CN103591262B - The radial position of a kind of roll shaft revolving body adjusts assembly - Google Patents
The radial position of a kind of roll shaft revolving body adjusts assembly Download PDFInfo
- Publication number
- CN103591262B CN103591262B CN201310578566.8A CN201310578566A CN103591262B CN 103591262 B CN103591262 B CN 103591262B CN 201310578566 A CN201310578566 A CN 201310578566A CN 103591262 B CN103591262 B CN 103591262B
- Authority
- CN
- China
- Prior art keywords
- revolving body
- radial position
- radially
- roll shaft
- roller gear
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
- F16H2057/0222—Lateral adjustment
Abstract
The radial position that the present invention relates to a kind of roll shaft revolving body adjusts assembly, including underframe and revolving body, revolving body be fixedly connected with two ends of and turn round body concentric installation axle, and the axle of installing at two ends is rotatablely arranged on separate two adjustment seat respectively, two adjust seat all can moving radially along revolving body, and at least one adjusts seat and is connected with the drive end of driving means, this radial position adjusts assembly and also includes: be arranged on the installation axle at two ends and the identical roller gear of specification；Being fixed on underframe and be located at turn around the guide plate at body two ends, and offer radially-directed groove on guide plate, roller gear embeds in radially-directed groove, and is provided with the tooth bar adaptive with roller gear on a side of radially-directed groove, and tooth bar engages with roller gear.This radial position adjusts the simple and reliable for structure of assembly, easy to maintenance, and synchronicity that revolving body two ends move can be effectively ensured, thus effectively protects each connection member and the driving means of revolving body.
Description
Technical field
The present invention relates to large-scale roll shaft revolving body position adjustment technical field, particularly to a kind of roll shaft revolving body
Radial position adjusts assembly.
Background technology
The two ends of roll shaft revolving body are typically arranged on support seat by bearing, in actual production process, due to respectively
Plant and need, position adjustment may be carried out diametrically by roll shaft class revolving body, for small-sized roll shaft revolving body, its radial direction position
Put that adjustment is relatively easy to be realized, radial position adjustment can be carried out by driving its both ends or middle part, but in big
The roll shaft revolving body of type, because its deadweight and size are the biggest, therefore typically all has on the support seat at two ends and can drive roller
Axle class revolving body carries out the driving means moved radially, and when carrying out radial position and adjusting, needs to ensure roll shaft revolving body
Both ends synchronizing moving.
At present used when medium-and-large-sized roll shaft revolving body radially adjusts driving means generally comprises following two:
A kind of is that the two ends being driven back to turn by motor carry out synchronizing moving, is straight line by the conversion of motion that chooses to install of motor
Motion, this kind of mode is typically necessary complex structures such as using leading screw, and not only part is various, and the one-tenth of equipment itself
The maintenance cost in basis and later stage is the highest.
Another kind is that the two ends that employing is surged or pneumatic linear actuator is driven back to turn carry out synchronizing moving, the zero of this mode
Part is less, drives simple in construction and is easily maintained, but owing to the precision of cylinder or hydraulic cylinder itself is by source of the gas or liquid
The impact of potential source, duct length and load etc. is relatively big, thus the synchronicity of the cylinder at two ends or hydraulic cylinder is relatively difficult to ensure
Holding consistent, this one end that may result in roll shaft revolving body is moved comparatively fast, and the other end moves relatively slow, when difference is bigger, and will
Cause the destruction of connection member, even cause the stuck of cylinder or hydraulic cylinder.
Therefore, when carrying out radial position and adjusting, how can effectively ensure that the two ends of roll shaft revolving body can synchronize
Mobile, it is that current those skilled in the art need badly and solve the technical problem that.
Summary of the invention
The radial position that it is an object of the invention to provide a kind of roll shaft revolving body adjusts assembly, in order to carrying out radially position
When putting adjustment, it is possible to the two ends synchronizing moving of roll shaft revolving body is effectively ensured.
For solving above-mentioned technical problem, the radial position of the roll shaft revolving body that the present invention provides adjusts assembly and includes underframe
And revolving body, described revolving body be fixedly connected with two ends of installation axle body concentric with described revolution, and the described installation axle at two ends divides
Not being rotatablely arranged at separate two and adjust on seat, two described adjustment seats all can move along the radial direction of described revolving body
Moving, and at least one described adjustment seat is connected with the drive end of driving means, this radial position adjusts assembly and also includes:
It is arranged on the described installation axle at two ends and roller gear that specification is identical；
It is fixed on described underframe and is positioned at the guide plate at described revolving body two ends, and offer on described guide plate radially
Gathering sill, described roller gear embeds in described radially-directed groove, and is provided with and institute on a side of described radially-directed groove
Stating the tooth bar that roller gear is adaptive, described tooth bar engages with described roller gear.
Preferably, in above-mentioned radial position adjusts assembly, described driving means is cylinder or hydraulic cylinder.
Preferably, adjust in assembly in above-mentioned radial position, two described adjustment seats all with the driving of described driving means
End is connected.
Preferably, in above-mentioned radial position adjusts assembly, in two described adjustment seats drives with driving means
Moved end is connected.
Preferably, in above-mentioned radial position adjusts assembly, the most sheathed at described roller gear on described installation axle
Have a guider for preventing described installation axle from rocking, and described guider be embedded at described in lead radially in groove.
Preferably, adjust in assembly in above-mentioned radial position, described guider for be set on described installation axle and with
The bearing that described radially-directed groove is adaptive.
Preferably, in above-mentioned radial position adjusts assembly, described tooth bar and described guide plate are integral type structure.
Preferably, in above-mentioned radial position adjusts assembly, described installation axle is installed on described adjustment by rolling bearing units
On seat.
The radial position of roll shaft revolving body the most provided by the present invention adjusts in assembly,
Including underframe and revolving body, wherein the two ends of revolving body are provided with installation axle, and the installation axle at two ends is respectively with separate
Two adjustment seats be connected, two adjust seats and all can move radially, and at least one adjusts the driving of seat and driving means
End is connected, and is also respectively provided with roller gear, is connected on underframe and is located at turn around body two ends on the installation axle at two ends
Offering radially-directed groove on guide plate, roller gear is embedded in radially-directed groove, and on a side of radially-directed groove
Being provided with the tooth bar adaptive with roller gear, tooth bar engages with roller gear.
When roll shaft revolving body needs to carry out radially adjusting, under the driving of driving means, adjust seat and drive is installed
Axle moves radially, and is provided with roller gear owing to installing on axle, and roller gear engages with the tooth bar in radially-directed groove, and
And installation axle is rotatably arranged on adjustment seat, thus roller gear will roll reach along tooth bar, due to revolving body both sides
The rotational angle installing axle consistent all the time, and being arranged on two ends, to install the specification of roller gear on axle identical, and this just protects
That has demonstrate,proved two ends installs distance that axle rolls along tooth bar unanimously, it is achieved thereby that roll shaft revolving body is when moving radially two
The synchronizing moving of end.
As can be seen here, the radial position of roll shaft revolving body provided by the present invention adjusts the simple and reliable for structure of assembly,
Easy to maintenance, and when revolving body moves radially, revolving body two ends synchronizing moving can be effectively ensured, thus effectively protect
Protect each connection member and the driving means of revolving body.
Accompanying drawing explanation
Fig. 1 is that the part-structure of the radial position adjustment assembly of the roll shaft revolving body provided in the embodiment of the present invention shows
It is intended to；
Fig. 2 is that the overall structure of the radial position adjustment assembly of the roll shaft revolving body provided in the embodiment of the present invention is shown
It is intended to.
Wherein, 1 is underframe, and 2 is revolving body, and 3 for installing axle, and 4 for adjusting seat, and 5 is roller gear, and 6 is guide plate, and 7 are
Radially-directed groove, 8 is tooth bar, and 9 is driving means, and 10 is rolling bearing units, and 11 is guider.
Detailed description of the invention
The core of the present invention is to provide the radial position of a kind of roll shaft revolving body and adjusts assembly, in order to carrying out radially position
When putting adjustment, it is possible to the two ends synchronizing moving of roll shaft revolving body is effectively ensured, thus effectively protects each connection of revolving body
Parts and driving means.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.
Please also refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the radial direction of the roll shaft revolving body provided in the embodiment of the present invention
The part-structure schematic diagram of position adjustment assembly, Fig. 2 is the radial direction position of the roll shaft revolving body provided in the embodiment of the present invention
Put the overall structure schematic diagram adjusting assembly.
The radial position of the roll shaft revolving body provided in the embodiment of the present invention adjusts assembly, be particularly suited for size with
And the adjustment of the radial position of bigger medium-and-large-sized revolving body of conducting oneself with dignity, this radial position adjusts assembly and includes underframe 1 and revolving body
2, wherein it is provided with on underframe 1 for being driven back to 2 driving means 9 carrying out moving radially of turning, the two ends of revolving body 2 are provided with
Installation axle 3 that is concentric with revolving body 2 and that be connected with revolving body 2, skilled addressee readily understands that, the mode being connected
Can have multiple, such as, axle 3 is installed and can weld with revolving body 2, or installation axle 3 and revolving body 2 are integral type structure, return
The axle 3 of installing at 2 two ends of turning is rotatably arranged in separate two respectively and adjusts on seat 4, needs to illustrate,
Two adjust seat 4 and all moving radially along revolving body 2, the i.e. two ends of revolving body 2 can be movable end, in two adjustment seats 4 extremely
Rare one is connected with the drive end of driving means 9, and this radial position adjusts assembly and also has the feature that
Installing of revolving body 2 two ends is provided with the identical roller gear of specification 5 on axle 3, underframe 1 is fixed with and is located at turn around
The guide plate 6 at body 2 two ends, and on guide plate 6, offer radially-directed groove 7, roller gear 5 embeds in radially-directed groove 7, and
And be provided with and the tooth bar 8 of roller gear 5 adaptation on a side of the radially-directed groove 7 at two ends, the guide plate 6 of both sides is pacified
After being loaded on underframe 1, need to ensure that tooth bar 8 tightly engages with roller gear 5.
In above-described embodiment, be located at turn around body 2 two ends the roller gear 5 installed on axle 3 to arrange quantity unrestricted,
It is contemplated that equipment cost and production technology, the present embodiment is preferably respectively arranged with one on the installation axle 3 at two ends
The roller gear 5 that specification is identical, as shown in fig. 1.
When roll shaft revolving body needs to carry out radially adjusting, under the driving of driving means 9, adjust seat 4 and drive is pacified
Dress axle 3 moves radially, and is provided with roller gear 5 owing to installing on axle 3, roller gear 5 and the tooth bar in radially-directed groove 7
8 engagements, and axle 3 is installed is rotatably arranged on adjustment seat 4, thus roller gear 5 will roll reach along tooth bar 8, by
The rotational angle installing axle 3 in revolving body 2 both sides is consistent all the time, and the roller gear 5 being arranged on two ends installation axle 3
Specification is identical, and tooth bar 8 is adaptive with roller gear 5, thus the distance one that the installation axle 3 that this guarantees two ends rolls along tooth bar 8
Cause, thus achieve roll shaft revolving body synchronizing moving at two ends when moving radially.
Driving means 9 can be cylinder or hydraulic cylinder, and driving means 9 can only include one, and one drives dress
Putting the movable end of 9 to be connected with the adjustment seat 4 of revolving body 2 one end, driving means 9 can also be two, the work of two driving means 9
Moved end adjustment seat 4 with revolving body 2 two ends respectively is connected.
Use by driving means 9 and illustrate as a example by cylinder, in this radial position adjusts assembly, only include a gas
During cylinder, the top land of cylinder is connected with the adjustment seat 4 of revolving body 2 one end, and adjusts when carrying out revolving body 2 radial position
Time, cylinder piston will promote installation axle 3 moving radially along revolving body 2, and the roller gear 5 of cylinder place end will roll along tooth bar 8
Dynamic reach, thus drive the roller gear 5 of revolving body 2 other end to roll consistent distance along tooth bar 8, it is achieved revolving body 2 two ends
Synchronizing moving, it is relatively big that this kind of situation is applicable to roll shaft revolving body rigidity, and the feelings relatively low to adjusting required precision
Condition；
When this radial position adjust assembly include two cylinders time, the top land of two cylinders respectively with revolving body 2
The adjustment seat 4 at two ends is connected, and when revolving body 2 carries out position adjustment, the cylinder at two ends is carried out promoting installation axle 3 simultaneously
Move radially.In this case can use two less cylinders, thus be applicable to the occasion that installing space is less, double cylinders
Radial position adjust assembly also reduce the torsion suffered by revolving body 2 and shearing force, make revolving body 2 be not likely to produce deformation,
So that the balance of whole radial position adjustment assembly and safety are obviously improved.
Need to illustrate, when the radial direction adjustment direction of revolving body 2 is just vertical direction, according to a gas
Cylinder, then this cylinder is required to the frictional force overcoming the overall gravity of revolving body 2 and two terminal circle stud wheel 5 with tooth bar 8；According to
Double cylinders, the overall gravity making a concerted effort to be required to overcome revolving body 2 of two ends cylinder and two terminal circle stud wheel 5 rub with tooth bar 8
Wiping power, in such cases, if one of them cylinder moving is very fast, and when himself being not enough to the whole revolving body 2 of jack-up, then should
The relatively other end is exceeded the distance of about gear fit clearance by the axle 3 of installing of cylinder place end, but this distance is the least,
Thus do not result in the stuck of other side cylinder, and after waiting until that another cylinder moves about gear fit clearance, two
It is radially movable that the cylinder of end will continue to press on whole revolving body 2.
In order to optimize the technical scheme in above-described embodiment further, the present embodiment is also being installed on axle 3 against cylinder
Being arranged with guider 11 at gear 5, this guider 11 is used for preventing installation axle 3 from producing in radially-directed groove 7 and rocks, as
Shown in Fig. 1, radially-directed groove 7 is more than roller gear 5 thickness in the direction along the thickness of revolving body 2 axis direction, because of
This, after arranging, on the side of radially-directed groove 7, the tooth bar 8 coordinated with roller gear 5, just reserves in radially-directed groove 7
For the locking portion matched with guider 11, guider 11 can embed radially-directed after roller gear 5 is installed
In groove 7 and the coordinating of realization and radially-directed groove 7.
Further, the guider 11 in the present embodiment specially be set in installation axle 3 on, and with radially-directed groove
The bearing of 7 adaptations, this can reduce revolving body 2 further and install between axle 3 and radially-directed groove 7 when radial position adjusts
Frictional force.
Tooth bar 8 can be with split-type structural or integral structure with guide plate 6, and when using split-type structural, tooth bar 8 can
To be fixedly connected on the side of radially-directed groove 7 by connection member；When using integral structure, then employing machine is needed to add
The mode of work directly processes the structure of tooth bar 8 on the side of radially-directed groove 7, as shown in fig. 1.
Dismounting for convenience, the radial position provided in the present embodiment adjusts in assembly, installs axle 3 particular by band
Seat bearing 10 is arranged on adjustment seat 4, as shown in Figures 1 and 2, offers installation it is, of course, also possible to use on adjustment seat 4
Hole, and in installing hole, it is embedded rolling bearing, realize that axle 3 is installed by rolling bearing and adjust being rotatably connected of seat 4 with two.
Above the radial position adjustment assembly of roll shaft revolving body provided by the present invention is described in detail.Herein
In apply specific case principle and the embodiment of the present invention be set forth, the explanation of above example is only intended to side
Assistant solves method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, not
On the premise of departing from the principle of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into
In the protection domain of the claims in the present invention.
Claims (7)
1. the radial position of roll shaft revolving body adjusts an assembly, including underframe (1) and revolving body (2), described revolving body (2)
Be fixedly connected with two ends of the installation axle (3) concentric with described revolving body (2), and the described installation axle (3) at two ends is the most rotationally
Being arranged at separate two and adjust on seat (4), two described adjustment seats (4) all can be moved along the radial direction of described revolving body (2)
Dynamic, and two described adjustment seats (4) all drive ends with driving means (9) are connected, it is characterised in that also include:
It is arranged at the roller gear (5) that described installation axle (3) is upper and specification is identical at two ends；
It is fixed on described underframe (1) and is positioned at the guide plate (6) at described revolving body (2) two ends, and open on described guide plate (6)
Being provided with radially-directed groove (7), described roller gear (5) embeds in described radially-directed groove (7), and described radially-directed groove (7)
A side on be provided with and tooth bar (8) that described roller gear (5) is adaptive, described tooth bar (8) is nibbled with described roller gear (5)
Close.
The radial position of roll shaft revolving body the most according to claim 1 adjusts assembly, it is characterised in that described driving fills
Putting (9) is cylinder or hydraulic cylinder.
The radial position of roll shaft revolving body the most according to claim 1 adjusts assembly, it is characterised in that two described tune
In bed rearrangement (4) one is connected with the drive end of described driving means (9).
The radial position of roll shaft revolving body the most according to claim 1 adjusts assembly, it is characterised in that described installation axle
(3) guider (11) for preventing described installation axle (3) from rocking also it is arranged with on against described roller gear (5) place, and
Described guider (11) is embedded in described radially-directed groove (7).
The radial position of roll shaft revolving body the most according to claim 4 adjusts assembly, it is characterised in that described guiding fills
Put (11) for being set on described installation axle (3) and the bearing adaptive with described radially-directed groove (7).
The radial position of roll shaft revolving body the most according to claim 1 adjusts assembly, it is characterised in that described tooth bar
(8) with described guide plate (6) be integral type structure.
The radial position of roll shaft revolving body the most according to claim 1 adjusts assembly, it is characterised in that described installation axle
(3) it is installed on described adjustment seat (4) by rolling bearing units (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578566.8A CN103591262B (en) | 2013-11-18 | 2013-11-18 | The radial position of a kind of roll shaft revolving body adjusts assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310578566.8A CN103591262B (en) | 2013-11-18 | 2013-11-18 | The radial position of a kind of roll shaft revolving body adjusts assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103591262A CN103591262A (en) | 2014-02-19 |
| CN103591262B true CN103591262B (en) | 2016-09-28 |
Family
ID=50081513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310578566.8A Active CN103591262B (en) | 2013-11-18 | 2013-11-18 | The radial position of a kind of roll shaft revolving body adjusts assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591262B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717731A (en) * | 2016-06-06 | 2018-02-23 | 丽水市伊凡家模具科技有限公司 | A kind of mechanical grinding lathe |
| CN112081886B (en) * | 2020-10-19 | 2023-09-05 | 常熟市天博金属制品有限公司 | Rotating shaft for feeding frame |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191420710A (en) * | 1914-10-08 | 1915-06-10 | Wallace Cranston Fairweather | Improvements in Typewriting Machines. |
| DE2938869C2 (en) * | 1979-09-19 | 1983-02-03 | Escher Wyss AG, Zürich | Deflection adjustment roller |
| CN201023327Y (en) * | 2007-01-23 | 2008-02-20 | 星云电脑股份有限公司 | Non-section type paper-pressing wheel group height adjusting device |
| CN201151581Y (en) * | 2007-12-26 | 2008-11-19 | 无锡宝南机器制造有限公司 | Single-side adjusting roller of high-speed constant-speed paper receiving machine |
| CN100564051C (en) * | 2008-05-19 | 2009-12-02 | 北京美科艺数码科技发展有限公司 | Printing medium mechanism unit for printer |
| CN201597257U (en) * | 2010-01-18 | 2010-10-06 | 纪孝平 | Plateless digital printer pressure roller translational mechanism |
| CN201960829U (en) * | 2011-02-28 | 2011-09-07 | 深圳市润天智图像技术有限公司 | Wide-breadth inkjet printer |
| CN202378416U (en) * | 2011-12-07 | 2012-08-15 | 宁波欣达印刷机器有限公司 | Ink fountain elevation regulating mechanism |
| CN203426155U (en) * | 2013-08-27 | 2014-02-12 | 温州金石机器人科技有限公司 | Lower press roller height adjustment mechanism of transverse rolling and spreading machine |
| CN203656128U (en) * | 2013-11-18 | 2014-06-18 | 深圳市润天智数字设备股份有限公司 | Radial position adjusting assembly of roller type rotating body |
-
2013
- 2013-11-18 CN CN201310578566.8A patent/CN103591262B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103591262A (en) | 2014-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104727687A (en) | Fixing device for adjusting clearance compensation of drive mechanism | |
| CN103591262B (en) | The radial position of a kind of roll shaft revolving body adjusts assembly | |
| CN105227078A (en) | Rotatable, to launch solar panel carrying support body | |
| CN203656128U (en) | Radial position adjusting assembly of roller type rotating body | |
| CN202377300U (en) | Coiled plate uncoiling equipment | |
| CN202243399U (en) | Automobile capable of rotating and turning around in situ | |
| CN104002660A (en) | Hydraulic drive driving wheel of independent drive-brake and active suspension | |
| CN202911033U (en) | Movable adjusting device | |
| CN207028156U (en) | A kind of chain rail for automatically adjusting width | |
| CN203855310U (en) | Guide device for lifting steel ladle | |
| CN201002932Y (en) | Crane guide rail wheel assembly | |
| CN105332794A (en) | Vertically-outputting speed change mechanism and aircraft engine | |
| CN206521207U (en) | A kind of operation device for adjusting posture of double-track trolley | |
| CN206169582U (en) | Send and split ware dismouting machine | |
| CN104016230B (en) | The guidance method of ladle lifting | |
| CN204308947U (en) | A kind of rare-earth permanent magnet production line clamping manipulator | |
| CN207212079U (en) | A kind of sliding door middle pulley mechanism for being easy to sliding door gap to adjust | |
| CN202645257U (en) | Vehicle window glass lifter and engineering vehicle | |
| CN201343076Y (en) | Spare tire folding and adjusting mechanism | |
| CN202273544U (en) | Split pressure-resistant round door | |
| CN205706958U (en) | A kind of car load general assembly suspension bracket | |
| CN206749940U (en) | A kind of Novel movable compartment | |
| CN201582097U (en) | Belt tensioning mechanism in air compressor | |
| CN103979162B (en) | A kind of longitudinal sealing mechanism of multiple row bottle placer | |
| CN205022678U (en) | Turn to idle rod and car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |