CN114797043B - Volleyball net fixing device - Google Patents
Volleyball net fixing device Download PDFInfo
- Publication number
- CN114797043B CN114797043B CN202210566848.5A CN202210566848A CN114797043B CN 114797043 B CN114797043 B CN 114797043B CN 202210566848 A CN202210566848 A CN 202210566848A CN 114797043 B CN114797043 B CN 114797043B
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- Prior art keywords
- rod
- fixed
- rectangular
- vertical rod
- sliding block
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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
- A63B61/00—Tennis nets or accessories for tennis or like games, e.g. volley-ball
- A63B61/02—Posts; Revolvably-mounted posts ; Straining or adjusting devices on the posts, e.g. coin- or time operated
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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
- A63B61/00—Tennis nets or accessories for tennis or like games, e.g. volley-ball
- A63B61/003—Nets for tennis or like games or accessories therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a volleyball net fixing device; the technical scheme is that the volleyball net fixing device comprises a vertical rod, wherein the vertical rod is a hollow rod, two vertical rods are fixed in the vertical rod, a plurality of groups of volleyball net fixing units capable of sliding up and down are arranged on the two vertical rods, each fixing block unit comprises a first balancing weight and a sliding block, the first balancing weight and the sliding block are respectively and slidably fixed on the two vertical rods, a swinging rod is arranged on the first balancing weight, and a hook is fixed on the swinging rod; a vertical rod close to the sliding block is provided with a through groove in the vertical direction; two adjacent sliding blocks are connected together through a connecting rope, a reversing wheel is fixed at the upper end of the vertical rod cavity, pull ropes are fixed on the sliding blocks at the uppermost end and the lowermost end respectively, the other end of the pull rope on the sliding block at the uppermost end bypasses the reversing wheel and passes through the lower end of the vertical rod to penetrate out of the vertical rod, and the other end of the pull rope on the sliding block at the lowermost end is fixed at the lower end of the vertical rod; the invention has ingenious structure, the first balancing weight and the sliding block slide up and down, the sliding block slides upwards to enable the hook to be arranged in the vertical rod, and the safety of the competition is improved.
Description
Technical Field
The invention relates to sports equipment, in particular to a volleyball net fixing device.
Background
When the existing volleyball net is hung, a hook is generally adopted or a fixing ring is arranged on a fixing rod, both the hook and the fixing ring can protrude out of the fixing rod, and when the volleyball is in volleyball match, as the action of a sportsman is more intense, the opportunities of countermeasures at the two ends of the volleyball net are more, and the hook and the fixing ring can cause certain potential safety hazards to the sportsman.
In addition, because the volleyball net is higher, in order to be convenient for hang the net, adopt the ladder in reality or make telescopic structure with the dead lever, there is certain potential safety hazard with the ladder, make the dead lever behind the telescopic link, the intensity of dead lever can reduce to some extent, and the telescopic operation of telescopic link is also more troublesome.
Disclosure of Invention
Aiming at the situation, the invention aims to solve the problems in the prior art and provide the volleyball net fixing device which effectively solves the problem that hooks and fixing rings can cause certain potential safety hazards to athletes.
The technical scheme is that the novel volleyball net comprises upright rods, wherein the upright rods are hollow rods, two vertical rods are fixed in the upright rods and are placed left and right, a plurality of groups of volleyball net fixing units capable of sliding up and down are arranged on the two vertical rods, each fixing block unit comprises a first balancing weight and a sliding block, the first balancing weight and the sliding block are respectively and slidably fixed on the two vertical rods, a swinging rod with one end hinged to the first balancing weight is arranged on each first balancing weight, and a hook is fixed on the other end of each swinging rod;
a vertical rod close to the sliding block is provided with a through groove in the vertical direction;
the sliding block is forced to move upwards to drive the swinging rod to swing upwards, the swinging rod swings upwards to drive the first balancing weight to move upwards, the swinging rod inclines and enables the hook to be arranged in the vertical rod through the through groove without extending out of the vertical rod, and when the sliding block moves downwards to the lowest displacement end, the swinging rod resets to enable the hook on the sliding block to extend out of the vertical rod through the through groove;
the two adjacent sliding blocks are connected together through a connecting rope, the connecting ropes between the two adjacent sliding blocks are equal in length, a reversing wheel is fixed at the upper end of the vertical rod cavity, pull ropes are fixed on the sliding blocks at the uppermost end and the lowermost end respectively, the other end of the pull rope on the sliding block at the uppermost end bypasses the reversing wheel and penetrates out of the vertical rod through the lower end of the vertical rod, and the other end of the pull rope on the sliding block at the lowermost end is fixed at the lower end of the vertical rod.
According to the invention, the first balancing weight and the sliding block slide up and down, so that the hook is arranged in the vertical rod, the safety during competition is improved, the first balancing weight moves down to drive the sliding block and the swing rod to move down, the hook is arranged outside the vertical rod, the height of the hook is reduced, and the net hanging operation by workers is facilitated.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a front view of the invention with the front end face of the pole removed.
Fig. 3 is a front cross-sectional view of the present invention with only the upright and rectangular bars cut away.
Fig. 4 is a right side view of the present invention.
Fig. 5 is a front sectional view of only the vertical rod and the rectangular rod after the swing rod of the present invention moves upward.
Fig. 6 is a rear view of the present invention.
Fig. 7 is a perspective view of the first counterweight, slider, and swing link of the invention.
FIG. 8 is a schematic front view of the volleyball net of the present invention after being deployed.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As can be seen from fig. 1 to 8, the invention comprises a vertical rod 1, wherein the vertical rod 1 is a hollow rod, two vertical rods 2 are fixed in the vertical rod 1, the two vertical rods 2 are left and right placed, a plurality of groups of volleyball net fixing units capable of sliding up and down are arranged on the two vertical rods 2, each fixing block unit comprises a first balancing weight 3 and a sliding block 4, the first balancing weight 3 and the sliding block 4 are respectively and slidably fixed on the two vertical rods 2, each first balancing weight 3 is provided with a swinging rod 5, one end of each swinging rod 5 is hinged on the first balancing weight 3, and the other end of each swinging rod 5 is fixedly provided with a hook 6;
a vertical rod 1 close to the sliding block 4 is provided with a through groove in the vertical direction;
the slider 4 is forced to move upwards to drive the swing rod 5 to swing upwards, the swing rod 5 swings upwards to drive the first balancing weight 3 to move upwards, the swing rod 5 inclines and enables the hook 6 to be placed in the vertical rod 1 through the through groove without extending out of the vertical rod 1, and when the slider 4 moves downwards to the lowest displacement end, the swing rod 5 resets to enable the hook 6 on the swing rod to extend out of the vertical rod 1 through the through groove;
the two adjacent sliding blocks 4 are connected together through a connecting rope, the connecting ropes between the two adjacent sliding blocks 4 are equal in length, a reversing wheel 9 is fixed at the upper end of a cavity of the vertical rod 1, pull ropes are fixed on the sliding blocks 4 at the uppermost end and the lowermost end, the other end of each pull rope on the sliding block 4 at the uppermost end passes through the vertical rod 1 by bypassing the reversing wheel 9 and passes out of the vertical rod 1 through the lower end of the vertical rod 1, and the other end of each pull rope on the sliding block 4 at the lowermost end is fixed at the lower end of the vertical rod 1.
The swing rod 5 is provided with a long notch 10 along the axial direction of the swing rod 5, a pin shaft 11 is fixed on the sliding block 4 corresponding to each first balancing weight 3, and the pin shaft 11 is inserted into the long notch 10;
by adopting the structure that the long notch 10 is matched with the pin shaft 11, when the sliding block 4 moves upwards, the pin shaft 11 slides rightwards in the long notch 10 to enable the swinging rod 5 to swing upwards and drive the first balancing weight 3 to move upwards, and when the sliding block 4 moves downwards to the lowest displacement end, the pin shaft 11 moves leftwards along the long notch 10 to enable the swinging rod 5 to reset so that a hook on the swinging rod extends out of the vertical rod 1.
The through groove is composed of a lower yielding groove 7 and a limiting groove 8 above the yielding groove 7, the yielding groove 7 is communicated with the limiting groove 8, the width of the yielding groove 7 is larger than that of the limiting groove 8, the width of the limiting groove 8 is slightly larger than the thickness of the hook 6, and the width of the yielding groove 7 is larger than the thickness of the swing rod 5; the swing rod 5 swings upwards to enable the hook 6 to be arranged in the limit groove 8 and not extend out of the limit groove 8, and when the sliding block 4 moves downwards to enable the swing rod 5 to reset, the swing rod 5 extends out of the vertical rod 1 through the abdicating groove 7;
the width of the limit groove 8 is slightly larger than the thickness of the hook 6, so that the hook 6 is ensured not to swing when in use.
A handle 12 is fixed on the outer side of the lower end of the upright 1, and the other end of the pull rope on the uppermost slide block 4 is wound and fixed on the handle 12; the lower extreme of pole setting 1 is opened there is the rectangle through-hole 13 of upper and lower direction, opens a plurality of rectangle blind holes that arrange of upper and lower direction on the side of rectangle through-hole 13, and the fixture block 14 that can reciprocate in the rectangle through-groove is inserted to rectangle through-hole 13, and fixture block 14 can move to arbitrary rectangle blind hole in through the rectangle through-hole, and the lower extreme of pole setting 1 cavity is fixed with horizontal pole 15, and the stay cord other end on the lower extreme slider 4 walks around horizontal pole 15 and fixes on fixture block 14.
The clamping block 14 is composed of rectangular blocks and cylindrical blocks, the rectangular blocks are arranged in the rectangular through holes and can be moved into any rectangular blind hole through the rectangular through holes, the cylindrical blocks are arranged on the outer sides of the vertical rods 1, the rectangular blocks are moved through the cylindrical blocks, and the pull ropes are fixed on the rectangular blocks.
The swing rods 5 are hinged to the front side surfaces of the first balancing weights 3 through distribution shafts, a horizontally placed rectangular supporting block 16 is fixed to the front side surface of each first balancing weight 3, the lower ends of the swing rods 5 are placed horizontally, when the sliding blocks 4 move downwards to the lowest displacement end, the swing rods 5 are reset and are attached to the rectangular supporting blocks 16, and the supporting blocks 16 enable the swing rods 5 to be kept horizontal.
A stop block 17 is fixed on the lower end face of each first balancing weight 3.
The upright 1 is a rectangular rod 22 with a rectangular cross section, and the abdication groove 7 and the limit groove 8 are formed on one side surface.
The invention also comprises a base, wherein the base comprises a bottom plate 18, a second balancing weight 19 is fixed on the bottom plate 18, a plurality of vertical straight rods 20 are fixed on the bottom plate 18, and a rectangular guide rod 21 is fixed at the upper ends of the plurality of straight rods 20; the lower extreme of pole setting 1 is fixed with a rectangle pole 22, and open T type groove on the rectangle pole 22, and guide bar 21 inserts in the T type inslot, makes pole setting 1 slide on guide bar 21 through rectangle pole 22, is equipped with the bolt on the rectangle pole 22, and the bolt inwards rotates and can prop up tightly on guide bar 21, makes rectangle pole 22 can not slide on guide bar 21, and after the bolt outwards rotates, rectangle pole 22 can slide on guide bar 21, drives pole setting 1 and removes.
When the volleyball net hanging device is used, two devices are respectively placed on the left side and the right side of a volleyball net, one side with a hook 6 is arranged oppositely, bolts on a rectangular rod 22 are loosened, the rectangular rod 22 moves inwards along a guide rod 21, upright rods 1 on the two sides are close to each other, the distance between the upright rods 1 is smaller than the length of the volleyball net, and net hanging is facilitated.
Before the net is hung, the other end of the pull rope on the uppermost slide block 4 is not wound on the handle 12, so that the slide blocks 4 and the first balancing weights 3 are arranged at the lowest displacement end, the hooks 6 on the swinging rods 5 on the first balancing weights 3 extend out of the vertical rods 1 through the yielding grooves 7, and as the lower end face of each first balancing weight 3 is fixedly provided with one stop block 17, the first balancing weights 3 are separated through the stop blocks 17, and intervals are reserved between the swinging rods 5 and the hooks 6 on the first balancing weights 3, so that the volleyball net is conveniently hung on the hooks 6.
And then the upper and lower positions of the rectangular blocks are adjusted through the cylindrical blocks on the clamping blocks 14 according to the heights of the volleyball nets corresponding to men and women, so that the rectangular blocks are placed in the corresponding rectangular blind holes.
When the volleyball net hanging device is used, two sides of the volleyball net are hung on the hooks 6 on the upright posts 1 on two sides, and as the distance between the two upright posts 1 is smaller than the length of the volleyball net, the net hanging is convenient, and as the first balancing weight 3 and the sliding block 4 are positioned at the lowest end of the displacement of the volleyball net and are lower in height from the ground, auxiliary tools such as a ladder are not needed for the net hanging operation, and workers can operate the volleyball by themselves.
After the two sides of the volleyball net are hung on the hooks 6 on the two sides, the stay rope on the uppermost slide block 4 is pulled, the rest slide blocks 4 are pulled upwards through the connecting ropes, one end of the swing rod 5 swings upwards through the long groove 10 and the pin shaft 11 by the slide blocks 4 in each fixing unit, the first balancing weight 3 is pulled upwards by the swing rod 5 to move, one side of the volleyball net is driven by the swing rod 5 through the hooks 6 to move upwards and spread in the height direction, finally the hooks 6 are placed in the limiting grooves 8, and then the other end of the stay rope on the uppermost slide block 4 is wound on the handle 12.
And then pushing the two rectangular rods 22 to separate the two rectangular rods 22 from each other, so that the volleyball net is unfolded in the length direction, and fixing the volleyball net by bolts after reaching the required distance.
When the volleyball net is used up, the pull rope on the handle 12 is loosened, and the first balancing weight 3 slides downwards with the sliding block 4 and the swing rod 5 under the gravity to finish net collection.
According to the invention, two vertical rods 2 are arranged in the vertical rod 1, the first balancing weights 3 and the sliding blocks 4 are slidably arranged on the vertical rods 2, when a volleyball net is arranged, the pull ropes are loosened, so that the first balancing weights 3 and the sliding blocks 4 can slide downwards, a plurality of hooks 6 are arranged at a lower position and are stacked together, and meanwhile, the hooks 6 extend out of the vertical rod 1 through the abdicating grooves 7, so that a worker can conveniently hang a net, and the problem caused by the need of a ladder or the need of making volleyball net fixing rods into telescopic rods when the existing volleyball net is hung is solved; after the volleyball net is hung, the volleyball net can be unfolded in the height direction by pulling the pull rope, so that the operation is convenient; after the volleyball net is unfolded in the height direction, the hooks 6 on the swinging rods 5 are hidden in the limiting grooves 8, the hooks 6 are prevented from damaging athletes, the limiting grooves 8 can prevent the hooks 6 from swinging, ropes between the sliding blocks 4 are equal in length, and the flatness of the volleyball net after being unfolded in the height direction is guaranteed.
The rectangular blocks in the clamping block 14 can be moved into any rectangular blind holes, so that the volleyball nets corresponding to men and women can be conveniently adjusted at different heights, and the volleyball nets can be suitable for different crowds, such as children, students and the like by arranging a plurality of rectangular blind holes.
The invention changes the length between the two upright posts 1 by moving the rectangular rod 22 on the guide rod 21, is convenient for picking and installing the volleyball net, solves the problem that the base needs to be moved when the volleyball net is installed in the prior art, reduces labor intensity, and can make more weight without moving the bottom plate 18 when the volleyball net is used, and improves the stability of the volleyball net during competition.
Claims (8)
1. The volleyball net fixing device is characterized by comprising a vertical rod (1), wherein the vertical rod (1) is a hollow rod, two vertical rods (2) are fixed in the vertical rod (1), the two vertical rods (2) are placed left and right, a plurality of groups of volleyball net fixing units capable of sliding up and down are arranged on the two vertical rods (2), each fixing block unit comprises a first balancing weight (3) and a sliding block (4), the first balancing weight (3) and the sliding block (4) are respectively and slidably fixed on the two vertical rods (2), a swinging rod (5) with one end hinged to the first balancing weight (3) is arranged on each first balancing weight (3), and a hook (6) is fixed on the other end of each swinging rod (5);
a vertical rod (1) close to the sliding block (4) is provided with a through groove in the vertical direction;
the sliding block (4) is forced to move upwards to drive the swinging rod (5) to swing upwards, the swinging rod (5) swings upwards and then drives the first balancing weight (3) to move upwards, the swinging rod (5) inclines and enables the hook (6) to be arranged in the vertical rod (1) through the through groove without extending out of the vertical rod (1), and when the sliding block (4) moves downwards to the lowest displacement end, the swinging rod (5) resets to enable the hook (6) on the sliding block to extend out of the vertical rod (1) through the through groove;
the two adjacent sliding blocks (4) are connected together through a connecting rope, the connecting ropes between the two adjacent sliding blocks (4) are equal in length, a reversing wheel (9) is fixed at the upper end of a cavity of the vertical rod (1), pull ropes are fixed on the sliding blocks (4) at the uppermost end and the lowermost end, the other end of each pull rope on the sliding block (4) at the uppermost end bypasses the reversing wheel (9) and penetrates out of the vertical rod (1) through the lower end of the vertical rod (1), and the other end of each pull rope on the sliding block (4) at the lowermost end is fixed at the lower end of the vertical rod (1).
2. Volleyball net fixing device according to claim 1, wherein the swing rod (5) is provided with a long notch (10) along the axial direction of the swing rod (5), a pin shaft (11) is fixed on the sliding block (4) corresponding to each first balancing weight (3), and the pin shaft (11) is inserted into the long notch (10).
3. Volleyball net fixing device according to claim 1 or 2, wherein the through groove consists of a lower yielding groove (7) and a limiting groove (8) above the yielding groove (7), the yielding groove (7) is communicated with the limiting groove (8), the width of the yielding groove (7) is larger than that of the limiting groove (8), the width of the limiting groove (8) is slightly larger than that of the hook (6), and the width of the yielding groove (7) is larger than that of the swing rod (5).
4. Volleyball net fixing device according to claim 1 or 2, wherein a handle (12) is fixed on the outer side of the lower end of the upright (1), and the other end of the stay cord on the uppermost slider (4) is wound and fixed on the handle (12); the lower extreme of pole setting (1) is opened there is rectangular through-hole (13) of upper and lower direction, it has a plurality of rectangular blind holes of upper and lower direction range to open on the side of rectangular through-hole (13), fixture block (14) that can reciprocate in rectangular through-groove are equipped with in rectangular through-hole (13), fixture block (14) can move to arbitrary rectangle blind hole in through rectangular through-hole, the lower extreme of pole setting (1) cavity is fixed with horizontal pole (15), the stay cord other end on lower extreme slider (4) is walked around horizontal pole (15) and is fixed on fixture block (14).
5. Volleyball net fixing device as claimed in claim 4, wherein the clamping block (14) is composed of a rectangular block and a cylindrical block, the rectangular block is arranged in the rectangular through hole and can move into any rectangular blind hole through the rectangular through hole, the cylindrical block is arranged on the outer side of the upright (1), the rectangular block is moved through the cylindrical block, and the pull rope is fixed on the rectangular block.
6. Volleyball net fixing device according to claim 5, wherein the swing rods (5) are hinged on the front side surfaces of the first balancing weights (3) through a distribution shaft, and a horizontally placed rectangular supporting block (16) arranged at the lower end of each swing rod (5) is fixed on the front side surface of each first balancing weight (3).
7. Volleyball net fixing device according to claim 6, wherein a stop (17) is fixed to the lower end face of each first balancing weight (3).
8. Volleyball net fixing device according to claim 7, wherein the upright (1) is a rectangular rod (22) with a rectangular cross section, and the relief groove (7) and the limit groove (8) are formed on one side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566848.5A CN114797043B (en) | 2022-05-24 | 2022-05-24 | Volleyball net fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210566848.5A CN114797043B (en) | 2022-05-24 | 2022-05-24 | Volleyball net fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114797043A CN114797043A (en) | 2022-07-29 |
| CN114797043B true CN114797043B (en) | 2023-07-14 |
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ID=82518181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210566848.5A Active CN114797043B (en) | 2022-05-24 | 2022-05-24 | Volleyball net fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114797043B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122451A (en) * | 1976-10-29 | 1978-10-24 | Senoh Kabushiki Kaisha | Net post suitable for use in ball games |
| US4444397A (en) * | 1981-12-04 | 1984-04-24 | Senoh Kabushiki Kaisha | Adjusting device for a net pole |
| DE3523568A1 (en) * | 1985-07-02 | 1987-01-08 | Schrco Heinz Schuermann Gmbh & | Holding post for a sporting net |
| JPH0658971U (en) * | 1993-01-30 | 1994-08-16 | 浅野金属工業株式会社 | Struts for net tension |
| JPH07313645A (en) * | 1994-05-27 | 1995-12-05 | Takano Shokai:Kk | Pillar device for net putting up |
| CN206549106U (en) * | 2017-03-15 | 2017-10-13 | 齐齐哈尔大学 | A kind of volleyball training frame of adjustment height |
| FR3085002A1 (en) * | 2018-08-19 | 2020-02-21 | David Castan | CABLE TENSIONING SYSTEM FOR ENTIRELY HIDDEN SPORTS NET IN THE POST. |
-
2022
- 2022-05-24 CN CN202210566848.5A patent/CN114797043B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4122451A (en) * | 1976-10-29 | 1978-10-24 | Senoh Kabushiki Kaisha | Net post suitable for use in ball games |
| US4444397A (en) * | 1981-12-04 | 1984-04-24 | Senoh Kabushiki Kaisha | Adjusting device for a net pole |
| DE3523568A1 (en) * | 1985-07-02 | 1987-01-08 | Schrco Heinz Schuermann Gmbh & | Holding post for a sporting net |
| JPH0658971U (en) * | 1993-01-30 | 1994-08-16 | 浅野金属工業株式会社 | Struts for net tension |
| JPH07313645A (en) * | 1994-05-27 | 1995-12-05 | Takano Shokai:Kk | Pillar device for net putting up |
| CN206549106U (en) * | 2017-03-15 | 2017-10-13 | 齐齐哈尔大学 | A kind of volleyball training frame of adjustment height |
| FR3085002A1 (en) * | 2018-08-19 | 2020-02-21 | David Castan | CABLE TENSIONING SYSTEM FOR ENTIRELY HIDDEN SPORTS NET IN THE POST. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114797043A (en) | 2022-07-29 |
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Effective date of registration: 20230626 Address after: 210000 Xiaozhuang village, Dongba Town, Gaochun District, Nanjing City, Jiangsu Province Applicant after: Nanjing Huiteng Machinery Casting Co.,Ltd. Address before: 450053 No.2, Yinhe street, Huiji District, Zhengzhou City, Henan Province Applicant before: PHYSICAL EDUCATION COLLEGE OF ZHENGZHOU University |
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