CN1990289A - Strut mount - Google Patents
Strut mount Download PDFInfo
- Publication number
- CN1990289A CN1990289A CN 200610170555 CN200610170555A CN1990289A CN 1990289 A CN1990289 A CN 1990289A CN 200610170555 CN200610170555 CN 200610170555 CN 200610170555 A CN200610170555 A CN 200610170555A CN 1990289 A CN1990289 A CN 1990289A
- Authority
- CN
- China
- Prior art keywords
- spring
- strut mount
- strut
- support member
- elastic body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
A strut mount disposed between a body panel and a strut rod comprises an outer member connected to the body panel, an inner member connected to the strut rod, an elastically deformable elastomer disposed so as to connect the outer member and the inner member, and a spring bearing portion formed by extending a part of the outer member outward in a flange form so as to support an end portion of a spring disposed along with the strut rod.
Description
Technical field
The present invention relates to the vibration of a kind of absorption strut bar (strut rod) and can be applied to strut mount (strut mount) on the vehicle suspension, as member bearing, vehicle body strut member etc.
Background technology
Known on vehicles such as automobile, draft hitch is arranged between wheel and the vehicle body, and strut mount is arranged in the place, end of the strut bar of the energy disperser in the draft hitch.As the strut mount that supports vehicle body, there is structure as disclosed conventional art shown in Figure 5 among JP-U-H01-134502, JP-U-H02-253026 and the JP-A-2005-299737.Hereinafter this conventional art is described with reference to this figure.
Strut mount shown in Figure 5 has following structure: the elastic body of being made by rubber bodies 116 is arranged in INT COMP 112 and between the external member 114 of INT COMP 112 outer circumferential sides.In addition, external member 114 is installed on the vehicle body cladding plate 120 that constitutes a vehicle body part.In addition, the support 118 that is installed to INT COMP 112 bottoms supports the upper end of wind spring 124, and described wind spring 124 is arranged to spiral winding around strut bar 122.
Yet, in above-mentioned conventional construction, the upper end of wind spring 124 is supported by support 118, make if make the travelling comfort of the length lengthening of wind spring 124 with the raising vehicle, then need to increase height H as distance between the upper and lower side of the draft hitch that comprises strut mount, but because there is restriction in height H, it is longer that the length of wind spring 124 can not be made, so the defective of conventional construction is to have sacrificed travelling comfort.
Summary of the invention
At above-mentioned situation, the purpose of this invention is to provide a kind of strut mount that can under the situation that does not increase the draft hitch height, improve travelling comfort.
Strut mount according to the present invention is the strut mount that is arranged between vehicle body cladding plate and the strut bar, and it comprises the external member that links to each other with the vehicle body cladding plate, links to each other with strut bar and be positioned at the INT COMP of external member inboard, the elastic body of elastically deformable that is arranged to be connected external member and INT COMP and the spring support member that stretches out and form with the end of supporting the spring that is arranged in juxtaposition with strut bar with flange forms by a part that makes external member.
Below will the function according to strut mount of the present invention be described.
In the present invention, it is inboard and link to each other with strut bar that INT COMP is positioned at the external member that links to each other with the vehicle body cladding plate.In addition, the elastic body of elastically deformable is arranged to connect these outsides and INT COMP.In addition, the part by making external member supports the end of the spring that is arranged in juxtaposition with strut bar with the stretch out spring support member that forms of flange forms.
Therefore, if having for example large amplitude and low-frequency vibration from the wheel side transmission, then these vibrations are delivered to INT COMP by strut bar so that the elastic body distortion.As a result, vibration is absorbed and decay by the resistance based on elastomeric internal friction, makes vibration be difficult to be delivered to the vehicle body cladding plate that links to each other with external member.On the other hand, if having for example little amplitude and high-frequency vibration from the wheel side transmission, then these vibrations are delivered to the spring support member of external member support spring end by spring.
In the present invention, the stent support on the INT COMP be can't help to be installed in the end of spring, makes the height of draft hitch can not become big.As a result, in order to improve the travelling comfort of vehicle, it is longer that the length of spring can be made.On the other hand, the height of draft hitch can dwindle to reduce the working height of vehicle, can improve the degree of freedom of vehicle design thus.
On the other hand, although the present invention is the strut mount that body side is not had directly fixing type, it has the structure of the vibration input being assigned to elastic body and spring support member.Therefore, be easy to regulate the elastomeric elastic strength that constitutes strut mount, thereby can easily improve the travelling comfort of vehicle.As mentioned above, according to the strut mount that is arranged between vehicle body cladding plate and the strut bar, can not increase the height of draft hitch and improve the travelling comfort of vehicle.
In a preferred embodiment of the invention, elasticity support sector is arranged in the position relative with spring end of spring support member.
In the present embodiment, elasticity support sector covers elasticity support sector by the elastomeric material with for example elastically deformable and is arranged in the spring support member position relative with spring end, the acoustic vibration in the time of can reducing the spring action thus.On the other hand, can regulate the elastic strength of the elasticity support sector in the spring support member of the elastomeric elastic strength of supported bar and support spring separately.
In another preferred embodiment of the present invention, elastic body is integrally formed with identical elastomeric material with elasticity support sector.
In the present embodiment, elasticity support sector is to use elastomeric material identical with elastic body and elastic body integrally formed from the form of elastic body extension, spring support member can be covered by the elasticity support sector that links to each other with elastic body under the state that is in elastically deformable thus, and the acoustic vibration can reduce spring move under the situation that does not increase productive costs the time.
In another preferred embodiment of the present invention, elastic body and elasticity support sector form separately with elastomeric material separately.
In the present embodiment, elasticity support sector covers elasticity support sector by the elastomeric material with for example elastically deformable and is arranged in the spring support member position relative with spring end, the acoustic vibration in the time of can reducing the spring action thus.In addition, because the member of being made by General Purpose Rubber can be used as elastic component, therefore when changing material, can not cause the increase of productive costs along with the structure variation of strut mount.
On the other hand, elastic body and elasticity support sector construct separately, make to need not by sulfuration with them and external member is bonding is integral.Therefore as a result, the mandatory requirement external member does not have and is used for by sulfuration the bonding all-in-one-piece complicated shape of elastic body and elasticity support sector can be reduced the productive costs of strut mount.
In another preferred embodiment of the present invention, the locking part that is used for the retainer spring end is arranged on external member and the contiguous part of spring support member.In this case, make the position stability of spring end, even make the displacement that under the situation that the vibration of large amplitude is imported, also can not cause spring end by locking part.
In another preferred embodiment of the present invention, bearing arrangment is in the spring support member part relative with spring end, by this bearing spring end is contacted with spring support member.
In this case, bearing arrangment is between spring end and spring support member, even make under the situation that applies the application force that makes the spring rotation, make relatively rotating also between spring end and the spring support member can not apply extra application force to spring and strut mount by bearing.
As mentioned above, according to the present invention, can provide a kind of can not increase the draft hitch height and improve the strut mount of the travelling comfort of vehicle.
Description of drawings
Present invention is described with reference to the accompanying drawings, wherein:
Fig. 1 is the cutaway view according to the strut mount of first embodiment of the invention that is in the state that is installed in the vehicle;
Fig. 2 is the cutaway view according to the strut mount of second embodiment of the invention that is in the state that is installed in the vehicle;
Fig. 3 is the cutaway view according to the strut mount of third embodiment of the invention that is in the state that is installed in the vehicle;
Fig. 4 is the cutaway view according to the strut mount of fourth embodiment of the invention that is in the state that is installed in the vehicle; And
Fig. 5 is the cutaway view of traditional suspension bearing.
The specific embodiment
Fig. 1 shows the strut mount according to first embodiment of the invention.End according to the strut bar 32 of the energy disperser on the core of the strut mount 10 of Fig. 1 embodiment and the suspension device for vehicle links to each other.The outer circumferential side of external member 12 that constitutes the outside framework of strut mount 10 is assembled on the vehicle body cladding plate 36 as a vehicle body part.
That is to say, the external member 12 through hole, that made by metallic material that has conical in shape and be formed on its core is mounted to interior all sides of vehicle body cladding plate 36, external member 12 links to each other with vehicle body cladding plate 36 thus, so that strut mount 10 is arranged between strut bar 32 and the vehicle body cladding plate 36.
In addition, the spring support member 12A that forms by stretching out of the outer circumferential side setting of member 12 externally with flange forms.Arrange the wind spring 34 arranged side by side at the outer circumferential side of strut bar 32, and the end of wind spring is supported by spring support member 12A with strut bar 32.
In this respect, the contiguous part of external member 12 and spring support member 12A forms the protrusion 12B as locking part, is used for upper end with wind spring and is positioned on the whole circumference core around external member 12.In the elasticity support sector 18 that the spring support member 12A location arrangements relative with the end of wind spring 34 made by elastomeric material, bearing 22 also is arranged in this part, and the end of wind spring 34 contacts with spring support member 12A by bearing 22 thus.Therefore, in the present embodiment, the protrusion 12B of external member 12 is by the end of bearing 22 guiding wind springs 34.
On the other hand, the heart cylindric INT COMP 14 that partly has a hole is arranged in the core of the strut mount 10 that is positioned at external member 12 inboards therein.The elastic body 16 of the elastically deformable of being made by elastomeric material externally is set between member 12 and the INT COMP 14, and the outer circumferential side of this elastic body 16 bonds on the external member 12 by sulfuration and interior all sides bond on the INT COMP 14 by sulfuration.Therefore, in the embodiment shown, annular elastomeric 16 is arranged to make external member 12 to link to each other with the INT COMP 14 that is positioned at external member 12 inboards.
In this case, the outer circumferential side of the elastomeric material coiling external member 12 of formation elastic body 16 and interior all sides of INT COMP 14.Elasticity support sector 18 is positioned at the outer circumferential side of elastic body 16 and is formed by the part of extending from elastic body 16, and this part uses the elastomeric material identical with elastic body 16 to form.
Arrange the cylindric stop snap ring (stopper clasp) 24 that is made of metal at the place, top according to the strut mount 10 of first embodiment, the end that utilizes nut 26A will pass the strut bar 32 of INT COMP 14 is fastened on the described stop snap ring.Stop rubber 24A is on relative with the vehicle body cladding plate 36 at least part of the outer circumferential side that is arranged in stop snap ring 24 on the whole circumference.
In addition, the upside of outside expansion of the lower side of INT COMP 14 and bearing 28 is arranged to contact with enlarged.The shoulder 32A of strut bar 32 joins in the small diameter part branch of bearing 28.As a result, bearing 28 is secured to strut bar 32 under the nut 26B at the downside place that is threaded in the stop snap ring 24 fastening by nut 26A and the clamped condition between the shoulder 32A, thereby the INT COMP 14 that overlaps on the bearing 28 links to each other with the end of strut bar 32.
And, in order to reduce vibration in fact, the principal oscillation direction in the strut mount 10 of first embodiment be along the strut mount 10 of the arrow Y of above-below direction shown in Fig. 1 axially.
Below, will the effect of strut mount 10 be described.
In first embodiment, INT COMP 14 is positioned at the inboard of taper outer member 12 that links to each other with vehicle body cladding plate 36 and also links to each other with strut bar 32 by bearing 28.In addition, the annular elastomeric 16 of elastically deformable is arranged to connect external member 12 and INT COMP 14.
In addition, the part by making external member 12 supports the end of the wind spring 34 that is arranged in parallel with strut bar 32 with the stretch out spring support member 12A that forms of flange forms.In this case, that make by the rubber identical and be arranged in the relative position, end of spring support member 12A and wind spring 34 with the integrally formed elasticity support sector 18 of elastic body 16 with elastic body 16.In addition, the end of wind spring 34 is supported by elasticity support sector 18 by bearing 22.
Therefore, when when the wheel side transmission has large amplitude and low-frequency vibration, this vibration is delivered to INT COMP 14 by strut bar 32 so that elastic body 16 distortion.As a result, the vibration quilt absorbs based on the resistance of the internal friction of elastic body 16, and with damped vibration, vibration is difficult to be delivered to the vehicle body cladding plate 36 that links to each other with external member 12 thus.
On the other hand, when when the wheel side transmission has little amplitude and high-frequency vibration, this vibration is delivered to the spring support member 12A of support wind spring 34 ends of external member 12 by wind spring 34.Even in this case, also can absorb vibration by the elasticity support sector 18 that is arranged in spring support member 12A place, make vibration be difficult to be delivered to vehicle body cladding plate 36.
Therefore, in first embodiment, because the stent support on the INT COMP 14 be can't help to be installed in the end of wind spring 34, so that the height of draft hitch can not become is big.As a result, in order to improve the travelling comfort of vehicle, it is longer that the length of spring can be made.On the other hand, the height of draft hitch can dwindle to reduce the working height (foodheight) of vehicle, can improve the degree of freedom of vehicle design thus.
On the other hand, although first embodiment is the strut mount 10 that body side is not had direct fixed type, it has the structure of the vibration input being assigned to elastic body 16 and spring support member 12A.Therefore, be easy to regulate the elastic strength of the elastic body 16 that constitutes strut mount 10, and can carry out individually, thereby can easily improve the travelling comfort of vehicle to the adjusting of the elastic strength of the elastic body 16 of supported bar 32 with to the adjusting of the elastic strength of the elasticity support sector 18 among the spring support member 12A that supports wind spring 34.
According to the strut mount 10 that is arranged between vehicle body cladding plate 36 and the strut bar 32, can under the situation that does not increase the draft hitch height, improve the travelling comfort of vehicle.
In first embodiment, the elastomeric material that elasticity support sector 18 usefulness are identical with the elastomeric material of elastic body 16 is integrally formed as the form of extending from elastic body 16.As a result, spring support member 12A is covered will be arranged in the spring support member 12A position relative with wind spring 34 ends with the elasticity support sector of elastic body 16 one combinations by the elastomeric material of elastically deformable.As a result, the acoustic vibration in the time of can under the situation that does not increase manufacturing cost, being reduced in wind spring 34 actions.
In addition, when external member 12 have as the protrusion 12B of locking part with the end of location wind spring 34 with the contiguous part of spring support member 12A the time, make the end position of wind spring 34 stable, even make the vibration of input large amplitude also can not cause the displacement of wind spring 34 ends.
On the other hand, bearing 22 is arranged in the relative part in the end with wind spring 34 of spring support member 12A, and the end of wind spring 34 contacts with spring support member 12A by bearing 22.
Even rotary action power is applied on the wind spring 34, the end of wind spring 34 and spring support member 12A relatively rotate by bearing 22, thereby also can not apply extra application force to wind spring 34 and strut mount 10.
Below, Fig. 2 illustrates the strut mount according to second embodiment of the invention.And, represent by same Reference numeral with the identical member shown in first embodiment, and save the description of repetition.
As shown in Figure 2, the strut mount 10 of second embodiment has the structure identical with first embodiment, but elastic body 16 is made by mutual different elastomeric material with elasticity support sector 18.
In a second embodiment, the elasticity support sector 18 that spring support member 12A is made by the elastomeric material of elastically deformable cover with elasticity support sector 18 is arranged in spring support member 12A with relative position, wind spring 34 ends, the acoustic vibration in the time of can being reduced in wind spring 34 actions thus.In addition, because the member of being made by General Purpose Rubber can be used as elastomeric material, even therefore when changing material, also can not increase productive costs along with the structure variation of strut mount 10.
On the other hand, because elastic body 16 and elasticity support sector 18 separately form, therefore do not need by sulfuration they bonding being integral.Therefore as a result, mandatory requirement external member 12 does not have and is used for by sulfuration elastic body 16 and elasticity support sector 18 bonding all-in-one-piece complicated shapes can be reduced the productive costs of strut mount 10.
Below, Fig. 3 illustrates the strut mount according to third embodiment of the invention, is wherein represented by same Reference numeral with the identical member shown in first embodiment, and saves the explanation of repetition.
The strut mount 10 of the 3rd embodiment has the essentially identical structure with first embodiment.
In the 3rd embodiment, as shown in Figure 3, strut bar 32 the nut 26B that is not threaded in stop snap ring 24 downsides and be clamped at nut 26B and the shoulder 32A of strut bar 32 between the situation of bearing 28 under extend to the lower surface of stop ring 24.In addition, the yielding rubber of being made by urethanes etc. 38 covers the arranged in form of whole outer peripheral face of strut bar 32 at the outer circumferential side of strut bar 32 with the lower surface from stop snap ring 24.
Therefore, the effect played with first embodiment of the 3rd embodiment similarly acts on.In addition, when the strut mount 10 of the 3rd embodiment was used to the front side suspension, it was worked as follows.
Because strut bar 32 itself can rotate with respect to shock absorber, can not produce any abnormal sound when therefore under the situation that bearing 28 is not installed, driving yet.Although wind spring 34 is rotated when driving, only when bearing 22 is arranged between spring support member 12A in the strut mount 10 of present embodiment and the wind spring 34, can be only be reduced in when driving the acoustic vibrations such as abnormal sound that the rotation by wind spring 34 produces reliably by bearing 22.
According to the 3rd embodiment, the end of wind spring 34 resembles the stent support of can't help to be installed to first embodiment on the INT COMP 14, makes the height of draft hitch can not become big.Therefore, can extend by the length that makes wind spring 34 and improve the travelling comfort of vehicle.On the other hand, because the height of draft hitch can dwindle to reduce the working height of vehicle, therefore improved the degree of freedom of vehicle design.
Below, Fig. 4 illustrates the strut mount according to fourth embodiment of the invention, is wherein represented by same Reference numeral with the identical member shown in first and second embodiment, and saves the explanation of repetition.
In the strut mount 10 of the 4th embodiment, elastic body 16 is individual members the same with second embodiment with elasticity support sector 18.
In the 4th embodiment, as shown in Figure 4, arrange the samely that with the 3rd embodiment the yielding rubber of being made by urethanes etc. 38 replaces nut 26B and bearings 28.
Therefore, the effect played with first and second embodiment of the 4th embodiment similarly acts on.In addition, when the strut mount 10 of the 4th embodiment is used to the front side suspension, its works the same with the 3rd embodiment.
In the above-described embodiments, the end of wind spring 34 contacts with spring support member 12A by bearing 22.Yet, need not to adopt bearing 22, the end of wind spring 34 can with elasticity support sector 18 direct contacts that are arranged on the spring support member 12A.
Although the purpose of the foregoing description is to prevent to produce vibration in vehicle body, strut mount much less of the present invention can be used to other occasions outside the vehicle.On the other hand, the shape of external member 12, INT COMP 14, elastic body 16 etc., size etc. are not limited to embodiment.
Claims (6)
1. strut mount, it is arranged between vehicle body cladding plate and the strut bar, and described strut mount comprises the external member that links to each other with described vehicle body cladding plate, links to each other with described strut bar and be positioned at the INT COMP of described external member inboard, the elastic body of elastically deformable that is arranged to be connected described external member and described INT COMP and the spring support member that stretches out and form with the end of supporting the spring that is arranged in juxtaposition with described strut bar with flange forms by a part that makes described external member.
2. strut mount according to claim 1 is characterized in that, elasticity support sector is arranged in the position relative with the described end of described spring of described spring support member.
3. strut mount according to claim 2 is characterized in that, described elastic body is integrally formed with identical elastomeric material with described elasticity support sector.
4. strut mount according to claim 2 is characterized in that, described elastic body and described elasticity support sector's usefulness elastomeric material separately form separately.
5. strut mount according to claim 1 is characterized in that, the locking part that is used to locate the described end of described spring is arranged on the part contiguous with described spring support member of described external member.
6. strut mount according to claim 1 is characterized in that, bearing arrangment is in the part relative with the described end of described spring of described spring support member, so that the described end of described spring contacts with described spring support member by described bearing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005371843 | 2005-12-26 | ||
| JP2005371843 | 2005-12-26 | ||
| JP2006196475 | 2006-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1990289A true CN1990289A (en) | 2007-07-04 |
Family
ID=38212902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610170555 Pending CN1990289A (en) | 2005-12-26 | 2006-12-26 | Strut mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1990289A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612871B (en) * | 2008-06-23 | 2013-01-23 | 通用汽车环球科技运作公司 | Light-weight polymeric sliding pole upper support of vehicle suspension |
| CN103671377A (en) * | 2012-09-13 | 2014-03-26 | 通用汽车环球科技运作有限责任公司 | Top mount for a strut |
| CN105402294A (en) * | 2015-12-16 | 2016-03-16 | 安徽鼎封橡胶减震技术有限公司 | Outer connecting sleeve |
| CN106808947A (en) * | 2016-12-29 | 2017-06-09 | 浙江零跑科技有限公司 | A kind of McPherson strut top attachment means |
| CN107310341A (en) * | 2016-04-27 | 2017-11-03 | 上海汽车集团股份有限公司 | Suspension supporting construction, suspension and automobile |
-
2006
- 2006-12-26 CN CN 200610170555 patent/CN1990289A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612871B (en) * | 2008-06-23 | 2013-01-23 | 通用汽车环球科技运作公司 | Light-weight polymeric sliding pole upper support of vehicle suspension |
| CN103671377A (en) * | 2012-09-13 | 2014-03-26 | 通用汽车环球科技运作有限责任公司 | Top mount for a strut |
| CN103661124A (en) * | 2012-09-13 | 2014-03-26 | 通用汽车环球科技运作有限责任公司 | Top mounting member, integral shell and pillar spring bearing |
| CN103661124B (en) * | 2012-09-13 | 2017-01-18 | 通用汽车环球科技运作有限责任公司 | Top mounting member, integral shell and pillar spring bearing |
| CN103671377B (en) * | 2012-09-13 | 2017-04-12 | 通用汽车环球科技运作有限责任公司 | Top mount for a strut |
| CN105402294A (en) * | 2015-12-16 | 2016-03-16 | 安徽鼎封橡胶减震技术有限公司 | Outer connecting sleeve |
| CN107310341A (en) * | 2016-04-27 | 2017-11-03 | 上海汽车集团股份有限公司 | Suspension supporting construction, suspension and automobile |
| CN106808947A (en) * | 2016-12-29 | 2017-06-09 | 浙江零跑科技有限公司 | A kind of McPherson strut top attachment means |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070144850A1 (en) | Strut mount | |
| CN1766362A (en) | Stabilizer bushing | |
| CN1946952A (en) | Vibration reducing and connecting structure | |
| CN1990289A (en) | Strut mount | |
| CN1654845A (en) | Engine mount | |
| CN1593960A (en) | Vehicular anti-vibration structure | |
| CN101059158A (en) | Dynamic assembly suspension device | |
| CN1657334A (en) | Pedal module | |
| CN1282687A (en) | Shock reducing pillar supporting cradle | |
| CN101063474A (en) | Cylindrical dynamic damper | |
| CN85101438A (en) | Frame type soft bridge suspension mechanism | |
| CN202378680U (en) | Engine suspension device | |
| CN1703592A (en) | Flywheel | |
| CN1513685A (en) | Oscillation damping brace used on rehicle wheel bracket | |
| CN104421336A (en) | Manufacturing method for elastic sleeve of traveling vehicle | |
| CN111619300B (en) | Vehicle strut upper bracket assembly and vehicle with same | |
| JPS634832Y2 (en) | ||
| KR100622505B1 (en) | Bush assembly with high stiffness in radial direction | |
| CN1888465A (en) | Vibration-damper and its application system | |
| CN210437001U (en) | Automobile engine damping rubber assembly | |
| CN2905594Y (en) | Semi-floating front suspension device of cab | |
| CN111434945B (en) | Shock attenuation isolating device | |
| CN108995523B (en) | Equipment support structure for motor vehicle | |
| JP4138715B2 (en) | Damper mounting structure | |
| KR20110057667A (en) | Strut type suspension of vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |