CN202665723U - Self-locking bracket with rotatable stereoscopic type elastic metal lock cover - Google Patents
Self-locking bracket with rotatable stereoscopic type elastic metal lock cover Download PDFInfo
- Publication number
- CN202665723U CN202665723U CN 201220293351 CN201220293351U CN202665723U CN 202665723 U CN202665723 U CN 202665723U CN 201220293351 CN201220293351 CN 201220293351 CN 201220293351 U CN201220293351 U CN 201220293351U CN 202665723 U CN202665723 U CN 202665723U
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- locking
- locking plate
- pedestal
- bracket
- stopper slot
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Abstract
The utility model relates to a self-locking bracket with a rotatable stereoscopic type elastic metal lock cover. The self-locking bracket comprises a bracket base plate and two or more working wings, wherein the working wings comprise bases which are connected with the bracket base plate; the middle parts of the bases are dented downward and are formed into grooves; all the grooves are arranged in a groove axis; the parts of the bases on one side of the groove axis are arranged as first bases; the parts on the other side are arranged as second bases; side faces of two first bases of two adjacent working wings are opposite to each other; the side faces of two second bases are also opposite to each other; groove walls of the grooves in the first bases are arranged as first groove walls; the groove walls of the grooves in the second bases are arranged as second groove walls; the self-locking bracket is characterized by further comprising the lock cover; the lock cover comprises a fixed end, a pressing sheet and a first locking sheet which are connected in turn; the tail end of the fixed end is rotatably arranged between the side faces of two second bases; a second locking sheet is fixed with the lock cover and is located above a lip side face of the lock cover; first limiting slots are arranged in the first groove walls; second limiting slots are arranged in the second groove walls; and when the pressing sheet is located above the grooves, the first locking sheet is arranged in the first limiting slots of two adjacent working wings and the second locking sheet is arranged in the second limiting slots of two adjacent working wings.
Description
Technical field
This utility model relates to a kind of dental orthodontic instrument field, is specifically related to a kind of locking bracket with rotatable three-dimensional elastic metallic locking closure.
Background technology
Orthodontic treatment is a subdiscipline that degree of specialization is higher of dental field, mainly is to rescue for tooth, jawbone, facial deformity, by inner Fixed Orthodontics appliance recovers patient's normal occlusion function gradually in the oral cavity.Bracket is the important component part of orthodontic appliance, mainly is adhered on labial teeth, canine tooth, the premolars, and orthodontic treatment is installed in by rescuing arch wire in the groove of bracket, and the Tooth Movement of guiding dislocation is to desirable position.
The mode that traditional bracket adopts ligature or India rubber looper to prick will be rescued arch wire and be fixed in the groove, but the shortcoming such as there is the time-consuming inconvenience of clinical manipulation in this fixed form, frictional force is large, level of comfort is poor.In recent years, locking bracket (self-ligating bracket) orthodontic treatment that appears as patho-occlusion of rescuing system has been introduced new method.The characteristics of locking bracket maximum are that the self-locking structure by bracket substitutes conventional junction tied silk (circle) arch wire is carried out ligation, have reduced the frictional force of orthodontic appliance inside, make to rescue efficient and significantly increase, and be a kind of quick, comfortable, safe fixed orthodontic device.At present, locking bracket with respect to traditional bracket have low-frictional force, reduce anchorage loss, improve clinical manipulation efficient, the patient is to the particular advantages of the aspects such as pain reaction is light, and the locking bracket engagement is stable, small and exquisite attractive in appearance, the patient wears with comfortable, easy to clean, Chairtime shortens, the further consultation interval prolongs, and it is shorter to rescue efficient height, the course for the treatment of.So that locking bracket obtains more and more just abnormal doctors' understanding and affirms.
Summary of the invention
This utility model is for the deficiencies in the prior art, having proposed a kind of band is useful on arch wire is carried out spacing rotatable three-dimensional locking closure, this locking closure has two not coplanar locking plates, locking plate can snap in the stopper slot that is separately positioned on two sidewalls of groove, is used for the locking bracket with rotatable three-dimensional elastic metallic locking closure that when the groove locking locking closure is fixed.
The technical solution of the utility model is as follows:
A kind of locking bracket comprises bracket base and two or more working wings, and described working wing comprises the pedestal that is connected with bracket base, and described pedestal middle part is recessed to form groove downwards, and all described grooves are on a groove axis; Described pedestal is the first pedestal in the part of groove axis one side, and the part of opposite side is the second pedestal, and two described the first pedestal sides of adjacent two described working wings are relative, and two described the second pedestal sides are relative; The furrow bank of groove is the first furrow bank on described the first pedestal, and the furrow bank of groove is the second furrow bank on described the second pedestal; It is characterized in that: it also comprises a locking closure, and described locking closure comprises stiff end, tabletting and the first locking plate that connects successively, and the end of described stiff end is arranged between two described the second pedestal sides rotationally; The second locking plate and described locking closure are fixed, and are positioned at the top, lip side of described locking closure; On described the first furrow bank the first stopper slot is set, on described the second furrow bank the second stopper slot is set; When described tabletting was positioned at described groove top, described the first locking plate can place the first stopper slot of adjacent two described working wings, and described the second locking plate can place the second stopper slot of adjacent two described working wings.
A support member is stretched out to described bracket base direction in tongue side from described the first locking plate.
Described support member is positioned on described the first locking plate the side away from described tabletting, described support member end is to top, the lip side bending of described locking closure, the part of described support member above described lip side forms shell fragment, and the free end of described shell fragment is fixed described the second locking plate.
One end of one shell fragment is connected on the described stiff end, and the free end of described shell fragment stretches out to the top, lip side of described locking closure, and described the second locking plate is fixed on the described free end.
One end of one shell fragment is connected on the described stiff end, and the free end of described shell fragment stretches out to the top of described lip side, and described the second locking plate is fixed on the described free end.
Described stiff end is less than or equal to distance between adjacent two described the second pedestal sides along the width of described groove axis; Described the first locking plate along the width of described groove axis greater than the distance between adjacent two described the first pedestal sides; Described the second locking plate along the width of described groove axis greater than the distance between adjacent two described the second pedestal sides.
Described the first locking plate and the second locking plate are strip, described the first locking plate has two arms that stretch out to the first stopper slot direction of adjacent two described working wings respectively, and described the second locking plate has two arms that stretch out to the second stopper slot direction of adjacent two described working wings respectively.
The top of described stiff end is connected to the middle part of described tabletting, and the free end of described shell fragment is connected to the middle part of described the second locking plate.
The height of described the first stopper slot is lower than the height of described the second stopper slot.
The stereochemical structure that described locking closure and the second locking plate are formed in one.
Described integrated method is included as metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method.
The material of described locking closure and the second locking plate is elastic metallic.
Described elastic metallic comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.
The end of described stiff end is connected with two described the second pedestal sides by hinging pin shaft.
Described hinging pin shaft comprises the pin-and-hole that is arranged on the described stiff end end, and described pin-and-hole is the Long Circle hole.
Be package assembly between described locking closure, shell fragment and the second locking plate, or be package assembly between the each several part of described locking closure that the assembling mode of described package assembly comprises welding, bonding, riveted joint, joggle or hinged.
Technique effect of the present utility model is as follows:
A kind of locking bracket of the present utility model comprises bracket base and two or more working wings, comprises a locking closure, and locking closure comprises stiff end, tabletting and the first locking plate that connects successively, and the end of stiff end is arranged between the two second pedestal sides rotationally; The second locking plate and locking closure are fixed, and are positioned at the top, lip side of locking closure; The first stopper slot is set on the first furrow bank, the second stopper slot is set on the second furrow bank; When tabletting was positioned at the groove top, the first locking plate can place the first stopper slot of adjacent two working wings, and the second locking plate can place the second stopper slot of adjacent two working wings.This utility model is formed for holding the archwire slot of arch wire by tabletting and groove, tabletting by the first locking plate and the first stopper slot cooperate and the second locking plate be locked in the groove top cooperating of the second stopper slot, the relatively rotating of stiff end realized lifting on the whole of locking closure and fallen, thereby the open and close of archwire slot have been realized, the archwire slot so that arch wire can be come in and gone out easily.
When locking closure integral body was turned down, the rotation of the first locking plate was to the notch of the first stopper slot of adjacent two working wings, and the rotation of the second locking plate is to the notch of the second stopper slot of adjacent two working wings.The first locking plate and the second locking plate successively or simultaneously enter respectively in the first stopper slot and the second stopper slot under external force.The stereochemical structure that the second locking plate and locking closure are formed in one, because the second locking plate is arranged on the top of locking closure lip side, thereby poor with the first locking plate height of formation that is positioned on the locking closure, and the second locking plate is connected by shell fragment with locking closure, and the deformation of one place occurs in the extrusion process of external force at least for locking closure, shell fragment and the second locking plate.When external force was withdrawn, the first locking plate and the second locking plate were stuck in the first stopper slot and the second stopper slot can not deviate from.
This utility model side direction bracket base direction away from tabletting on the first locking plate is stretched out a support member, and when the first locking plate entered the first stopper slot, support member can prop up bracket base, made tabletting can not fall into groove.But also can utilize the support member end to the bending of top, locking closure lip side, and be formed for the second locking plate is fixed in the shell fragment of top, lip side, play the effect of a parts several functions.
This utility model is oblong pin-and-hole in the end setting of stiff end, the diameter of pin-and-hole two ends semicircle is more than or equal to the external diameter of pin, the length of its straight line is greater than the pin external diameter, when the first locking plate enters the first stopper slot under external force, the first locking plate can slide along the direction that is parallel to bracket base in the first stopper slot, relatively pin-and-hole successfully enters in the second stopper slot the second locking plate with respect to pin generation translation.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment 1
Fig. 2 is the locking closure of this utility model embodiment 1 and the structural representation of the second locking plate
Fig. 3 is that the first locking plate of this utility model embodiment 1 rotates the notch to the first stopper slot, and the rotation of the second locking plate is to the sketch map of the notch of the second stopper slot
Fig. 4 is the sketch map that the first locking plate of this utility model embodiment 1 enters the first stopper slot
Fig. 5 is the sketch map that the second locking plate of this utility model embodiment 1 enters the second stopper slot
Fig. 6 is the structural representation of this utility model embodiment 2
Fig. 7 is the locking closure of this utility model embodiment 2 and the structural representation of the second locking plate
Fig. 8 is that the first locking plate of this utility model embodiment 2 rotates the notch to the first stopper slot, and the rotation of the second locking plate is to the sketch map of the notch of the second stopper slot
Fig. 9 is the sketch map that the first locking plate of this utility model embodiment 2 enters the first stopper slot
Figure 10 is the sketch map that the second locking plate of this utility model embodiment 2 enters the second stopper slot
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.
The pedestal of single working wing 12 can be divided into the first pedestal 14 and the second pedestal 15 along the groove axis, respectively there is one in the first adjacent pedestal 14 towards each other the first pedestal side 16, and respectively there is one in the second adjacent pedestal 15 towards each other the second pedestal side 17.The first pedestal side 16 or near normal vertical with the groove axis with the second pedestal side 17, the stiff end 21 of locking closure 2 is arranged between two the second pedestal sides 17 rotationally.Groove 13 is divided into and the first furrow bank 18 and the second furrow bank 19 that is positioned on the second pedestal 15 that are positioned on the first pedestal 14 along the groove axis.At the first furrow bank 18 parallel or approximately parallel the first stopper slot 3 to the first furrow bank 18 sunken insides with the groove axis is set, at the second furrow bank 19 parallel or approximately parallel the second stopper slot 4 to the second furrow bank 19 sunken insides with the groove axis is set.The height of the first stopper slot 3 is lower than the second stopper slot 4 in the present embodiment.
As shown in Figure 2, locking closure 2 is tongue side (facing the one side of inside, human body tongue side oral cavity when locking closure 2 is closed) towards the one side of groove 13, opposite side is lip side (facing the one side of human body lip buccal side oral mucosa when locking closure 2 is closed), its stiff end 21, tabletting 22 and the locking plate 23 of being connected connect successively, and other has one second locking plate 24 to be fixed on the top, lip side of locking closure 2 by a shell fragment 25.Locking closure 2 and the second locking plate 24 are the stereochemical structure of integral type, and the first locking plate 23 and the second locking plate 24 are the strip thin slice, and the top of stiff end 21 is connected to the middle part of tabletting 22, and the free end of shell fragment 25 is connected to the middle part of the second locking plate 24.Stiff end 21 is fixed between the two second adjacent pedestal sides 17 by hinging pin shaft away from an end of tabletting 22, and hinging pin shaft comprises pin-and-hole 26 and pin 27, and wherein pin-and-hole 26 is arranged on the stiff end 21, and pin 27 is connected on the two second pedestal sides 17.The first locking plate 23 has two arms that stretch out to the first stopper slot 3 directions of adjacent two working wings 12 respectively, and the second locking plate 24 has two arms that stretch out to the second stopper slot 4 directions of adjacent two working wings 12 respectively.
Present embodiment is preferred: the first locking plate 23 of locking closure 2 is the extended structure of tabletting 22, and namely tabletting 22 and the first locking plate 23 are respectively in the both sides of same rectangle thin slice; The thickness of the first locking plate 23 and the second locking plate 24 is 0.05～0.4mm, be 1.0～4.0mm along the width of groove axis, shell fragment 25 is 0.6～4.0mm along the width of groove axis; In order to prevent that tabletting 22 from falling into groove 13 inside, to stretching out a support member 28 to bracket base 11 directions, this support member 28 can be lamellar or shaft-like from the tongue side of the first locking plate 23; When support member 28 was arranged on the first locking plate 23 a lateral edges away from tabletting 22, for easy to make, to the direction bending opposite with bracket base 11, the part that is positioned at top, locking closure 2 lip sides had just formed shell fragment 25 to the end that makes support member 28 again; One handle hole 29 is set on the lip side of shell fragment 25, so that the doctor utilizes the instruments such as probe that locking closure 2 is operated, handle hole 29 can be through hole or blind hole; Locking closure 2, the second locking plate 24 and shell fragment 25 are made by elastic metallic, and elastic metallic is niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel; Locking closure 2, the second locking plate 24 and shell fragment 25 are formed in one, and integral formation method is metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method; The stiff end 21 of locking closure 2, tabletting 22 and the first locking plate 23 are package assembly, or are package assembly between locking closure 2 and shell fragment 25 and the second locking plate 24, and the assembling mode of package assembly is welding, bonding, riveted joint, joggle, hinged etc.
The cross section of pin-and-hole 26 is and the similar Long Circle of playground runway, and the diameter of oblong two ends semicircle is 0.10～0.60mm, and the length of the straight line between the semicircle is 0.4～1mm.The two halves diameter of a circle is more than or equal to pin 27 external diameters, and the length of its straight line is greater than pin 27 external diameters.Pin-and-hole 26 also can be a circular hole, and Circularhole diameter is 0.1～1mm.Pin-and-hole 26 is a through hole or two blind holes, and when pin-and-hole 26 was a through hole, pin 27 was the stock that passes pin-and-hole 26, and pin 27 two ends are individually fixed on the adjacent two second pedestal sides 17.When pin-and-hole 26 was two blind holes, pin 27 was the two ends bar, and an end of two quarter butts is individually fixed in two second pedestal sides 17, and the other end inserts respectively in the pin-and-hole 26 of stiff end 21 both sides.
When pin-and-hole 26 is slotted hole, so that stiff end 21 can with respect to the translation of pin 27 rotations and certain limit, be realized integral translation and the integrated overturn of locking closure 2.As shown in Figure 3, when locking closure 2 is turned down take pin 27 as axial groove 13, the rotation of two arms of the first locking plate 23 is to the notch of the first stopper slot 3 of adjacent two working wings 12, and the two arms rotation of the second locking plate 24 is to the notch of the second stopper slot 4 of adjacent two working wings 12.As shown in Figure 4, when two arms of the first locking plate 23 enter the first stopper slot 3 under external force, two arms of the first locking plate 23 can slide along the direction that is parallel to bracket base 11 in the first stopper slot 3, and relatively pin-and-hole 26 with respect to pin 27 translation occurs, and tabletting 22 is positioned at groove 13 tops.
As shown in Figure 5, meanwhile two arms of the second locking plate 24 enter into the second stopper slot 4 under external force.Because under relaxed state, distance between the first locking plate 23 and the second locking plate 24 is more than or equal to the distance of the first stopper slot 3 and the second stopper slot 4, thereby the shell fragment 25 generation deformation that is squeezed when making under external force the first locking plate 23 and the second locking plate 24 enter respectively the first stopper slot 3 and the second stopper slot 4.When external force was withdrawn, two arms of the first locking plate 23 were stuck in the first stopper slot 3 after shell fragment 25 resetted, and two arms of the second locking plate 24 are stuck in the second stopper slot 4, thereby tabletting 22 is fixed on groove 13 tops, and groove 13 is formed locking.
As shown in figure 10, meanwhile two arms of the second locking plate 24 enter into the second stopper slot 4 under external force.Because under relaxed state, distance between the first locking plate 23 and the second locking plate 24 is more than or equal to the distance of the first stopper slot 3 and the second stopper slot 4, thereby the shell fragment 25 generation deformation that is squeezed when making under external force the first locking plate 23 and the second locking plate 24 enter respectively the first stopper slot 3 and the second stopper slot 4.When external force was withdrawn, two arms of the first locking plate 23 were stuck in the first stopper slot 3 after shell fragment 25 resetted, and two arms of the second locking plate 24 are stuck in the second stopper slot 4, thereby tabletting 22 is fixed on groove 13 tops, and groove 13 is formed locking.
Should be pointed out that the above specific embodiment can make those skilled in the art's comprehend this utility model create, and creates but limit never in any form this utility model.Therefore; although this description is created this utility model with reference to drawings and Examples and is had been described in detail; but; those skilled in the art are to be understood that; still can create this utility model and make amendment or be equal to replacement; in a word, all do not break away from technical scheme and the improvement thereof of the spirit and scope of this utility model creation, and it all should be encompassed in this utility model and create in the middle of the protection domain of patent.
Claims (16)
1. a locking bracket comprises bracket base and two or more working wings, and described working wing comprises the pedestal that is connected with bracket base, and described pedestal middle part is recessed to form groove downwards, and all described grooves are on a groove axis; Described pedestal is the first pedestal in the part of groove axis one side, and the part of opposite side is the second pedestal, and two described the first pedestal sides of adjacent two described working wings are relative, and two described the second pedestal sides are relative; The furrow bank of groove is the first furrow bank on described the first pedestal, and the furrow bank of groove is the second furrow bank on described the second pedestal; It is characterized in that: it also comprises a locking closure, and described locking closure comprises stiff end, tabletting and the first locking plate that connects successively, and the end of described stiff end is arranged between two described the second pedestal sides rotationally; The second locking plate and described locking closure are fixed, and are positioned at the top, lip side of described locking closure; On described the first furrow bank the first stopper slot is set, on described the second furrow bank the second stopper slot is set; When described tabletting was positioned at described groove top, described the first locking plate can place the first stopper slot of adjacent two described working wings, and described the second locking plate can place the second stopper slot of adjacent two described working wings.
2. a kind of locking bracket as claimed in claim 1, it is characterized in that: a support member is stretched out to described bracket base direction in the tongue side from described the first locking plate.
3. a kind of locking bracket as claimed in claim 2, it is characterized in that: described support member is positioned on described the first locking plate the side away from described tabletting, described support member end is to the top bending of described lip side, the part of described support member above described lip side forms shell fragment, and the free end of described shell fragment is fixed described the second locking plate.
4. a kind of locking bracket as claimed in claim 1, it is characterized in that: an end of a shell fragment is connected on the described stiff end, and the free end of described shell fragment stretches out to the top of described lip side, and described the second locking plate is fixed on the described free end.
5. a kind of locking bracket as claimed in claim 2, it is characterized in that: an end of a shell fragment is connected on the described stiff end, and the free end of described shell fragment stretches out to the top of described lip side, and described the second locking plate is fixed on the described free end.
6. such as claim 1 or 2 or 3 or 4 or 5 described a kind of locking brackets, it is characterized in that: described stiff end is less than or equal to distance between adjacent two described the second pedestal sides along the width of described groove axis; Described the first locking plate along the width of described groove axis greater than the distance between adjacent two described the first pedestal sides; Described the second locking plate along the width of described groove axis greater than the distance between adjacent two described the second pedestal sides.
7. a kind of locking bracket as claimed in claim 6, it is characterized in that: described the first locking plate and the second locking plate are strip, described the first locking plate has two arms that stretch out to the first stopper slot direction of adjacent two described working wings respectively, and described the second locking plate has two arms that stretch out to the second stopper slot direction of adjacent two described working wings respectively.
8. a kind of locking bracket as claimed in claim 7, it is characterized in that: the top of described stiff end is connected to the middle part of described tabletting, and the free end of described shell fragment is connected to the middle part of described the second locking plate.
9. such as claim 1 or 2 or 3 or 4 or 5 or 7 or 8 described a kind of locking brackets, it is characterized in that: the height of described the first stopper slot is lower than the height of described the second stopper slot.
10. such as claim 1 or 2 or 3 or 4 or 5 or 7 or 8 described a kind of locking brackets, it is characterized in that: the stereochemical structure that described locking closure and the second locking plate are formed in one.
11. a kind of locking bracket as claimed in claim 10 is characterized in that: described integrated method is included as metal casting, metal powder injection molding, line cutting, laser engraving or laser cutting method.
12. a kind of locking bracket as claimed in claim 10 is characterized in that: the material of described locking closure and the second locking plate is elastic metallic.
13. a kind of locking bracket as claimed in claim 12 is characterized in that: described elastic metallic comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel.
14. such as claim 1 or 2 or 3 or 4 or 5 or 7 or 8 or 11 or 12 or 13 described a kind of locking brackets, it is characterized in that: the end of described stiff end is connected with two described the second pedestal sides by hinging pin shaft.
15. a kind of locking bracket as claimed in claim 14 is characterized in that: described hinging pin shaft comprises the pin-and-hole that is arranged on the described stiff end end, and described pin-and-hole is the Long Circle hole.
16. such as claim 1 or 2 or 3 or 4 or 5 or 7 or 8 described a kind of locking brackets, it is characterized in that: be package assembly between described locking closure, shell fragment and the second locking plate, or be package assembly between the each several part of described locking closure, the assembling mode of described package assembly comprises welding, bonding, riveted joint, joggle or hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220293351 CN202665723U (en) | 2012-06-18 | 2012-06-18 | Self-locking bracket with rotatable stereoscopic type elastic metal lock cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220293351 CN202665723U (en) | 2012-06-18 | 2012-06-18 | Self-locking bracket with rotatable stereoscopic type elastic metal lock cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202665723U true CN202665723U (en) | 2013-01-16 |
Family
ID=47486664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220293351 Withdrawn - After Issue CN202665723U (en) | 2012-06-18 | 2012-06-18 | Self-locking bracket with rotatable stereoscopic type elastic metal lock cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202665723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715958A (en) * | 2012-06-18 | 2012-10-10 | 北京圣玛特科技有限公司 | Self-locking bracket with rotatable three-dimensional type elastic metal lock cover |
| CN112830779A (en) * | 2021-03-19 | 2021-05-25 | 杭州西湖生物材料有限公司 | Colored transparent zirconia ceramic bracket and powder injection molding process thereof |
-
2012
- 2012-06-18 CN CN 201220293351 patent/CN202665723U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715958A (en) * | 2012-06-18 | 2012-10-10 | 北京圣玛特科技有限公司 | Self-locking bracket with rotatable three-dimensional type elastic metal lock cover |
| CN102715958B (en) * | 2012-06-18 | 2015-02-11 | 北京圣玛特科技有限公司 | Self-locking bracket with rotatable three-dimensional type elastic metal lock cover |
| CN112830779A (en) * | 2021-03-19 | 2021-05-25 | 杭州西湖生物材料有限公司 | Colored transparent zirconia ceramic bracket and powder injection molding process thereof |
| CN112830779B (en) * | 2021-03-19 | 2023-10-27 | 杭州西湖生物材料有限公司 | Colored transparent zirconia ceramic bracket and powder injection molding process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20150211 |
|
| RGAV | Abandon patent right to avoid regrant |