CN107997316A - A kind of the balance utensil and its measuring method of jewelry manufacture - Google Patents
A kind of the balance utensil and its measuring method of jewelry manufacture Download PDFInfo
- Publication number
- CN107997316A CN107997316A CN201810062815.0A CN201810062815A CN107997316A CN 107997316 A CN107997316 A CN 107997316A CN 201810062815 A CN201810062815 A CN 201810062815A CN 107997316 A CN107997316 A CN 107997316A
- Authority
- CN
- China
- Prior art keywords
- support bar
- jewelry
- balancing pole
- balance
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 13
- 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 24
- 238000005452 bending Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010437 gem Substances 0.000 description 4
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 229910001751 gemstone Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Adornments (AREA)
Abstract
The present invention relates to the balance utensil and its measuring method of a kind of manufacture of jewelry.A kind of balance utensil of jewelry manufacture, including pedestal, the first support bar and second support bar hinged with pedestal；First support bar is oppositely arranged with second support bar, and bottom is hinged with pedestal；Adjusting part is equipped between first support bar and second support bar, to adjust the angle between first support bar and second support bar；First support bar upper end is equipped with the first balancing pole, and second support bar position corresponding with the first balancing pole is equipped with the second balancing pole.Jewelry is being positioned between the first balancing pole and the second balancing pole by the present invention, and then adjusts the equilibrium state of jewelry.The configuration of the present invention is simple, easy to operate, it is accurate to adjust the Pingdu degree of jewelry, facilitates the installation of jewelry, can also improve the production efficiency of jewelry.
Description
Technical field
The present invention relates to jewelry equipment, more specifically refers to a kind of the balance utensil and its measuring method of jewelry manufacture.
Background technology
The jewels such as the diamond due to jewellery cannot be too big, but in order to protrude the appreciative value of the jewels such as diamond, usually can
Jewel is designed to the form of rocking, forms reflection light, increases flicker degree, is felt so that jewel has to exist.
So in jewelry manufacturing industry, manufacture instrument can affect the efficiency of production, the jewelry manufacture particularly rocked.By
It is more stringent to degree of balance requirement in rocking jewelry, if slightly deviation will influence the flexibility rocked.Therefore, consideration one is obtained
The convenient instrument for adjusting the jewelry degree of balance of kind.
The content of the invention
The defects of it is an object of the invention to overcome the prior art, there is provided a kind of balance utensil of jewelry manufacture and its measurement
Method.
To achieve the above object, the present invention uses following technical scheme：
A kind of balance utensil of jewelry manufacture, including pedestal, the first support bar and second support bar hinged with pedestal；Institute
State first support bar to be oppositely arranged with second support bar, and bottom is hinged with pedestal；The first support bar and second support bar
Between be equipped with adjusting part, to adjust the angle between first support bar and second support bar；The first support bar upper end is set
There is the first balancing pole, and second support bar position corresponding with the first balancing pole is equipped with the second balancing pole.
Its further technical solution is：The adjusting part includes the adjusting through first support bar and second support bar
Bar, is fixed on adjusting rod and the rotating wheel between first support bar and second support bar；The first support bar and second
Supporting rod is equipped with the through hole through adjusting rod；The adjusting rod is equipped with locking on the outside of first support bar and second support bar
Block.
Its further technical solution is：Between first balancing pole and first support bar, second balancing pole and
Latch assembly is equipped between two supporting rods；Latch assembly is used to the first balancing pole being fixed on first support bar, the second balance
Bar is fixed on second support bar.
Its further technical solution is：The latch assembly includes what is be actively coupled with first support bar or second support bar
Fixed link, and thread connection is in fixed link and the locking nut on the outside of first support bar or second support bar；The fixation
Bar, which extends to one end between first support bar and second support bar and is equipped with, to be used to install the first balancing pole or the second balancing pole
Mounting hole.
Its further technical solution is：The latch assembly includes being fixed on the installation of first support bar or second support bar
Block, annular are equidistantly arranged on several grippers of mounting blocks；Wherein, formed with the balance of receiving first between several described grippers
The lock chamber of bar or the second balancing pole；The gripper periphery is equipped with the adjusting nut for being used for adjusting lock chamber size.
Its further technical solution is：It is wedge structure that the gripper is axial along lock chamber, so that between several annulars wait
Gripper away from arrangement surrounds bullet；The bullet periphery is equipped with the screw thread of adjusting nut connection, so that rotating adjusting nut
Control the size of lock chamber.
Its further technical solution is：The pedestal is equipped with angular adjustment component；The first support bar and the second support
Bar is articulated with the angular adjustment component；Put with first support bar or second support bar in the adjusting direction of the angular adjustment component
Dynamic direction is vertical.
Its further technical solution is：The angular adjustment component includes being fixed on the first arc block of pedestal, and with the
One arc block rotates the second arc block of connection；The first support bar is arranged on the second arc block with second support bar；Described
Fixing nut is equipped between one arc block and the second arc block.
Its further technical solution is：The first support bar is equipped with level meter with second support bar.
A kind of measuring method of equalizing measuring implement, first support bar is adjusted to horizontality with second support bar, and is consolidated
It is fixed；The symmetrical line before and after the mark of the side of jewelry to be measured；The jewelry of balance to be measured is hung on into the first balancing pole and second
Between balancing pole, the then jewelry symmetric case from side：The first, if the rear side of jewelry is laid particular stress on, then by jewelry both sides
Hanger bar is to front side bending, until jewelry balances；If the 2, laid particular stress on front side of jewelry, according to the line of mark with setting pedestal court
On light-irradiating lamp light contrast, counterweight is fixed on to the back lower place of jewelry, then again puts the jewelry for adding counterweight to the
Detect between one balancing pole and the second balancing pole, if laid particular stress on front side of jewelry, adjusted according to a method again；If front side is inclined
Weight, adjusts further according to two method；Until the line of mark and the light ray parallel of light-irradiating lamp.
Compared with the prior art, the invention has the advantages that：Jewelry is being positioned over the first balancing pole and second by the present invention
Between balancing pole, and then adjust the equilibrium state of jewelry.The configuration of the present invention is simple, easy to operate, the Pingdu degree for adjusting jewelry is accurate
Really, facilitate the installation of jewelry, the production efficiency of jewelry can also be improved.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is a kind of front view of the balance utensil of jewelry manufacture of the present invention；
Fig. 2 is a kind of front view with angular adjustment component of the balance utensil of jewelry manufacture of the present invention；
Fig. 3 is a kind of side view of the balance utensil of jewelry manufacture of the present invention；
Fig. 4 is a kind of latch assembly enlarged drawing of the balance utensil of jewelry manufacture of the present invention；
Fig. 5 is a kind of sectional view of the latch assembly of the balance utensil of jewelry manufacture of the present invention.
Embodiment
In order to more fully understand the present invention technology contents, with reference to specific embodiment to technical scheme into
One step introduction and explanation, but not limited to this.
Such as the drawing that Fig. 1 to Fig. 5 is the embodiment of the present invention.
A kind of jewelry manufacture balance utensil, as shown in Figure 1 to Figure 3, including pedestal 30, first support hinged with pedestal 30
Bar 31 and second support bar 32.First support bar 31 is oppositely arranged with second support bar 32, and bottom and pedestal 30 are hinged, so that
First support bar 31 can be moved relatively or contrarily with second support bar 32, and then adjust distance therebetween.First support bar
31 and second support bar 32 be bordering on middle part between be equipped with adjusting part 35, with adjust first support bar 31 and second support bar 32 it
Between angle.31 upper end of first support bar is equipped with the first balancing pole 33, and second support bar 32 is corresponding with the first balancing pole 33
Position is equipped with the second balancing pole 34.First balancing pole 33 and the second balancing pole 34 are used to hang jewelry piece to be measured.
Adjusting part 35 includes the adjusting rod 351 with second support bar 32 through first support bar 31, is fixed on adjusting rod
351 and the rotating wheel 352 between first support bar 31 and second support bar 32.First support bar 31 and second support bar 32
It is equipped with the through hole through adjusting rod 351.Adjusting rod 351 is equipped with latch segment in first support bar 31 and the outside of second support bar 32
353.Wherein, rotating wheel 352 is fixed on adjusting rod 351, and latch segment 353 is the nut with 351 thread connection of adjusting rod.Rotation
Modulation pole 351, and fixed locking block 35 is with regard to that can adjust distance between first support bar 31 and second support bar 32.
It is all provided between first balancing pole 33 and first support bar 31, between second balancing pole 34 and second support bar 32
There is latch assembly 36.Latch assembly 36 by the first balancing pole 33 for being fixed on first support bar 31, the second balancing pole 34 is fixed
In second support bar 32, and the first balancing pole 33 and second support bar 32, the second balancing pole 34 and second can also be adjusted
Relative position between strut 32.
Latch assembly 36 includes the fixed link 361 being actively coupled with first support bar 31 or second support bar 32, and screw thread
It is connected in fixed link 361 and positioned at the locking nut 362 in first support bar 31 or the outside of second support bar 32.Fixed link 361 is prolonged
Extend one end between first support bar 31 and second support bar 32 and be equipped with and be used to the first balancing pole 33 or the second balancing pole are installed
34 mounting hole 363.Fixed link 361 can will can be set mounting hole 363 remote or close to first by rotating locking nut 362
Strut 31 or second support bar 32, so that the first balancing pole 33 or the second balancing pole 34 unclamp or are fixed on mounting hole 363, that is, lock
When tight, the mounting hole 363 of fixed link 361 is moved towards first support bar 31 or second support bar 32, and fixed link 361 is compressed；
During release, the mounting hole 363 of fixed link 361 is moved backwards to first support bar 31 or second support bar 32, and fixed link 361 is unclamped.
In other embodiment, as shown in Fig. 4 to Fig. 5, latch assembly 36 includes being fixed on first support bar 31 or the second
The mounting blocks 364 of supporting rod 32, annular are equidistantly arranged on several grippers 365 of mounting blocks 364；Wherein, grabbed described in several
Formed with the lock chamber for accommodating the first balancing pole 33 or the second balancing pole 34 between pawl 365.365 periphery of gripper, which is equipped with, to be used to adjust
The adjusting nut 366 of lock chamber size.Lock chamber can be increased or reduced by rotating adjusting nut 366, with fixed or release first
33 or second balancing pole 34 of balancing pole.The latch assembly 36 of the present embodiment is convenient to adjust the first balancing pole 33 or the second balancing pole
34。
It is wedge structure that gripper 365 is axial along lock chamber, so that the gripper 365 that several annulars are equally spaced surrounds cone
Body.Bullet periphery is equipped with the screw thread that adjusting nut 366 couples, so that rotating adjusting nut 366 controls the size of lock chamber.
In other embodiment, pedestal 30 is equipped with angular adjustment component 37.First support bar 31 is cut with scissors with second support bar 32
It is connected to the angular adjustment component 37.Put with first support bar 31 or second support bar 32 in the adjusting direction of angular adjustment component 37
Dynamic direction is vertical.The direction swung due to the direction that angular adjustment component 37 is adjusted with first support bar 31 or second support bar 32
Vertically, so that first support bar 31 or second support bar 32 can adjust its relative position in a plurality of directions.
Specifically, angular adjustment component 37 includes being fixed on the first arc block 371 of pedestal 30, and with the first arc block
371 rotate the second arc block 372 of connection.First support bar 31 is arranged on the second arc block 372 with second support bar 32.First arc
Fixing nut 373 is equipped between 371 and second arc block 372 of shape block, after position regulates, the nut 373 that is locked is with by
One arc block 371 is fixed with the second arc block 372.
Preferably, intermeshing rack is equipped between the first arc block 371 and the second arc block 372, it is convenient to adjust two
Relative position between person, at the same adjust it is fixed after, the position of the first arc block 371 and the second arc block 372 is relatively stable.
First support bar 31 is equipped with level meter with second support bar 32, easy to adjust the horizontality of the two, so that more
The degree of balance of accurate price adjustment jewelry.
Preferably, the light-irradiating lamp for detecting jewelry equilibrium state is provided with pedestal 30, meanwhile, pedestal 30 also is provided with water
Level, during detection jewelry balance, horizontality is in easy to adjust pedestal 30.
A kind of measuring method of equalizing measuring implement, first support bar 31 are adjusted to horizontality with second support bar 32, and will
It is fixed；The symmetrical line before and after the mark of the side of jewelry to be measured；The jewelry of balance to be measured is hung on into the first balancing pole 33
Between the second balancing pole 34, the then jewelry symmetric case from side：The first, if the rear side of jewelry is laid particular stress on, then by pearl
The hanger bar of precious both sides is to front side bending, until jewelry balances；If the 2nd, laid particular stress on front side of jewelry, according to the line of mark with setting
The light contrast of the light-irradiating lamp of pedestal 30 upward is put, counterweight is fixed on to the back lower place of jewelry, then will add counterweight again
Jewelry is put between the first balancing pole 33 and the second balancing pole 34 to be detected again, if laid particular stress on front side of jewelry, according to a method tune
It is whole；If front side is laid particular stress on, adjusted further according to two method；Until the line of mark and the light ray parallel of light-irradiating lamp.
In conclusion jewelry is being positioned between the first balancing pole and the second balancing pole by the present invention, and then adjust jewelry
Equilibrium state.The configuration of the present invention is simple, easy to operate, it is accurate to adjust the Pingdu degree of jewelry, facilitates the installation of jewelry, can be with
Improve the production efficiency of jewelry.
The above-mentioned technology contents that the present invention is only further illustrated with embodiment, in order to which reader is easier to understand, but not
Represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreation, by the present invention's
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
- A kind of 1. balance utensil of jewelry manufacture, it is characterised in that including pedestal, the hinged first support bar and second with pedestal Supporting rod；The first support bar is oppositely arranged with second support bar, and bottom is hinged with pedestal；The first support bar and the Adjusting part is equipped between two supporting rods, to adjust the angle between first support bar and second support bar；First support Bar upper end is equipped with the first balancing pole, and second support bar position corresponding with the first balancing pole is equipped with the second balancing pole.
- 2. the balance utensil of a kind of jewelry manufacture according to claim 1, it is characterised in that the adjusting part includes passing through The adjusting rod of first support bar and second support bar is worn, is fixed on adjusting rod and between first support bar and second support bar Rotating wheel；The first support bar is equipped with the through hole through adjusting rod with second support bar；The adjusting rod is in first Latch segment is equipped with the outside of strut and second support bar.
- 3. the balance utensil of a kind of jewelry manufacture according to claim 1, it is characterised in that first balancing pole and the Latch assembly is equipped between one supporting rod, between second balancing pole and second support bar；Latch assembly is used for first Balancing pole is fixed on first support bar, the second balancing pole is fixed on second support bar.
- A kind of 4. balance utensil of jewelry manufacture according to claim 3, it is characterised in that the latch assembly include with The fixed link that first support bar or second support bar are actively coupled, and thread connection is in fixed link and positioned at first support bar or the Locking nut on the outside of two supporting rods；The fixed link extends to one end between first support bar and second support bar and is equipped with use In the mounting hole for installing the first balancing pole or the second balancing pole.
- 5. the balance utensil of a kind of jewelry manufacture according to claim 3, it is characterised in that the latch assembly includes solid Due to the mounting blocks of first support bar or second support bar, annular is equidistantly arranged on several grippers of mounting blocks；Wherein, it is some Formed with the lock chamber for accommodating the first balancing pole or the second balancing pole between a gripper；The gripper periphery, which is equipped with, to be used to adjust Save the adjusting nut of lock chamber size.
- 6. the balance utensil of a kind of jewelry manufacture according to claim 5, it is characterised in that the gripper is along lock chamber axis To for wedge structure, so that the gripper that several annulars are equally spaced surrounds bullet；The bullet periphery, which is equipped with, to be adjusted The screw thread of nut connection, so that the size of rotating adjusting nut control lock chamber.
- 7. the balance utensil of a kind of jewelry manufacture according to claim 1, it is characterised in that the pedestal is equipped with angle tune Save component；The first support bar is articulated with the angular adjustment component with second support bar；The tune of the angular adjustment component It is vertical with first support bar or second support bar swaying direction to save direction.
- A kind of 8. balance utensil of jewelry manufacture according to claim 7, it is characterised in that the angular adjustment component bag The first arc block for being fixed on pedestal is included, and the second arc block coupled is rotated with the first arc block；The first support bar with Second support bar is arranged on the second arc block；Fixing nut is equipped between first arc block and the second arc block.
- A kind of 9. balance utensil of jewelry manufacture according to claim 7, it is characterised in that the first support bar and the Two supporting rods are equipped with level meter.
- 10. a kind of measuring method of equalizing measuring implement, it is characterised in that first support bar is adjusted to horizontal with second support bar State, and be fixed；The symmetrical line before and after the mark of the side of jewelry to be measured；It is flat that the jewelry of balance to be measured is hung on first Weigh between bar and the second balancing pole, then the jewelry symmetric case from side：If the first, the rear side of jewelry is laid particular stress on, then will The hanger bar of jewelry both sides is to front side bending, until jewelry balances；If the 2, laid particular stress on front side of jewelry, according to the line of mark with The light contrast of the light-irradiating lamp of pedestal upward is set, counterweight is fixed on to the back lower place of jewelry, then will add counterweight again Jewelry is put between the first balancing pole and the second balancing pole to be detected again, if laid particular stress on front side of jewelry, is adjusted according to a method；Such as Lay particular stress on front side of fruit, adjusted further according to two method；Until the line of mark and the light ray parallel of light-irradiating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062815.0A CN107997316A (en) | 2018-01-23 | 2018-01-23 | A kind of the balance utensil and its measuring method of jewelry manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062815.0A CN107997316A (en) | 2018-01-23 | 2018-01-23 | A kind of the balance utensil and its measuring method of jewelry manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107997316A true CN107997316A (en) | 2018-05-08 |
Family
ID=62066422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810062815.0A Pending CN107997316A (en) | 2018-01-23 | 2018-01-23 | A kind of the balance utensil and its measuring method of jewelry manufacture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107997316A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE397966C (en) * | 1923-05-08 | 1924-07-09 | Dionys Hofmann | Balancing device |
| CN2553865Y (en) * | 2002-05-21 | 2003-06-04 | 李建兴 | balance swing charm |
| US20060016217A1 (en) * | 2004-07-22 | 2006-01-26 | Takefumi Meguro | Pendant |
| WO2006025043A2 (en) * | 2004-08-29 | 2006-03-09 | Israel Diamond Technology Ltd | An improved method of a gemstone working member balancing and an apparatus for the same |
| CN102697260A (en) * | 2012-06-26 | 2012-10-03 | 马国明 | Jewel adornment |
| CN202479828U (en) * | 2011-12-31 | 2012-10-10 | 黄美华 | Movable clamp for processing ornaments |
| CN204514540U (en) * | 2015-04-17 | 2015-07-29 | 杭州坤越机械制造有限公司 | Equilibrator |
| CN106482897A (en) * | 2016-11-18 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | A kind of measuring method of the mass centre of Special-shaped object |
| CN206772288U (en) * | 2017-05-29 | 2017-12-19 | 山西建工建筑工程检测有限公司 | The device of horizontal oblique angle is measured in architectural engineering |
| CN206788052U (en) * | 2017-06-12 | 2017-12-22 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of jewels and jade test sensitivity device |
| CN206852201U (en) * | 2017-06-12 | 2018-01-09 | 杨云 | A kind of inlaying device for being applicable variously-shaped jewel |
| CN206862566U (en) * | 2017-04-10 | 2018-01-09 | 大连理工大学 | A device for measuring the three-dimensional coordinates of the center of gravity of an object of arbitrary shape |
| CN207836948U (en) * | 2018-01-23 | 2018-09-11 | 深圳市行行行实业有限公司 | A kind of balance utensil of jewelry manufacture |
-
2018
- 2018-01-23 CN CN201810062815.0A patent/CN107997316A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE397966C (en) * | 1923-05-08 | 1924-07-09 | Dionys Hofmann | Balancing device |
| CN2553865Y (en) * | 2002-05-21 | 2003-06-04 | 李建兴 | balance swing charm |
| US20060016217A1 (en) * | 2004-07-22 | 2006-01-26 | Takefumi Meguro | Pendant |
| WO2006025043A2 (en) * | 2004-08-29 | 2006-03-09 | Israel Diamond Technology Ltd | An improved method of a gemstone working member balancing and an apparatus for the same |
| CN202479828U (en) * | 2011-12-31 | 2012-10-10 | 黄美华 | Movable clamp for processing ornaments |
| CN102697260A (en) * | 2012-06-26 | 2012-10-03 | 马国明 | Jewel adornment |
| CN204514540U (en) * | 2015-04-17 | 2015-07-29 | 杭州坤越机械制造有限公司 | Equilibrator |
| CN106482897A (en) * | 2016-11-18 | 2017-03-08 | 安徽江淮汽车集团股份有限公司 | A kind of measuring method of the mass centre of Special-shaped object |
| CN206862566U (en) * | 2017-04-10 | 2018-01-09 | 大连理工大学 | A device for measuring the three-dimensional coordinates of the center of gravity of an object of arbitrary shape |
| CN206772288U (en) * | 2017-05-29 | 2017-12-19 | 山西建工建筑工程检测有限公司 | The device of horizontal oblique angle is measured in architectural engineering |
| CN206788052U (en) * | 2017-06-12 | 2017-12-22 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of jewels and jade test sensitivity device |
| CN206852201U (en) * | 2017-06-12 | 2018-01-09 | 杨云 | A kind of inlaying device for being applicable variously-shaped jewel |
| CN207836948U (en) * | 2018-01-23 | 2018-09-11 | 深圳市行行行实业有限公司 | A kind of balance utensil of jewelry manufacture |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180508 |
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