CN106371305B - A kind of watch structure using item in front ring - Google Patents
A kind of watch structure using item in front ring Download PDFInfo
- Publication number
- CN106371305B CN106371305B CN201610949528.2A CN201610949528A CN106371305B CN 106371305 B CN106371305 B CN 106371305B CN 201610949528 A CN201610949528 A CN 201610949528A CN 106371305 B CN106371305 B CN 106371305B
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- button
- front ring
- item
- watch
- ring
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- 230000000694 effects Effects 0.000 abstract description 6
- 238000004804 winding Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/08—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously by parts of the cases
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
The present invention relates to horological device fields, specifically, it is related to a kind of watch structure using item in front ring, including the internal gauge outfit for being equipped with machine core, the front ring being mounted on the upside of the gauge outfit and the button for being mounted on the gauge outfit side, the front ring can be rotated in the case where hand dials driving around the gauge outfit and lower edge is equipped with the first gear ring engaged with the button, and the button is connected with the machine core and drives item on the machine core under the rotation of front ring driving.The present invention carries out upper item to timepiece movement by front ring, only need to rotate front ring several times and full clockwork spring can be realized, and structure is simple, easy to use；Winding button is concealed, keeps wrist-watch overall appearance clean, clean and tidy, there is distinguished aesthetic effect；Have the function of upper antioverloading, can effective protection wrist-watch components, improve reliability and the service life of wrist-watch；It is provided with pop-up resetting-mechanism, make the present invention while having the function of upper and timing function.
Description
Technical field
The present invention relates to horological device fields, in particular to a kind of watch structure using item in front ring.
Background technique
Currently, due to market to wrist-watch to play performance requirement higher and higher.Conventional wristwatch mainly passes through item on button, by
In the requirement of upper function, button component must be retained in wrist-watch moulding, so that existing watch structure is relatively simple, Wu Faman
Sufficient market plays the requirement of performance to wrist-watch, moreover, by pulling button with realize Shang when, since button size is smaller,
The inconveniences such as time-consuming, laborious can be brought when pulling.In addition to this, some mechanical watch do not have upper overload protection and design,
Can only feel judge whether energy storage clockwork spring is upper full with people, since people's subjective sensation difference is very big, so often because upper
Item overload damages timepiece movement, has the case where energy storage clockwork spring or arbor break often, brings much to user
Puzzlement.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of watch structure using item in front ring, pass through front ring opponent
Table carries out item and timing, solves the disadvantage that conventional wristwatch button is exposed, not beautiful enough, meanwhile, it is compared by item in front ring
It can reach more convenient and labour-saving effect by item on button.
The technical solution adopted by the present invention is that: a kind of watch structure using item in front ring is provided, including internal equipped with machine
The gauge outfit of core, the front ring being mounted on the upside of the gauge outfit and the button for being mounted on the gauge outfit side, the front ring can be in hand
It dials under driving around gauge outfit rotation and lower edge is equipped with the first gear ring for engage with the button, the button and the machine core
It is connected and drives item on the machine core under the rotation of front ring driving.
Watch structure of the present invention using item in front ring, the button include engaged with first gear ring it is outer
Gear ring, the button lid being connected with the outer gear ring, the button heart being connected by elastic parts with the button lid and one end connect
Connect the button heart, the other end connects the arbor of the machine core, the rotation of the front ring can successively drive the outer gear ring, described
Button lid, the elastic parts, the button heart and arbor rotation.
Watch structure of the present invention using item in front ring is equipped between the outer gear ring and the button heart and is used for
Prevent the above-mentioned C-shaped pin for generating relatively transverse movement between the two.
Watch structure of the present invention using item in front ring, one end that the button heart is connected with the elastic parts
Equipped with keyway, the elastic parts is connected in the keyway and can drive the button heart by the rotation of the elastic parts
Rotation.
Watch structure of the present invention using item in front ring, the elastic parts include retainingf key and are sheathed on described
Reset spring on retainingf key, one end that the retainingf key is connect with the reset spring are set in the keyway, and the other end exists
It is connected under the suppressing of the reset spring with the button lid.
Watch structure of the present invention using item in front ring, the retainingf key include for being arranged the reset spring
First end and second end for driving button heart rotation, end face of the second end far from the machine core and the handle
Skull is in contact, and another part size and the keyway match and be connected in the keyway.
Watch structure of the present invention using item in front ring, the length of the first end are less than the reset spring certainly
The length or width of length under right state, the second end is greater than the reset spring diameter.
Watch structure of the present invention using item in front ring, the part that the second end is contacted with the button lid are
Semi-cylindrical structure, the button, which covers, is equipped with C-channel corresponding with the semi-cylindrical structure, the semi-cylindrical structure
It is tightly attached to the C-channel groove face in outer surface.
Watch structure of the present invention using item in front ring further includes pop-up resetting-mechanism, the pop-up reset machine
Structure includes the lever being connected with the outer gear ring close to one end of the arbor, the fixed pin for fixing the lever and use
The button of the button pop-up is driven in the pressing lever.
Watch structure provided by the invention using item in front ring carries out upper item to timepiece movement by front ring, due to front ring
It is larger, it only need to rotate front ring several times and full clockwork spring can be realized, structure is simple, easy to use；Due to concealing winding button, make
Wrist-watch overall appearance is clean, clean and tidy, has distinguished aesthetic effect；It is realized by the setting to retainingf key and button lid
Upper antioverloading function, can effective protection wrist-watch components, improve reliability and the service life of wrist-watch；It is multiple by setting pop-up
Position mechanism makes the present invention while having the function of upper and timing function；The present invention uses integral layout and integrated design, in reality
Excellent configuration design is had both while existing multiple functions, there is preferable globality and harmony.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the present invention one；
Fig. 2 is the assembly structure diagram of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram that resetting-mechanism is popped up in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of retainingf key and button lid in the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of the embodiment of the present invention two.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment one
As shown in Figure 1, the watch structure using item in front ring that the embodiment of the present invention one provides, including gauge outfit 5, front ring 1
And button, wherein gauge outfit 5 is equipped with the machine core for timing and upper item, and side is offered for being interlinked to the outside in connecting with button
First through hole, the button pipe 14 for docking with button is fixedly connected with by interference fit on the outside of first through hole；Front ring 1 is logical
It crosses screw 2 and is mounted on the upside of gauge outfit 5, driving can be dialled by hand and be rotated around gauge outfit 5, be additionally provided in its lower edge and engaged with button
First gear ring；Button includes the outer gear ring 12 engaged with the first gear ring, the button lid with outer gear ring 12 by interference fit connection
11, the button heart 13 being connected by elastic parts with button lid 11 and one end are fixedly connected on the button heart 13, the other end passes through
The arbor 7 that button pipe 14 and first through hole are connected with machine core.
Specifically, front ring 1 passes through three transverse directions as shown in Fig. 2, gauge outfit 5 is equipped with the screw slots that a circle slides for screw 2
Screw 2 is mounted in gauge outfit 5, and when rotated, 2 one end of screw is slided in screw slots, and the other end follows front ring 1 to rotate together,
To maintain stabilization when front ring 1 rotates in a longitudinal direction.One end that arbor 7 is connect with the button heart 13 is equipped with external screw thread,
The corresponding button heart 13 is equipped with the screw hole to match with 7 size of arbor, passes through screw thread and screw hole between arbor 7 and the button heart 13
It is screwed on and fixes.One end shape size and button pipe 14 that the button heart 13 is connected with arbor 7 match and are connected to button pipe 14
In, be additionally provided between the button heart 13 and button pipe 14 for seal waterproof and for make between the button heart 13 and button pipe 14
Stable waterproof apron is kept on longitudinal direction, to be able to maintain arbor 7 during making the button heart 13 that arbor 7 be driven to rotate
Steadily, the shaking of arbor 7 is avoided to damage machine core.The button heart 13 is connected the shape size and external tooth of one end with elastic parts
Circle 12 matches and is connected in outer gear ring 12, and 12 inner sidewall of outer gear ring is equipped with the first groove, and the button heart 13 is equipped with and the
Corresponding second groove of one groove, the button heart 13 and outer gear ring 12 pass through the C-shaped that is connected in the first groove and the second groove
Pin 10 keeps relatively fixed in horizontal direction.One end that the button heart 13 is connected with elastic parts offers keyway, and keyway can be adopted
With polygonal body structure, keyway preferably uses rectangular parallelepiped structure in the present embodiment.Elastic parts is connected in keyway and can pass through
The rotation of elastic parts drives the button heart 13 to rotate, specifically, elastic parts includes retainingf key 9 and is sheathed on retainingf key 9
Reset spring 8, one end that retainingf key 9 is connect with reset spring 8 are set in keyway, and the other end is pressed under the action of reset spring 8
On button lid 11.Retainingf key 9 includes first end for being arranged reset spring 8 and for driving that the button heart 13 rotates
Two ends, the length of first end are less than the length of reset spring 8 under natural conditions, and the length or width of second end is greater than reset spring
8 diameters, end face of the second end far from machine core are in contact with button lid 11, and another part size and keyway match and be connected in key
In slot.In the present embodiment, preferably 9 first end of retainingf key is the cylindrical structure that diameter is less than reset spring 8, the of retainingf key 9
Two ends are the rectangular parallelepiped structure to match with keyway shape.9 second end a part of retainingf key after installation is connected in keyway always
In, drive the button heart 13 to rotate so as to rotate in keyway by retainingf key 9.Both retainingf key 9 and button lid 11 are in contact
Face be both configured to Non-smooth surface face, under the action of 8 elastic force of reset spring, between the two have certain tangential friction force F,
The effect of tangential friction force F can make button lid 11 that retainingf key 9 be driven to rotate.Button lid 11 also passes through interference fit and outer gear ring 12
It is fixedly connected, it can the rotation of synchronous drive button lid 11 by outer gear ring 12.Outer gear ring 12 is that external be equipped with is engaged with the first gear ring
The second gear ring cirque structure, be fixed on the button heart 13 under the action of C-shaped pin 10, and can be under the drive of front ring 1
It moves in a circle.Arbor 7, the button heart 13, button pipe 14, outer gear ring 12, retainingf key 9 and button lid 11 after being installed
Axle center is all located in same horizontal line, thus enable outer gear ring 12 by itself rotation successively drive button lid 11, retainingf key 9,
The button heart 13, arbor 7 rotate.
Arbor 7 is in a reversed torsion for driving machine core to will receive machine core during rotating upper item to it, when upper item is complete
It is increasing at the rear reversed torsion that may then be subject to because of arbor 7 of continuation handler axis 7 and arbor 7 is caused to break or machine core
Damage, so, there are maximum on torsion for arbor 7, the reversed torsion that during item on wrist-watch arbor 7 must be subject to
Less than maximum on torsion.In the present embodiment, the torsion being subject on corresponding retainingf key 9 during item on machine core is set as F1,
The torsion being subject on retainingf key 9 when arbor 7 is by maximum on torsion is F2.To solve the above problems, the present embodiment will be fixed
Tangential friction force F between key 9 and button lid 11 is set as no more than F2.As the torsion F1 transmitted on retainingf key 9 by machine core
When no more than tangential friction force F, rotation front ring 1 will drive outer gear ring 12, button lid 11, retainingf key 9, the button heart 13 and arbor
7 rotation realization Shang functions；When the torsion F1 being applied on retainingf key 9 be greater than F in the case where, button lid 11 will not pass through with
Tangential friction force between retainingf key 9 drives retainingf key 9 to rotate, to make the rotation of front ring 1 that cannot continue to drive 7 turns of arbor
Dynamic, due to F≤F2, the torsion F1 that arbor 7 is born will never be greater than F2, thus ensured arbor 7 safety and can
By property, machine core on the antioverloading function that realizes.
As shown in Figure 1 to Figure 3, the watch structure provided in this embodiment using item in front ring further includes connecting with button
Resetting-mechanism is popped up, pop-up resetting-mechanism includes the lever 4 being connected with outer gear ring 12 close to one end of the arbor 7, for solid
During determining the fixed pin 3 of lever 4 and driving the button 6 of button pop-up, pressing or pop-up button for presses lever 4,
Outer gear ring 12 is meshed with front ring 1 always.As shown, being equipped with one at 5 first through hole of gauge outfit for placing button and pop-up
Resetting-mechanism, identical with 5 arcuate structure of gauge outfit third groove, third groove are integrated with gauge outfit 5, pass through setting
Third groove preferably conceals button and pop-up resetting-mechanism, makes wrist-watch overall appearance simplicity generosity, has preferable beautiful
Effect.(side far from machine core) surface is equipped with for installing the second through-hole of button and for installing button on the outside of third groove
6 third through-hole, the second lead to the hole site are corresponding with first through hole position.Specifically, lever 4 is placed in third groove and leads to
It crosses fixed pin 3 to fix at intermediate position, 4 both ends of lever are that fulcrum can be swung up and down with fixed pin 3；One end of lever 4 and installation
Button 6 is in contact at third through-hole, and the other end is equipped with fourth hole identical with 12 diameter of outer gear ring, keeps outer gear ring 12 close
One end of the arbor 7 is affixed on just at the fourth hole on lever 4.When specifically used, by lower button 6, lever 4 is around fixed pin
3 rotations agitate outer gear ring 12 and drive the whole pop-up outward of button, and into timing state, front ring 1 is still nibbled with 12 phase of outer gear ring at this time
It closes, rotates the pointer in the adjustable gauge outfit 5 of front ring 1；After timing, button is pressed to wrist watch centre manually, button resets,
Into upper bar state, upper item can be carried out to machine core by rotating front ring 1 at this time.
Embodiment two
As shown in Figure 4 and Figure 5, embodiment two is compared with embodiment one, the difference is that: the length of 9 first end of retainingf key
Degree is less than the length of the reset spring 8 after assembling；The part that second end is contacted with button lid 11 is semi-cylindrical structure, button lid
11 are equipped with C-channel corresponding with semi-cylindrical structure, and semi-cylindrical structure outer surface is under the elastic force effect of reset spring 8
It is tightly attached to C-channel groove face.When button lid 11 rotates, 9 second surfaces of retainingf key will be by arbor lid 11C shape slot groove face to it
Power N, N can be analyzed to the power N1 and circumference tangential force N2 that are directed toward inside horizontal direction, at the same time, retainingf key 9 be subject to
The reversed torsion F1 that the corresponding opposing force of N1, N2 is the elastic force F3 of reset spring 8 and machine core transmits.Specifically, strip on initially
Under state, F1 is smaller, drives retainingf key 9 to rotate required power N by rotating handle skull 11 smaller, and during this, N2 is greater than F1, F3
Then it is consistently greater than N1；As item is more and more fuller on machine core, reversed torsion F1 is also increasing, to make N2 continue to be greater than F1, accordingly
The power N for giving retainingf key 9 it is also increasing, when machine core on full load, if continuing to rotate retainingf key 9 is likely to result in arbor
7 and machine core damage, so, the present embodiment make machine core on full load N1 be greater than F3, at this point, if continue through button lid 11 rotation
Turn retainingf key 9, since the elastic force F3 of reset spring 8 is less than the opposing force N1 for the horizontal direction that button lid 11C shape slot is given, resets
Spring 8 will be extruded generation elastic deformation, while retainingf key 9 moves backward, until retainingf key 9 is exited completely on button lid 11
C-channel, arbor 7 and machine core will not rotate any more at this time, to realize the antioverloading function of item on machine core.Other portions of embodiment two
Divide and is the same as example 1.
The embodiment of the present invention is described in conjunction with attached drawing above, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (8)
1. a kind of watch structure using item in front ring, gauge outfit (5) including built-in machine core is mounted on the upside of the gauge outfit (5)
Front ring (1) and be mounted on the button of the gauge outfit (5) side, which is characterized in that the front ring (1) can dial under driving in hand
Around the gauge outfit (5) rotation and lower edge is equipped with the first gear ring engaged with the button, and the button is connected with the machine core
And item on the machine core is driven under the rotation of the front ring (1) driving；The button includes engaging with first gear ring
Outer gear ring (12), the button lid (11) being connected with the outer gear ring (12) are connected by elastic parts with the button lid (11)
The button heart (13) and one end connects the button heart (13), the other end connects the arbor (7) of the machine core, the front ring
(1) rotation can successively drive the outer gear ring (12), the button lid (11), the elastic parts, the button heart (13)
It is rotated with the arbor (7).
2. utilizing the watch structure of item in front ring as described in claim 1, which is characterized in that the outer gear ring (12) with it is described
It is equipped between the button heart (13) for preventing the above-mentioned C-shaped pin (10) for generating relatively transverse movement between the two.
3. utilizing the watch structure of item in front ring as described in claim 1, which is characterized in that the button heart (13) with it is described
The connected one end of elastic parts is equipped with keyway, and the elastic parts part is set in the keyway and can pass through the elastic parts
Rotation drive the button heart (13) rotation.
4. utilizing the watch structure of item in front ring as claimed in claim 3, which is characterized in that the elastic parts includes fixing
Key (9) and the reset spring (8) being sheathed on the retainingf key (9), the retainingf key (9) connect with the reset spring (8)
One end be set to the keyway in, the other end is connected under the suppressing of the reset spring (8) with the button lid (11).
5. utilizing the watch structure of item in front ring as claimed in claim 4, which is characterized in that the retainingf key (9) includes using
In the first end for being arranged the reset spring (8) and second end for driving the button heart (13) rotation, the second end
End face far from the machine core is in contact with the button lid (11), and other parts size matches and is connected in the keyway
In the keyway.
6. utilizing the watch structure of item in front ring as claimed in claim 5, which is characterized in that the length of the first end is less than
The length of the reset spring (8) under natural conditions, it is straight that the length or width of the second end is greater than the reset spring (8)
Diameter.
7. utilizing the watch structure of item in front ring as claimed in claim 6, which is characterized in that the second end and the button
The part for covering (11) contact is semi-cylindrical structure, and the button lid (11) is equipped with corresponding with the semi-cylindrical structure
The C-channel groove face is tightly attached in C-channel, the semi-cylindrical structure outer surface.
8. the watch structure as claimed in claim 1 using item in front ring, which is characterized in that further include that pop-up resets
Mechanism, it is described pop-up resetting-mechanism include with the outer gear ring (12) close to the arbor (7) one end be connected lever (4),
The button of the button pop-up is driven for fixing the fixed pin (3) of the lever (4) and for pressing the lever (4)
(6)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949528.2A CN106371305B (en) | 2016-10-27 | 2016-10-27 | A kind of watch structure using item in front ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949528.2A CN106371305B (en) | 2016-10-27 | 2016-10-27 | A kind of watch structure using item in front ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106371305A CN106371305A (en) | 2017-02-01 |
| CN106371305B true CN106371305B (en) | 2018-12-25 |
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ID=57893751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949528.2A Active CN106371305B (en) | 2016-10-27 | 2016-10-27 | A kind of watch structure using item in front ring |
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| Country | Link |
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| CN (1) | CN106371305B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128854B (en) * | 2018-11-13 | 2024-10-11 | 珠海罗西尼表业有限公司 | Watch stem assembly system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215483A (en) * | 1996-04-12 | 1999-04-28 | 伊加玛股份有限公司 | Wrist watch |
| CN201134011Y (en) * | 2007-12-21 | 2008-10-15 | 深圳市飞亚达(集团)股份有限公司 | Chronometer |
| CN102385301A (en) * | 2010-08-30 | 2012-03-21 | 深圳市飞亚达科技发展有限公司 | Watch windup overload protection mechanism and watch with protection mechanism |
| CN105527817A (en) * | 2014-10-21 | 2016-04-27 | 泰西麦有限责任公司 | Adjusting device for adjusting the function of a timepiece |
| CN206618967U (en) * | 2016-10-27 | 2017-11-07 | 深圳市飞亚达精密计时制造有限公司 | The watch structure of bar in a kind of utilization front ring |
-
2016
- 2016-10-27 CN CN201610949528.2A patent/CN106371305B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215483A (en) * | 1996-04-12 | 1999-04-28 | 伊加玛股份有限公司 | Wrist watch |
| DE69701136T2 (en) * | 1996-04-12 | 2000-09-21 | Enigma S.A., Genf/Geneve | CLOCK |
| CN201134011Y (en) * | 2007-12-21 | 2008-10-15 | 深圳市飞亚达(集团)股份有限公司 | Chronometer |
| CN102385301A (en) * | 2010-08-30 | 2012-03-21 | 深圳市飞亚达科技发展有限公司 | Watch windup overload protection mechanism and watch with protection mechanism |
| CN105527817A (en) * | 2014-10-21 | 2016-04-27 | 泰西麦有限责任公司 | Adjusting device for adjusting the function of a timepiece |
| CN206618967U (en) * | 2016-10-27 | 2017-11-07 | 深圳市飞亚达精密计时制造有限公司 | The watch structure of bar in a kind of utilization front ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106371305A (en) | 2017-02-01 |
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Inventor after: Liang Jia Inventor after: Liu Yajun Inventor after: Gao Rengdong Inventor before: Gao Rengdong Inventor before: Liang Jia Inventor before: Liu Yajun |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Fiyta technology building 11 floor 1 floor on the eastern side of the northwest side of the negative Patentee after: Shenzhen feiyada Precision Technology Co., Ltd Address before: 518000 Guangdong city of Shenzhen province Nanshan District Gao Xin Road Fiyta technology building 11 floor 1 floor on the eastern side of the northwest side of the negative Patentee before: Shenzhen Fiyta Precision Timer Manufacturing Co., Ltd. |