CN2158141Y - Electric connector with improved fixed structural unit - Google Patents
Electric connector with improved fixed structural unit Download PDFInfo
- Publication number
- CN2158141Y CN2158141Y CN 92243671 CN92243671U CN2158141Y CN 2158141 Y CN2158141 Y CN 2158141Y CN 92243671 CN92243671 CN 92243671 CN 92243671 U CN92243671 U CN 92243671U CN 2158141 Y CN2158141 Y CN 2158141Y
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- CN
- China
- Prior art keywords
- fixed component
- electric connector
- circuit board
- printed circuit
- pcb
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an electric connector which is provided with an elastic stationary member, and the electric connector can be rapidly assembled on a printed circuit board. The stationary member comprises a horizontal base, a pair of tabling arms which are upwards bent in a mutually parallel mode at the two ends of the base, and a pair of buckled feet which are downwards bent at one long edge of the base. The buckled feet are buckled on the printed circuit board. A clamping part outwards protruding is arranged on the tabling arm and is clamped with the receiving groove of the isolation body of the electric connector, and a shoulder used for fixedly supporting the clamping part of a connecting member is arranged in the isolation body of the electric connector. A plane which is composed of the tabling arms and a plane which is composed of the buckled feet are mutually orthogonal, and the base of the stationary member is vertical to the isolation body of the electric connector.
Description
The utility model of putting it briefly relates to a kind of in order to the fixing fixed component of electric connector, specifically relates to a kind ofly electric connector to be repeated to be fixed on last flexible fastening members such as printed circuit board (PCB), microprocessor board.
In known technology, the method system that one electric connector is fixed on printed circuit board (PCB) utilize one with the insulating body of electric connector under the one-body molded pillar in surface reach, for example: in known technology, when this insulating body system is made of plastic material, its fixed component is one to constitute with the one-body molded pillar of plastic body, and its fixed function is by incompatible the reaching that be press-fitted between the corresponding aperture on this pillar and the printed circuit board (PCB), therefore, must execute a downward power to this electric connector, just can make the corresponding aperture on this plastic support insertion printed circuit board (PCB), electric connector is fixed on the printed circuit board (PCB).Though the known fixed component that utilizes interference fit can be with firm being fixed on the printed circuit board (PCB) of an electric connector; Yet the plastic support of this kind interference fit but has following shortcoming.
One of shortcoming of known interference fit fixed component is between the corresponding aperture on this pillar and the printed circuit board (PCB), its dimensional tolerance of allowing is restricted, therefore, even just this pillar or hole change in size slightly all may cause between this electric connector and printed circuit board (PCB) fixedly instability and insecure the electrical connection.Even size changes a little and just may cause between this pillar and hole producing an interference, and makes this pillar cause the damage of this pillar when being inserted on the printed circuit board (PCB) or fracture, and then makes whole connector lose its usefulness.
For fear of above-mentioned problem, must be in manufacture process the strict restriction generation of change in size slightly, yet, thus, will increase difficulty of making and the increase that causes cost.
The fixed component institute of known typical interference fit easily another shortcoming of generation is that the thermal coefficient of expansion of known integrate shaped type plastic support and printed circuit board (PCB) differs quite big.Thereby when the thermal expansion amount of plastic support and printed circuit board (PCB) differed greatly, the hole on this printed circuit board (PCB) will produce a compressing power to the free end of this plastic support, and then may cause this plastic support fracture or damage.
A shortcoming again of the known fixed component that is molded from plastic into is, easy scratch of plastics or wearing and tearing, and known fixed component since plastics or insulating material lack flexibility, therefore, when in a unsuitable plug operation, more easily causing damage.Again, the anchor post of plastics is more fragile when this electric connector of installation that repeats is on printed circuit board (PCB); Particularly when the frequent insertion of electric connector when extracting, the probability that plastic support damages will improve greatly.
Therefore, one be that in order to an electric connector is fixed in the required characteristic of fixed component on the printed circuit board (PCB) it can not fracture, the fault of damaged or other patterns.Therefore, if can use a material with elasticity to make fixed component, then just can be used in to have in the situation of repeatedly inserting and extracting and can not produce damage.The insulating material of electric connector is neither to have a better elastic because major part is used in, therefore, wish to have with one to have the fixed component that gratifying flexible material is made, again fixed component is inserted on the electrical connector body that assembling finishes, can assemble at any time.
United States Patent (USP) the 4th, 681 has disclosed a known fixed component in No. 389, and it avoids using integrated plastic support, and this patent has disclosed the stop pin of a metal, to fix an electric connector in printed circuit board (PCB) or similarly on the plate body.Yet this member has a significantly restriction, and promptly it must insert on the insulating body of electric connector, so that fix the shoulder that is positioned at this body top.And the part of this stop pin extends through electric connector downwards and one of embed on the printed circuit board (PCB) hole.
This design limit its range of application because this known stop pin can only be applied to an electric connector with horizontal expansion shoulder, and this shoulder must have a holding surface, so that make stop pin can fix electric connector.Yet most electric connector does not have shoulder for simple squared design, and increase by one shoulder extra for fixed connector not only can increase the manufacturing cost of electric connector, and can take free space on the printed circuit board (PCB).Further, fix hole on printed circuit board (PCB) for the pin that makes this stop pin can have enough spaces, the shoulder of this electric connector certainly will be designed to thin and little, so that make it structurally become very fragile.In fact, the shoulder of suchlike electric connector is normally very thin, thereby when being exposed to vibrations, rugged environment or improperly under the operational circumstances, just causing structural damage easily.
As United States Patent (USP) the 4th, another shortcoming of known stop pin shown in No. 681389 is, because all elements of stop pin are in being arranged on the public plate along its long axis direction on the whole, and because stop pin is generally extremely thin, so when being subjected to one laterally or during the power of reversing, it is unstable that its individual plates surface can become.
Again, it is very complicated producing a kind of connector that comprises hundreds of butt possibly, so most connector body all is set as square; Therefore, if to obtain one and have enough big shoulder, to provide and to increase a series of procedure of processing be difficult, and can cause the increase of cost as the stable locating surface of the stop pin device in the known technology.
And any resistance that is run into when inserting this known fixed component all may cause this extremely thin plastics shoulder to break in the future or damage.Again, general thin plastics shoulder structure can't bear the operation of repeatedly inserting and extracting.The known fixed component of this kind structurally lacks globality may cause its unreliability that is electrically connected, and may make the useful life thereby the shortening of this electric connector.
Therefore, one preferably can have the structure of a high resilience in order to the modified form fixed component that an electric connector is fixed on a printed circuit board (PCB) or the similar substrate, and can not break or damage; Fixed component should have flexible, and both have bigger acceptable tolerance when inserting the circuit board plug-and-socket hole to allow.Preferably this fixed component can be easy to make and can be assembled in the multiple electric connector, so that can reduce complexity and the production cost of making.And, then can further increase the useful life of the electric connector that is equipped with above-mentioned fixed component if the fixed component of this electric connector can increase its plug ability that repeats on printed circuit board (PCB).
It is a kind of in order to fix an electric coupler component in last fixed components such as printed circuit board (PCB)s that first aspect, the utility model are to provide, and particularly comprises a plurality of electric contact terminals that are configured in the insulating body with the fixing electric connector of fixed component.This kind electric connector has an accepting hole respectively in its insulating body both ends usually, with the elastic part of this pluggable fixed component of pegging graft.
This fixed component system is made by the rubber-like material, includes: a horizontal base, a pair of chimeric arm separated from one another, this to chimeric arm by the two ends of horizontal base with the mode parallel to each other basically bending that meets at right angles upward; And the buckling foot that extends of a pair of bending that meets at right angles downwards along the long limit of one of this horizontal base at least.Should form a holding surface to extension buckling foot of downward bending, so that be held in the printed circuit board surface of deciding perpendicular to the plane that chimeric arm constituted of fixed component.Extend buckling foot downwards and be provided with the elastic side teat.
Chimeric arm respectively has an outside outstanding elasticity holding section, so that be sticked in the accepting groove of insulating body of this electric connector.Has an outstanding shoulder in this accommodating groove, to match, so that with firm being fixed on the printed circuit board (PCB) of this electric connector with the elasticity holding section of fixed component.
According on the other hand of the present utility model, the holding section has definite shape, and forming a small opening when making the shoulder that engages accepting groove can discharge solvent or water outside the connector fully.
The simple declaration of accompanying drawing:
Fig. 1 is the stereogram of the known electric connector with plastic casing.
Fig. 2 cording has the stereogram of electric connector of the fixed component of the utility model.
Fig. 3 A is the three-dimensional cutaway view in order to the electric connector insulating body accommodating groove that cooperates with the fixed component of the utility model.
Fig. 3 B system is according to the three-dimensional view of the accommodating groove of fixed component described in the utility model and electric connector insulating body.
Fig. 4 shows a known electrical connector body and an anchor post one-body molded with it.
Fig. 5 is the Knock-Down Component that shows the insertion section of electric connector that a foundation is described in the utility model and the plastic body that is mated.
Fig. 6 shows that one has the top view of the electric connector of fixed component described in the utility model.
Fig. 7 shows that one has the cutaway view of electric connector of the fixed component of the utility model.
Please refer to shown in Fig. 1 and Fig. 4, known electric connector 1 includes one by plastics or other the insulating body that insulating material constituted 3, this insulating body 3 has elongate slots 5, the end face that is arranged in electrical connector body of 7 one-tenth row of several jacks, and electric contact terminal is all arranged in each jack 7 to do to electrically contact with the circuit daughter board.These electric contact terminal (not shown) normally stretch out downwards from insulating body 3 bottoms.
One known fixed component generally includes at least one pillar 9 by the extension downwards of the bottom of insulating body 3, with fixing electric connector 1 on printed circuit board (PCB).This pillar 9 usually by plastics in integrated mode with insulating body 3 moulding.This pillar 9 fixes this electric connector 1 on printed circuit board (PCB) by the interference fit with the spliced eye of printed circuit board (PCB).And for fixing electric connector on printed circuit board (PCB), the bigger power of must executing is on the end face of insulating body 3, so that pillar 9 is inserted in the jack of printed circuit board (PCB)s.
As in common knowledge in this area, traditional press-fit fixed component is not because it has elasticity and unreliability thereof, and many shortcomings are arranged, because this pillar 9 is one-body molded with insulating body 3, therefore, when between pillar and circuit board plug-and-socket hole size or locational deviation being arranged, can't move or adjust.
As everyone knows, when electric connector 1 being assemblied in the process of printed circuit board (PCB), people must be very careful, in order to avoid damage this plastic support 9, any by change in size between pillar 9 and corresponding spliced eye (not shown) or the insertion force worked as of any discomfort distortion or the destruction that all may cause pillar 9 even, thus, then may make electric connector 1 become unreliable with relevant circuit daughter board or the electrical connection between printed circuit board (PCB).
Please refer to Fig. 2,3A, 5,6 and 7, in showing that wherein one includes the electric coupler component 10 of the fixed component of the utility model improvement, as Fig. 2 shown in, the side includes several contact terminals (not shown) under the electric connector 10; One insulating body 3 is generally plastics, includes several contact terminals and reaches in order to electric connector is installed to the fixed component 14 on the printed circuit board (PCB); This insulating body 3 include at least two accepting grooves 16 with the chimeric arm 18 of accommodating fixed component 14 in wherein; By can clearerly seeing in Fig. 3 B and 5 that this fixed component further includes a horizontal base 20 and be integral upwards two chimeric arms 18 of bending that this to chimeric arm 18 is and the upwards bending of the rectangular substantially parallel each other mode in the two ends of horizontal base 20 with it.A pair of buckling foot 22 is squarely downward bending basically along the long limit of one of this base portion 20; This buckling foot 22 has the periphery of a pair of holding part 24 with the jack (not shown) that is held in printed circuit board (PCB).
Please refer to Fig. 3 B, this fixed component further includes downward, protruding elasticity holding section 26, on the corresponding end face 30 of this elasticity holding section 26 in order to the interior shoulder 32 of the accepting groove 16 of the insulating body 3 that is sticked in the electric connector 10 shown in Fig. 3 and Fig. 3 B.A shoulder is respectively arranged in each accepting groove.For asking for simplicity, at this, two shoulders of this accommodating groove are only drawn one of them.
Fixed component 14 according to the utility model is to be inserted in its accepting groove 16, by seeing clearly among Fig. 3 B and Fig. 5 that this two parallel chimeric arm is firm being placed within the accepting groove 16 by the bottom of this insulating body 3.Accepting groove 16 also has shoulder 32 simultaneously to engage with outstanding holding section 26.Because this whole fixed component 14 is made by the elastomeric material (for example metal) of monolithic,, and make firm being positioned on the shoulder 32 of this fixed component energy so holding section 26 that should be outstanding can produce a pressure to the sidewall of accepting groove.
The primary flat of this chimeric arm 18 is parallel, and chimeric arm 18 firmly is matched with in the accepting groove 16, so can effectively resist extraneous torsion and horizontal stressed.These buckling foot 22 formed plane systems are orthogonal to the plane that is made of chimeric arm 18 and holding section 26, and the Fixed Design that constituted of pairwise orthogonal plane is positioned at the fixed component of single plane compared with all chimeric surfaces thus, more can resist extraneous torsion and horizontal stability is provided.Based on this, one is equipped with the electric connector according to fixed component 14 described in the utility model, can be more stable connect with printed circuit board (PCB) or circuit daughter board etc., this stability of having improved and the connection between printed circuit board (PCB), electric connector and any circuit daughter board that is attached thereto is stablized to the resistance that adds torsion or cross force.So also can increase the reliability of printed circuit board (PCB) of the fixed component of this use the utility model.
By can clearly comparing the different of traditional as shown in Figure 4 fixed component and the utility model among Fig. 3 B and Fig. 5; The fixed component of the utility model can be resisted torsion than known fixing pillar 9, and, system is made by flexible material because of the utility model, so can make plug that this electric connector can repeat in the spliced eye of printed circuit board (PCB) and be unlikely damage, so just can improve the useful life of this electric connector.The fixed component of the utility model also can reduce the cost of manufacturing simultaneously, because the size of the spliced eye that cooperates with fixed component on needn't accurate control printed circuit board.
Another advantage that make to go up of the utility model is, because of the fixed component 14 of the utility model is to be formed through punch process by single dull and stereotyped elastomeric material (for example metal).Certainly, fixed component 14 also can be selected to make with any elastomeric material, comprises plastics.As shown in Figure 7, the fixed component of the utility model also more any known fixed component in assembling is excellent.Known fixed component must be inserted by the top of electric connector usually, holds the shoulder of insulating body with button.
By contrast, in the utility model, chimeric arm 18 and holding section 26 thereof are to be inserted in the accepting groove 16 by the below of insulating body, and this electric connector is held by button within the electric connector in this holding section, and have exempted the shoulder that must make an insulating body in the known technology.The fixed component of the utility model can be applicable to any electric connector with a simple block profile, and must be not extra again be molded as an insulating body with outer shoulder, so the utility model also can effectively reduce production cost.
The utility model on the other hand, see also Fig. 6 and Fig. 7, when fixed component inserted in the accepting groove 16 of insulating body 3, this chimeric arm 18 and holding section 26 thereof also not exclusively were full of accepting groove 16, this holding section 26 is flexibly to be pressed against outside the accommodating groove 16 on the wall.As shown in Figure 6, flexibly outwards stretch to be sticked on the shoulder 32 holding section 26.As shown in Figure 7, holding section 26 also protrudes from the upper surface of shoulder 32.Thus, will stay a small opening 40 in this inserting groove 16, the purposes of this small opening 40 is after connector 10 is welded on the printed circuit board (PCB), when clean, cleaning fluid (for example water) is discharged outside the electric connector fully.Small opening 40 can make cleaning fluid discharge from connector 10 fully after assembling.And then can improve the reliability that electrically contacts between electric connector and printed circuit board (PCB).
Like this, the modified form fixed component is described in conjunction with most preferred embodiment.Should be understood that this member is not limited to the embodiment that is disclosed, be intended to contain the device of various remodeling included in the spirit and scope of the appended claims and equivalence on the contrary.For example in this preferred embodiment, this fixed component 14 is made with metal material, yet this fixed component 14 in fact can anyly have the material of enough elasticity and intensity to be made, even plastics.According to the fixed component of the utility model in being subjected to laterally or during the power of reversing, can have preferable stability, and any those skilled in the art, when can be under spirit that does not break away from the utility model and feature, the utility model is done a little modification and retouching, therefore, though the utility model is disclosed in a preferable embodiment, the scope of right the utility model ought not should as limit, and should be scope with the requestor of institute in the claim.
Claims (15)
1, a kind of electric connector with modified form fixed component can be fixed on printed circuit board (PCB) or the similar substrate, it is characterized in that including:
One has several jacks in insulating body wherein, and each jack is in order to accommodate the corresponding contact portion of circuit board etc.;
Several terminals, each terminal all links to each other with corresponding jack, to connect with printed circuit board (PCB) etc.;
One fixed component, has a first end that can insert the corresponding accepting hole on the aforementioned insulating body, so that make this insulating body have certain tight support base portion, and has its long axis direction becomes the configuration of essence quadrature with first end a the second end, it can optionally insert or shift out the corresponding inserting groove that is positioned on the printed circuit board (PCB) in, fixes on the printed circuit board (PCB) so that this insulating body can be stable really.
2, according to the electric connector with modified form fixed component of claim 1, it is characterized in that described insulating body accommodates the accepting hole of the first end of this fixed component and have a small opening, unnecessary cleaning fluid can be discharged when being welded on the described printing path plate with convenient electric connector.
3, according to the electric connector with modified form fixed component of claim 1, it is characterized in that described fixed component first end has two elastic protrusion part at least, and the accepting hole of accommodating this fixed component comprises a shoulder, so that chimeric this outside protuberance, and make this fixed component be fixed to position constant on the insulating body with respect to the essence of described fixed component.
4, a kind of electric connector with modified form fixed component repeatably is fixed on printed circuit board (PCB) or the similar substrate, it is characterized in that including:
One insulating body has a first surface, a base portion and extend through several perforation between this first surface from this base portion, and each perforation has a corresponding electric contact terminal at least through therebetween;
Several terminals stretches out from this base portion, each terminal have at least one contact site with corresponding printed circuit board (PCB) on contact site be electrically connected;
Several jacks are located on the first surface, and each jack has at least one contact site and is electrically connected with the contact site with corresponding circuit daughter board etc.;
One flexible fixed component is in order to fix this base portion on printed circuit board (PCB), it has a base portion that can insert this insulating body so that the first end of a firm support foot to be provided, and a second end that is orthogonal in the long axis direction of its first type surface and aforementioned first end, this second end is applicable to the described base portion of described insulating body is repeated to be fixed on the described printed circuit board (PCB).
According to the electric connector with modified form fixed component of claim 4, it is characterized in that 5, this fixed component system is made by metal material.
According to the electric connector with modified form fixed component of claim 4, it is characterized in that 6, this fixed component system is made by flexible plastics.
7, a kind of electric connector with modified form fixed component, can be fixed on printed circuit board (PCB) or the similar substrate, the insulating body that it is characterized in that this electric connector has several holes, each hole in order to the terminal of accommodating at least one correspondence in the several terminals in wherein, this insulating body further comprises at least one accepting hole to accommodate this fixed component in it, and the fixed component of this modified form further includes;
One base portion;
A pair of two ends at this base portion are with right angle and separated from one another and be the upwardly extending fixed arm of the parallel mode of essence; Each arm has the edge of a hangnail portion with chimeric this accepting hole at least;
The fixing feet of a pair of separated from one another and bending that meets at right angles downwards along the long limit of one of this base portion, this fixing feet comprises the side direction protuberance so that be fixed in the edge of corresponding aperture on the printed circuit board (PCB), and can optionally fix this insulating body on this circuit board.
8,, it is characterized in that this has outward extending maintenance teat to upwardly extending fixed arm on its end, to be fixed in the edge of the corresponding accepting hole on this electric connector according to the electric connector with modified form fixed component of claim 7.
9, the electric connector that has the modified form fixed component according to Claim 8, it is characterized in that, have a corresponding shoulder in the accepting hole of this electric connector, this fixed component is securely fixed in this electric connector so that fix this outward extending maintenance teat.
10,, it is characterized in that this fixed arm, fixing feet and maintenance teat are integrally formed by the single metal plate part according to the electric connector with modified form fixed component of claim 9.
11,, it is characterized in that this fixed arm, fixing feet and maintenance teat are integrally molded into by monolithic synthetic resin material according to the electric connector with modified form fixed component of claim 9.
12, a kind of electric connector with modified form fixed component, can be fixed on a printed circuit board (PCB) or the similar substrate, including one in this electric connector has a plurality of perforation and runs through wherein insulating body, each perforation has at least one corresponding electric contact terminal in wherein, one portion of terminal at the two ends of each perforation and a jack portion, and this insulating body further has at least one accepting hole so that accommodate this fixed component in wherein, it is characterized in that this fixed component includes:
One base portion;
The upwardly extending elastic arm in a pair of two ends by this base portion, arbitrary elastic arm all can be properly located in the accepting hole on this insulating body;
A pair of maintenance pin at right angles along the long limit of one of this base portion is directed downwards extension, and this is positioned at the surface that becomes the plane of essence quadrature with the plane that elastic arm constituted that this extends upward to keeping pin to limit one;
Each keeps having at least one side direction protuberance on pin, so that be embedded in the corresponding inserting groove on this printed circuit board (PCB).
13, according to the electric connector with modified form fixed component of claim 12, it is characterized in that, on the fixed component accepting hole that runs through on this insulating body wherein, have a small opening, can be when being welded on the printed circuit board (PCB) with outside the unnecessary cleaning fluid tap with convenient electric connector.
According to the electric connector with modified form fixed component of claim 12, it is characterized in that wherein that 14, this fixed component is through being stamped to form by unitary piece of metal sheet material.
According to the electric connector with modified form fixed component of claim 12, it is characterized in that 15, wherein, this fixed component system is by the integrally moulded shaping of synthetic resin material of monolithic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92243671 CN2158141Y (en) | 1992-12-03 | 1992-12-03 | Electric connector with improved fixed structural unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92243671 CN2158141Y (en) | 1992-12-03 | 1992-12-03 | Electric connector with improved fixed structural unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2158141Y true CN2158141Y (en) | 1994-03-02 |
Family
ID=33783146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92243671 Expired - Lifetime CN2158141Y (en) | 1992-12-03 | 1992-12-03 | Electric connector with improved fixed structural unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2158141Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100350679C (en) * | 2002-02-12 | 2007-11-21 | 蒂科电子公司 | Electric connector with slope preventing characteristic member to prevent slope in assembling |
| CN102684015A (en) * | 2011-03-08 | 2012-09-19 | 富士通株式会社 | Connector fixation metal fitting and connector |
| CN114207283A (en) * | 2019-08-09 | 2022-03-18 | Vhit私人股份有限公司 | Rotor and pump comprising such a rotor |
-
1992
- 1992-12-03 CN CN 92243671 patent/CN2158141Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100350679C (en) * | 2002-02-12 | 2007-11-21 | 蒂科电子公司 | Electric connector with slope preventing characteristic member to prevent slope in assembling |
| CN102684015A (en) * | 2011-03-08 | 2012-09-19 | 富士通株式会社 | Connector fixation metal fitting and connector |
| CN114207283A (en) * | 2019-08-09 | 2022-03-18 | Vhit私人股份有限公司 | Rotor and pump comprising such a rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |