CN108654048A - A kind of tennis ball hitting training ball serving device - Google Patents
A kind of tennis ball hitting training ball serving device Download PDFInfo
- Publication number
- CN108654048A CN108654048A CN201810390445.3A CN201810390445A CN108654048A CN 108654048 A CN108654048 A CN 108654048A CN 201810390445 A CN201810390445 A CN 201810390445A CN 108654048 A CN108654048 A CN 108654048A
- Authority
- CN
- China
- Prior art keywords
- plate
- level
- tennis
- rack
- vertical
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/407—Stationarily-arranged devices for projecting balls or other bodies with spring-loaded propelling means
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/38—Training appliances or apparatus for special sports for tennis
Abstract
The invention discloses a kind of tennis ball hitting training ball serving devices, including loading plate, vertical fixed plate is installed on loading plate vertically, storage groove is installed on level board vertically, connection is equipped with the vertical delivery pipe through level board vertically for storage groove lower end, horizontal conveying pipe is installed with by support column level on the loading plate, rotary type, which is equipped with, on the downside of the rack II engages connection partial gear with rack II, level is installed with resetting spring I between cage plate and vertical fixed plate, horizontal screw thread connection is equipped with lead screw on the cage plate, lead screw left end is rotatablely connected with limiting plate, lead screw right end is installed with stubborn block；The present invention jettisonings to the impact of tennis by the left quick sliding realization of the push plate in horizontal conveying pipe, greatly reduce the amount of labour of artificial toss, the toss dynamics of tennis can be adjusted simultaneously, simple to operate, the tennis breaktest for facilitating sportsman of high degree.
Description
Technical field
The present invention relates to sporting devices technical field, specifically a kind of tennis ball hitting training ball serving device.
Background technology
Sport is a kind of Social Culture phenomenon of complexity, it gives birth to using body and intellection as basic means according to human body
The rules such as long development, technical ability are formed and function improves, reach promote full development, improve fitness and overall education level,
It builds up health and improves locomitivity, mode of making the life better and improve the quality of living a kind of conscious, purposeful, organized
Social activities.
Tennis is liked as one of sports items by many people, during carrying out tennis training, Jiao Lianren
Member needs hand throwing net ball, and then sportsman holds racket and carries out practice stroke, to reach the training goal to tennis ball hitting, but passes
System slowball needs other people mate-assists, practice to get up to expend more energy and time, therefore there is an urgent need for design one kind at present
Tennis ball hitting training ball serving device facilitates sportsman to carry out autonomous batting training.
Invention content
The purpose of the present invention is to provide a kind of tennis ball hitting training ball serving devices, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：
A kind of tennis ball hitting training ball serving device, including loading plate are installed with vertical fixed plate on loading plate vertically, erect
Level is installed with level board in straight fixed plate, is installed with storage groove on level board vertically, storage groove lower end connects vertically
The logical vertical delivery pipe being equipped with through level board is installed with horizontal feed on the loading plate by support column level
Pipe, vertical delivery pipe lower end is connected to horizontal conveying pipe；Horizontal slidingtype is equipped with slide damper in the vertical delivery pipe, sliding
Offer downcast hole on dynamic baffle vertically, the slide damper left upper end is installed with baffle II vertically, baffle II with it is vertical
Level is installed with resetting spring II between delivery pipe, and slide damper bottom surface level is installed with rack II, described
Level board bottom surface is installed with decelerating motor, and the output shaft of decelerating motor is coaxially installed with driving pulley, the rack
Rotary type is equipped with and engages connection partial gear with rack II on the downside of II, and driven belt is coaxially installed on partial gear
It being arranged on wheel, driven pulley and driving pulley and is connected with driving belt, horizontal slidingtype is equipped with push plate in the horizontal conveying pipe,
Push plate right side wall level is installed with guide rod, and horizontal conveying pipe upper side wall level offers strip through-hole, consolidates vertically on guide rod
Dingan County is equipped with the supporting rod through strip through-hole, and the post upper level, which is installed with, engages connection with partial gear
Rack I；The guide rod, which slides to the right, runs through vertical fixed plate, and guide rod right upper is installed with limiting plate, guide rod vertically
Upper sliding sleeve is equipped with cage plate, and level is installed with resetting spring I between cage plate and vertical fixed plate, horizontal spiral shell on the cage plate
Line connection is equipped with lead screw, and lead screw left end is rotatablely connected with limiting plate, and lead screw right end is installed with stubborn block.
Scheme as an improvement of the present invention：The diameter of the downcast hole is more than the internal diameter of vertical delivery pipe.
Scheme as an improvement of the present invention：The resetting spring II left ends are fixed on baffle II right side walls, reset bullet
Spring II right ends are fixed on vertical delivery pipe left side wall.
Scheme as an improvement of the present invention：The resetting spring I left ends are fixed on vertical fixed plate right side wall, reset
Spring I right ends are fixed on cage plate left side wall.
Scheme as an improvement of the present invention：The horizontal conveying pipe left end is installed with tipping tube, and tipping tube is left
On be obliquely installed.
Scheme as an improvement of the present invention：The rack II is located above rack I.
Scheme as an improvement of the present invention：The supporting rod is cylinder rod-like structure, and diameter is less than strip through-hole
Width.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention jettisonings to the impact of tennis by the left quick sliding realization of the push plate in horizontal conveying pipe, greatly reduces
The amount of labour of artificial toss, while the toss dynamics of tennis can be adjusted, simple to operate, high degree facilitates movement
The tennis breaktest of member.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged diagram in the portions A in Fig. 1；
Fig. 3 is the local overlooking schematic diagram of delivery pipe in the present invention.
In figure：1- loading plates, 2- guide rods, 3- supporting rods, 4- resetting spring I, 5- support column, 6- lead screws, 7- twist block, 8- sets
Plate, 9- limiting plates, the vertical fixed plates of 10-, 11- strip through-holes, 12- rack I, 13- level board, 14- decelerating motors, 15- are actively
Belt wheel, 16- driving belts, 17- push plates, 18- tennises, 19- storage grooves, 20- resetting spring II, 21- baffles II, 22- are defeated vertically
Send pipe, 23- horizontal conveying pipes, 24- tipping tubes, 25- slide dampers, 26- rack II, 27- partial gear, 28- driven pulleys,
29- downcast holes.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment：
Please refer to Fig.1-3, a kind of tennis ball hitting training ball serving device, including loading plate 1 is fixedly mounted vertically on loading plate 1
There is a vertical fixed plate 10, level is installed with level board 13 in vertical fixed plate 10, is installed with vertically on level board 13
Storage groove 19, connection is equipped with the vertical delivery pipe 22 through level board 13 to 19 lower end of storage groove vertically, leads on the loading plate 1
It crosses 5 level of support column and is installed with horizontal conveying pipe 23,22 lower end of vertical delivery pipe is connected to horizontal conveying pipe 23；It is described perpendicular
Horizontal slidingtype is equipped with slide damper 25 in straight delivery pipe 22, offers downcast hole 29, the cunning on slide damper 25 vertically
Dynamic 25 left upper end of baffle is installed with baffle II21 vertically, and level is installed between baffle II21 and vertical delivery pipe 22
Resetting spring II20,25 bottom surface level of the slide damper are installed with rack II26, and peace is fixed in 13 bottom surface of the level board
Equipped with decelerating motor 14, the output shaft of decelerating motor 14 is coaxially installed with driving pulley 15, turns on the downside of the rack II26
Dynamic formula is equipped with and engages connection partial gear 27 with rack II26, and driven pulley is coaxially installed on partial gear 27
28, it is arranged on driven pulley 28 and driving pulley 15 and is connected with driving belt 16, horizontal slidingtype in the horizontal conveying pipe 23
Equipped with push plate 17,17 right side wall level of push plate is installed with guide rod 2, and it is logical that 23 upper side wall level of horizontal conveying pipe offers bar shaped
Hole 11, the supporting rod 3 through strip through-hole 11 is installed on guide rod 2 vertically, and 3 upper end level of the supporting rod is fixedly mounted
There is the rack I12 that connection is engaged with partial gear 27；The guide rod 2, which slides to the right, runs through vertical fixed plate 10,2 upper right of guide rod
Surface is installed with limiting plate 9 vertically, and sliding sleeve is equipped with cage plate 8 on guide rod 2, horizontal between cage plate 8 and vertical fixed plate 10
Be installed with resetting spring I4, on the cage plate 8 horizontal screw thread connection be equipped with lead screw 6,9 turns of 6 left end of lead screw and limiting plate
Dynamic connection, 6 right end of lead screw are installed with stubborn block 7.
The application method and operation principle of the present invention：
Before use, tennis 18 is placed in storage groove 19, start decelerating motor 14, decelerating motor 14 drives 15 turns of driving pulley
Dynamic, driving pulley 15 drives driven pulley 28 to rotate by driving belt 16, and driven pulley 28 drives co-axial be fixedly connected
Partial gear 27 rotate counterclockwise, when partial gear 27, which is turned to, to be engaged with rack II26, slide damper 25 is to the left
Sliding, resetting spring II20 deformation elongation, downcast hole 29 on slide damper 25 and vertical delivery pipe 22 vertically to it is corresponding when tennis
18 from downcast hole 29 through and along being fallen in horizontal conveying pipe 23 under vertical delivery pipe 22, when partial gear 27 turn to
When the portions rack II26 are engaged, under the rebound effect of resetting spring II20, slide damper 25 slides to the left, at this time slide damper
Downcast hole 29 on 25 is staggered with vertical delivery pipe 22, and tennis 18 will not be fallen by the blocking of slide damper 25；Partial gear 27
Continue to rotate counterclockwise to when engaging connection with rack I12, rack I12 drives guide rod 2 by the supporting rod 3 of connection fixed thereto
It slides to the right, the elongation of resetting spring I4 deformation at this time, when partial gear 27, which is turned to, to be detached with rack I12, is resetting bullet
Under the elastic recovery force effect of spring I4, guide rod 2 pushes the quick sliding and by the tennis 18 in horizontal conveying pipe 23 to the left of push plate 17
It pushes to the left, tennis 18 along tipping tube 24, jettisoning to the left by upper direction, realization tennis 18；User can be according to actual conditions
The service dynamics of tennis 18 is adjusted, and then preferably carries out batting training：Rotation twists block 7 and drives the precession to the left of lead screw 6,
Cage plate 8 slides to the left along guide rod 2 at this time, and resetting spring I4 obtains compression and pre-tightens, at this time in guide rod 2 to there is mobile process
In, the decrement of resetting spring I4 increases, and screen resilience when springing back also further increases, and then realizes the hair for increasing tennis 18
Ball dynamics.
In conclusion the present invention rushes tennis by the left quick sliding realization of the push plate 17 in horizontal conveying pipe 23
It hits and jettisonings, greatly reduce the amount of labour of artificial toss, while the toss dynamics of tennis can be adjusted, simple to operate, pole
The tennis breaktest for facilitating sportsman of big degree.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of tennis ball hitting training ball serving device, including loading plate（1）, loading plate（1）On be installed with vertically it is vertical
Fixed plate（10）, vertical fixed plate（10）Upper level is installed with level board（13）, level board（13）Upper vertical fixed installation
There is storage groove（19）, storage groove（19）Connection is equipped with through level board vertically for lower end（13）Vertical delivery pipe（22）, special
Sign is, the loading plate（1）On pass through support column（5）Level is installed with horizontal conveying pipe（23）, vertical delivery pipe
（22）Lower end and horizontal conveying pipe（23）Connection；The vertical delivery pipe（22）Upper horizontal slidingtype is equipped with slide damper
（25）, slide damper（25）On offer downcast hole vertically（29）, the slide damper（25）Left upper end is installed with vertically
Baffle II（21）, baffle II（21）With vertical delivery pipe（22）Between level be installed with resetting spring II（20）, the cunning
Dynamic baffle（25）Bottom surface level is installed with rack II（26）, the level board（13）Bottom surface is installed with decelerating motor
（14）, decelerating motor（14）Output shaft be coaxially installed with driving pulley（15）, the rack II（26）Downside rotary type
Equipped with rack II（26）Engagement connection partial gear（27）, partial gear（27）On be coaxially installed with driven pulley
（28）, driven pulley（28）With driving pulley（15）On be arranged and be connected with driving belt（16）, the horizontal conveying pipe（23）It is interior
Horizontal slidingtype is equipped with push plate（17）, push plate（17）Right side wall level is installed with guide rod（2）, horizontal conveying pipe（23）Upside
Wall level offers strip through-hole（11）, guide rod（2）On be installed with vertically through strip through-hole（11）Supporting rod（3）,
The supporting rod（3）Upper end level is installed with and partial gear（27）Engage the rack I of connection（12）；The guide rod
（2）Sliding runs through vertical fixed plate to the right（10）, guide rod（2）Right upper is installed with limiting plate vertically（9）, guide rod（2）
Upper sliding sleeve is equipped with cage plate（8）, cage plate（8）With vertical fixed plate（10）Between level be installed with resetting spring I（4）, institute
State cage plate（8）Upper horizontal screw thread connection is equipped with lead screw（6）, lead screw（6）Left end and limiting plate（9）Rotation connection, lead screw（6）It is right
End is installed with stubborn block（7）.
2. tennis ball hitting training ball serving device according to claim 1, which is characterized in that the downcast hole（29）It is straight
Diameter is more than vertical delivery pipe（22）Internal diameter.
3. tennis ball hitting training ball serving device according to claim 1, which is characterized in that the resetting spring II（20）
Left end is fixed on baffle II（21）Right side wall, resetting spring II（20）Right end is fixed on vertical delivery pipe（22）Left side wall.
4. tennis ball hitting training ball serving device according to claim 1, which is characterized in that the resetting spring I（4）It is left
End is fixed on vertical fixed plate（10）Right side wall, resetting spring I（4）Right end is fixed on cage plate（8）Left side wall.
5. tennis ball hitting training ball serving device according to claim 1, which is characterized in that the horizontal conveying pipe（23）
Left end is installed with tipping tube（24）, tipping tube（24）Upper left is obliquely installed.
6. tennis ball hitting training ball serving device according to claim 1, which is characterized in that the rack II（26）It is located at
Rack I（12）Top.
7. tennis ball hitting training ball serving device according to claim 1, which is characterized in that the supporting rod（3）For circle
Column rod-like structure, diameter are less than strip through-hole（11）Width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390445.3A CN108654048A (en) | 2018-04-27 | 2018-04-27 | A kind of tennis ball hitting training ball serving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390445.3A CN108654048A (en) | 2018-04-27 | 2018-04-27 | A kind of tennis ball hitting training ball serving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108654048A true CN108654048A (en) | 2018-10-16 |
Family
ID=63780389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390445.3A Pending CN108654048A (en) | 2018-04-27 | 2018-04-27 | A kind of tennis ball hitting training ball serving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108654048A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529302A (en) * | 2018-12-11 | 2019-03-29 | 张功溪 | A kind of table tennis training teeing apparatus |
| CN109806563A (en) * | 2019-03-06 | 2019-05-28 | 成都大学 | A kind of ball serving device for athletic training |
| CN109966724A (en) * | 2019-04-25 | 2019-07-05 | 赖国文 | A kind of baseball training ball serving device |
| CN110115830A (en) * | 2019-04-25 | 2019-08-13 | 杨敬 | A kind of table tennis training service robot |
| CN110251915A (en) * | 2019-06-18 | 2019-09-20 | 任涛涛 | A kind of table tenning ball servicing machine |
| CN110967160A (en) * | 2019-12-18 | 2020-04-07 | 安徽省无为县光明体育用品有限公司 | Ball supply equipment for badminton hitting experimental device |
| CN111388984A (en) * | 2020-03-10 | 2020-07-10 | 汪宗顶 | Automatic tennis ball launching device |
| CN111530053A (en) * | 2020-04-08 | 2020-08-14 | 汪宗顶 | Seaside is baseball transmitter for sandy beach |
| CN112221103A (en) * | 2020-10-24 | 2021-01-15 | 邵阳学院 | Special two-sided pass of football training meets ball training ware |
| CN112675515A (en) * | 2020-12-15 | 2021-04-20 | 曾风萍 | Movable baseball service robot |
| CN112870673A (en) * | 2021-01-27 | 2021-06-01 | 莫锋 | Continuous type service device that badminton training was used is educated to high-order section body |
| CN113074902A (en) * | 2021-03-15 | 2021-07-06 | 华中科技大学 | Quantitative release test device for throwing object |
| CN113101626A (en) * | 2021-05-24 | 2021-07-13 | 王翊超 | Tennis serving device |
| CN113198164A (en) * | 2021-05-17 | 2021-08-03 | 山东交通学院 | Multi-angle automatic ball serving machine for balls and using method thereof |
| CN114053676A (en) * | 2021-11-30 | 2022-02-18 | 安徽科技学院 | Basketball sport is with returning football shirt of suitable instar nature |
| CN114832354A (en) * | 2022-05-09 | 2022-08-02 | 沈阳体育学院 | Football emitter |
| CN115253252A (en) * | 2022-08-27 | 2022-11-01 | 上饶师范学院 | Tennis batting trainer |
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| CN2899874Y (en) * | 2006-06-13 | 2007-05-16 | 武汉工程大学 | Energy storage type ball shooter for tennis |
| CN107297826A (en) * | 2017-07-13 | 2017-10-27 | 孙小荣 | A kind of efficient mixing arrangement of concrete sand building stones |
| CN107670257A (en) * | 2017-10-27 | 2018-02-09 | 绍兴柯桥雷霄机械科技有限公司 | A kind of service robot for table tennis exercise |
| CN107913505A (en) * | 2017-12-19 | 2018-04-17 | 沈家豪 | A kind of physical culture is received exercise device with basketball training |
| CN208493161U (en) * | 2018-04-27 | 2019-02-15 | 长江大学 | A kind of trained ball serving device of tennis ball hitting |
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| CN2899874Y (en) * | 2006-06-13 | 2007-05-16 | 武汉工程大学 | Energy storage type ball shooter for tennis |
| CN107297826A (en) * | 2017-07-13 | 2017-10-27 | 孙小荣 | A kind of efficient mixing arrangement of concrete sand building stones |
| CN107670257A (en) * | 2017-10-27 | 2018-02-09 | 绍兴柯桥雷霄机械科技有限公司 | A kind of service robot for table tennis exercise |
| CN107913505A (en) * | 2017-12-19 | 2018-04-17 | 沈家豪 | A kind of physical culture is received exercise device with basketball training |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529302A (en) * | 2018-12-11 | 2019-03-29 | 张功溪 | A kind of table tennis training teeing apparatus |
| CN109806563A (en) * | 2019-03-06 | 2019-05-28 | 成都大学 | A kind of ball serving device for athletic training |
| CN109966724A (en) * | 2019-04-25 | 2019-07-05 | 赖国文 | A kind of baseball training ball serving device |
| CN110115830A (en) * | 2019-04-25 | 2019-08-13 | 杨敬 | A kind of table tennis training service robot |
| CN110115830B (en) * | 2019-04-25 | 2021-04-02 | 杨敬 | Service robot for table tennis training |
| CN109966724B (en) * | 2019-04-25 | 2020-09-22 | 温州骐烨机械有限公司 | Serving device for baseball training |
| CN110251915B (en) * | 2019-06-18 | 2021-02-12 | 威海水知乐户外用品股份有限公司 | Table tennis service robot |
| CN110251915A (en) * | 2019-06-18 | 2019-09-20 | 任涛涛 | A kind of table tenning ball servicing machine |
| CN110967160A (en) * | 2019-12-18 | 2020-04-07 | 安徽省无为县光明体育用品有限公司 | Ball supply equipment for badminton hitting experimental device |
| CN111388984A (en) * | 2020-03-10 | 2020-07-10 | 汪宗顶 | Automatic tennis ball launching device |
| CN111388984B (en) * | 2020-03-10 | 2021-05-11 | 汪宗顶 | Automatic tennis ball launching device |
| CN111530053A (en) * | 2020-04-08 | 2020-08-14 | 汪宗顶 | Seaside is baseball transmitter for sandy beach |
| CN112221103A (en) * | 2020-10-24 | 2021-01-15 | 邵阳学院 | Special two-sided pass of football training meets ball training ware |
| CN112675515A (en) * | 2020-12-15 | 2021-04-20 | 曾风萍 | Movable baseball service robot |
| CN112675515B (en) * | 2020-12-15 | 2022-05-24 | 曾风萍 | Movable baseball service robot |
| CN112870673B (en) * | 2021-01-27 | 2021-12-07 | 舒城县河棚科技创新协会 | Continuous type service device that badminton training was used is educated to high-order section body |
| CN112870673A (en) * | 2021-01-27 | 2021-06-01 | 莫锋 | Continuous type service device that badminton training was used is educated to high-order section body |
| CN113074902A (en) * | 2021-03-15 | 2021-07-06 | 华中科技大学 | Quantitative release test device for throwing object |
| CN113074902B (en) * | 2021-03-15 | 2022-01-11 | 华中科技大学 | Quantitative release test device for throwing object |
| CN113198164A (en) * | 2021-05-17 | 2021-08-03 | 山东交通学院 | Multi-angle automatic ball serving machine for balls and using method thereof |
| CN113101626B (en) * | 2021-05-24 | 2022-06-17 | 王翊超 | Tennis serving device |
| CN113101626A (en) * | 2021-05-24 | 2021-07-13 | 王翊超 | Tennis serving device |
| CN114053676A (en) * | 2021-11-30 | 2022-02-18 | 安徽科技学院 | Basketball sport is with returning football shirt of suitable instar nature |
| CN114053676B (en) * | 2021-11-30 | 2022-08-26 | 安徽科技学院 | Basketball sport is with returning football shirt of suitable instar nature |
| CN114832354A (en) * | 2022-05-09 | 2022-08-02 | 沈阳体育学院 | Football emitter |
| CN114832354B (en) * | 2022-05-09 | 2023-02-17 | 沈阳体育学院 | Football emitter |
| CN115253252A (en) * | 2022-08-27 | 2022-11-01 | 上饶师范学院 | Tennis batting trainer |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
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| RJ01 | Rejection of invention patent application after publication |