CN110056594A - Buffer gear - Google Patents
Buffer gear Download PDFInfo
- Publication number
- CN110056594A CN110056594A CN201910432309.0A CN201910432309A CN110056594A CN 110056594 A CN110056594 A CN 110056594A CN 201910432309 A CN201910432309 A CN 201910432309A CN 110056594 A CN110056594 A CN 110056594A
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- CN
- China
- Prior art keywords
- piston
- buffer
- chamber
- spring
- connect
- 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.)
- Withdrawn
Links
- 239000000872 buffer Substances 0.000 title claims abstract description 74
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims abstract 2
- 230000037431 insertion Effects 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 11
- 238000005381 potential energy Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0245—Means for adjusting the length of, or for locking, the spring or dampers
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
- F16F9/437—Drainage arrangements
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention is in order to which the service life for solving spring buffer in the prior art is low, complicated using the buffer structure of special working medium, the high technical problem of manufacturing cost and use cost, provide a kind of buffer board and support plate including being placed in parallel, and the buffer gear of at least one set of buffer cell being installed in support plate.Buffer cell includes first piston, elastic component, cavity, second piston and hook assembly；Elastic component is installed between buffer board and support plate；Inside cavity is provided with chamber, and in chamber, axle portion is connect the piston region of first piston with buffer board；Second piston is located at the side of first piston current buffer plate, and one end that chamber corresponds to second piston is provided with the axle portion insertion indoor communication path of chamber for holding second piston, and communication path is provided with the gas vent being connected to outside.The medium that the present invention uses is air, and without being equipped with additional medium supply equipment, structure is simple, and manufacturing cost and use cost is lower.
Description
Technical field
The present invention relates to a kind of pair of moving parts to play bumper and absorbing shock, system move back it is multiple into buffering equipment.
Background technique
Buffer gear refers to and converted by energy, bumper and absorbing shock is served to moving part, system move back it is multiple into mechanism.Most
Object is slowed down and is pushed back using the elastic force of spring by the buffer gear early used, and the structure of such buffer gear is simple, wide
It is general to be applied in the product of bumper and absorbing shock.The service life of spring material as used in manufacture spring, the design of spring are
No rationally the use environment of spring, working forms of spring etc. determine, if spring is constantly in work shape if install
The spring life of state, this kind of particular job form is generally lower, needs to regularly replace.Occur later using powder gases as working medium
Gas cushion and with liquid (such as kerosene) be working medium liquid buffer, both buffers be both needed to be equipped with medium supply
Mechanism, structure is complex, and when in use can also generation environment and product pollution.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of long service life, the buffering without using special media
Mechanism.
In order to achieve the above objectives, technical scheme is as follows:
Buffer gear, including the buffer board being placed in parallel and support plate, and at least one set of buffer cell being installed in support plate；
The buffer cell includes first piston, elastic component, cavity, second piston and hook assembly；
The elastic component is installed between the buffer board and the support plate；The cavity be connected with the support plate on；Institute
It states inside cavity and is provided with chamber, in the chamber, axle portion and the buffer board connect the piston region of the first piston
It connects；The second piston is located at the side of the relatively described buffer board of the first piston, and the chamber corresponds to the second piston
One end be provided with and hold the axle portion of the second piston and be inserted into the indoor communication path of chamber, the communication path is provided with
The gas vent being connected to outside；
The hook assembly includes oblique wedge and actuator, and inclined-plane is used between the oblique wedge and the piston portion of the second piston
Fit structure is flexibly connected, and the actuator drives the oblique wedge close or far from the second piston.
In the technical scheme, the working principle of buffer gear is: object is contacted with kinetic energy with buffer board, by buffer board
Push support plate to, buffer board drives first piston movement and compression elastic piece, and first piston makes chamber to movement at second piston
Interior air is compressed, and the kinetic energy of object is converted to the potential energy of elastic component and the indoor air of chamber；The pressure of chamber air increases
It arrives by force after certain threshold values and pushes second piston to the direction far from first piston, after second piston moves a small distance,
The oblique wedge of hook assembly continues second piston to go out a distance to the direction hook far from first piston, makes the shaft of second piston
Cross gas vent in portion；After chamber is connected to by gas vent with outside, the indoor air of chamber discharges potential energy, and elastic component discharges elastic potential
Can, buffer board and first piston are rebounded initial position, actuator retreats release second piston with oblique wedge, and second piston is returned
To initial position, entire buffer gear realizes complete reset since then.
Buffer gear provided by the invention further includes following additional technical feature:
It is fixed further, the buffer gear is provided with position in the side of the relatively described first piston of the second piston
Limit plate.The limit plate can be fixed on cavity, a certain structure being also possible in cavity.Second piston touches limit plate
After stop, can preventing second piston axle portion be detached from communication path.
Further, being provided with the pressure tune being made of spring, bolt and sliding block in the piston portion of the second piston
Save mechanism；One end of the spring is connect with piston portion, and the sliding block is mounted on the other end of spring, and the bolt passes through described
Limit plate and the sliding block are connected.The decrement of adjustment little spring can be gone by elasticity bolt as a result, so that it is living to adjust second
The precompression of plug.
Further, the piston portion of the first piston is equipped with the sealing ring being connected on chamber inner wall；Described
The axle portion of two pistons is equipped with the sealing ring being connected on the communication path inner wall.
Further, the elastic component is spring；The spring pocket is mounted in the outside of the axle portion of the first piston.
Further, the actuator includes fixed bracket, spring and the pulley tether assemblies in position, the chain wheel rope
Rope one end in rope component is connect with the oblique wedge, and the other end is connect with the buffer board, and the oblique wedge is relatively described
During one end of second piston is plugged between described, one end of the spring is connect with the bracket, one end and the oblique wedge
Connection.
Wherein, the bracket is mounted on the cavity using bolt.It can go to adjust by the position of adjusting bracket as a result,
The stroke of oblique wedge.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention discharges air, object after utilizing object energy (such as, but not limited to potential energy, kinetic energy) compressed air to certain value
Part energy is converted to the potential energy of air by abrupt release, to realize pooling feature；
2. the medium that the present invention uses be air, without being equipped with additional medium supply equipment, structure is simple, manufacture and use at
This is lower；
3. the present invention can by adjust second piston the de-regulation of spring predeformation amount can the absorbable energy of buffer gear.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.
Fig. 1 is the side view of buffer gear disclosed in embodiment；
Fig. 2 is the structure chart of buffer cell disclosed in embodiment；
Fig. 3 is the cross-sectional view of buffer cell disclosed in embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Embodiment
Buffer gear as shown in Figure 1 is installed on support including the buffer board 10 and support plate 20 that are placed in parallel and one group
Buffer cell 30 on plate.The quantity of buffer cell is arranged according to demand, however it is not limited to one group.
As shown in Figures 2 and 3, buffer cell includes first piston 31, elastic component 32, cavity 33, second piston 34 and hook group
Part 35.Cavity be connected with support plate on.Inside cavity is provided with chamber 331, and the piston region of first piston is in chamber, shaft
Portion is connect with buffer board.Elastic component is spring, is installed between buffer board and support plate and is sleeved on the shaft of first piston
The outside in portion.Second piston 34 is located at the side of first piston current buffer plate, and one end that chamber corresponds to second piston is provided with
The axle portion for holding second piston is inserted into the indoor communication path 332 of chamber.Communication path is provided with the gas vent being connected to outside
333.Hook assembly includes oblique wedge 351 and actuator, and inclined-plane fit structure is used between oblique wedge and the piston portion of second piston
It is flexibly connected, actuator drives oblique wedge close or far from second piston.
The working principle of above-mentioned buffer gear is: object is contacted with kinetic energy with buffer board 10, and buffer board is pushed to support
Plate 20, buffer board drive the movement of first piston 31 and compression elastic piece 32, and first piston makes chamber to movement at second piston 34
Air in 331 is compressed, and the kinetic energy of object is converted to the potential energy of elastic component and the indoor air of chamber；The pressure of chamber air
Second piston is pushed to the direction far from first piston after enhancing to certain threshold values, when second piston moves a small distance
Afterwards, the oblique wedge 351 of hook assembly continues second piston to go out a distance to the direction hook far from first piston, makes second piston
Axle portion cross gas vent 333；After chamber is connected to by gas vent with outside, the indoor air of chamber discharges potential energy, elastic component
Elastic potential energy is discharged, buffer board and first piston are rebounded initial position, actuator drives oblique wedge to retreat release second piston,
Second piston returns to initial position, and entire buffer gear realizes complete reset since then.
Realize that the air in chamber 331 is compressed, so chamber 331 is necessary before being connected to by gas vent with outside
Keep sealing state.The present embodiment is equipped with the sealing ring being connected on chamber inner wall in the piston portion of first piston, second
The axle portion of piston is equipped with the sealing ring being connected on communication path inner wall, and the sealing of chamber is realized by two groups of sealing rings.
Under normal circumstances, the diameter of first piston is greater than the diameter of second piston, so just can guarantee the pressure in chamber
Contracting gas can push second piston.It, can also be in a lesser piston of the multiple diameters of chamber indoor location, only in certain use occasions
Guarantee that second piston can be pushed.
As shown in Fig. 2, actuator includes bracket 352, spring 353 and the pulley rope group being mounted on cavity using bolt
Part 354, rope one end in pulley tether assemblies are connect with oblique wedge 351, and the other end is connect with buffer board 10, and oblique wedge is opposite
One end of second piston be plugged between in, one end of spring 353 is connect with bracket, and one end is connect with oblique wedge.Buffer board quilt
After object pushes, by rope be applied to oblique wedge pulling force disappear, oblique wedge under spring force with second piston
Piston portion contact and second piston is continued to jack up using bevel structure.Gas vent 333 is crossed in the axle portion of second piston,
During buffer board 10 resets, oblique wedge is retracted by rope and disengages it from second piston by buffer board.
Spring in actuator is mainly to drive oblique wedge to mobile, the pulley tether assemblies master close to the direction of second piston
If it is mobile to the direction far from second piston to drive oblique wedge, therefore one group can be arranged between buffer board and support plate and lead to
That crosses bevel structure connection tiltedly carves part, goes the stretching and reset that replace actuator to control oblique wedge.Cylinder can also be selected to go generation
The stretching and reset of oblique wedge are controlled for actuator.
Referring to fig. 2, buffer gear is provided with the limit for being fixed on containment portion in second piston with respect to the side of first piston
Position plate.Second piston stops after touching limit plate, and the axle portion of second piston can be prevented to be detached from communication path.
Referring to Fig. 3, the pressure tune being made of spring 51, bolt 52 and sliding block 53 is provided in the piston portion of second piston 34
Save mechanism.One end of spring is connect with piston portion, and sliding block is mounted on the other end of spring, and bolt passes through limit plate 40 and sliding block is solid
Even, the decrement that adjustment little spring is removed by elasticity bolt, to adjust the precompression of second piston 34.
It should be noted that above mentioned buffer board 10 is mainly used for articles and first piston 31, therefore
In certain use occasions, the shape of buffer board 10 is not limited to plate, can be used as long as the part of above-mentioned function can be played
Buffer board 10 uses.
Various modifications to these embodiments will be readily apparent to those skilled in the art, herein
The General Principle for moving justice can be realized in other embodiments without departing from the spirit or scope of the present invention.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The consistent widest scope of clever feature.
Claims (7)
1. buffer gear, which is characterized in that including the buffer board (10) being placed in parallel and support plate (20), and at least one set of installation
In the buffer cell (30) in support plate；The buffer cell includes first piston (31), elastic component (32), cavity (33),
Two pistons (34) and hook assembly (35)；
The elastic component (32) is installed between the buffer board and the support plate；The cavity is connected and the support plate
(20) on；The inside cavity is provided with chamber (331), and the piston region of the first piston is in the chamber (331), axis
Bar portion is connect with the buffer board (10)；The second piston is located at the one of the relatively described buffer board (10) of the first piston
Side, one end of the corresponding second piston of the chamber (331) are provided with the axle portion insertion chamber for holding the second piston
Indoor communication path (332), the communication path are provided with the gas vent (333) being connected to outside；
The hook assembly (35) includes oblique wedge (351) and actuator, the piston portion of the oblique wedge and the second piston it
Between be flexibly connected using inclined-plane fit structure, the actuator drives the oblique wedge close to or far from the second piston.
2. buffer gear according to claim 1, which is characterized in that the buffer gear is in the second piston with respect to institute
The side for stating first piston is provided with the fixed limit plate (40) in position.
3. buffer gear according to claim 2, which is characterized in that be provided in the piston portion of the second piston (34)
The pressure regulating mechanism being made of spring (51), bolt (52) and sliding block (53)；One end of the spring is connect with piston portion, institute
The other end that sliding block is mounted on spring is stated, the bolt passes through the limit plate and the sliding block is connected.
4. buffer gear according to claim 1, which is characterized in that the piston portion of the first piston (31) be equipped with to
Connect the sealing ring on chamber (331) inner wall；The axle portion of the second piston (34), which is equipped with, is connected to the communication path
(332) sealing ring on inner wall.
5. buffer gear according to claim 1, which is characterized in that the elastic component (32) is spring；The spring pocket
Mounted in the outside of the axle portion of the first piston (31).
6. buffer gear according to claim 1, which is characterized in that the actuator includes the fixed bracket in position
(352), spring and pulley tether assemblies (354), rope one end in the pulley tether assemblies are connect with the oblique wedge, separately
One end is connect with the buffer board, during one end of the relatively described second piston (34) of the oblique wedge is plugged between described, institute
The one end for stating spring is connect with the bracket, and one end is connect with the oblique wedge.
7. buffer gear according to claim 6, which is characterized in that the bracket (352) is mounted on described using bolt
On cavity (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432309.0A CN110056594A (en) | 2019-05-23 | 2019-05-23 | Buffer gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910432309.0A CN110056594A (en) | 2019-05-23 | 2019-05-23 | Buffer gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110056594A true CN110056594A (en) | 2019-07-26 |
Family
ID=67324100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910432309.0A Withdrawn CN110056594A (en) | 2019-05-23 | 2019-05-23 | Buffer gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056594A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9903246D0 (en) * | 1999-02-12 | 1999-04-07 | Atb Sales Ltd | Spring and damper unit |
| CN103423357A (en) * | 2011-12-27 | 2013-12-04 | 日立汽车系统株式会社 | Gas spring |
| CN203560206U (en) * | 2013-09-29 | 2014-04-23 | 上海梅山钢铁股份有限公司 | Adjustable pressure measuring damping device based on principles of damping and differential motion |
| CN103758908A (en) * | 2014-01-13 | 2014-04-30 | 江苏现代电力科技股份有限公司 | Pneumatic damping device |
| CN104896104A (en) * | 2015-05-25 | 2015-09-09 | 浙江工业大学 | Online adjustable closing force gas lubricating mechanical sealing device |
| JP2017003018A (en) * | 2015-06-11 | 2017-01-05 | Ｋｙｂモーターサイクルサスペンション株式会社 | Shock absorber |
| CN206054604U (en) * | 2016-08-17 | 2017-03-29 | 东北林业大学 | Plunger type inflatable diaphragm |
| CN206617491U (en) * | 2017-01-17 | 2017-11-07 | 扬州市大洋水务设备有限公司 | A kind of aerodynamic retarder |
| CN108953455A (en) * | 2018-08-21 | 2018-12-07 | 东南大学 | A kind of adjustable air damping buffer |
| CN109027092A (en) * | 2018-11-02 | 2018-12-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of free-piston of air damping buffering |
| CN109139767A (en) * | 2018-10-29 | 2019-01-04 | 重庆特力普尔机械设备有限公司 | A kind of two-part nitrogen gas spring for preventing killing function with noise reduction |
| CN208749918U (en) * | 2018-07-27 | 2019-04-16 | 重庆天得力工业有限公司 | The combination of motorcycle balancing axis |
| CN209990835U (en) * | 2019-05-23 | 2020-01-24 | 儒拉玛特自动化技术(苏州)有限公司 | buffer mechanism |
-
2019
- 2019-05-23 CN CN201910432309.0A patent/CN110056594A/en not_active Withdrawn
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9903246D0 (en) * | 1999-02-12 | 1999-04-07 | Atb Sales Ltd | Spring and damper unit |
| CN103423357A (en) * | 2011-12-27 | 2013-12-04 | 日立汽车系统株式会社 | Gas spring |
| CN203560206U (en) * | 2013-09-29 | 2014-04-23 | 上海梅山钢铁股份有限公司 | Adjustable pressure measuring damping device based on principles of damping and differential motion |
| CN103758908A (en) * | 2014-01-13 | 2014-04-30 | 江苏现代电力科技股份有限公司 | Pneumatic damping device |
| CN104896104A (en) * | 2015-05-25 | 2015-09-09 | 浙江工业大学 | Online adjustable closing force gas lubricating mechanical sealing device |
| JP2017003018A (en) * | 2015-06-11 | 2017-01-05 | Ｋｙｂモーターサイクルサスペンション株式会社 | Shock absorber |
| CN206054604U (en) * | 2016-08-17 | 2017-03-29 | 东北林业大学 | Plunger type inflatable diaphragm |
| CN206617491U (en) * | 2017-01-17 | 2017-11-07 | 扬州市大洋水务设备有限公司 | A kind of aerodynamic retarder |
| CN208749918U (en) * | 2018-07-27 | 2019-04-16 | 重庆天得力工业有限公司 | The combination of motorcycle balancing axis |
| CN108953455A (en) * | 2018-08-21 | 2018-12-07 | 东南大学 | A kind of adjustable air damping buffer |
| CN109139767A (en) * | 2018-10-29 | 2019-01-04 | 重庆特力普尔机械设备有限公司 | A kind of two-part nitrogen gas spring for preventing killing function with noise reduction |
| CN109027092A (en) * | 2018-11-02 | 2018-12-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of free-piston of air damping buffering |
| CN209990835U (en) * | 2019-05-23 | 2020-01-24 | 儒拉玛特自动化技术(苏州)有限公司 | buffer mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190726 |
|
| WW01 | Invention patent application withdrawn after publication |