CN105605043A - High-convenience high-connection-strength metal connecting clamp - Google Patents
High-convenience high-connection-strength metal connecting clamp Download PDFInfo
- Publication number
- CN105605043A CN105605043A CN201610164567.1A CN201610164567A CN105605043A CN 105605043 A CN105605043 A CN 105605043A CN 201610164567 A CN201610164567 A CN 201610164567A CN 105605043 A CN105605043 A CN 105605043A
- Authority
- CN
- China
- Prior art keywords
- assembly parts
- insert
- metal linking
- linking clip
- bonding strength
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 62
- 230000007704 transition Effects 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 23
- 206010058109 Hangnail Diseases 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000037431 insertion Effects 0.000 abstract 7
- 238000003780 insertion Methods 0.000 abstract 7
- 238000009434 installation Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 108010052322 limitin Proteins 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
- F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a high-convenience high-connection-strength metal connecting clamp which is used for implementing fastening and connection between a first assembly part and a second assembly part. The first assembly part is provided with an assembly slot; and the second assembly part is provided with an insertion part. The metal connecting clamp comprises an elastic insertion bulge, a transition part and an oblique insertion slot, wherein the elastic insertion bulge is used for inserting the assembly slot of the first assembly part, so that the first assembly part is fixedly connected with the metal connecting clamp; the oblique insertion slot comprises an obliquely arranged bearing slot and barbs arranged in the bearing slot; and the oblique insertion slot is used for inserting the insertion part of the second assembly part, so that the second assembly part is fixedly connected with the metal connecting clamp. Compared with the prior art, the metal connecting clamp has the advantages of simple structure, high connection convenience, high efficiency, high connection strength stability and the like.
Description
Technical field
The present invention relates to a kind of folder that connects, especially relate to the metal linking clip of the high bonding strength of a kind of high convenience.
Background technology
Current, flourish along with automobile industry, various new materials (metal, nonmetal and composite)Applied to widely the Design and manufacture of auto parts and components. Assembly connection between of the same race or non-same material parts becomesMore and more common, but traditional mounting means----bolted, riveted joint, hinged etc. cannot meet systemMake industry to parts Fast Installation, high reliability, be easy to dismounting requirement.
In order to address this is that, fill up the vacancy in market, need one to meet stable connection and bonding strengthMeanwhile, realize and connect convenient, efficient, convenience, and preferably do not destroy this body structure of connector.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of simple in structure,Connect the metal linking clip of the high bonding strength of high convenience convenient, efficient, bonding strength steadiness is high.
Object of the present invention can be achieved through the following technical solutions:
A metal linking clip for the high bonding strength of high convenience, for realizing the first assembly parts and the second assembly partsBe fastenedly connected, offer a fitting recess on the first described assembly parts, the second described assembly parts are provided with one and insertMeet portion, described metal linking clip comprises integrated elasticity grafting projection, transition part and inclination inserting groove, instituteThe elasticity grafting projection of stating, for the fitting recess of first assembly parts of pegging graft, is fixed the first assembly parts and metal linking clipConnect, described inclination inserting groove comprises a holding groove being obliquely installed and is arranged on the hangnail in holding groove, described inInclination inserting groove for pegging graft the Plug Division of the second assembly parts, by fixing to the second assembly parts and metal linking clip companyConnect.
Described elasticity is pegged graft and is connected into two inverted U-shaped insert-connecting plates that vertically arrange, wherein a slice protruding comprisingInsert-connecting plate is connected with transition part, and another sheet insert-connecting plate is connected with catch, and the middle part of two insert-connecting plates all offers firstOpening, is extended with elasticity pressing tablet downwards in the upper end of the first opening, and described elasticity pressing tablet is under natureBe positioned at the outside of two insert-connecting plates, in the time pressing two elasticity pressing tablets, described elasticity pressing tablet stretches to twoThe centre of insert-connecting plate.
Wherein two elasticity pressing tablets are as a kind of " wing " type hangnail structure, when the first assembly parts from top alongAfter elasticity grafting projection packs into from top to bottom, the fitting recess on its first assembly parts is pushed down elasticity in the process moving downAfter pressing tablet, find the bottom of insert-connecting plate, now elasticity pressing tablet is upspring and is blocked fitting recess, and elasticity pressing tablet is by firstAssembly parts are limited in installation region, play the object of fastenings.
Be positioned at the insert-connecting plate body of opening both sides to projecting inward formation projection. Projection on two insert-connecting plates is established relativelyPut.
Two described insert-connecting plate upper ends connect on the first inverted U-shaped, described brace by the first braceOffer the second opening. The effect of the second opening is to increase by two elasticity between insert-connecting plate, to be conducive to twoInsert-connecting plate is pressed rear original state that easily returns to, and is also conducive to alleviate the weight of metal linking clip simultaneously.
Described holding groove is made up of two upper receiving sheets that are obliquely installed and lower receiving sheet, upper receiving sheet with under acceptBetween sheet, by the second brace composition, described upper receiving sheet and lower receiving sheet are close to and are leaned against one under natureRise.
Described hangnail is positioned in lower receiving sheet.
Inclination inserting groove is the structure containing inclination hangnail, for the second assembly parts are installed, when the second assembly parts are from metalAfter the left side of connection folder bottom pushes, hangnail can tightly be stuck on the second assembly parts, allows the second assembly parts be difficult for de-Fall, realize the second assembly parts and be connected with the firm of metal linking clip.
On the second described brace, offer the 3rd opening. The effect of the 3rd opening be to increase upper receiving sheet with underElasticity between receiving sheet, with more easily adjacent to each other after being conducive to upper receiving sheet and lower receiving sheet and opening, with favourableIn the Plug Division of clamping the second assembly parts, be also conducive to alleviate the weight of metal linking clip simultaneously.
Described transition part is the rebound being connected between one of them insert-connecting plate and upper receiving sheet, on this reboundBe provided with through hole. The effect of through hole is to alleviate on the one hand the weight of metal linking clip, improves on the other hand metal and connectsThe elasticity of folder. The transition part of metal clip is mainly used in connecting the elasticity playing a crucial role and pegs graft protruding and tilt to peg graftGroove, is transitional region, and its shape, angle can be adjusted according to the practical service environment of product.
Metal linking clip material of the present invention is spring steel cold-rolled steel sheet, can produce zero through one time punching moldedThe monnolithic case feature of part, then pass through follow-up isothermal heat treatment process, make part rigidity and intensity all obtain the utmost pointLarge enhancing, finally carries out process of surface treatment (black Zinc-nickel alloy electroplating or electrophoresis etc.) to part again and increases by zeroThe anticorrosion properties of part.
Metal linking clip of the present invention adopts one-body molded design and processing, and processing is simple, and cost is relatively cheap, andInstallation and maintenance are extremely simple, only need to will treat that two assembly parts are pressed into the installation site of part according to installation directionAssembling, otherwise, if desired disassemble, only need by opposite direction separate component.
When metal linking clip of the present invention uses, method is as follows:
The first assembly parts, along installation direction, are packed in the elasticity grafting projection of metal clip from top to bottom, and elasticity is pressedCompressing tablet can be under pressure first shrinks, and returns to original state until the first assembly parts arrive after screens is installed, and now theOne assembly parts have been limited in installation site, have reached the fixing object of the first assembly parts and metal linking clip.
The second assembly parts are pushed in inclination inserting groove from left to right to the second dress along metal linking clip lower openings placeAfter accessory pushes completely, inclination hangnail structure can oppositely stick into the tissue of the second assembly parts under the effect of metal resilienceIn, make the second assembly parts be not easy to skid off, fastening product.
The present invention, by the performance resilience build-in attribute of metal and the hangnail structure of unique design, makes assembly parts passableUnder the simplest situation, combine. Not only ensured assembling rapidly and efficiently, also can save cost, saving is opened.
Compared with prior art, the present invention has the following advantages and beneficial effect:
One, simple for structure, install fast: use integrated structure, two assembly parts fitted together,Metal linking clip itself, without dilatory sense, also brings installation experience more rapidly and efficiently simultaneously;
Two, be widely used: can use the assembly connection between metal, nonmetal and composite accessory;
Three, be convenient to safeguard: do not need to use extra maintenance tool can carry out dismounting maintenance, change alsoMore convenient;
Four, with low cost: part processability is good, use high speed stamping extra bed to process, production capacity is large, costLow.
Five, outward appearance is customizable: metal linking clip of the present invention can adopt different tables in appearance as requiredFace processing mode, reaches different demands.
Brief description of the drawings
Fig. 1 is metal linking clip perspective view of the present invention;
Fig. 2 is the main TV structure schematic diagram of metal linking clip of the present invention;
Fig. 3 is the structural representation of metal linking clip of the present invention and assembly parts.
Number in the figure: 1 is the first assembly parts, 11 is fitting recess, and 2 is the second assembly parts, and 21 is Plug Division, 3For elasticity grafting projection, 31 is insert-connecting plate, and 32 is catch, and 33 is the first opening, and 34 is elasticity pressing tablet, 35For projection, 36 is the first brace, and 37 is the second opening, and 4 is transition part, and 5 is inclination inserting groove, and 51 areHolding groove, 52 is hangnail, and 53 is upper receiving sheet, and 54 is lower receiving sheet, and 55 is the second brace, 56 isThree openings.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A metal linking clip for the high bonding strength of high convenience, as shown in FIG. 1 to 3, for realizing the first dressBeing fastenedly connected of accessory 1 and the second assembly parts 2, offers a fitting recess 11, the second dresses on the first assembly parts 1Accessory 2 is provided with a Plug Division 21, and metal linking clip comprises integrated elasticity grafting projection 3, transition part4 and inclination inserting groove 5, elasticity projection 3 fitting recess 11 for first assembly parts 1 of pegging graft of pegging graft, by the first dressAccessory 1 is fixedly connected with metal linking clip, and inclination inserting groove 5 comprises a holding groove being obliquely installed 51 and arrangesHangnail 52 in holding groove 51, inclination inserting groove 5 is for the Plug Division 21 of second assembly parts 2 of pegging graft, byTwo assembly parts 2 are fixedly connected with metal linking clip.
Elasticity grafting projection 3 comprises the insert-connecting plates 31 that connect into two inverted U-shaped vertical settings, and wherein a slice is insertedContact pin 31 is connected with transition part 4, and another sheet insert-connecting plate 31 is connected with catch 32, the middle part of two insert-connecting plates 31All offer the first opening 33, be extended with elasticity pressing tablet 34 downwards in the upper end of the first opening 33, elasticity is pressedSheet 34 is positioned at the outside of two insert-connecting plates 31 under nature, in the time pressing two elasticity pressing tablets 34, and bulletProperty pressing tablet 34 stretches to the centre of two insert-connecting plates 31.
Wherein two elasticity pressing tablets 34 are as a kind of " wing " type hangnail structure, when the first assembly parts 1 are from topAfter elasticity grafting projection 3 packs into from top to bottom, the mistake that the fitting recess 11 on its first assembly parts 1 is moving downIn journey, push down the bottom of finding insert-connecting plate 31 after elasticity pressing tablet 34, now elasticity pressing tablet 34 is upspring and is blocked dressJoin groove 11, elasticity pressing tablet 34 is limited in the first assembly parts 1 in installation region, plays the object of fastenings.
Be positioned at insert-connecting plate 31 bodies of opening 33 both sides to projecting inward formation projection 35. On two insert-connecting plates 31Projection 35 is oppositely arranged.
It is inverted U-shaped that two insert-connecting plate 31 upper ends connect into by the first brace 36, on the first brace 36, offersThere is the second opening 37. The effect of the second opening 37 is to increase by two elasticity between insert-connecting plate 31, with favourablePress rear original state that easily returns in two insert-connecting plates 31, be also conducive to alleviate the weight of metal linking clip simultaneouslyAmount.
Holding groove 51 is made up of two upper receiving sheets that are obliquely installed 53 and lower receiving sheet 54, upper receiving sheet 53And between lower receiving sheet 54, consist of the second brace 55, upper receiving sheet 53 and lower receiving sheet 54 are at natural shapeUnder state, be close to and be close together.
Hangnail 52 is positioned in lower receiving sheet 54. Inclination inserting groove 5 is the structure containing inclination hangnail 52, for peaceFill the second assembly parts 2, when the second assembly parts 2 are from the left side of metal linking clip bottom pushes, hangnail 52 can be tightTight is stuck on the second assembly parts 2, allows the second assembly parts 2 difficult drop-offs, realizes the second assembly parts 2 and connects with metalConnect the firm connection of folder.
On the second brace 55, offer the 3rd opening 56. The effect of the 3rd opening 56 is to increase upper receiving sheet53 and lower receiving sheet 54 between elasticity, with easier after being conducive to upper receiving sheet 53 and lower receiving sheet 54 and openingAdjacent to each other, to be conducive to clamp the Plug Division 21 of the second assembly parts 2, be also conducive to alleviate metal and connect simultaneouslyThe weight of folder.
Transition part 4 is for being connected to the rebound between one of them insert-connecting plate 31 and upper receiving sheet 53, this reboundBe provided with through hole. The effect of through hole is to alleviate on the one hand the weight of metal linking clip, improves on the other hand metal and connectsConnect the elasticity of folder. The transition part 4 of metal clip is mainly used in connecting the elasticity grafting projection 3 and inclination that play a crucial roleInserting groove 5, is transitional region, and its shape, angle can be adjusted according to the practical service environment of product.
The metal linking clip material of the present embodiment is spring steel cold-rolled steel sheet, through one time punching molded can producingThe monnolithic case feature of part, then pass through follow-up isothermal heat treatment process, part rigidity and intensity are all obtainedStrengthen greatly, finally again part being carried out to process of surface treatment (black Zinc-nickel alloy electroplating or electrophoresis etc.) increasesThe anticorrosion properties of part.
The metal linking clip of the present embodiment adopts one-body molded design and processing, and processing is simple, and cost is relatively cheap,And installation and maintenance are extremely simple, only need to will treat that installation site that two assembly parts are pressed into part according to installation directionCan assemble, otherwise, if desired disassemble, only need by opposite direction separate component.
When the metal linking clip of the present embodiment uses, method is as follows:
The first assembly parts, along installation direction, are packed in the elasticity grafting projection of metal clip from top to bottom, and elasticity is pressedCompressing tablet can be under pressure first shrinks, and returns to original state until the first assembly parts arrive after screens is installed, and now theOne assembly parts have been limited in installation site, have reached the fixing object of the first assembly parts and metal linking clip.
The second assembly parts are pushed in inclination inserting groove from left to right to the second dress along metal linking clip lower openings placeAfter accessory pushes completely, inclination hangnail structure can oppositely stick into the tissue of the second assembly parts under the effect of metal resilienceIn, make the second assembly parts be not easy to skid off, fastening product.
The above-mentioned description to embodiment is can understand and use for ease of those skilled in the art to send outBright. Person skilled in the art obviously can easily make various amendments to these embodiment, and handle is at thisThe General Principle illustrating is applied in other embodiment and needn't passes through performing creative labour. Therefore, the present invention does not limitIn above-described embodiment, those skilled in the art are according to announcement of the present invention, do not depart from changing that category of the present invention makesEntering and revise all should be within protection scope of the present invention.
Claims (9)
1. a metal linking clip for the high bonding strength of high convenience, for realizing the first assembly parts (1) and secondBeing fastenedly connected of assembly parts (2), offers a fitting recess (11) on described the first assembly parts (1), described inThe second assembly parts (2) be provided with a Plug Division (21), it is characterized in that, described metal linking clip comprisesIntegrated elasticity grafting projection (3), transition part (4) and inclination inserting groove (5), described elasticity is pegged graftProjection (3), for the fitting recess (11) of the first assembly parts (1) of pegging graft, connects the first assembly parts (1) and metalConnect folder and be fixedly connected with, described inclination inserting groove (5) comprises a holding groove being obliquely installed (51) and is arranged onHangnail (52) in holding groove (51), described inclination inserting groove (5) is for the second assembly parts (2) of pegging graftPlug Division (21), the second assembly parts (2) are fixedly connected with metal linking clip.
2. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 1, its feature existsIn, described elasticity grafting projection (3) comprises the insert-connecting plates (31) that connect into two inverted U-shaped vertical settings,Wherein a slice insert-connecting plate (31) is connected with transition part (4), and another sheet insert-connecting plate (31) connects with catch (32)Connect, the middle part of two insert-connecting plates (31) all offers the first opening (33), in the upper end of the first opening (33)Be extended with elasticity pressing tablet (34) downwards, described elasticity pressing tablet (34) is positioned at two and inserts under natureThe outside of contact pin (31), in the time pressing two elasticity pressing tablets (34), described elasticity pressing tablet (34) is stretchedBe reduced to the centre of two insert-connecting plates (31).
3. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 2, its feature existsIn, be positioned at insert-connecting plate (31) body of opening (33) both sides to projecting inward formation projection (35).
4. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 3, its feature existsIn, the projection (35) on two insert-connecting plates (31) is oppositely arranged.
5. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 2, its feature existsIn, described two insert-connecting plates (31) upper end connects into inverted U-shaped, described by the first brace (36)On the first brace (36), offer the second opening (37).
6. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 2, its feature existsIn, described holding groove (51) is made up of two upper receiving sheets (53) that are obliquely installed and lower receiving sheet (54),Between upper receiving sheet (53) and lower receiving sheet (54), by the second brace (55) composition, accept on describedSheet (53) is close to and is close together under nature with lower receiving sheet (54).
7. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 6, its feature existsIn, described hangnail (52) is positioned in lower receiving sheet (54).
8. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 6, its feature existsIn, on described the second brace (55), offer the 3rd opening (56).
9. the metal linking clip of the high bonding strength of a kind of high convenience according to claim 6, its feature existsIn, described transition part (4) is for to be connected between one of them insert-connecting plate (31) and upper receiving sheet (53)Rebound, this rebound is provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164567.1A CN105605043A (en) | 2016-03-22 | 2016-03-22 | High-convenience high-connection-strength metal connecting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164567.1A CN105605043A (en) | 2016-03-22 | 2016-03-22 | High-convenience high-connection-strength metal connecting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105605043A true CN105605043A (en) | 2016-05-25 |
Family
ID=55985266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610164567.1A Pending CN105605043A (en) | 2016-03-22 | 2016-03-22 | High-convenience high-connection-strength metal connecting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605043A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089099A (en) * | 2019-12-31 | 2020-05-01 | 上海球明标准件有限公司 | Portable elasticity S type metal connecting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987714A (en) * | 1996-10-07 | 1999-11-23 | Smith; Edward John | Spring fastener of high sealing performance |
| US20120274094A1 (en) * | 2011-04-28 | 2012-11-01 | GM Global Technology Operations LLC | Door trim fastener |
| CN203926310U (en) * | 2014-06-09 | 2014-11-05 | 上海球明标准件有限公司 | A kind of quick mounting nuts connecting for sheet metal part |
| CN203926322U (en) * | 2014-06-06 | 2014-11-05 | 上海球明标准件有限公司 | Integrate shaped type automotive trim is with connecting fast insert lock jack panel |
| CN205592239U (en) * | 2016-03-22 | 2016-09-21 | 上海球明标准件有限公司 | High convenience high joining strength's metallic interconnect presss from both sides |
-
2016
- 2016-03-22 CN CN201610164567.1A patent/CN105605043A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5987714A (en) * | 1996-10-07 | 1999-11-23 | Smith; Edward John | Spring fastener of high sealing performance |
| US20120274094A1 (en) * | 2011-04-28 | 2012-11-01 | GM Global Technology Operations LLC | Door trim fastener |
| CN203926322U (en) * | 2014-06-06 | 2014-11-05 | 上海球明标准件有限公司 | Integrate shaped type automotive trim is with connecting fast insert lock jack panel |
| CN203926310U (en) * | 2014-06-09 | 2014-11-05 | 上海球明标准件有限公司 | A kind of quick mounting nuts connecting for sheet metal part |
| CN205592239U (en) * | 2016-03-22 | 2016-09-21 | 上海球明标准件有限公司 | High convenience high joining strength's metallic interconnect presss from both sides |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089099A (en) * | 2019-12-31 | 2020-05-01 | 上海球明标准件有限公司 | Portable elasticity S type metal connecting device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |
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| RJ01 | Rejection of invention patent application after publication |