CN109833618A - For the training device to football player for ball - Google Patents
For the training device to football player for ball Download PDFInfo
- Publication number
- CN109833618A CN109833618A CN201910259443.5A CN201910259443A CN109833618A CN 109833618 A CN109833618 A CN 109833618A CN 201910259443 A CN201910259443 A CN 201910259443A CN 109833618 A CN109833618 A CN 109833618A
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- fixed
- crankshaft
- ball
- spring
- gantry
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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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Abstract
The present invention provides a kind of training device for football player for ball, including supplying device of ball, the supplying device of ball includes gantry, the wheel group of gantry front end is set, left column and right column are correspondingly arranged at left and right sides of gantry upper end, fixed plate is provided between left column and right column, uniform fixation hole is provided in the fixed plate, spring fixing pin axis is provided with along two fixed plates and between the fixation hole in same level, the bottom of spring is fixed on spring fixing pin axis, in the top of spring fixing pin axis, two fixed plates are provided with limit pin shaft, support component is provided on rear side of spring, the bottom of the support component is arranged on gantry, it is fixed at the top of the spring and support component on pendulum power crankshaft group, pendulum power crankshaft group is fixed on crankshaft, it is fixed on the right side of the crankshaft right vertical On column, the crankshaft positioning plate being arranged on left column is passed through on the left of the crankshaft, and fix with the bottom of toss arm.
Description
Technical field
The present invention relates to a kind of sports-specific training device field, specially a kind of instruction for football player for ball
Practice device.
Background technique
During football athlete during training, the ability of receiving of exercise person, ball ability is one vital out
Project, this accuracy for being directly related to the trapping ability of sportsman and passing to teammate, this is also to improve sportsman's trapping to turn
Behind go out ball ability big event, especially for midfielder trapping turn round again go out ball ability just seem increasingly important.
On court, sportsman can face from the football come is transmitted through on four sides, and sportsman needs promptly to stop ball, it is also necessary to immediately
It makes and reasonably goes out ball selection, time interval among these is very short；And in the training process of sportsman, only training
Football can be just simulated under the accompanying of member and teammate to be transmitted through from sportsman four sides and carry out football, once ladder player not enough once can not have
Effect simulation goes out the scene.
In existing technical solution, such as Patent No.: " CN201510454757.2 " provides a kind of having following structure
For the training device to football player for ball: including the court run for sportsman, the court is equipped with for ball
The object of member's shooting, the court periphery are equipped with multiple groups for throwing the jettison device of football into court；Every group of throwing
Device include the first guide rail, the first idler wheel, the first transmission shaft, first support, can the first motor of positive and negative rotation, substrate, cylinder and
For accommodating the bulb of leading of football, first guide rail is laid at the periphery of court, the first guide rail be equipped with it is opening up and
The open slot rolled for the first idler wheel；It is fixedly connected in the middle part of first transmission shaft with the first idler wheel, the first transmission shaft two
End passes through bearing respectively and first support is rotatablely connected；First motor is fixedly connected in first support, and first motor is defeated
Shaft is fixedly connected to drive the first idler wheel to roll in open slot with first transmission shaft one end；The substrate rotating is connected to
In first support, and upper surface of base plate is higher than court upper surface, and cylinder block is fixedly connected on substrate, cylinder push-off pin direction
In court；It leads bulb and is fixedly connected by connecting plate with cylinder block, lead bulb and be vertically arranged, lead the ball mouth position of bulb lower end
In the surface of cylinder push-off pin running track, and substrate is equipped with for accommodating from leading leading for the football fallen down on bulb
Slot, the inclined plate that guide groove is symmetricly set on upper surface of base plate by two are constituted, and two inclined plates constitute an opening up horn mouth,
Lead between bulb lower end and upper surface of base plate that there are the openings individually rolled out for football；The substrate rotating is connected to first
Refer on bracket, substrate one end is hinged on first support one end, and the first support other end is equipped with the second motor, and the second motor is defeated
Shaft is fixedly connected with cam, and cam gabarit and base lower surface are pushed against to push substrate rotating；The court, which is equipped with, to be used
In the mobile power device of driving object.
Jettison device above by court in periphery setting multiple groups can simulate multiple to come from different directions to sportsman
The scene of pass, and the setting of object can simulate the ball object out of sportsman.Football from lead fallen on bulb two tiltedly
It in the horn mouth that plate is constituted, then is detached from from substrate under the promotion of cylinder, due to the process of the second motor driven cam rotation
In will push substrate and rotated in first support so that substrate is close to the intermittent raising and lowering in court one end, thus football
It is detached from substrate obliquely from substrate with the opening for leading bulb, i.e. football can enter place range with the track of a curve
It is interior；That is, the application can simulate the high-altitude ball for being transmitted through different running tracks from sportsman's surrounding；Football can be from field
It is outer it is different it is external enter in court, then sportsman can run to football or corresponding movement is made to receive in original place, and adjust
It is whole well go out ball posture after football is kicked to object again；By a series of actions above-mentioned training, sportsman can be in unmanned training mate
In the case where play the purpose for tempering sportsman's adaptability to changes, also, sportsman is during handle different balls, and sportsman's needs are done
Different technical movements can well stop ball out, and accurately kick to object, and also by ceaselessly training
It can play the role of improving sportsman's pass accuracy.Specifically as follows: sportsman can be improved in continuous training process
His adaptability to changes, while improving adaptability to changes, the technical movements of sportsman also become more and more mature, by ceaselessly
Adjustment receive movement and out ball movement can take exercise out be most suitable for sportsman's own characteristic technical movements, thus again that football is fast
Speed is accurately kicked to object, is acting as the effect of a target in this object.In addition, object is in power device
The lower movement of driving, so that object is constantly moving, to improve ability to predict of the sportsman in pass, i.e., sportsman is receiving
When need to have judged the subsequent motion track of object (motion track can be modeled to positioning of the teammate on court or
The mobile goal of person), football is then penetrated into (or biography) to object, this also can be improved the adaptability to changes of sportsman.Therefore, this hair
It is bright provide it is a kind of without ladder player and can take exercise sportsman's adaptability to changes for training device to football player for ball.
It is different among the above, having ignored camber line height, the dynamics of dish out ball of the people in toss when, use is above-mentioned
Technical solution although can achieve the purpose received be trained from different directions, but its be only capable of a camber line height and
One dynamics is received, and prolonged exercise can generate inertia and muscle memory.
Summary of the invention
In order to solve the above-mentioned technical problem, the main object of the present invention be to provide it is a kind of for football player for ball
Training device.
Its technical solution is:
For the training device to football player for ball, including the shield of place surrounding is arranged in for trained place
The goal of place side is arranged in column, and for trained region and supplying device of ball, the supplying device of ball includes gantry, setting
Wheel group in gantry front end, is correspondingly arranged on left column and right column at left and right sides of gantry upper end, in left column and right column
Between be provided with fixed plate, uniform fixation hole is provided in the fixed plate, along two fixed plates and in same level
Fixation hole between be provided with spring fixing pin axis, the bottom of spring is fixed on spring fixing pin axis, in spring fixing pin axis
Top, along two fixed plates and be provided with limit pin shaft between the fixation hole in same level, set on rear side of spring
It is equipped with support component, the bottom of the support component is arranged on gantry, and pendulum is fixed at the top of the spring and support component
On power crankshaft group, pendulum power crankshaft group is fixed on crankshaft, is fixed on right column on the right side of the crankshaft, and the crankshaft is left
Side passes through the crankshaft positioning plate being arranged on left column, and fixes with the bottom of toss arm, is provided on the crankshaft positioning plate
Several adjustment holes arranged in a uniform are provided with adjusting pin shaft, described one end for adjusting pin shaft and toss arm in the adjustment hole
The limitation axis of interior setting is fixed, and the top of the toss arm is provided with toss bionic hand.
Further, the upper end of the crankshaft positioning plate is set as semicircular arc-shaped, and the adjustment hole is equal according to semicircular arc-shaped
Even arrangement, the radian between two adjustment holes are at least 15 °, are installed in different adjustment holes by the adjusting pin shaft, with
And reach the camber line and power for changing toss by the elastic force that support component adjusts the Level Change spring that pendulum power crankshaft group raises up
Degree.
Further, the support component includes support cylinder, and the bottom of support cylinder is provided with air-source pump, the gas
Source pump is connect by tracheae with support cylinder, and top and the pendulum power crankshaft group of the piston rod in the support cylinder are fixed.
Further, the pendulum power crankshaft group includes two panels pendulum power crankshaft cheek, and one end and the crankshaft for putting power crankshaft cheek are solid
Fixed, the other end is provided with the first curved bar and the second curved bar, and the top of first crankshaft and spring connects, second crankshaft with
The top of piston rod connects, and second curved bar is arranged between the first curved bar and crankshaft.
Further, the fixing end of the crankshaft and right column is provided with first rotating shaft, and crankshaft passes through with crankshaft positioning plate
Second shaft is fixed.
Further, count display fixed frame is provided with above the right pillar, setting is fixed in count display
Count display is provided on frame.
Further, it is provided with power supply device on the gantry, and is provided with shell on the outside of gantry.
Further, control device, the control device and power supply device, meter are provided on the left column and right column
Number display and support cylinder are electrically connected.
Further, the rear end of the gantry is additionally provided with rear position-limited rack, is provided with two pieces on the rear position-limited rack and determines magnetic patch,
Dynamic magnetic patch is correspondingly arranged in the lower end surface of toss arm, the dynamic magnetic patch and is determined magnetic patch and is passed through cable and power supply device and control
Device connection moves magnetic patch and determines magnetic patch contact, started by control device and be powered when toss arm, which is pushed, to be contacted with rear position-limited rack
Afterwards, the magnet for moving magnetic patch and determining the setting of magnetic patch top generates magnetic force, is pulled together so that moving magnetic patch and determining magnetic patch, after power-off,
Then separate.
Further, the wheel group includes driving wheel, and driving wheel, which is mounted on, to be driven on shaft, and the drive shaft is fixed on drive axis
On bar bottom plate, described be fixed in drive shaft bottom plate is driven on bloster, is driven bloster and is fixed on gantry, fixed drive is provided on gantry
The drive bloster fixed plate of bloster.
Compared with prior art, this can simulate the posture of people's toss for ball training device in toss, and for
The position of toss and height can be adjusted, and specially adjusting pin shaft is installed in different adjustment holes, and passes through support
The elastic force that component adjusts the Level Change spring that pendulum power crankshaft group raises up reaches the camber line and dynamics for changing toss.
The present invention is moved easily by wheel group, can adjust the direction of toss at any time.
It is adjusted by above-mentioned toss camber line, height, angle and dynamics, training can be made more to meet real match
Some angles, receive height etc. training so that training effect is more preferable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of supplying device of ball in the present invention；
Fig. 3, Fig. 4 and Fig. 5 are the schematic diagram of internal structure of supplying device of ball different location in the present invention.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
Referring to figs. 1 to Fig. 5, for the training device to football player for ball, including for trained place 100, if
The guardrail in 100 surrounding of place is set, the goal 200 of place side is set, for trained region 300 and supplying device of ball
400, the supplying device of ball 400 includes gantry 421, and the wheel group 410 of gantry front end is arranged in, corresponding at left and right sides of gantry upper end
It is provided with left column 424 and right column 432 and is provided with fixed plate between left column 424 and right column 432, in the fixed plate
It is provided with uniform fixation hole, spring fixing pin axis is provided with along two fixed plates and between the fixation hole in same level
425, the bottom of spring 422 is fixed on spring fixing pin axis 425, in the top of spring fixing pin axis 425, along two fixed plates
And limit pin shaft 426 is provided between the fixation hole in same level, the rear side of spring 422 is provided with support component
428, the bottom of the support component 428 is arranged on gantry 421, and the top of the spring 422 and support component 428 is fixed on
It puts on power crankshaft group, the pendulum power crankshaft group includes two panels pendulum power crankshaft cheek 434, puts one end and the song of power crankshaft cheek 434
Axis 431 is fixed, and the other end is provided with the first curved bar 433 and the second curved bar 429, the top of first crankshaft 433 and spring 422
Connection, second crankshaft 429 are connect with the top of piston rod, and second curved bar 429 is arranged in the first curved bar 433 and crankshaft
Between 431.
The pendulum power crankshaft group is fixed on crankshaft 431, and the right side of the crankshaft 431 is fixed on right column 432, institute
The crankshaft positioning plate 435 for passing through and being arranged on left column 424 on the left of crankshaft 431 is stated, and is fixed with the bottom of toss arm 441, institute
The fixing end for stating crankshaft 431 and right column 432 is provided with first rotating shaft 447, and crankshaft 431 and crankshaft positioning plate 435 pass through second
Shaft is fixed.
It is provided with several adjustment holes arranged in a uniform on the crankshaft positioning plate 435, is provided with tune in the adjustment hole
Pin shaft is saved, the limitation axis 436 being arranged in described one end for adjusting pin shaft and toss arm 441 is fixed, the top of the toss arm 441
It is provided with toss bionic hand 442.The upper end of the crankshaft positioning plate 435 is set as semicircular arc-shaped, and the adjustment hole 445 is according to half
Circular arc type is evenly distributed, and the radian between two adjustment holes 445 is at least 15 °, by the adjusting pin shaft in different adjustings
Installation in hole 445, and reached by the elastic force that support component 428 adjusts the Level Change spring 422 that pendulum power crankshaft group raises up
To the camber line and dynamics for changing toss.
Among the above, the support component 428 includes support cylinder, and the bottom of support cylinder is provided with air-source pump 439,
The air-source pump 439 is connect by tracheae 438 with support cylinder, the top of the piston rod in the support cylinder and pendulum power crankshaft
Component is fixed.
The top of the right pillar 432 is provided with count display fixed frame, and setting is set on count display fixed frame
It is equipped with count display 430.
It is provided with power supply device 423 on the gantry 421, and the outside of gantry 421 is provided with shell 420.Shell
420 are used for the protection of whole device.
Control device 437, the control device 437 and power supply device are provided on the left column 424 and right column 432
423, count display 430 and support cylinder are electrically connected.
The rear end of the gantry 421 is additionally provided with rear position-limited rack, is provided with two pieces on the rear position-limited rack and determines magnetic patch 450,
The lower end surface of toss arm 441 is correspondingly arranged on dynamic magnetic patch 443, the dynamic magnetic patch 450 and determines magnetic patch 443 by cable and power supply
Device 423 and control device 437 connect, and when toss arm 441, which is pushed, to be contacted with rear position-limited rack, move magnetic patch 450 and determine magnetic patch 443
Contact, after being powered by the starting of control device 437, dynamic magnetic patch 450 and the magnet for determining 443 settings on magnetic patch generate magnetic force, make
Magnetic patch must be moved and determine magnetic patch and be pulled together, after power-off, then separated.And every time to after signal, control device 437 by the signal into
Row handles and is distributed to count display 430, forms primary count.In training, at one group of every training, changes toss direction and exist
Next group of training is carried out, and so on.
The wheel group 410 includes driving wheel 414, and driving wheel 414, which is mounted on, to be driven on shaft 413, and the drive shaft 413 is fixed
On driving shaft bottom plate, described be fixed in drive shaft bottom plate is driven on bloster 412, is driven bloster 412 and is fixed on gantry 421, bridge
The fixed drive bloster fixed plate 411 for driving bloster 412 is provided on frame 421.
The present invention, which passes through, changes the height that spring 422 is arranged, both height of the adjustment spring fixed pin shaft 425 in fixed plate
Degree, the elastic force initial position of adjustable spring, when the dynamics for needing toss and apart from it is larger when, by spring fixing pin axis 425
It moves down, so that spring 422 keeps certain elasticity, spring 422 is overall at this time is stretched, and when toss can increase the bullet of spring
Power.Certainly when in use, while passing through cylinder movement, thus it is possible to vary the height that pendulum power crankshaft group raises up changes the bullet of spring
Power reaches the dynamics for changing toss.
In the present invention, the upper end of the crankshaft positioning plate 435 is set as semicircular arc-shaped, and the adjustment hole 445 is according to semicircle
Camber is evenly distributed, and the radian between two adjustment holes 445 is at least 15 °, by the adjusting pin shaft in different adjustment holes
Installation in 445, and reached by the elastic force that support component 428 adjusts the Level Change spring 422 that pendulum power crankshaft group raises up
Change the camber line and dynamics of toss.
When specific, when adjust pin shaft be fixed on crankshaft positioning plate 435 it is innermost when, height quilt that toss arm 441 raises up
It undercuts, at this point, the radian of toss is lower under identical 422 elastic force of spring, is fixed on crankshaft positioning plate 435 when adjusting pin shaft
When outermost, at this point, the radian of toss is higher under mutually solid 422 elastic force of spring.
This, in toss, can simulate the posture of people's toss for ball training device, and position and height for toss,
It can be adjusted, specially adjusting pin shaft is installed in different adjustment holes, and adjusts pendulum power crankshaft by support component
The elastic force for the Level Change spring that component raises up reaches the camber line and dynamics for changing toss.
The present invention is moved easily by wheel group, can adjust the direction of toss at any time.
It is adjusted by above-mentioned toss camber line, height, angle and dynamics, training can be made more to meet real match
Some angles, receive height etc. training so that training effect is more preferable.
The present invention trains sportsman, and toss arm and mould in real time by changing toss camber line, height, angle
Quasi- human arm, the camber line dished out, height are adjusted at any time, so that being not likely to produce inertia when training, reach good training effect.
Technical solution disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein
Example is expounded the principle and embodiment of the embodiment of the present invention, and the explanation of above embodiments is only applicable to help to understand
The principle of the embodiment of the present invention；At the same time, for those skilled in the art is being embodied according to an embodiment of the present invention
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as to limit of the invention
System.
Claims (10)
1. it is used for football player for the training device of ball, including the guardrail of place surrounding is arranged in for trained place,
The goal of place side is set, for trained region and supplying device of ball, which is characterized in that the supplying device of ball includes bridge
Frame is arranged in the wheel group of gantry front end, is correspondingly arranged on left column and right column at left and right sides of gantry upper end, in left column and
It is provided with fixed plate between right column, uniform fixation hole is provided in the fixed plate, along two fixed plates and in same water
Spring fixing pin axis is provided between fixation hole in plane, the bottom of spring is fixed on spring fixing pin axis, solid in spring
The top of rationed marketing axis along two fixed plates and is provided with limit pin shaft between the fixation hole in same level, in spring
Rear side is provided with support component, and the bottom of the support component is arranged on gantry, and the top of the spring and support component is solid
It is scheduled on pendulum power crankshaft group, pendulum power crankshaft group is fixed on crankshaft, is fixed on right column on the right side of the crankshaft, described
The crankshaft positioning plate being arranged on left column is passed through on the left of crankshaft, and is fixed with the bottom of toss arm, on the crankshaft positioning plate
Be provided with several adjustment holes arranged in a uniform, be provided with adjusting pin shaft in the adjustment hole, described one end for adjusting pin shaft with
The limitation axis being arranged in toss arm is fixed, and the top of the toss arm is provided with toss bionic hand.
2. according to claim 1 be used for football player for the training device of ball, which is characterized in that the crankshaft is fixed
The upper end of position plate is set as semicircular arc-shaped, and the adjustment hole is evenly distributed according to semicircular arc-shaped, the radian between two adjustment holes
It at least 15 °, is installed in different adjustment holes by the adjusting pin shaft, and pendulum power crankshaft group is adjusted by support component
The elastic force for the Level Change spring that part raises up reaches the camber line and dynamics for changing toss.
3. according to claim 1 or 2 be used for football player for the training device of ball, which is characterized in that the branch
Support component includes support cylinder, the bottom of support cylinder is provided with air-source pump, the air-source pump passes through tracheae and support cylinder
Connection, the top for supporting the piston rod in cylinder are fixed with pendulum power crankshaft group.
4. according to claim 1 be used for football player for the training device of ball, which is characterized in that the pendulum power is bent
Shaft assembly includes two panels pendulum power crankshaft cheek, and one end of pendulum power crankshaft cheek is fixed with crankshaft, and the other end is provided with the first curved bar and the
The top of two curved bars, first crankshaft and spring connects, and the top of second crankshaft and piston rod connects, and described second is bent
Bar is arranged between the first curved bar and crankshaft.
5. according to claim 1 or 4 be used for football player for the training device of ball, which is characterized in that the song
The fixing end of axis and right column is provided with first rotating shaft, and crankshaft is fixed with crankshaft positioning plate by the second shaft.
6. according to claim 1 be used for football player for the training device of ball, which is characterized in that the right pillar
Top be provided with count display fixed frame, setting is provided with count display on count display fixed frame.
7. according to claim 1 be used for football player for the training device of ball, which is characterized in that on the gantry
It is provided with power supply device, and is provided with shell on the outside of gantry.
8. according to claim 1 be used for football player for the training device of ball, which is characterized in that the left column
Be provided with control device on right column, the control device electrically connects with power supply device, count display and support cylinder
It connects.
9. according to claim 1 or claim 7 be used for football player for the training device of ball, which is characterized in that the bridge
The rear end of frame is additionally provided with rear position-limited rack, is provided with two pieces on the rear position-limited rack and determines magnetic patch, and in the lower end surface of toss arm, correspondence is set
It is equipped with dynamic magnetic patch, the dynamic magnetic patch and determines magnetic patch and pass through cable to connect with power supply device and control device, when toss arm pushes
When being contacted with rear position-limited rack, moves magnetic patch and determine magnetic patch contact, after being powered by control device starting, move magnetic patch and determine magnetic patch top
The magnet of setting generates magnetic force, is pulled together so that moving magnetic patch and determining magnetic patch, after power-off, then separates.
10. according to claim 1 be used for football player for the training device of ball, which is characterized in that the wheel group
Including driving wheel, driving wheel, which is mounted on, to be driven on shaft, and the drive shaft, which is fixed on, to be driven on shaft bottom plate, described to drive shaft bottom plate
It is fixed on and drives on bloster, drive bloster and be fixed on gantry, the fixed drive bloster fixed plate for driving bloster is provided on gantry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910259443.5A CN109833618B (en) | 2019-04-02 | 2019-04-02 | Training device for supplying football player with football |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910259443.5A CN109833618B (en) | 2019-04-02 | 2019-04-02 | Training device for supplying football player with football |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109833618A true CN109833618A (en) | 2019-06-04 |
| CN109833618B CN109833618B (en) | 2023-05-12 |
Family
ID=66886678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910259443.5A Active CN109833618B (en) | 2019-04-02 | 2019-04-02 | Training device for supplying football player with football |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109833618B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US466257A (en) * | 1891-12-29 | Trap shooting device | ||
| KR100919371B1 (en) * | 2009-04-13 | 2009-09-25 | 조현은 | Arm pitching machine |
| US20100307470A1 (en) * | 2009-06-05 | 2010-12-09 | Mihaljevic Shane P | Ball projecting and training apparatus and method of use |
| US20160250536A1 (en) * | 2014-12-31 | 2016-09-01 | Thomas J. Hart | Spin Inducing Arm Pitching Machine |
| CN206240019U (en) * | 2016-11-11 | 2017-06-13 | 哈尔滨体育学院 | A kind of portable tennis ball serving device |
-
2019
- 2019-04-02 CN CN201910259443.5A patent/CN109833618B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US466257A (en) * | 1891-12-29 | Trap shooting device | ||
| KR100919371B1 (en) * | 2009-04-13 | 2009-09-25 | 조현은 | Arm pitching machine |
| US20100307470A1 (en) * | 2009-06-05 | 2010-12-09 | Mihaljevic Shane P | Ball projecting and training apparatus and method of use |
| US20160250536A1 (en) * | 2014-12-31 | 2016-09-01 | Thomas J. Hart | Spin Inducing Arm Pitching Machine |
| CN206240019U (en) * | 2016-11-11 | 2017-06-13 | 哈尔滨体育学院 | A kind of portable tennis ball serving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109833618B (en) | 2023-05-12 |
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