and are movably connected with the inner cavity of the support sleeve 14 through bearings, and the support can be provided for the upper shaft rod 12 through the support sleeve 14, so that the rotation of the upper shaft rod 12 is facilitated;
the bottom of the torsion spring 15 extends to the bottom of the back surface of the lower shaft lever 6, the top of the torsion spring 15 extends to the top of the back surface of the spring baffle 10, and the inner diameter of the torsion spring 15 is larger than the outer diameter of the upper shaft lever 12;
the top and the bottom of the center of the front surface of the spring baffle plate 10 are both provided with grooves matched with the radar ranging probe 11 for use, the front surface of the radar ranging probe 11 and the front surface of the spring baffle plate 10 are on the same plane, the radar ranging probe 11 and the pressure sensor 13 are both in signal wireless connection with a handheld terminal, and the radar ranging probe 11 can be accommodated through the grooves;
the spring baffle 10 comprises a substrate 19, a sponge layer 8 wraps the surface of the outer ring of the substrate 19, an artificial leather layer 17 wraps the surface of the outer ring of the sponge layer 8, and the comfort of the spring baffle 10 is improved through the cooperation of the artificial leather layer 17 and the sponge layer 8;
the outer diameters of the lower shaft lever 6 and the upper shaft lever 12 are the same, and the outer diameter of the torsion spring 15 is smaller than that of the support sleeve 14;
the mounting positioning hole 4 is T-shaped, the mounting positioning rod 3 is an inner hexagonal rod body, and the surface of the top of the mounting positioning rod 3 and the surface of the top of the mounting bottom plate 1 are on the same plane;
When the spring baffle plate is used, the positioning bolt 7 is taken down, the position of the lantern ring 16 is moved to enable the lantern ring to move back and forth on the surface of the bar body 5, the positioning bolt 7 is reset after the position is moved, one end of the torsion spring 15 is propped against the back surface of the spring baffle plate 10, the other end of the spring baffle plate 10 is propped against the pressing shaft rod 6, so that the spring baffle plate 10 has elasticity, when a parallel bar practicer bends upwards and backwards and turns over backwards, the spring baffle plate 10 has larger elasticity and can block human feet to provide an auxiliary protection effect for the human feet, when the spring baffle plate 10 deviates to a limit position, the feet of the practicer can not press the spring baffle plate 10, and by virtue of the elastic effect of the spring baffle plate 10, the practicer can be prevented from suddenly turning over backwards and avoid arm injury; the radar ranging probe 11 is used for measuring the distance between the spring baffle 10 and the legs of a person and giving an alarm when a certain limit value is reached; the pressure sensor 13 sends out voice prompt alarm when the spring baffle 10 is pressed by the legs of a person, so that the person is prevented from losing hands and being injured when the person bends and stretches upwards and backwards.
All kinds of parts used in this application file are standard parts, can purchase from the market, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art, and circuit connection adopts conventional connected mode among the prior art, and electrical equipment all communicates with external safe power supply, does not make specific statement here again.
In summary, the following steps: this protector is prevented turning over by parallel bars training, through setting up down axostylus axostyle 6, positioning bolt 7, locating hole 8, the gripping is 9, spring baffle 10, radar range probe 11, upper shaft pole 12, pressure sensor 13, support cover 14, torsional spring 15, the cooperation of lantern ring 16 and anti-skidding cloth cover 21 is used, current parallel bars has been solved when using, because of can not provide the protection of preventing turning over to the training personnel, make the situation of turning over very easily appear in the training process, cause training personnel hand injury, thereby lead to the unsafe problem of using to appear in the parallel bars training ware.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Claims (10)
1. Protection ware is prevented turning over by parallel bars training, including mounting plate (1), its characterized in that: the four corners of the top surface of the mounting base plate (1) are fixedly connected with supporting vertical rods (2), the tops of the front and rear supporting vertical rods (2) are longitudinally and fixedly connected with a lever body (5), the front side of the surface of the lever body (5) is sleeved with a lantern ring (16), the front side of the surface of the lantern ring (16) is sleeved with a grasping handle (9), the surface of the outer side of the lever body (5) is provided with a positioning hole (8), the front side and the rear side of the outer side surface of the lantern ring (16) are respectively provided with a positioning bolt (7), the inner side of each positioning bolt (7) penetrates through the lantern ring (16) and extends into the positioning hole (8), the rear side of the bottom of one side corresponding to the two lantern rings (16) is transversely and fixedly connected with a lower shaft rod (6), the rear side of the top of the inner side of the lantern ring (16) is fixedly connected with a supporting sleeve (14), and one side corresponding to the two supporting sleeves (14) is transversely provided with an upper shaft rod (12), go up top fixedly connected with spring baffle (10) of axostylus axostyle (12), the both sides on last axostylus axostyle (12) surface all are equipped with torsional spring (15), the top and the bottom of the positive surface center department of spring baffle (10) all inlay and have radar range probe (11), the equal fixedly connected with pressure sensor (13) in four corners on the positive surface of spring baffle (10), the surface cover of grabbing handle (9) is equipped with anti-skidding cloth cover (20).
2. The parallel bar training rollover prevention protector according to claim 1, wherein: the four corners of the top surface of the mounting base plate (1) are all penetrated and provided with mounting positioning holes (4), the inner cavity of each mounting positioning hole (4) is provided with a mounting positioning rod (3), and the bottom of each mounting positioning rod (3) penetrates through the corresponding mounting positioning hole (4) and extends to the bottom of the mounting base plate (1).
3. The parallel bar training rollover prevention protector according to claim 1, wherein: the inner ring of the lantern ring (16) is in sliding contact with the surface of the lever body (5), the lantern ring (16) is provided with a positioning screw hole matched with the positioning bolt (7) for use, and the surface of the positioning bolt (7) is in threaded connection with the inner cavity of the positioning screw hole.
4. The parallel bar training rollover prevention protector according to claim 1, wherein: both sides of the upper shaft rod (12) extend to the inner cavity of the support sleeve (14) and are movably connected with the inner cavity of the support sleeve (14) through bearings.
5. The parallel bar training rollover prevention protector according to claim 1, wherein: the bottom of the torsion spring (15) extends to the bottom of the back surface of the lower shaft lever (6), the top of the torsion spring (15) extends to the top of the back surface of the spring baffle (10), and the inner diameter of the torsion spring (15) is larger than the outer diameter of the upper shaft lever (12).
6. The parallel bar training rollover prevention protector according to claim 1, wherein: the top and the bottom of spring baffle (10) positive surface center department all seted up with the recess that radar range probe (11) cooperation was used, the positive surface of radar range probe (11) and the positive surface of spring baffle (10) are on same plane, radar range probe (11) and pressure sensor (13) are all through signal wireless connection to have handheld terminal.
7. The parallel bar training rollover prevention protector according to claim 1, wherein: the spring baffle (10) comprises a base plate (19), a sponge layer (18) wraps the surface of the outer ring of the base plate (19), and an artificial leather layer (17) wraps the surface of the outer ring of the sponge layer (18).
8. The parallel bar training rollover prevention protector according to claim 1, wherein: the outer diameters of the lower shaft lever (6) and the upper shaft lever (12) are the same, and the outer diameter of the torsion spring (15) is smaller than that of the support sleeve (14).
9. The parallel bar training rollover prevention protector according to claim 2, wherein: the mounting positioning hole (4) is T-shaped, the mounting positioning rod (3) is an inner hexagonal rod body, and the surface of the top of the mounting positioning rod (3) and the surface of the top of the mounting base plate (1) are on the same plane.
10. The parallel bar training rollover prevention protector according to claim 1 or 2, wherein: support montant (2) and be located the inboard of installation locating hole (4), the front side and the rear side of anti-skidding cloth cover (20) bottom surface all are provided with construction bolt (21), the inside of anti-skidding cloth cover (20) and extension bar body (5) is run through at the top of construction bolt (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875566.9A CN113616974A (en) | 2021-07-30 | 2021-07-30 | Anti-reverse-turning protector for parallel bar training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875566.9A CN113616974A (en) | 2021-07-30 | 2021-07-30 | Anti-reverse-turning protector for parallel bar training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113616974A true CN113616974A (en) | 2021-11-09 |
Family
ID=78381987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110875566.9A Pending CN113616974A (en) | 2021-07-30 | 2021-07-30 | Anti-reverse-turning protector for parallel bar training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113616974A (en) |
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| US20200268588A1 (en) * | 2019-02-22 | 2020-08-27 | Dhawn . | Independent Ambulatory Assistance System w/360 Fall Protection and Sit-to-Stand Assist |
| CN210331486U (en) * | 2019-03-08 | 2020-04-17 | 杭州严森体育设施工程有限公司 | Parallel bars with higher safety index |
| CN211215186U (en) * | 2019-09-20 | 2020-08-11 | 长沙市第三医院 | Balance bar for rehabilitation training |
| CN211676047U (en) * | 2019-12-18 | 2020-10-16 | 河北佳威科技发展有限公司 | Parallel bars convenient to height-adjusting |
| CN213609586U (en) * | 2020-11-24 | 2021-07-06 | 江苏乐霖教育装备有限公司 | Parallel bars with drop protection component |
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