CN2918164Y - Lower guard board device for engine - Google Patents
Lower guard board device for engine Download PDFInfo
- Publication number
- CN2918164Y CN2918164Y CN 200620061830 CN200620061830U CN2918164Y CN 2918164 Y CN2918164 Y CN 2918164Y CN 200620061830 CN200620061830 CN 200620061830 CN 200620061830 U CN200620061830 U CN 200620061830U CN 2918164 Y CN2918164 Y CN 2918164Y
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- China
- Prior art keywords
- backplate
- lower guard
- sub
- guard plate
- locking cam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a lower guard plate device for engines, which comprises an engine arranged on an automobile body, a lower guard plate arranged under the engine. The lower guard plate device comprises a split type lower guard plate and a lock mechanism connected with the split type lower guard plate. The split type lower guard plate comprises a front lower guard plate, which is arranged under the engine and connected with the automobile body, and a rear lower guard plate; a middle lower guard plate is arranged between the front lower guard plate and the rear lower guard plate, and the middle lower guard plate is hitched to the front lower guard plate and the rear lower guard plate; the lock mechanism for locking the middle lower guard plate is arranged on the front lower guard plate or the rear lower guard plate. When the engine has to fall downwards according to the safety program due to outside force impact to the automobile body or self inertia, the middle lower guard plate, which is subject to the downward force of the engine, pulls off rapidly and does not affect or hinder the engine falling downwards, as the middle lower guard plate is hitched upwards to the front lower guard plate and the rear lower guard plate, and the engine is then stopped from moving into the automobile body to endanger the safety of the driving staff inside the automobile. The utility model has the advantages of simple and reasonable structure, rapid installation and dismantlement, flexible operation and firm connection.
Description
Technical field
The utility model relates to a kind of engine lower guard board device, particularly car engine lower guard board device.
Background technology
In order to prevent that weeds, rubble, dust or soil block from entering position, automotive engine place, be arranged with down backplate in driving engine, common following backplate is an one-piece construction, is divided into plastics or cold bundle steel plate etc. on the material.Backplate under the plastics is because inertia in light weight is little, low cost of manufacture, and shockproof noise and meet the safety Design of automobile is adopted by most American-European automobile vendor.But, for the current condition of road surface of China, scratching chassis during running car, and even the phenomenon of the link-driving engine of scratching automobile most fragile ubiquity all; Under this situation, backplate does not have any protective effect under the plastics, and very easily is damaged, if change genuine part then the expense costliness this moment.Therefore, the automobile of most Japan and Korea S system comprises that also domestic car does not adopt this device, even the America and Europe of guard plate apparatus is that automobile has also been abandoned this device after by production domesticization under this plastics of original a large amount of employings.
Yet the integral type engine lower guard board of some steels has appearred in the domestic market demand that exists great automotive engine protection device after all on the therefore domestic automobile repacking market.Though this integral type engine lower guard board can play the certain protection effect; but also have bigger potential safety hazard: because the most automotive engine of most automobile is arranged on Vehicular body front; when automotive front bumps; when driving engine is in safe design and requires down to drop; backplate is owing to having blocked moving down of driving engine with the excessive Joint strenght of subframe under this integral type; and then car of turning direction is inner mobile, and this mobile change will directly jeopardize the life security of driving personnel in the automobile.In addition, also there is more shortcoming in the use in the integral type engine lower guard board of this steel: the integral type engine lower guard board must adopt some thicker being bolted on the subframe when installing, but in order to improve the work efficiency of the dismounting of maintenance maintenance at ordinary times, on this integral type engine lower guard board, be provided with several openings and vent window, this many opening settings must prevent fully that weeds, rubble, dust or soil block from entering position, automotive engine place, sacrificed the basic goal that engine lower guard board is set; Consideration based on cost and weight aspect, the direct punching press of steel plate that this integral type engine lower guard board adopts 1.5mm-2.0mm more is made, yet for span scope is the driving engine protection position of 50-80cm, its intensity is obviously not enough, and its external force resistance impacts the impaired effect of release driving engine and performs practically no function; And, (Joint strenght at this position is as much as possible little in automobile vendor's designing requirement of America and Europe system though this integral type engine lower guard board has bigger Joint strenght in vertical direction and subframe, the weight and the inertia that only satisfy engine lower guard board self require), but horizontal direction is in relaxed state, causes this kind design-calculated device to produce resonance under the vibrations that vibrations that vehicle traveling process produces or driving engine produce easily or bumps with other position, chassis and produce sound; And because this integral type engine lower guard board is not provided with shock absorber, when vertical direction is subjected to the external force effect and is out of shape, it is inevitable in the equal pulling force of horizontal direction generation, and this pulling force may cause coupled subframe to produce gross distortion even thoroughly be damaged.
The utility model content
For overcoming above-mentioned weak point, the utility model provides that a kind of minute body structure, loading and unloading are quick, flexible operation, the firm engine lower guard board device of connection, to overcome weak point of the prior art.
By a kind of engine lower guard board device of this purpose design-calculated, comprise the driving engine that is arranged on the car body, be arranged on the following backplate driving engine under, it is characterized in that time guard plate apparatus comprise backplate under the split and with split under the catch gear that joins of backplate.
Backplate comprises and being arranged under the driving engine under the above-mentioned split, the preceding down backplate or the front frame that join with car body, with backplate or after poppet under the back, before down backplate or front frame and back be provided with between backplate or the after poppet down articulate or peg graft in backplate down, preceding backplate down or front frame or back backplate or after poppet down are provided with in the locking catch gear of backplate down.
Above-mentioned catch gear comprises the sub-supporting plate of slip that is arranged on the preceding following backplate left and right sides, the corresponding sub-supporting plate that slides of preceding backplate down is provided with slide rail, the sub-supporting plate that slides is provided with spring, and spring one end is resisted against on the sub-supporting plate that slides, and the other end is resisted against on the spacing rib of preceding backplate down; Horizontally slipping is respectively arranged with left locking cam and right locking cam on the sub-supporting plate, and left locking cam and right locking cam are hinged on the sub-supporting plate that slides by the center shaft that is arranged on its rotating shaft center; Be provided with the connecting rod of lateral arrangement between left side locking cam and the right locking cam, connecting rod one end is hinged on right locking cam eccentric part, its other end is hinged on the rotating shaft center of left locking cam by a cam stirrup, the side of left side locking cam and right locking cam is resisted against respectively on the drop-down bridge pulley of preceding backplate down, the corresponding drop-down bridge pulley of preceding backplate down position is provided with chute, drop-down bridge pulley is crimped on the chute, join with the head of pulling-rod frame slide block once, two ends, the drop-down bridge slide block left and right sides play an end of two lower links at the backplate back side to join respectively with before being arranged on, the other end of two lower links respectively with in down backplate join, in down backplate with the grafting of preceding backplate down or articulate.
Above-mentioned slide rail comprises the guiding flanging and the sub-pallet guide that slides that is arranged on the preceding backplate down, the card that limit, the sub-supporting plate left and right sides slides of sliding be pressed in the guiding flanging and the sub-pallet guide that slides under, below the spacing rib of the insertion horizontally set that slides in the sub-supporting plate end of sliding.
The sub-pallet guide of above-mentioned slip is provided with the guiding that is used for crimp spring and presses tongue, and the sub-pallet guide that slides is fixed on down on the backplate by screw or rivet; The cross section of drop-down bridge slide block is several fonts.
The corresponding spring of the sub-supporting plate of above-mentioned slip is provided with groove, be provided with mounted elastically projection in the groove, the corresponding spring of preceding backplate down is provided with assembling groove, and the assembling groove side is provided with the arc holder tongue that holder connects spring, with mounted elastically locator protrusions, groove and assembling groove are corresponding up and down.
The center shaft that above-mentioned left locking cam and right locking cam are set at the chute opposite side passes chute successively, be hinged on the sub-supporting plate that slides behind the sub-supporting plate that slides, and corresponding center shaft position, chute both sides is provided with guide lip; Left side locking cam is provided with the arc locking slot, is provided with the cam lock shotpin in this arc locking slot.
Corresponding lower link assembling place of above-mentioned drop-down bridge slide block is provided with the pull bar open slot of grafting usefulness, in down the corresponding lower link of backplate be provided with the profile hole of strip.
In above-mentioned down backplate plate one end be provided with preceding backplate down peg graft to pin, this on plug-in pin and the preceding backplate down after punching press outstanding spacing rib match, in down the backplate other end be provided with after under the backplate assembly opening match to plug-in pin.
Preceding backplate or front frame down in the utility model, with backplate or after poppet under the back, can be arranged to separately join with car body again behind plate or the support, also can be directly and car body be linked to be and be one, before down backplate or front frame and back be provided with between backplate or the after poppet down articulate or peg graft in backplate down, in removing, down can carry out corresponding operating to driving engine and associated components thereof behind the backplate, in down backplate by before being arranged on down backplate or front frame or back down the catch gear on backplate or the after poppet locked.
Catch gear in the utility model is the eccentric cam catch gear of a band buffering, backplate or front frame under before backplate is assembled to down in handle, and the back is down between backplate or the after poppet time, in down backplate by its go up be provided with to pin and to plug-in pin respectively with preceding backplate or front frame down, join with backplate or after poppet under the back, and then the left locking cam that drives on the left of being arranged on by rotary middle spindle rotates, the drop-down bridge pulley that left side locking cam promotes to join with it moves down, because left locking cam and right locking cam join by connecting rod, the drop-down bridge pulley that right locking cam also promotes to join with it moves down simultaneously; Drop-down bridge pulley and drop-down bridge slide block join, and lower link one end and drop-down bridge slide block join, then the lower link other end then just tension join with it in following backplate, thereby in improving down backplate and preceding under the Joint strenght of backplate or front frame; Since in down backplate or after poppet join down the backplate other end and back, so, before whole down backplate or front frame, in backplate or after poppet fuse down backplate and back down, guaranteed its bonded assembly degree of reliability, the anti-ability of upwards impacting in backplate side down under in also having improved, prevent in the driving process that the soil block or the stone that splash impact engine body, have improved traffic safety.
When car body is subjected to external force collision or because self inertia when causing driving engine to drop by security procedure downwards, since in down backplate articulate up, in down backplate under the downward application force of driving engine, very little external force just causes it to come off, can not influence or stop that driving engine drops downwards, thereby prevent that driving engine is inner mobile to car body, the safety that jeopardizes driving personnel in the automobile.
In the middle of when down backplate is subjected to less impact and produces local deformation, before being arranged on down backplate or front frame or back down the eccentric cam catch gear of the band buffering on backplate or the after poppet will bring into play the effect of its buffering.Because left locking cam and right locking cam are hinged on the sub-supporting plate that slides, and on the preceding backplate down of being arranged on of sub-supporting plate slip of sliding, spring one end that is provided with on the sub-supporting plate that slides is resisted against on the sub-supporting plate that slides, before its other end is resisted against down on the spacing rib of backplate; In down backplate produce distortion and will drive connected lower link and move, drive the sub-supporting plate that slides by lower link again and move, spring is compressed to cushion external impacts; When external force was eliminated, spring extended naturally, continued in the tension backplate down by lower link, in the assurance down backplate with preceding under the reliable of backplate be connected.When running car finishes, can according in time backplate during down the damaged degree of backplate is repaired or changed, simple and efficient.
The utility model is simple and reasonable, loading and unloading are quick, flexible operation, connection are firm, noise is low in the driving process.
Description of drawings
Fig. 1 is the utility model one embodiment mounting structure scheme drawing.
Fig. 2 is another angle mounting structure scheme drawing of Fig. 1.
Fig. 3 is the utility model assembled state structural representation.
Fig. 4 is another angle mounting structure scheme drawing of Fig. 3.
Fig. 5 is an A-A sectional structure scheme drawing among Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Among the figure, 1 is back backplate down, and 1.1 is assembling groove, 2 be in following backplate, 2.1 is to pin, 2.2 is to plug-in pin, 2.3 be profile hole, 3 is preceding backplate down, 3.1 is spacing rib, 3.2 be assembling groove, 3.2.1 is the holder tongue, 3.2.2 is a locator protrusions, 3.3 be chute, the 3.3.1 guide lip, 3.4 are the guiding flanging, 4 is lower link, and 5 is drop-down bridge slide block, and 5.1 is the pull bar open slot, 6 is drop-down bridge pulley, and 7 are the sub-pallet guide that slides, and 7.1 are guiding pressure tongue, 8 are the sub-supporting plate that slides, and 8.1 is spring, and 8.2 is groove, 8.2.1 be projection, 9 is connecting rod, 10 is right locking cam, 11 is the cam stirrup, 12 is the interlock connecting rod end, and 13 is center shaft, and 14 is left locking cam, 14.1 be the arc locking slot, 15 is the cam lock shotpin.
Referring to Fig. 1-Fig. 5, this engine lower guard board device comprises the driving engine that is arranged on the car body, is arranged on the following backplate under the driving engine, following guard plate apparatus comprise backplate under the split and with split under the catch gear that joins of backplate.Backplate comprises and being arranged under the driving engine under the split, play backplate with preceding following backplate and back that car body joins, before down backplate and back be provided with between the backplate down articulate or peg graft in backplate down, in down backplate plate 2 one ends be provided with preceding backplate down 3 peg graft to pin 2.1, this on pin 2.1 and the preceding down backplate 3 after punching press outstanding spacing rib 3.1 match, in down backplate 2 other ends be provided with match with backplate 1 assembly opening 1.1 under the back to plug-in pin 2.2.The catch gear of backplate under backplate is provided with in the locking under preceding.
This catch gear comprises the sub-supporting plate 8 of slip that is arranged on preceding following backplate 3 left and right sides, the preceding 3 corresponding sub-supporting plates 8 that slide of backplate down are provided with slide rail, slide rail comprises the guiding flanging 3.4 and the sub-pallet guide 7 that slides that is arranged on the preceding backplate 3 down, the card that limit, sub-supporting plate 8 left and right sides slides of sliding is pressed in guiding flanging 3.4 and the sub-pallet guide 7 times of sliding, slide below the spacing rib 3.1 of the insertion horizontally set that sub-supporting plate 8 ends slide, see Fig. 1-Fig. 5.
The sub-supporting plate 8 that slides is provided with spring 8.1, and spring 8.1 1 ends are resisted against on the sub-supporting plate 8 that slides, and the other end is resisted against on the spacing rib 3.1 of preceding backplate 3 down; Horizontally slipping is respectively arranged with left locking cam 14 and right locking cam 10 on the sub-supporting plate 8, and left locking cam 14 and right locking cam 10 are hinged on the sub-supporting plate 8 that slides by the center shaft 13 that is arranged on its rotating shaft center; The center shaft 13 that a left side locking cam 14 and right locking cam 10 are set at chute 3.3 opposite sides passes chute 3.3 successively, be hinged on the sub-supporting plate 8 that slides behind the sub-supporting plate 8 that slides, the sub-supporting plate 8 corresponding springs 8.1 that slide are provided with groove 8.2, be provided with the projection 8.2.1 of assembling spring 8.1 in the groove 8.2, preceding backplate 3 corresponding springs 8.1 down are provided with assembling groove 3.2, assembling groove 3.2 sides are provided with the arc holder tongue 3.2.1 that holder connects spring 8.1, locator protrusions 3.2.2 with assembling spring 8.1, groove 8.2 and assembling groove are corresponding about in the of 3.2, see Fig. 1 and Fig. 2.
Corresponding center shaft 13 positions, chute 3.3 both sides are provided with guide lip 3.3.1; Left side locking cam 14 is provided with arc locking slot 14.1, is provided with cam lock shotpin 15 in this arc locking slot 14.1.The sub-pallet guide 7 that slides is provided with the guiding that is used for crimp spring 8.1 and presses tongue 7.1, and the sub-pallet guide 7 that slides is fixed on down on the backplate 3 by screw or rivet, sees Fig. 1 and Fig. 2.
Be provided with the connecting rod 9 of lateral arrangement between left side locking cam 14 and the right locking cam 10, connecting rod 9 one ends are hinged on right locking cam 10 eccentric parts, its other end is hinged on the rotating shaft center of left locking cam 14 by a cam stirrup 11, the side of left side locking cam 14 and right locking cam 10 is resisted against respectively on the drop-down bridge pulley 6 of preceding backplate 3 down, connecting rod 9 joins with left locking cam 14 and right locking cam 10 respectively by interlock connecting rod end 12 respectively, sees Fig. 1-Fig. 4.
Preceding backplate 3 corresponding drop-down bridge pulleys 6 positions down are provided with chute 3.3, drop-down bridge pulley 6 is crimped on the chute 3.3, the head that is the drop-down bridge slide block 5 of several fonts with a cross section joins, two ends, drop-down bridge slide block 5 left and right sides play an end of two lower links 4 at backplate 3 back sides to join respectively with before being arranged on, the other end of two lower links 4 respectively with in down backplate 2 join, in down backplate 2 peg graft with preceding backplate down 3 or articulate.Drop-down bridge slide block 5 corresponding lower link 4 assemblings place are provided with the pull bar open slot 5.1 of grafting usefulness, in down the backplate 2 corresponding lower links profile hole 2.3 that is provided with strip see Fig. 1-Fig. 4.
Claims (10)
1. an engine lower guard board device comprises the driving engine that is arranged on the car body, is arranged on the following backplate under the driving engine, it is characterized in that described down guard plate apparatus comprise backplate under the split and with split under the catch gear that joins of backplate.
2. engine lower guard board device according to claim 1, it is characterized in that backplate comprises under the described split is arranged under the driving engine, the preceding down backplate or the front frame that join with car body, with backplate or after poppet under the back, before down backplate or front frame and back be provided with between backplate or the after poppet down articulate or peg graft in backplate down, preceding backplate down or front frame or back backplate or after poppet down are provided with in the locking catch gear of backplate down.
3. engine lower guard board device according to claim 2, it is characterized in that described catch gear comprises the sub-supporting plate of slip (8) that is arranged on preceding following backplate (3) left and right sides, the corresponding sub-supporting plate that slides of preceding backplate down is provided with slide rail, the sub-supporting plate that slides is provided with spring (8.1), spring one end is resisted against on the sub-supporting plate that slides, and the other end is resisted against on the spacing rib (3.1) of preceding backplate down; Horizontally slipping is respectively arranged with left locking cam (14) and right locking cam (10) on the sub-supporting plate, and left locking cam and right locking cam are hinged on the sub-supporting plate that slides by the center shaft (13) that is arranged on its rotating shaft center; Be provided with connecting rod (9) between left side locking cam and the right locking cam, connecting rod one end is hinged on right locking cam eccentric part, its other end is hinged on the rotating shaft center of left locking cam (14) by a cam stirrup (11), the side of left side locking cam and right locking cam is resisted against respectively on the drop-down bridge pulley (6) of preceding backplate down, the corresponding drop-down bridge pulley of preceding backplate down position is provided with chute (3.3), drop-down bridge pulley is crimped on the chute, join with the head of pulling-rod frame slide block (5) once, two ends, the drop-down bridge slide block left and right sides play an end of two lower links (4) at the backplate back side to join respectively with before being arranged on, the other end of two lower links respectively with in down backplate (2) join, in down backplate with the grafting of preceding backplate down or articulate.
4. engine lower guard board device according to claim 3, it is characterized in that described slide rail comprises the guiding flanging (3.4) and the sub-pallet guide (7) that slides that is arranged on the preceding backplate (3) down, the card that sub-supporting plate (8) limit, the left and right sides slides of sliding be pressed in the guiding flanging and the sub-pallet guide that slides under, below the spacing rib (3.1) of the insertion horizontally set that slides in the sub-supporting plate end of sliding.
5. engine lower guard board device according to claim 4, it is characterized in that the sub-pallet guide of described slip (7) is provided with the guiding that is used for crimp spring (8.1) and presses tongue (7.1), the sub-pallet guide that slides is fixed on down on the backplate (3) by screw or rivet; The cross section of drop-down bridge slide block (5) is several fonts; Connecting rod (9) lateral arrangement.
6. engine lower guard board device according to claim 3, it is characterized in that the corresponding spring of the sub-supporting plate of described slip (8) (8.1) is provided with groove (8.2), be provided with mounted elastically projection (8.2.1) in the groove, the preceding corresponding spring of backplate (3) (8.1) down is provided with assembling groove (3.2), the assembling groove side is provided with the arc holder tongue (3.2.1) that holder connects spring, with mounted elastically locator protrusions (3.2.2), groove and assembling groove are corresponding up and down.
7. engine lower guard board device according to claim 3, it is characterized in that the center shaft (13) that described left locking cam (14) and right locking cam (10) are set at chute (3.3) opposite side passes chute successively, be hinged on the sub-supporting plate that slides behind the sub-supporting plate (8) that slides that corresponding center shaft position, chute both sides is provided with guide lip (3.3.1); Left side locking cam (14) is provided with arc locking slot (14.1), is provided with cam lock shotpin (15) in this arc locking slot.
8. engine lower guard board device according to claim 3, it is characterized in that the corresponding lower link of described drop-down bridge slide block (5) (4) assembling place is provided with the pull bar open slot (5.1) of grafting usefulness, in down the corresponding lower link of backplate (2) be provided with the profile hole (2.3) of strip.
9. engine lower guard board device according to claim 3 is characterized in that described connecting rod (9) joins with left locking cam (14) and right locking cam (10) respectively by interlock connecting rod end (12) respectively.
10. engine lower guard board device according to claim 3, it is characterized in that described in down backplate plate (2) one ends be provided with preceding backplate (3) down peg graft to pin (2.1), this is gone up spacing rib (3.1) outstanding after punching press to plug-in pin (2.1) and preceding down backplate (3) and matches, in down backplate (2) other end be provided with match with backplate (1) assembly opening (1.1) under the back to plug-in pin (2.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620061830 CN2918164Y (en) | 2006-07-16 | 2006-07-16 | Lower guard board device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620061830 CN2918164Y (en) | 2006-07-16 | 2006-07-16 | Lower guard board device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2918164Y true CN2918164Y (en) | 2007-07-04 |
Family
ID=38215974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620061830 Expired - Fee Related CN2918164Y (en) | 2006-07-16 | 2006-07-16 | Lower guard board device for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2918164Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210560A (en) * | 2014-08-30 | 2014-12-17 | 常州市盛发灯泡厂 | Comprehensive sand-gravel barrier |
| CN105172708A (en) * | 2015-10-14 | 2015-12-23 | 无锡市永亿精密铸造有限公司 | Detachable and replaceable insertion plate type engine protection plate |
| CN107284384A (en) * | 2016-04-13 | 2017-10-24 | 宝沃汽车（中国）有限公司 | A kind of engine lower guard board control method and its device |
-
2006
- 2006-07-16 CN CN 200620061830 patent/CN2918164Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210560A (en) * | 2014-08-30 | 2014-12-17 | 常州市盛发灯泡厂 | Comprehensive sand-gravel barrier |
| CN105172708A (en) * | 2015-10-14 | 2015-12-23 | 无锡市永亿精密铸造有限公司 | Detachable and replaceable insertion plate type engine protection plate |
| CN107284384A (en) * | 2016-04-13 | 2017-10-24 | 宝沃汽车（中国）有限公司 | A kind of engine lower guard board control method and its device |
| CN107284384B (en) * | 2016-04-13 | 2019-07-23 | 宝沃汽车（中国）有限公司 | A kind of engine lower guard board control method and its device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070704 |