CN108955475A - A kind of amount arrow device - Google Patents
A kind of amount arrow device Download PDFInfo
- Publication number
- CN108955475A CN108955475A CN201810985780.8A CN201810985780A CN108955475A CN 108955475 A CN108955475 A CN 108955475A CN 201810985780 A CN201810985780 A CN 201810985780A CN 108955475 A CN108955475 A CN 108955475A
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- China
- Prior art keywords
- arrow
- locking mechanism
- sliding
- sliding slot
- bottom plate
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 90
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 35
- 241001061076 Melanonus zugmayeri Species 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 30
- 230000000694 effects Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000145637 Lepturus Species 0.000 description 3
- 241001494479 Pecora Species 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
The invention discloses a kind of amount arrow devices, including a pedestal, pedestal is equipped with sliding slot, pedestal is slidably connected a sliding block by sliding slot, sliding block is equipped with measuring mechanism, pedestal is equipped with the first baffle structure for pushing tow arrow tail end far from measuring mechanism one end, it is equipped between baffle and measuring mechanism and sets arrow frame for place arrow, arrow frame is set to be slidably connected on sliding slot, and it sets arrow frame and is equipped with the first locking mechanism for preventing from setting the sliding of arrow frame, set the second baffle structure being additionally provided between arrow frame and sliding block for the sliding of anti-limited slip block, second baffle structure is slidably connected on sliding slot, and second baffle structure is equipped with the second locking mechanism for preventing from setting the sliding of arrow frame.
Description
Technical field
The present invention relates to the accurate side amount engineering device technique field of the length of arrow more particularly to a kind of amount arrow devices.
Background technique
The performances such as length, the whole machine balancing of arrow make the important indicator for guaranteeing the accuracy of arrow；Arrow length it is accurate whether
Between be directly related to whether people will appear deviation on precision in archery；In the past, the length detection of every adder tongue herb was all
By range estimation, such detection mode precision is lower, and the accuracy of arrow length is unable to get fully ensures that people.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of structure is simple, stability is strong, and measurement accuracy is high, measurement
The amount arrow device of mode simplicity.
The present invention solves the above problems used technical solution are as follows: a kind of amount arrow device, including a pedestal, pedestal are equipped with
Sliding slot, pedestal are slidably connected a sliding block by sliding slot, and sliding block is equipped with measuring mechanism, and pedestal is equipped with far from measuring mechanism one end and uses
It in the first baffle structure of pushing tow arrow tail end, is equipped between baffle and measuring mechanism and sets arrow frame for place arrow, it is sliding to set arrow frame
It is dynamic to be connected on sliding slot, and set arrow frame and be equipped with the first locking mechanism for preventing from setting the sliding of arrow frame, it sets between arrow frame and sliding block also
Equipped with the second baffle structure slided for anti-limited slip block, second baffle structure is slidably connected on sliding slot, and second gear is hardened
Structure is equipped with the second locking mechanism for preventing from setting the sliding of arrow frame.
After using the above structure, the present invention has the advantage that with existing structure comparison
A kind of amount arrow device of the invention, the measurement function by moving dial gauge carry out length to arrow and accurately measure, advise
It has kept away tradition and has measured inexactness in arrow length by estimating, ensure that the length of every arrow is consistent with standard arrow；
First baffle structure on the tail end and pedestal of standard arrow is offseted, then by standard arrow be placed on pedestal set arrow frame after, mark
The lateral wall of quasi- arrow fits with the first groove of arrow frame upper end is set, and standard arrow is in horizontal stationary state at this time, will be on pedestal
Sliding block is slided towards arrow direction, stops sliding when the third baffle of measuring mechanism side wall offsets with arrow on sliding block, measuring machine
That the pointer on structure is directed toward is 0mm, the second baffle structure on pedestal is slided towards sliding block direction, when second baffle structure and cunning
After block side wall offsets, the second locking mechanism of second baffle structure upper surface is located at by screwing, makes the second locking mechanism clamping
In in sliding slot, second baffle structure just completes its positioning action to sliding block at this time；Standard arrow before removing, before repeating
The step of, it is set needing the arrow detected to be placed on arrow frame, again the sliding block on sliding bottom, when slider side wall and second baffle
After structure offsets, numerical value shown by pointer on measuring mechanism is checked, shown numerical value is the measurement on measuring mechanism
Arrow is compared to the length that standard arrow has more；If pointer is designated as 0mm on measuring mechanism, the horizontal sliding test can be passed through
In arrow, whether slidably see it, if slidably, i.e., the arrow length be less than standard arrow length.It can be seen that in the application
Amount arrow device wants measurement result precisely many while more efficient compared to traditional artificial purpose test method, and measurement method is more
It is convenient.
As it is a kind of preferably: measuring mechanism is a dial gauge, and measuring head one end of dial gauge side wall is equipped with and is used for and arrow
The third baffle that head offsets；Dial gauge is commonly used using the general dimensional measuring instrument of tabular form made of accurate rack and pinion mechanism
In the linear measure longimetry of Geometrical Error and thin tail sheep；In this application, applicant passes through the thin tail sheep length of dial gauge
A possibility that test characteristic improves the measurement precision of entire amount arrow device, reduces the appearance error during inspection amount.
As it is a kind of preferably: first baffle structure include an egative film and be fixedly connected vertically with egative film upper surface center the
One baffle, and egative film is locked by screw thread and sliding slot；First baffle structure by screw thread detachably install and pedestal on；Daily survey
In amount, first baffle structure is threadably secured on connection and pedestal, plays the role of pushing tow positioning measurement arrow in the detection,
The riding position of arrow tail end in measurement is unified.
As it is a kind of preferably: set arrow frame by the first bottom plate, set on the first bottom plate upper surface center the first convex block and be set to
The second protrusion that first bottom plate lower end surface is used to be clamped with sliding slot forms, and the first convex block upper end is embedded in simultaneously equipped with the lateral wall for arrow
First groove of fitting；The setting of the first groove in first convex block and the first convex block ensure that measurement arrow when measuring length not
Phenomena such as will appear sliding, also prevents phenomena such as measurement arrow is bent in measurement because of gravity, secures the pendulum of measurement arrow
Position is put, the person of being convenient to use measures measurement arrow；And the setting for being located at the second protrusion of the first bottom plate lower end surface guarantees
Sliding can be bonded with sliding slot inner sidewall by setting the second protrusion when arrow frame slides on the chute, therefore is prevented and set arrow frame on the chute
Phenomena such as being displaced when sliding ensure that the accuracy of entire measurement process.
As a kind of preferred: the first bottom plate upper surface is respectively arranged on the left side and the right side one first locking mechanism, the first locking knot
Structure vertical direction passes through the second protrusion and connects with the sliding slot locking being located under the first bottom plate, and the first locking mechanism is dismountable
Thread locking structure；When the effect of first locking mechanism is that user does not need to set the sliding of arrow frame, the first locking need to be only rotated
Structure makes the first locking mechanism lower end pass through the second protrusion and offsets with sliding slot inner sidewall, and setting arrow frame at this time can be because of the first lock
Locking structure and sliding slot offset and are difficult phenomena such as being subjected to displacement, and the first locking mechanism, which is designed as thread locking structure, can be convenient
The first locking mechanism is adjusted in user.
As a kind of preferred: second baffle structure is used for including the second bottom plate and set on the second bottom plate lower end surface and sliding slot card
The third protrusion connect；The effect of second baffle structure is positioning sliding block position, carries out standard survey to standard arrow in measuring mechanism
After amount, second baffle structure can offset with sliding block lateral wall, rotate the second locking mechanism in second baffle structure at this time
By the second archives structure fixing clamp tightly on sliding slot, when needing to detect other arrows, it need to only pass through sliding block and second baffle structure
Between cooperation sliding can to measurement arrow measure.
As a kind of preferred: the second bottom plate upper surface is respectively arranged on the left side and the right side one second locking mechanism, the second locking knot
Structure vertical direction passes through third protrusion and locks connection with the sliding slot being located under the second bottom plate, and the second locking mechanism is dismountable
Thread locking structure；When the effect of second locking mechanism is that user does not need the sliding of second baffle structure, the need to be only rotated
Two locking mechanisms make the second locking mechanism lower end pass through third protrusion and sliding slot inner sidewall and offset, and setting arrow frame at this time can be because
Second locking mechanism and sliding slot offset and are difficult phenomena such as being subjected to displacement, and the second locking mechanism is designed as thread locking structure can
With convenient for users to the second locking mechanism is adjusted.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of amount arrow device of the present invention.
Fig. 2 is the structural schematic diagram after a kind of amount arrow device removal arrow of the present invention.
Fig. 3 is a kind of side view of amount arrow device of the present invention.
In figure, 1, pedestal, 2, sliding slot, 3, arrow, 101, sliding block, 102, measuring mechanism, 103, first baffle structure, 104, set
Arrow frame, the 105, first locking mechanism, 106, second baffle structure, the 107, second locking mechanism, 1021, third baffle, 1031, bottom
Piece, 1032, first baffle, the 1041, first bottom plate, the 1042, first convex block, the 1043, second protrusion, the 1044, first groove,
1061, the second bottom plate, 1062, third protrusion.
Specific embodiment
It explains with reference to the accompanying drawing to a kind of specific embodiment of the invention.
Embodiment 1: referring to Fig. 1, Fig. 2, applicant offsets the first baffle structure on the tail end and pedestal of standard arrow, then
By standard arrow be placed on pedestal set arrow frame after, the lateral wall of standard arrow fits with the first groove of arrow frame upper end is set, at this time
Standard arrow is in horizontal stationary state, the sliding block on pedestal is slided towards arrow direction, when the of measuring mechanism side wall on sliding block
Stop sliding when three baffles and arrow offset, that the pointer on measuring mechanism is directed toward is 0mm, by the second baffle structure on pedestal
It is slided towards sliding block direction, after second baffle structure offsets with slider side wall, is located at second baffle structure upper surface by screwing
The second locking mechanism, be clamped in the second locking mechanism in sliding slot, second baffle structure just completes it to sliding block at this time
Positioning action；Standard arrow before removing, repeat before the step of, set needing the arrow that detects to be placed on arrow frame, slide again
Sliding block on dynamic pedestal checks numerical value shown by pointer on measuring mechanism after slider side wall offsets with second baffle structure,
Shown numerical value is the arrow of the measurement compared to the length that standard arrow has more on measuring mechanism；If pointer on measuring mechanism
It is designated as 0mm, whether slidably can see it by the arrow in the horizontal sliding test, if slidably, i.e. the arrow length
Less than standard arrow length.It can be seen that the amount arrow device in the application wants measurement result compared to traditional artificial purpose test method
Precisely many while more efficient, measurement method is more convenient.
Referring to Fig. 1, the present invention solves the above problems used technical solution are as follows: kind amount arrow device, including a pedestal 1, bottom
Seat 1 is equipped with sliding slot 2 and arrow 3, and pedestal 1 is slidably connected a sliding block 101 by sliding slot 2, and sliding block 101 is equipped with measuring mechanism 102,
Pedestal 1 is equipped with the first baffle structure 103 of the tail end 303 for pushing tow arrow 3 far from 102 one end of measuring mechanism, and first gear is hardened
It is equipped between structure 103 and measuring mechanism 102 and sets arrow frame 104 for place arrow 3, set arrow frame 104 and be slidably connected on sliding slot 2,
And set arrow frame 104 and be equipped with the first locking mechanism 105 for preventing from setting the sliding of arrow frame 104, it sets between arrow frame 104 and sliding block 101 also
Equipped with the second baffle structure 106 slided for anti-limited slip block 101, second baffle structure 106 is slidably connected on sliding slot 2, and
Second baffle structure 106 is equipped with the second locking mechanism 107 for preventing second baffle structure 106 from sliding.
After using the above structure, the present invention has the advantage that with existing structure comparison
A kind of amount arrow device of the invention, the measurement function by moving dial gauge carry out length to arrow and accurately measure, advise
It has kept away tradition and has measured inexactness in arrow length by estimating, ensure that the length of every arrow is consistent with standard arrow；
First baffle structure on the tail end and pedestal of standard arrow is offseted, then by standard arrow be placed on pedestal set arrow frame after, mark
The lateral wall of quasi- arrow fits with the first groove of arrow frame upper end is set, and standard arrow is in horizontal stationary state at this time, will be on pedestal
Sliding block is slided towards arrow direction, stops sliding when the third baffle of measuring mechanism side wall offsets with arrow on sliding block, measuring machine
That the pointer on structure is directed toward is 0mm, the second baffle structure on pedestal is slided towards sliding block direction, when second baffle structure and cunning
After block side wall offsets, the second locking mechanism of second baffle structure upper surface is located at by screwing, makes the second locking mechanism clamping
In in sliding slot, second baffle structure just completes its positioning action to sliding block at this time；Standard arrow before removing, before repeating
The step of, it is set needing the arrow detected to be placed on arrow frame, again the sliding block on sliding bottom, when slider side wall and second baffle
After structure offsets, numerical value shown by pointer on measuring mechanism is checked, shown numerical value is the measurement on measuring mechanism
Arrow is compared to the length that standard arrow has more；If pointer is designated as 0mm on measuring mechanism, the horizontal sliding test can be passed through
In arrow, whether slidably see it, if slidably, i.e., the arrow length be less than standard arrow length.It can be seen that in the application
Amount arrow device wants measurement result precisely many while more efficient compared to traditional artificial purpose test method, and measurement method is more
It is convenient.
As it is a kind of preferably: measuring mechanism 102 is a dial gauge, and measuring head one end of dial gauge side wall be equipped with for
The third baffle 1021 that arrow offsets；Dial gauge is to utilize the general linear measure longimetry work of tabular form made of accurate rack and pinion mechanism
Tool, is usually used in the linear measure longimetry of Geometrical Error and thin tail sheep；In this application, applicant passes through the small position of dial gauge
The measurement precision that length testing characteristic improves entire amount arrow device is moved, the possibility of the appearance error during inspection amount is reduced
Property.
As it is a kind of preferably: first baffle structure 103 include an egative film 1031 and it is vertical be fixedly connected on egative film 1031
The first baffle 1032 of end face center, and egative film 1031 is locked by screw thread and sliding slot 2；First baffle structure is removable by screw thread
It unloads on installation and pedestal；In daily measurement, first baffle structure is threadably secured on connection and pedestal, is played in the detection
The riding position of arrow tail end in measurement has been unified in the effect of pushing tow positioning measurement arrow.
As it is a kind of preferably: set arrow frame 104 by the first bottom plate 1041, set on the first of 1041 upper surface center of the first bottom plate
Convex block 1042 and the second protrusion 1043 for being used to be clamped with sliding slot 2 set on 1041 lower end surface of the first bottom plate form, the first convex block
1042 upper ends are equipped with the first groove 1044 for being embedded in and being bonded for the lateral wall of arrow 3；First in first convex block and the first convex block
The setting of groove ensure that measurement arrow phenomena such as being not in sliding when measure length, also prevent measurement arrow when measuring because
Phenomena such as gravity is bent, secures the placement position of measurement arrow, and the person of being convenient to use measures measurement arrow；And it is located at
The setting of second protrusion of the first bottom plate lower end surface ensure that set when arrow frame slides on the chute the second protrusion can on the inside of sliding slot
Wall fitting sliding, therefore prevent and set phenomena such as being displaced when arrow frame slides on the chute, it ensure that entire measurement process
Accuracy.
As it is a kind of preferably: 1041 upper surface of the first bottom plate is respectively arranged on the left side and the right side one first locking mechanism 105, first
105 vertical direction of locking mechanism passes through the second protrusion 1043 and connects with the locking of sliding slot 2 being located under the first bottom plate 1041, and first
Locking mechanism 105 is dismountable thread locking structure；The effect of first locking mechanism is that user does not need to set arrow frame cunning
When dynamic, the first locking mechanism only need to be rotated, so that the first locking mechanism lower end is passed through the second protrusion and offsets with sliding slot inner sidewall,
Phenomena such as being subjected to displacement can be difficult due to the first locking mechanism offsets with sliding slot by setting arrow frame at this time, and the first locking mechanism is designed as
Thread locking structure can be convenient user and the first locking mechanism be adjusted.
As a kind of preferred: second baffle structure 106 is including the second bottom plate 1061 and is set to 1061 lower end surface of the second bottom plate
Third protrusion 1062 for being clamped with sliding slot 2；The effect of second baffle structure is positioning sliding block position, in measuring mechanism pair
After standard arrow carries out canonical measure, second baffle structure can offset with sliding block lateral wall, rotate in second baffle structure at this time
Second locking mechanism, when needing to detect other arrows, can need to only pass through cunning by the second archives structure fixing clamp tightly on sliding slot
Cooperation sliding between block and second baffle structure can measure measurement arrow.
As it is a kind of preferably: 1061 upper surface of the second bottom plate is respectively arranged on the left side and the right side one second locking mechanism 107, second
107 vertical direction of locking mechanism passes through third protrusion 1062 and locks connection, and second with the sliding slot 2 being located under the second bottom plate 1061
Locking mechanism 107 is dismountable thread locking structure；The effect of second locking mechanism is that user does not need second baffle
When structure is slided, the second locking mechanism only need to be rotated, the second locking mechanism lower end is made to pass through third protrusion and sliding slot inner sidewall phase
It supports, phenomena such as being subjected to displacement can be difficult due to the second locking mechanism offsets with sliding slot by setting arrow frame at this time, and the second locking is tied
Structure is designed as thread locking structure and can be convenient user the second locking mechanism is adjusted.
Claims (7)
1. a kind of amount arrow device, including a pedestal (1), the pedestal (1) is equipped with sliding slot (2) and arrow (3), it is characterised in that: institute
It states pedestal (1) to be slidably connected a sliding block (101) by sliding slot (2), the sliding block (101) is equipped with measuring mechanism (102), described
Pedestal (1) is equipped with the first baffle structure (103) of the tail end (303) for pushing tow arrow (3) far from measuring mechanism (102) one end,
It is equipped between the first baffle structure (103) and measuring mechanism (102) for placing setting arrow frame (104) for arrow (3), it is described to set
Arrow frame (104) is slidably connected on sliding slot (2), and it is described set arrow frame (104) and be equipped with prevent from setting the first of arrow frame (104) sliding
Locking mechanism (105), it is described to set second be additionally provided between arrow frame (104) and sliding block (101) for anti-limited slip block (101) sliding
Baffle arrangement (106), the second baffle structure (106) is slidably connected on sliding slot (2), and the second baffle structure
(106) it is equipped with the second locking mechanism (107) for preventing second baffle structure (106) from sliding.
2. a kind of amount arrow device according to claim 1, it is characterised in that: the measuring mechanism (102) is a dial gauge, and
Measuring head one end of the dial gauge side wall is equipped with the third baffle (1021) for offseting with arrow.
3. a kind of amount arrow device according to claim 1, it is characterised in that: the first baffle structure (103) includes a bottom
It piece (1031) and is fixedly connected vertically and the first baffle (1032) at egative film (1031) upper surface center, and the egative film (1031)
It is locked by screw thread and sliding slot (2).
4. a kind of amount arrow device according to claim 1, it is characterised in that: the arrow frame (104) of setting is by the first bottom plate
(1041), set on first convex block (1042) at the first bottom plate (1041) upper surface center and under the first bottom plate (1041)
Second raised (1043) that end face is used to be clamped with sliding slot (2) form, and the first convex block (1042) upper end is equipped with for arrow (3)
The first groove (1044) that lateral wall is embedded in and is bonded.
5. a kind of amount arrow device according to claim 4, it is characterised in that: described first bottom plate (1041) upper surface or so two
Side is respectively equipped with one first locking mechanism (105), and the first locking mechanism (105) vertical direction passes through second raised (1043)
It locks and connects with the sliding slot (2) being located under the first bottom plate (1041), and first locking mechanism (105) is dismountable screw thread
Locking mechanism.
6. a kind of amount arrow device according to claim 1, it is characterised in that: the second baffle structure (106) includes second
Bottom plate (1061) and the third protrusion (1062) for being used to be clamped with sliding slot (2) set on the second bottom plate (1061) lower end surface.
7. a kind of amount arrow device according to claim 6, it is characterised in that: described second bottom plate (1061) upper surface or so two
Side is respectively equipped with one second locking mechanism (107), and the second locking mechanism (107) vertical direction passes through third protrusion (1062)
It locks and connects with the sliding slot (2) being located under the second bottom plate (1061), and second locking mechanism (107) is dismountable screw thread
Locking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985780.8A CN108955475B (en) | 2018-08-28 | 2018-08-28 | Arrow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810985780.8A CN108955475B (en) | 2018-08-28 | 2018-08-28 | Arrow measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108955475A true CN108955475A (en) | 2018-12-07 |
| CN108955475B CN108955475B (en) | 2023-12-15 |
Family
ID=64474360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810985780.8A Active CN108955475B (en) | 2018-08-28 | 2018-08-28 | Arrow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108955475B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR909955A (en) * | 1945-03-26 | 1946-05-23 | Method and device for comparative length measurement | |
| US5136909A (en) * | 1991-05-14 | 1992-08-11 | Mellick Gary D | Portable bulk arrow shaft guide, support, securement, measurement, and guided miter-like razor saw cutoff assembly |
| EP2264392A2 (en) * | 2009-06-17 | 2010-12-22 | Bernhard Mey | Arrow tester |
| CN206095149U (en) * | 2016-08-29 | 2017-04-12 | 长春工程学院 | Train wheel set size and run -out tolerance on -line measuring system |
| US20170176307A1 (en) * | 2015-12-17 | 2017-06-22 | Meik Andre Landwehr | Spine testing device as well as measuring method |
| CN208688377U (en) * | 2018-08-28 | 2019-04-02 | 宁波城市职业技术学院 | A kind of amount arrow device |
-
2018
- 2018-08-28 CN CN201810985780.8A patent/CN108955475B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR909955A (en) * | 1945-03-26 | 1946-05-23 | Method and device for comparative length measurement | |
| US5136909A (en) * | 1991-05-14 | 1992-08-11 | Mellick Gary D | Portable bulk arrow shaft guide, support, securement, measurement, and guided miter-like razor saw cutoff assembly |
| EP2264392A2 (en) * | 2009-06-17 | 2010-12-22 | Bernhard Mey | Arrow tester |
| US20170176307A1 (en) * | 2015-12-17 | 2017-06-22 | Meik Andre Landwehr | Spine testing device as well as measuring method |
| CN206095149U (en) * | 2016-08-29 | 2017-04-12 | 长春工程学院 | Train wheel set size and run -out tolerance on -line measuring system |
| CN208688377U (en) * | 2018-08-28 | 2019-04-02 | 宁波城市职业技术学院 | A kind of amount arrow device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108955475B (en) | 2023-12-15 |
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