CN102607366B - Basketball specification detecting device - Google Patents
Basketball specification detecting device Download PDFInfo
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- CN102607366B CN102607366B CN201210054668.5A CN201210054668A CN102607366B CN 102607366 B CN102607366 B CN 102607366B CN 201210054668 A CN201210054668 A CN 201210054668A CN 102607366 B CN102607366 B CN 102607366B
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- fixing chuck
- basketball
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Abstract
The invention discloses a basketball specification detecting device, comprising a detection table bracket, wherein a fine-adjusting device is arranged at the bottom of the detection table bracket; an elastic detection platform, a 120 cm standard line and a 140 cm standard line are arranged on the detection table bracket; and the elastic detection platform is provided with a perimeter detecting device, an elasticity detecting device and a weight detecting device. According to the basketball specification detecting device disclosed by the invention, the defect of lacking strictness in the conventional artificial experience measurement method is solved, the weight detecting device, a diameter measuring (the perimeter detecting) device and the elasticity detecting device are combined integrally, so that a special basketball specification detecting device is formed; the basketball specification detecting device aims at detecting the specification of a basketball scientifically, strictly, comprehensively, conveniently and quickly, and clearly judging whether the detected basketball meets requirements of Basketball Rule issued by an international basketball federation, thereby more scientifically and strictly providing a guarantee for basketball competitions and trainings.
Description
Technical field
The present invention relates to a kind of sports apparatus pick-up unit, especially a kind of basketball specification pick-up unit.
Background technology
In " basketball rules " that International Basketball Association promulgates, the basketball specification of match use explicitly called for, that is: the circumference of basketball must not be less than 0.749 meter (74.9 centimetres), must not be greater than 0.780 meter (78 centimetres); Weight must not be less than 567 grams, must not be more than 650 grams; After basketball inflation, ball is fallen the ground in court from the height (measuring from the bottom of ball) of 1.80 meters, the height that bounce-back is got up must not be lower than 1.20 meters, also must not be higher than 1.40 meters (measuring from the top of ball).
At present, what the big event pre-games was used the elastomeric check of basketball both at home and abroad is the artificial experience method, that is: testing staff's holding stands on basketball court, according to self experience, with hand, basketball is placed in to the approximately height of 1.80 meters, then ask the player to withdraw rapidly, ball is freely fallen, whether bounce-back is got up again meets the requirements and makes guestimate this ball elasticity according to self body part corresponding height, as for girth, weight, need by rule, meausring apparatus, to measure in addition, although the method is feasible, shortcoming is to lack enough science and preciseness.
Through retrieval, about the pick-up unit of basketball specification, have no demonstration.
Summary of the invention
The objective of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of basketball specification pick-up unit is provided, this device overcomes the drawback that traditional " artificial experience mensuration " lacks preciseness, weight measurement, diameter measurement (girth detection), elastomeric check device are integrated, convenient and swift.For Basketball Match and training provide scientific basis.
For achieving the above object, the present invention adopts following technical proposals:
A kind of basketball specification pick-up unit, comprise the monitor station support, described monitor station frame bottom is provided with micromatic setting, the monitor station support is provided with elastomeric check platform, 120 centimetres of standard liness and 140 centimetres of standard liness, and described elastomeric check platform is provided with girth pick-up unit, elastomeric check device and Weight detecting device.
Described micromatic setting is the horizontal alignment screw that is arranged at the monitor station frame bottom.
On the table top of described elastomeric check platform, edge is 180 centimetres apart from floor level.
Described girth pick-up unit comprises two the first fixing chuck plates that vertically are fixed on the elastomeric check platform and are parallel to each other and the second fixing chuck plate, is provided with an and vernier clamp that can move left and right parallel with aforementioned two fixing chuck plates between described the first fixing chuck plate and the second fixing chuck plate; Described the first fixing chuck plate is fixed with respectively fixedly rule of a vernier caliper parallel with the elastomeric check platform with the second fixing chuck plate rear and front end, the vernier clamp is provided with and is enclosed within the fixedly vernier on rule of vernier caliper, vernier is provided with and is fastened to the fixedly trip bolt on rule of vernier caliper, and the vernier clamp is provided with the vernier clamp push-pull handle through the first fixing chuck plate.
Size and the shape of described the first fixing chuck plate and the second fixing chuck plate are identical.
The described vernier caliper fixedly two ends of rule is individually fixed on the first fixing chuck plate and the second fixing chuck plate, and all vertical with described two fixing chuck plates.
Described vernier caliper fixedly rule is steel ruler, and this steel ruler is also the sliding rail of vernier clamp.
Described vernier caliper fixedly " 0 " scale mark of rule flushes with the interior edge of the second fixing chuck plate; The interior edge of vernier clamp flushes with the vernier graduation read line on vernier caliper.
The fixedly rule of described vernier caliper is marked with between qualified scale area.
When vernier clamp and the first fixing chuck plate are close to, the distance between the interior edge of the second fixing chuck plate and the interior edge of vernier clamp is greater than 25 centimetres.
Described elastomeric check device is included in the circular small opening that the inside diameter that arranges between the first fixing chuck plate and the second fixing chuck plate on the elastomeric check platform is greater than 25 centimetres; Be respectively equipped with vertical equity instrument and lateral level on vertical side of elastomeric check platform and transverse side.
Described Weight detecting device is the electronic scale that is arranged at elastomeric check platform one side, and described electronic scale is provided with annular pad and display screen.
The present invention can realize following detection:
1, diameter measurement (girth detection): utilize the vernier measurement mechanism to record the diameter of tested ball, by the tested ball girth of the corresponding qualified scale interval judgement of rule, whether meet rule request.
Operation steps is as follows:
(1) unscrew the vernier caliper trip bolt on the vernier caliper of both sides, the vernier clamp can be slided under external force smoothly;
(2) pull out vernier clamp push-pull handle, vernier clamp and fixing chuck plate are pressed close to mutually, make the reading of vernier caliper be greater than 25 centimetres;
(3) tested ball is lifted between vernier clamp and the second fixing chuck plate;
(4) inwardly slowly promote vernier clamp push-pull handle, tested ball (is guaranteed to elastic deformation does not occur detected ball) gently and be clipped between vernier clamp and the second fixing chuck plate;
(5) screw the vernier caliper trip bolt on the vernier caliper of both sides;
(6) from the rule of both sides vernier caliper, partly observe, see that vernier graduation is whether between qualified scale area in.
(7) the detected ball of turn, repeat above six steps, its different parts diameter carried out to two to three times and measure, repeatedly observation.
(8) whether the girth of detected ball being met to rule request and make science judgment, is the qualified ball of using between the qualified scale area of reading on the rule part of vernier caliper.Otherwise be the defective ball of using: if vernier graduation is less than 23.84 centimetres, girth is less than 74.9 centimetres; If be greater than 24.83 centimetres, girth is greater than 78 centimetres.
2, elastomeric check: utilizing is highly the platform of 180 centimetres, makes that ball is own to be fallen, and after the rear bounce-back of landing is got up, utilization is highly that two standard liness of 140 centimetres and 120 centimetres judge whether tested ball elasticity meets rule request.
Operation steps is as follows:
(1) repeatedly finely tune the horizontal alignment screw of four monitor station support below ends, observe the change in location of the built-in observation bubble of level meter of vertical equity instrument and lateral level, fine setting repeatedly, until two bubbles middle in the level meter scale all, thereby realize that elastomeric check platform and 140 centimetres of standard liness and 120 centimetres of standard liness are in horizontality;
(2) fully unscrew the vernier caliper trip bolt on the vernier caliper of both sides, the vernier clamp can easily be slided under external force;
(3) pull out vernier clamp push-pull handle, vernier clamp and fixing chuck plate are pressed close to mutually, make the reading of vernier caliper be greater than 25 centimetres;
(4) tested ball is put between vernier clamp and the second fixing chuck plate, and made its bottom flush (thereby the bottom that guarantees the tested ball of free-falling initial instant is 180 centimetres apart from floor level) with the upper edge of elastomeric check platform;
(5) inwardly promote vernier clamp push-pull handle, by being pressed between vernier calliper plate and the second fixing chuck plate, make tested ball in relative static conditions in tested ball;
(6) outwards pull gently vernier clamp push-pull handle, drive the vernier clamp gradually away from the second fixing chuck plate, when the spacing of vernier clamp and the second fixing chuck plate is greater than the diameter of tested ball, the free-falling of tested club;
(7) rapidly sight line is moved between 140 centimetres of standard liness and 120 centimetres of standard liness; Observe tested ball free-falling land the height that rear first bounce rises, observe its top whether between these two standard liness;
(8) above seven steps are carried out two to three times repeatedly, whether the elasticity that is detected ball is met to rule request and make science judgment, after the basketball inflation, ball is fallen the ground in court from the height (measuring from the bottom of ball) of 1.80 meters, the height that bounce-back is got up must not be lower than 1.20 meters, also must not be higher than 1.40 meters (measuring from the top of ball).
3, weight detecting: utilize subsidiary weighing scale device to carry out weighing to detecting ball weight, judge whether its weight meets rule request.
Concrete operation step is as follows:
At first, electronic scale annular pad is placed on effective weighing table top of electronic scale, adjusts electronic scale, make the weight display screen be shown as zero (peeling is processed).
Then ball is placed in the annular pad on electronic scale and (prevents that tested ball from rolling), make ball in metastable state.
Whether the last definite weight that observes detected ball on electronic scale weight display screen (weight show be accurate to " 0.1 gram "), meet rule request to the weight of tested ball and make science judgment, and weight must not be less than 567 grams, must not be more than 650 grams.
The invention has the beneficial effects as follows, compared with prior art, the present invention has overcome the drawback that traditional " artificial experience mensuration " lacks preciseness, weight measurement, diameter measurement (girth detection), elastomeric check device are integrated, form basketball specification special detection device, its purpose is to realize science, rigorous, comprehensively, quickly and easily the basketball specification is detected, clearly whether the detected ball of judgement meets " basketball rules " requirement that International Basketball Association promulgates, thereby is Basketball Match and more scientific, rigorous being provided safeguard of training.
The accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is local enlarged diagram of the present invention;
Fig. 4 is vertical view of the present invention;
In figure: 1, vernier clamp; 2, the first fixing chuck plate; 3, vernier caliper; 4, vernier clamp push-pull handle; 5, elastomeric check platform; 6, vertical equity instrument; 7, lateral level; 8,140 centimetres of standard liness; 9,120 centimetres of standard liness; 10, monitor station support; 11, horizontal alignment screw; 12, the second fixing chuck plate; 13, tested basketball; 14, fixing rule; 15, circular small opening; 16, electronic scale; 17, between qualified scale area; 18, trip bolt; 19, the built-in observation bubble of level meter; 20 level meter scales; 21, weight display screen; 22, electronic scale annular pad.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Girth detects:
As shown in Fig. 1 (one-piece construction schematic diagram of the present invention): designed vernier clamp 1, the first fixing chuck plate 2 and 12 3 risers of the second fixing chuck plate on elastomeric check platform 5 table tops, these three risers are vertical with elastomeric check platform 5 table tops;
As shown in Fig. 4 (vertical view of the present invention): vernier clamp 1 of the present invention, the first fixing chuck plate 2 and the second fixing chuck plate 12 both sides are designed with respectively two vernier calipers 3, its fixedly rule 14 be steel ruler, be simultaneously also the sliding rail of vernier clamp 1.
As shown in Fig. 4 (vertical view of the present invention) and Fig. 3 (local enlarged diagram of the present invention): vernier clamp 1 of the present invention is that an interlock is whole with the vernier three that the vernier clamp pushes away on handle 4 and vernier caliper 3.And two horizontal push-pull handles of vernier clamp push-pull handle 4 can be through the random pull of plate body of the first fixing chuck plate 2, push-and-pull vernier clamp 1 slides, thereby realize: under the External Force Acting that inwardly promotes or pull out at vernier clamp push-pull handle 4, the vernier synchronous slide on vernier clamp 1 and vernier caliper 3.Wherein because the degree of accuracy demand is higher, so " pull bar passes through groove " on " pull bar " of two horizontal push-pull handles of vernier clamp push-pull handle 4 and the first fixing chuck plate 2 must be accurate.
As shown in Fig. 2 (side view of the present invention): the rule part 14 on vernier caliper 3 is horizontally fixed between the first fixing chuck plate 2 and the second fixing chuck plate 12, with elastomeric check platform 5, keeps relative level.
As shown in Fig. 3 (local enlarged diagram of the present invention): vernier caliper fixedly " 0 " scale mark of rule 14 (its scale is accurate to 0.01 centimetre) definitely flushes with the interior edge of the second fixing chuck plate 12; The interior edge of vernier clamp 1 definitely flushes with the vernier graduation read line on vernier caliper 3.
As shown in Fig. 3 (local enlarged diagram of the present invention): be marked with between qualified scale area 17 at the fixedly rule 14 of vernier caliper 3, its interval value is between 23.84 centimetres to 24.83 centimetres.Rule request: the circumference of basketball must not be less than 0.749 meter (74.9 centimetres, diameter is 23.84 centimetres), must not be greater than 0.780 meter (78 centimetres, diameter is 24.83 centimetres).
As shown in Fig. 3 (local enlarged diagram of the present invention): when pulling out vernier clamp push-pull handle 4 vernier clamp 1 and the first fixing chuck plate 2 are close to, distance between the interior edge (being vernier caliper 3 vernier graduation read lines) of the interior edge of the second fixing chuck plate 12 (being fixedly " 0 " scale of rule 14 of vernier caliper) and vernier clamp 1 is greater than 25 centimetres, so that detected basketball 13 can smooth and easyly be put into this surveyed area.
When whether the girth that detects tested ball 13 meets rule request, operation steps is as follows:
(1) unscrew the vernier caliper trip bolt 18 on both sides vernier caliper 3, vernier clamp 1 can be slided under external force smoothly;
(2) pull out vernier clamp push-pull handle 4, vernier clamp 1 and fixing chuck plate 2 are pressed close to mutually, make the reading of vernier caliper 3 be greater than 25 centimetres;
(3) tested ball 13 is lifted between vernier clamp 1 and the second fixing chuck plate 12;
(4) inwardly slowly promote vernier clamp push-pull handle 4, tested ball 13 (is guaranteed to elastic deformation does not occur detected ball 13) gently and be clipped between vernier clamp 1 and the second fixing chuck plate 12;
(5) screw the vernier caliper trip bolt 18 on both sides vernier caliper 3;
(6), from rule part 14 observation of both sides vernier caliper 3, see that vernier graduation is whether between qualified scale area in 17.
(7) the detected ball 13 of turn, repeat above six steps, its different parts diameter carried out to two to three times and measure, repeatedly observation.
(8) whether the girth of detected ball being met to rule request and make science judgment, is the qualified ball of using in 17 between the qualified scale area of reading on the rule part 14 of vernier caliper 3.Otherwise be the defective ball of using: if vernier graduation is less than 23.84 centimetres, girth is less than 74.9 centimetres; If be greater than 24.83 centimetres, girth is greater than 78 centimetres.
Elastomeric check:
As shown in Fig. 1 (one-piece construction schematic diagram of the present invention): the vertical lateral layout at elastomeric check platform 5 has vertical equity instrument 6; Transverse side is designed with lateral level 7.
As shown in Fig. 1 (one-piece construction schematic diagram of the present invention): be positioned at flexibility test platform 5 middle parts and be designed with circular small opening 15, its inside diameter is greater than 25 centimetres (to guarantee can smooth and easyly passing through this small opening when tested ball 13 free-falling).
As shown in Fig. 1 (one-piece construction schematic diagram of the present invention) and Fig. 3 (local enlarged diagram of the present invention): be designed with respectively the built-in observation bubble 19 of built-in level meter and level meter scale 20 on vertical equity instrument 6 and lateral level 7;
As shown in Fig. 2 (side view of the present invention):
(1) mesa designs of elastomeric check platform 5 is abswolute level, on it along apart from ground 180 centimetres;
140 centimetres far from ground, the upper edge of (2) 140 centimetres of standard liness 8;
120 centimetres far from ground, the lower edge of (3) 120 centimetres of standard liness 9;
(4) elastomeric check platform 5 and 140 centimetres of standard liness 8 and 120 centimetres of standard liness 9 are designed to keep being parallel to each other;
(5) below four monitor station supports 10, end is designed with respectively horizontal alignment screw 11.
It is as follows whether the elasticity of utilizing the present invention to detect detected ball 13 meets rule request practical operation step:
(1) repeatedly finely tune the horizontal alignment screw 11 of four monitor station supports, 10 below ends, observe the change in location of the built-in observation bubble 19 of level meter of vertical equity instrument 6 and lateral level 7, fine setting repeatedly, until two bubbles middle in level meter scale 20 all, thereby realize that elastomeric check platform 5 and 140 centimetres of standard liness 8 and 120 centimetres of standard liness 9 are in horizontality;
(2) fully unscrew the vernier caliper trip bolt 18 on both sides vernier caliper 3, vernier clamp 1 can easily be slided under external force;
(3) pull out vernier clamp push-pull handle 4, vernier clamp 1 and fixing chuck plate 2 are pressed close to mutually, make the reading of vernier caliper 3 be greater than 25 centimetres;
(4) tested ball 13 is put between vernier clamp 1 and the second fixing chuck plate 12, and made its bottom flush (thereby the bottom that guarantees the tested ball 13 of free-falling initial instant is 180 centimetres apart from floor level) with the upper edge of elastomeric check platform 5;
(5) inwardly promote vernier clamp push-pull handle 4, by being pressed between vernier calliper plate 1 and the second fixing chuck plate 12, make tested ball 13 in relative static conditions in tested ball 13;
(6) outwards pull gently vernier clamp push-pull handle 4, drive vernier clamp 1 gradually away from the second fixing chuck plate 12, when the spacing of vernier clamp 1 and the second fixing chuck plate 12 is greater than the diameter of tested ball 13, tested ball 13 meeting free-fallings;
(7) rapidly sight line is moved between 140 centimetres of standard liness 8 and 120 centimetres of standard liness 9; Observe tested ball 13 free-fallings land the height that rear first bounce rises, observe its top whether between these two standard liness;
(8) above seven steps are carried out two to three times repeatedly, whether the elasticity that is detected ball 13 is met to rule request and make science judgment, after the basketball inflation, ball is fallen the ground in court from the height (measuring from the bottom of ball) of 1.80 meters, the height that bounce-back is got up must not be lower than 1.20 meters, also must not be higher than 1.40 meters (measuring from the top of ball).
Weight detecting: utilize the weight of the subsidiary 16 pairs of tested basketballs 13 of electronic scale of the present invention to be detected, thereby whether the weight of judging tested ball 13 meets rule request.
Concrete operation step is as follows:
At first, electronic scale annular pad 22 is placed on effective weighing table top of electronic scale 16, adjusts electronic scale 16, make weight display screen 21 be shown as zero (peeling is processed).
Then ball is placed in the annular pad 22 on electronic scale 16 and (prevents that tested ball 13 from rolling), make ball in metastable state.
The last definite weight (the weight demonstration is accurate to " 0.1 gram ") that observes detected ball 13 on electronic scale weight display screen 21, whether the weight of tested ball 13 is met to rule request and make science judgment, weight must not be less than 567 grams, must not be more than 650 grams.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (8)
1. a basketball specification pick-up unit, it is characterized in that, comprise the monitor station support, described monitor station frame bottom is provided with micromatic setting, the monitor station support is provided with elastomeric check platform, 120 centimetres of standard liness and 140 centimetres of standard liness, and described elastomeric check platform is provided with girth pick-up unit, elastomeric check device and Weight detecting device;
Described micromatic setting is the horizontal alignment screw that is arranged at the monitor station frame bottom;
Described elastomeric check device is included in the circular small opening that the inside diameter that arranges between the first fixing chuck plate and the second fixing chuck plate on the elastomeric check platform is greater than 25 centimetres;
Described girth pick-up unit comprises two the first fixing chuck plates that vertically are fixed on the elastomeric check platform and are parallel to each other and the second fixing chuck plate, is provided with an and vernier clamp that can move left and right parallel with aforementioned two fixing chuck plates between described the first fixing chuck plate and the second fixing chuck plate; Described the first fixing chuck plate is fixed with respectively fixedly rule of a vernier caliper parallel with the elastomeric check platform with the second fixing chuck plate rear and front end, the vernier clamp is provided with and is enclosed within the fixedly vernier on rule of vernier caliper, vernier is provided with and is fastened to the fixedly trip bolt on rule of vernier caliper, and the vernier clamp is provided with the vernier clamp push-pull handle through the first fixing chuck plate.
2. basketball specification pick-up unit as claimed in claim 1, is characterized in that, on the table top of described elastomeric check platform, edge is 180 centimetres apart from floor level.
3. basketball specification pick-up unit as claimed in claim 1, is characterized in that, size and the shape of described the first fixing chuck plate and the second fixing chuck plate are identical; The described vernier caliper fixedly two ends of rule is individually fixed on the first fixing chuck plate and the second fixing chuck plate, and all vertical with described two fixing chuck plates.
4. basketball specification pick-up unit as claimed in claim 3, is characterized in that, described vernier caliper fixedly rule is steel ruler, and this steel ruler is also the sliding rail of vernier clamp; Described vernier caliper fixedly " 0 " scale mark of rule flushes with the interior edge of the second fixing chuck plate; The interior edge of vernier clamp flushes with the vernier graduation read line on vernier caliper.
5. basketball specification pick-up unit as claimed in claim 4, is characterized in that, described vernier caliper fixedly rule is marked with between qualified scale area.
6. basketball specification pick-up unit as claimed in claim 1, is characterized in that, when vernier clamp and the first fixing chuck plate are close to, the distance between the interior edge of the second fixing chuck plate and the interior edge of vernier clamp is greater than 25 centimetres.
7. basketball specification pick-up unit as claimed in claim 1, is characterized in that, described elastomeric check device is included in the circular small opening that the inside diameter that arranges between the first fixing chuck plate and the second fixing chuck plate on the elastomeric check platform is greater than 25 centimetres; Be respectively equipped with vertical equity instrument and lateral level on vertical side of elastomeric check platform and transverse side.
8. basketball specification pick-up unit as claimed in claim 1, is characterized in that, described Weight detecting device is the electronic scales that is arranged at elastomeric check platform one side, and described electronic scales is provided with annular pad and display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054668.5A CN102607366B (en) | 2012-03-05 | 2012-03-05 | Basketball specification detecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210054668.5A CN102607366B (en) | 2012-03-05 | 2012-03-05 | Basketball specification detecting device |
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| CN102607366A CN102607366A (en) | 2012-07-25 |
| CN102607366B true CN102607366B (en) | 2014-01-08 |
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| CN201210054668.5A Expired - Fee Related CN102607366B (en) | 2012-03-05 | 2012-03-05 | Basketball specification detecting device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486940B (en) * | 2013-10-10 | 2016-05-04 | 山东师范大学 | Tennis specification checkout gear |
| CN104748798B (en) * | 2015-04-15 | 2017-10-03 | 山东师范大学 | Table tennis specification detecting instrument |
| CN106767253A (en) * | 2016-12-25 | 2017-05-31 | 重庆太乙机械有限公司 | Motor car pull bar automatic detection tool |
| CN108981543B (en) * | 2018-07-25 | 2020-10-09 | 重庆智菱油墨科技有限公司 | Accurate caliber of No. five football diameters |
| CN110788023B (en) * | 2019-10-31 | 2021-12-17 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Intelligent detection equipment for specification of spherical product |
| CN112090781A (en) * | 2020-08-13 | 2020-12-18 | 安徽省羽乐体育用品有限公司 | Elastic screening device for badminton head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87202858U (en) * | 1987-03-09 | 1988-02-17 | 天津大学 | Spherometor for football, basketball and volleyball |
| CN2055590U (en) * | 1989-04-12 | 1990-04-04 | 北京市革制品厂 | Auto-check device for games ball |
| CN201132451Y (en) * | 2007-12-27 | 2008-10-15 | 高雪晴 | Novel measuring rule |
| CN202470957U (en) * | 2012-03-05 | 2012-10-03 | 山东师范大学 | Basketball standard detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09257627A (en) * | 1996-03-22 | 1997-10-03 | M Ii C:Kk | Ball-inspecting apparatus |
-
2012
- 2012-03-05 CN CN201210054668.5A patent/CN102607366B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87202858U (en) * | 1987-03-09 | 1988-02-17 | 天津大学 | Spherometor for football, basketball and volleyball |
| CN2055590U (en) * | 1989-04-12 | 1990-04-04 | 北京市革制品厂 | Auto-check device for games ball |
| CN201132451Y (en) * | 2007-12-27 | 2008-10-15 | 高雪晴 | Novel measuring rule |
| CN202470957U (en) * | 2012-03-05 | 2012-10-03 | 山东师范大学 | Basketball standard detection device |
Non-Patent Citations (1)
| Title |
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| JP特开平9-257627A 1997.10.03 |
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