CN101782096B - Connection fitting of family product - Google Patents
Connection fitting of family product Download PDFInfo
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- CN101782096B CN101782096B CN2010100031603A CN201010003160A CN101782096B CN 101782096 B CN101782096 B CN 101782096B CN 2010100031603 A CN2010100031603 A CN 2010100031603A CN 201010003160 A CN201010003160 A CN 201010003160A CN 101782096 B CN101782096 B CN 101782096B
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Abstract
The invention discloses a connection fitting of a family product, comprising a fitting body and a bolt, wherein the fitting body is embedded in a first groove, and the bolt is connected with the fitting body in a positioning mode; the bolt comprises a positioning section and a linkage section; the fitting body is provided with a heteromorphic groove used for connecting with the positioning section of the bolt; the heteromorphic groove extends vertically from the top surface to the back surface; an expansion slot which enables the wall of the heteromorphic groove and the fitting body to extend moderately along the radial direction thereof is arranged in the heteromorphic groove; the notch or the wall of the expansion slot is provided with a latch mutually meshed with the positioning section of the bolt; the axial outer surface of the fitting body can be a toothed surface or a thread surface; the overall dimension thereof is slightly bigger than the diameter of the first groove; the shape of the cross section of the first groove is matched with the appearance of the fitting body; and the linkage section of the bolt is embedded in a second groove, the external diameter of the linkage section of the bolt is bigger than that of the positioning section of the bolt, and the axial periphery of the linkage section of the bolt is slightly bigger than the toothed surface of the diameter of the second groove. The fitting body can be fixed without any screw, can be quickly assembled and has high construction efficiency and firm connection.
Description
Technical field
The invention belongs to the hardware fitting technical field, relate to a kind of connection fittings of family product.
Background technique
All the time, the assembly structure for family product has following several substantially:
1, directly utilize iron nail to be connected and fixed.It belongs to the most traditional fit, adopts the surface of this assembly structure timber products can stay numerous screw terminal and makes its surface irregularity, the effect that can have influence on paint again promptly not attractive in appearance, time grow screw also can to get rusty, also be unfavorable for dismounting.
2, adopt auger screw to connect the mode of adding a cover.The existing improvement of its surface smoothness of iron nail linkage structure that this assembly structure is above-mentioned relatively, but construction gets up to waste time and energy, and work efficiency is low, in case the drill hole lid is lost in the using process, then the surface has permanently stayed mounting hole, has directly had influence on the overall appearance of product.
3, utilize eccentric shaft to connect.As shown in fig. 1, it is the connection fittings of the extensive employing of sectional furniture in the market, owing to can generation rock after its eccentric shaft assembling, so poor stability.And the eccentric shaft fixedly nut of usefulness and timber products color is inconsistent and expose in appearance, has had a strong impact on whole attractive in appearancely, has reduced the grade of product.
4, adopt dowel and glue to be connected and fixed.This also is the assembly structure of more traditional timber products, though the wooden product surface of this structure is smooth, does not also influence the effect of mopping, and the joint fastness is not enough, slightly firmly will split; It is all the more so to utilize glue to fix, and the environmental protection aspect also is restricted.
In addition, the iron sheet suspension member as shown in Figure 2 that occurs on the market because its thickness is very limited, can't be realized the assembling of family product at all.
Chinese patent ZL 200410017980.2 discloses a kind of " novel modular construction Wooden stair ", link between the step plate of these stair and riser, the beam slab has adopted a kind of connection fittings that have special-shaped groove, link to each other with the screw of predetermined fixed on riser or beam slab by this accessory, realize being located by connecting of step plate and riser or beam slab with this.
Owing to be evenly equipped with several fixedly screw holes of usefulness on its accessory, during assembling, need earlier retaining screw to be passed this screw hole accessory is fixed in the groove on the step plate inner side surface, then can link to each other with riser or beam slab.At least need on the every step plate plural accessory is installed, be generally four, be provided with three screw holes on each accessory at least, therefore, the effect of this Placement is low especially.
Simultaneously, because contacted two inner side surfaces of screw rod of accessory body and screw are the light face, in use, relative position between accessory body and the screw can be owing to being vibrated or changing from the influence of the factors such as external force of all directions, it is loosening that connection part is occurred, directly have influence on the degree of being connected firmly between step plate and riser or the beam slab, therefore stayed the potential safety hazard on stair use.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art or defective, a kind of connection fittings of family product are provided, because this accessory body need not to use any screw to fix, can realize the assembling of family product apace, efficiency of construction height not only, its connection is also very firm, has thoroughly eliminated potential safety hazard.
To achieve these goals, the present invention has adopted following technological scheme:
A kind of connection fittings of family product comprise the accessory body that is embedded in household production board material inner face first groove, the screw that links to each other with this accessory body location; Described screw comprises positioning section, linkage section; Described accessory body is provided with the screw positioning section and locatees the special impression of logotype mutually; It is characterized in that,
Described special impression by its end face to back side direction vertical extent, within it portion form at least one cell wall that can make special impression together with accessory body integral body along its expansion slot of stretching of appropriateness radially; The notch of this expansion slot or cell wall be provided with at least one can with the latch of the mutual interlock of screw positioning section;
The toothed surfaces that the axial external surface of described accessory body or several uniform dentate bodies of serving as reasons constitute, or be a flank of thread; The Outside Dimensions of described toothed surfaces or flank of thread all is slightly larger than the width or the diameter of described first groove;
The lateral cross section shape of described first groove and the profile of accessory body are suitable;
The connection fittings of above-mentioned family product, wherein,
Described screw linkage section is embedded in second groove of the sheet material inner face relative with described first groove;
The axial external surface of described screw linkage section is a toothed surfaces, and the Outside Dimensions of this toothed surfaces is slightly larger than the diameter of described second groove.
Described screw is a tap bolt, and its positioning section comprises screw head and screw rod;
The appearance that special impression on the described accessory body comprises an opening slot, link to each other with this opening slot one is circular locating slot, and described screw head and screw rod enter or withdraw from from this opening slot;
Described circular locating slot is provided with the breach that at least one can appropriate folding, and its center of circle overlaps with the center of accessory body or the appropriateness skew.
Further, described screw is a headless screw, and its positioning section comprises screw rod;
The appearance that special impression on the described accessory body comprises an opening slot, link to each other with this opening slot one is circular locating slot, and described screw rod enters or withdraws from from this opening slot;
Described circular locating slot is provided with the breach that at least one can appropriate folding; The center of circle of this circle locating slot overlaps with the center of accessory body or the appropriateness skew.
Further again, described screw is a headless screw, and its positioning section comprises screw rod;
Special impression on the described accessory body only is a circular locating slot, and described screw rod enters or withdraws from from this circle locating slot;
Described circular locating slot is provided with the breach that at least one can appropriate folding; The center of circle of this circle locating slot overlaps with the center of accessory body or the appropriateness skew.
The profile of described opening slot is U font, fan-shaped, circular, rectangle.
The profile of described accessory body is circular, oval, rectangle.
Dentate body on the described toothed surfaces is the annular tooth that radially is provided with along this body peripheral surface, also is the bar shaped tooth that axially is provided with along this body peripheral surface.
The cross section of described dentate body is arc, triangle, trapezoidal, rectangle.
Described toothed surfaces axially be arranged with elasticity card article and/or at least one pair of assembling positioning mark that at least one pair of stretches to both sides.
Owing to adopted above-mentioned technological scheme, the present invention compared with prior art has following advantage and good effect:
1. the toothed surfaces that several dentate bodies constitute because the peripheral surface of accessory body is served as reasons, during assembling, only need it is embedded in the groove that is provided with on the family product inner face, need not to use screw to fix, can realize assembling apace, efficiency of construction increases substantially.
Simultaneously, because the Outside Dimensions of this accessory body is slightly larger than the width of its first groove that embeds, its inside is provided with again and can makes the accessory body along its radially appropriate expansion slot that stretches, make between accessory body and the family product sheet material be connected very firm, and then, improve the assembly quality of family product greatly, thoroughly eliminated existing in the past potential safety hazard.
Since be provided with on the expansion slot of accessory body can with the latch of the mutual interlock of screw rod of screw positioning section, limited the axial and radial displacement of screw effectively, make it very firm with being connected of accessory body, can do not produced displacement, the situation that the connection part of product also can not occur becoming flexible even if the effect of external force such as vibrate yet.
3. because the axial external surface of screw positioning section is a toothed surfaces, the Outside Dimensions of this toothed surfaces is slightly larger than the width or the diameter of second groove.During assembling, only need firmly it to be embedded in second groove a little, realize that the screw linkage section is connected with the quick of family product sheet material.
4. owing to be provided with the elasticity card article in the axial both sides of the toothed surfaces of accessory body, make between accessory body and sheet material inner face first groove be connected more firm.
Eventually the above, connection fittings of the present invention not only can be owing to the assembling of staircase boards, also can be widely used in the composition of wooden structures, as: in the assembling of family products such as composite furniture, cabinet, assembly type stair, ceiling board, shelf, photo frame, kickplate, comprise being connected between wooden boards and the cement board.The vestige of its no any connection in surface, elegant in appearance, lacquer painting can not promote the total quality of product greatly because of link produces aberration.
In addition, connection fittings of the present invention also since have connect rapidly, can permanently hide, again for convenience detach, volume is small and exquisite, simple in structure, with low cost, characteristics such as durable in use, thereby, have application value widely.
Description of drawings
By following examples and in conjunction with the description of its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention.In the accompanying drawing,
Fig. 1 is the structural representation that utilizes eccentric shaft to connect in the prior art;
Fig. 2 is a kind of iron sheet suspension member schematic representation of the prior art;
Fig. 3 is an embodiment's of an accessory body of the present invention Facad structure schematic representation (its accessory body with and the profile of locating slot be circle);
Fig. 4 is the perspective view of Fig. 3;
Fig. 5 is that the locating slot on the accessory body is the Facad structure schematic representation of rectangle among Fig. 3 or Fig. 4;
Fig. 6 is that the profile of accessory body among Fig. 3 or Fig. 4 is the front schematic view of rectangular configuration;
Fig. 7 is that the special impression among Fig. 3 is circular Facad structure schematic representation;
Fig. 8 is processed into screwed structural representation with the accessory body among Fig. 4;
Fig. 9 is the bolt structure schematic representation of a kind of structural type of linking to each other with accessory body of the present invention;
Figure 10 realizes family product assembled construction schematic representation for utilizing connection fittings of the present invention;
Figure 11～13rd, the structural representation that utilizes the accessory body to adopt the screw of several different structure forms to connect respectively;
Figure 14 is a kind of cross-sectional view of the suitable accessory body that is connected with cement board;
Figure 15, Figure 16 are the perspective view that respectively the accessory body sharp processing among Fig. 4 is become the nut shape of different structure form;
Figure 17 is respectively that the dentate body on the accessory body toothed surfaces is the structural representation of different cross section shape among Fig. 4.
Embodiment
Referring to Fig. 3～9, cooperation is referring to Figure 11～Figure 13, the connection fittings of a kind of family product that the present invention relates to, comprise the accessory body 1 that is embedded in the household production board material inner face first groove C, with the screw 2 that accessory body 1 location links to each other, screw 2 comprises positioning section 21, linkage section 22; Accessory body 1 is provided with and screw positioning section 21 special impression 11 of logotype mutually.
The toothed surfaces 12 that the axial external surface of accessory body 1 or several uniform dentate bodies of serving as reasons constitute, or be a flank of thread 13; The Outside Dimensions of toothed surfaces 12 or flank of thread 13 all is slightly larger than width or the diameter that family product sheet material inner face is used to embed the accessory body 1 set first groove C.
The profile of the shape of cross section of the first groove C and accessory body 1 is suitable.
When the tap bolt 2 that adopts as shown in Figure 12, Figure 13, the axial external surface of accessory body 1 is a toothed surfaces 12, and 21 of the positioning sections of screw 2 comprise screw head 21a and screw rod 21b; Special impression 11 on the accessory body 1 is that circular locating slot 11b constitutes by an opening slot 11a shown in Fig. 3～6 and an appearance, and locating slot 11b links to each other with opening slot 11a one.Screw head 21a on the screw positioning section 21 and screw rod 21b can enter from this opening slot 11a, and are located by connecting among the circular locating slot 11b on the accessory body 1.During dismounting, 21 of the positioning sections of screw still withdraw from from this opening slot 11a.
Can be provided with on the circular locating slot 11b at least one as shown in FIG. can appropriate folding breach, help accessory body 1 along its expansion radially, and then make accessory body 1 can be embedded more securely among the first groove C on household production board material inner face; Add man-hour, the center of circle of this circular trough 11b and the center of accessory body 1 are overlapped, the quick location when convenient for assembly.
Screw linkage section 22 is embedded in the second groove D of the sheet material inner face relative with the first groove C; Its axial external surface is a toothed surfaces, and the Outside Dimensions of this toothed surfaces is slightly larger than the diameter of the second groove D.Add man-hour, make the external diameter of the external diameter of screw linkage section 22 as far as possible, to guarantee the join strength between the sheet material greater than screw positioning section 21.
When the headless screw 2 that adopts as shown in figure 11, the axial external surface of accessory body 1 is a toothed surfaces 12, and the positioning section 21 of screw 2 only comprises screw rod 21b; Special impression 11 on the accessory body 1 comprises the continuous opening slot 11a of the one shown in Fig. 3～6 and plays the circular locating slot 11b that a location is connected usefulness that screw rod 21b enters or withdraws from equally from this opening slot 11a;
In like manner, the breach that at least one can appropriate folding can be set on the circular locating slot 11b, help accessory body 1 along its expansion radially; The center of circle of this circular trough 11b overlaps with the center of accessory body 1, the quick location when convenient for assembly.
Being provided with of screw linkage section 22 with embodiment 1.
Embodiment 3
When adopting as Fig. 7 or accessory body 1 shown in Figure 8, its axial external surface is a toothed surfaces 12, and the positioning section 21 of screw 2 only comprises screw rod 21b;
The setting of screw linkage section 22 also can be with embodiment 1.
Embodiment 4
After the screw moulding of accessory body 1 being processed into as shown in Figure 8, the axial external surface of accessory body 1 then is a flank of thread 13, at this moment, then accessory body 1 can be used as common screw, can realize quick assembling equally.
Embodiment 5
When the axial section of accessory body 1 adopts as shown in figure 14 structural type, since accessory body 1 axially be symmetrical arranged the breach that at least one pair of can appropriate folding, effect by means of expansion slot P, after in screw linkage section 21 enters profiled slot 11, along with the increase that enters the degree of depth, accessory body 1 will wholely expand along its radially outward.Especially after it axially was provided with the elasticity card article that stretches two subtend both sides again, accessory body 1 will be fastened in the concrete slab securely, therefore, the connection fittings of this structural type can be used for the connection of concrete slab fully.
Being provided with of screw linkage section 22 with embodiment 1.
Embodiment 6
If then also it can be used as plain nut after the moulding of sharp processing one-tenth shown in Figure 15,16 with accessory body 1, only screw 2 directly need be pushed or inserts during connection in the profiled slot 11 on the nut, can realize quick connection.Certainly, also the nut (not shown) moulding that its sharp processing can be become commercially available both sides " to have ear " can realize quick connection equally.
Its front shape of opening slot 11a on the accessory body 1 of the present invention can be the U font as shown in Fig. 3～7, also can be fan-shaped, circular, rectangle or arbitrary polygon.
In addition, the sectional shape of the accessory body 1 that the present invention relates to can be the circle shown in Fig. 3,5,7, also can be rectangle as shown in Figure 6, can also be ellipse or arbitrary polygon.
In addition, on the accessory body 1 of the present invention toothed surfaces 12 axially can also be symmetrical arranged elasticity card article 12b that at least one pair of stretches to both sides so that accessory body 1 is embedded more securely in the first groove C.Also can be symmetrical arranged at least one pair of positioning mark 12c more simultaneously, so that assemble quickly and accurately.
The working principle of connection fittings of the present invention is roughly as follows:
After the positioning section 21 of screw 2 enters in the special impression 11 of accessory body 1, the cell wall of special impression 11 is because when being subjected to from axial force, also be subjected to the external force from radially, effect by means of the expansion slot P that is provided with in it, then can promote cell wall B and be inconjunction with the accessory body 1 that links to each other with the cell wall one together to stretch, make the 1 whole outwards expansion of accessory body along its radially outward.At this moment, the positioning section 21 of screw 2 just is positioned in the special impression 11 firmly owing to be subjected to the effect that cell wall B goes up the latch K that is provided with.Simultaneously, accessory body 1 himself also is embedded in household production board material inner face is used to embed the first set groove C of accessory body 1 securely.And then, promptly realized purpose of the present invention, need not any retaining screw and can realize quick connection between the family product sheet material.
When the special impression on the accessory body 1 11 is under the situation that has opening slot 11a shown in Fig. 3～6, during the screw 2 of employing shown in Figure 11～13, if assembling back need be withdrawed from screw 2, then can apply certain external force and from opening slot 11a, withdraw from and get final product;
In like manner, only be under the situation of the circular locating slot 11b shown in Fig. 7,8 when the special impression on the accessory body 1 11, when adopting headless screw 2 as shown in Figure 10,, then withdraw from getting final product to inner rotary if screw 2 assembling backs need be withdrawed from;
Utilize the link of the present invention as family product, its linkage structure as shown in figure 10.Cannot see the vestige of any link and assembling from the outer surface of product, its integrity is strong, and is specious.
For the product assembling that is similar to staircase boards etc., can accessory body 1 be embedded in the first groove C that on the back sides such as family product such as stair tread, is provided with earlier, the linkage section 22 of screw 2 is fixed on the connection part that is connected product such as stair beam slab etc., simple motions such as employing manually pushes away, bat, special impression 11 on the screw positioning section 21 align fittings bodies 1 is embedded screw positioning section 21 location in special impression 11, can realize assembling apace, convenient and swift.
When the screw 2 that adopts as shown in Figure 9, because the axial external surface of screw linkage section 22 also is a toothed surfaces, its external diameter is slightly larger than the diameter of the second groove D that embeds screw linkage section 22 usefulness again, only need during assembling firmly screw linkage section 22 to be embedded apace in the second groove D a little, then can further improve efficiency of assembling, the join strength between the interconnective two boards material is higher.
When materials processings such as accessory body 1 and screw 2 employing plastic cement form, can use it for the relatively low occasion of join strength;
When materials processings such as accessory body 1 and screw 2 employing metals form, then can use it for the higher relatively occasion of join strength.
Claims (10)
1. the connection fittings of a family product comprise the accessory body that is embedded in household production board material inner face first groove, the screw that links to each other with this accessory body location; Described screw comprises positioning section, linkage section; Described accessory body is provided with the screw positioning section and locatees the special impression of logotype mutually; It is characterized in that,
Described special impression by its end face to back side direction vertical extent, within it portion form at least one cell wall that can make special impression together with accessory body integral body along its expansion slot of stretching of appropriateness radially; The notch of this expansion slot or cell wall be provided with at least one can with the latch of the mutual interlock of screw positioning section;
The toothed surfaces that the axial external surface of described accessory body or several uniform dentate bodies of serving as reasons constitute, or be a flank of thread; The Outside Dimensions of described toothed surfaces or flank of thread all is slightly larger than the width or the diameter of described first groove;
The lateral cross section shape of described first groove and the profile of accessory body are suitable.
2. the connection fittings of family product according to claim 1 is characterized in that,
Described screw linkage section is embedded in second groove of the sheet material inner face relative with described first groove;
The axial external surface of described screw linkage section is a toothed surfaces, and the Outside Dimensions of this toothed surfaces is slightly larger than the diameter of described second groove.
3. the connection fittings of family product according to claim 2 is characterized in that,
Described screw is a tap bolt, and its positioning section comprises screw head and screw rod;
The appearance that special impression on the described accessory body comprises an opening slot, link to each other with this opening slot one is circular locating slot, and described screw head and screw rod enter or withdraw from from this opening slot;
Described circular locating slot is provided with the breach that at least one can appropriate folding, and its center of circle overlaps with the center of accessory body or the appropriateness skew.
4. the connection fittings of family product according to claim 2 is characterized in that,
Described screw is a headless screw, and its positioning section comprises screw rod;
The appearance that special impression on the described accessory body comprises an opening slot, link to each other with this opening slot one is circular locating slot, and described screw rod enters or withdraws from from this opening slot;
Described circular locating slot is provided with the breach that at least one can appropriate folding; The center of circle of this circle locating slot overlaps with the center of accessory body or the appropriateness skew.
5. the connection fittings of family product according to claim 2 is characterized in that,
Described screw is a headless screw, and its positioning section comprises screw rod;
Special impression on the described accessory body only is a circular locating slot, and described screw rod enters or withdraws from from this circle locating slot;
Described circular locating slot is provided with the breach that at least one can appropriate folding; The center of circle of this circle locating slot overlaps with the center of accessory body or the appropriateness skew.
6. according to the connection fittings of claim 3 or 4 described family products, it is characterized in that the profile of described opening slot is U font, fan-shaped, circular, rectangle.
7. according to the connection fittings of claim 1,2,3,4 or 5 described family products, it is characterized in that the profile of described accessory body is circular, oval, rectangle.
8. according to the connection fittings of claim 1,2,3 or 4 described family products, it is characterized in that the dentate body on the described toothed surfaces is the annular tooth that radially is provided with along this body peripheral surface, or along the axial bar shaped tooth that is provided with of this body peripheral surface.
9. according to the connection fittings of claim 1,2,3,4 or 5 described family products, it is characterized in that the cross section of described dentate body is arc, triangle, trapezoidal, rectangle.
10. according to the connection fittings of claim 1,2,3,4 or 5 described family products, it is characterized in that, described toothed surfaces axially be arranged with elasticity card article and/or at least one pair of assembling positioning mark that at least one pair of stretches to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100031603A CN101782096B (en) | 2009-10-20 | 2010-01-08 | Connection fitting of family product |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197376.5 | 2009-10-20 | ||
| CN200910197376A CN101672314A (en) | 2009-10-20 | 2009-10-20 | Connection fitting of household product |
| CN2010100031603A CN101782096B (en) | 2009-10-20 | 2010-01-08 | Connection fitting of family product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101782096A CN101782096A (en) | 2010-07-21 |
| CN101782096B true CN101782096B (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100031603A Expired - Fee Related CN101782096B (en) | 2009-10-20 | 2010-01-08 | Connection fitting of family product |
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| Country | Link |
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| CN (1) | CN101782096B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925270B (en) * | 2013-01-14 | 2017-11-14 | 尹勇 | Realize the method being quickly fixedly connected between Furniture panel and connection system |
| CN104499901A (en) * | 2014-12-18 | 2015-04-08 | 重庆欧帆门业有限公司 | Door plate screw installer |
| CA3011703A1 (en) * | 2016-02-09 | 2017-08-17 | Valinge Innovation Ab | Element and method for providing dismantling groove |
| CN110966292A (en) * | 2018-09-29 | 2020-04-07 | 彭志军 | Hidden connecting mechanism |
| CN113153879B (en) * | 2021-02-27 | 2024-04-30 | 广东精诺五金实业有限公司 | Connecting device and locking structure thereof |
| CN112901626B (en) * | 2021-02-27 | 2024-06-21 | 广东精诺五金实业有限公司 | Connecting assembly |
| CN113027887B (en) * | 2021-02-27 | 2022-12-23 | 广东精诺五金实业有限公司 | Connecting device and fixing structure thereof |
-
2010
- 2010-01-08 CN CN2010100031603A patent/CN101782096B/en not_active Expired - Fee Related
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| CN101782096A (en) | 2010-07-21 |
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Application publication date: 20100721 Assignee: Shanghai wins Cci Capital Ltd Assignor: Liu Jiayu Contract record no.: 2013990000470 Denomination of invention: Connection fitting of household product Granted publication date: 20111102 License type: Exclusive License Record date: 20130805 |
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