CN113638978A - Spline shaft with good lubricating property - Google Patents
Spline shaft with good lubricating property Download PDFInfo
- Publication number
- CN113638978A CN113638978A CN202110870238.XA CN202110870238A CN113638978A CN 113638978 A CN113638978 A CN 113638978A CN 202110870238 A CN202110870238 A CN 202110870238A CN 113638978 A CN113638978 A CN 113638978A
- Authority
- CN
- China
- Prior art keywords
- oil
- main shaft
- hole
- spline shaft
- slot
- 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
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Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/06—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow axial displacement
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/316—Guiding of the slide
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/56—Mechanical actuating means without stable intermediate position, e.g. with snap action
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- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- 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
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
- F16N21/04—Nozzles for connection of lubricating equipment to nipples
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- 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
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
- F16N21/06—Covering members for nipples, conduits or apertures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of spline shafts, in particular to a spline shaft with good lubricating property, when a main shaft is connected with an external transmission shaft, lubricating oil is added into an oil cavity through a slot and an oil filling hole, when the main shaft rotates at high speed, a sliding block compresses a spring under the action of centrifugal force, a communication hole is aligned with an oil outlet, the lubricating oil flows from the inside of the oil cavity to a key slot to lubricate the spline shaft, when the main shaft stops rotating, the compressed spring resets to enable the sliding block to slide, the communication hole is separated from the oil outlet to prevent the lubricating oil from flowing out of the oil cavity, the integral operation is simple, the lubricating effect is better when the main shaft operates, and the practicability is stronger; the key grooves are arranged at the left part and the right part of the main shaft, the ring sleeve is fixedly arranged at the middle part of the main shaft, and the middle groove is arranged at the outer end of the ring sleeve; the oil cavity is arranged in the middle of the main shaft, the slot is arranged at the top of the main shaft, and the slot is positioned on the left side of the ring sleeve.
Description
Technical Field
The invention relates to the technical field of spline shafts, in particular to a spline shaft with good lubricating property.
Background
As is well known, a spline shaft is an auxiliary device for driving and connecting a transmission shaft and transmitting mechanical torque in an industrial production process, and is widely used in the technical field of spline shafts; when the existing spline shaft is used, two ends of the spline shaft are respectively connected with a shaft, so that mechanical torque can be transmitted; but the lubricating property of the prior spline shaft is poor, and the using effect is general.
Disclosure of Invention
In order to solve the technical problems, the invention provides the spline shaft with good lubrication and convenient use.
The spline shaft with good lubricating property comprises a main shaft, a key groove, a ring sleeve and a middle groove, wherein the key groove is arranged at the left part and the right part of the main shaft; still include the oil pocket, the tank filler sleeve, the fluting, the closing cap, the oil outlet, the slider, intercommunicating pore and spring, the oil pocket sets up in the middle part of main shaft, the fluting sets up in the top of main shaft, the fluting is located the left of ring cover, the oil filler sleeve sets up in the left part of oil pocket, the top and the slotted bottom intercommunication of oil filler sleeve, the closing cap sets up in the fluting and is located the top of oil filler sleeve, the oil outlet sets up in the right part downside of oil pocket, the right part and the keyway intercommunication of oil outlet, the oil outlet becomes the acute angle with the axial of main shaft, the inside of main shaft is provided with the inner chamber, the inner chamber is located the middle part of oil outlet, the slider is located the inner chamber and can slide from top to bottom, the intercommunicating pore sets up in the middle part of slider and corresponds with the oil outlet, the spring is fixed to be set up in the bottom of inner chamber, the top of spring contacts with the bottom of slider.
The spline shaft with good lubricating property further comprises connecting screw holes, and the connecting screw holes are formed in the left portion and the right portion of the main shaft.
The spline shaft with good lubricating property further comprises a bolt, and the bottom of the bolt penetrates through the sealing cover downwards from the top of the sealing cover and is inserted into the main shaft.
The spline shaft with good lubricating property further comprises a sealing gasket, wherein the sealing gasket is fixedly arranged at the bottom of the sealing cover, and the bottom of the sealing gasket is in contact with the bottom of the groove.
The spline shaft with good lubricity further comprises a plug, wherein the plug is arranged at the bottom of the sealing gasket, and the bottom of the plug is inserted into the oil filling hole from the top of the oil filling hole.
The spline shaft with good lubricating property further comprises a positioning plug, the positioning plug is arranged at the bottom of the sealing cover, the slot is arranged at the bottom of the slot, and the bottom of the positioning plug is inserted into the slot from the top of the slot.
The spline shaft with good lubricating property further comprises an elastic block, and the elastic block is fixedly arranged at the top of the inner cavity.
The spline shaft with good lubricating property further comprises a guide rod and a guide hole, the guide rod is fixedly arranged at the bottom of the inner cavity, the guide hole is formed in the bottom of the sliding block, and the top of the guide rod is inserted into the guide hole from the bottom of the sliding block.
Compared with the prior art, the invention has the beneficial effects that: when using the integral key shaft that lubricity is good, when main shaft and external transmission shaft are connected, add lubricating oil to the oil cavity through fluting and tank filler hole, when the main shaft rotates at a high speed, the slider compresses the spring under the effect of centrifugal force, the intercommunicating pore aligns with the oil outlet, lubricating oil lubricates the integral key shaft to the keyway from the internal flow of oil pocket, when the main shaft stall, the spring of compression resets, make the slider slide, intercommunicating pore and oil outlet separate, prevent lubricating oil from the internal flow of oil pocket, the whole easy operation, it is better to lubricate the effect at the during operation, therefore, the practicability is stronger.
Drawings
FIG. 1 is a schematic axial view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic left side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic cross-sectional view of FIG. 2;
FIG. 6 is an enlarged schematic view of A in FIG. 5;
FIG. 7 is an enlarged schematic view of B of FIG. 5;
in the drawings, the reference numbers: 1. a main shaft; 2. a keyway; 3. sleeving a ring; 4. a middle groove; 5. an oil chamber; 6. an oil filling hole; 7. grooving; 8. sealing the cover; 9. an oil outlet hole; 10. a slider; 11. a communicating hole; 12. a spring; 13. a connecting screw hole; 14. a bolt; 15. a gasket; 16. a plug; 17. positioning the plug; 18. an elastic block; 19. a guide bar; 20. and (4) a guide hole.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 7, the spline shaft with good lubricity of the present invention includes a main shaft 1, a key groove 2, a ring sleeve 3 and a middle groove 4, the key groove 2 is arranged at the left part and the right part of the main shaft 1, the ring sleeve 3 is fixedly arranged at the middle part of the main shaft 1, and the middle groove 4 is arranged at the outer end of the ring sleeve 3; the oil cavity 5 is arranged in the middle of the spindle 1, the slot 7 is arranged at the top of the spindle 1, the slot 7 is positioned at the left side of the ring sleeve 3, the oil filling hole 6 is arranged at the left part of the oil cavity 5, the top of the oil filling hole 6 is communicated with the bottom of the slot 7, the sealing cover 8 is arranged in the slot 7 and positioned at the top of the oil filling hole 6, the oil outlet hole 9 is arranged at the lower side of the right part of the oil cavity 5, the right part of the oil outlet hole 9 is communicated with the key groove 2, the oil outlet hole 9 forms an acute angle with the axial direction of the spindle 1, an inner cavity is arranged in the spindle 1 and positioned in the middle of the oil outlet hole 9, the slide block 10 is positioned in the inner cavity and can slide up and down, the communication hole 11 is arranged in the middle of the slide block 10 and corresponds to the oil outlet hole 9, the spring 12 is fixedly arranged at the bottom of the inner cavity, the top of the spring 12 is contacted with the bottom of the slide block 10, the spindle is characterized by further comprising a connecting screw hole 13, a bolt 14, a sealing gasket 15 and a plug 16, wherein the connecting screw hole 13 is formed in the left portion and the right portion of the spindle 1, the bottom of the bolt 14 penetrates through the sealing cover 8 downwards from the top of the sealing cover 8 to be inserted into the spindle 1, the sealing gasket 15 is fixedly arranged at the bottom of the sealing cover 8, the bottom of the sealing gasket 15 is in contact with the bottom of the groove 7, the plug 16 is arranged at the bottom of the sealing gasket 15, and the bottom of the plug 16 is inserted into the oil filling hole 6 from the top of the oil filling hole 6; when using the integral key shaft that lubricity is good, when main shaft 1 is connected with external drive shaft, add lubricating oil through fluting 7 and tank filler sleeve 6 in to oil pocket 5, when main shaft 1 rotates at a high speed, slider 10 compresses spring 12 under the effect of centrifugal force, intercommunicating pore 11 aligns with oil outlet 9, lubricating oil from the interior flow of oil pocket 5 to keyway 2 lubricate the integral key shaft, when main shaft 1 stall, compressed spring 12 resets, make slider 10 slide, intercommunicating pore 11 and oil outlet 9 separate, prevent lubricating oil from flowing out in oil pocket 5, the whole easy operation, it is better to lubricate the effect at the during operation, and the practicality is stronger.
The spline shaft with good lubricating property further comprises a positioning plug 17, wherein the positioning plug 17 is arranged at the bottom of the sealing cover 8, the slot is arranged at the bottom of the slot 7, and the bottom of the positioning plug 17 is inserted into the slot from the top of the slot; the cover 8 is convenient to position and install through the arrangement.
The spline shaft with good lubricating property further comprises an elastic block 18, wherein the elastic block 18 is fixedly arranged at the top of the inner cavity; the impact of the slider 10 with the cavity is slowed down by the above arrangement.
The spline shaft with good lubricating property further comprises a guide rod 19 and a guide hole 20, wherein the guide rod 19 is fixedly arranged at the bottom of the inner cavity, the guide hole 20 is arranged at the bottom of the sliding block 10, and the top of the guide rod 19 is inserted into the guide hole 20 from the bottom of the sliding block 10; the slider 10 is positioned and guided by the above arrangement.
When the spline shaft with good lubricating property is used, when a main shaft 1 is connected with an external transmission shaft, lubricating oil is added into an oil cavity 5 through a slot 7 and an oil filling hole 6, when the main shaft 1 rotates at a high speed, a slider 10 compresses a spring 12 under the action of centrifugal force, a communication hole 11 is aligned with an oil outlet hole 9, the lubricating oil flows to a key groove 2 from the inside of the oil cavity 5 to lubricate the spline shaft, when the main shaft 1 stops rotating, the compressed spring 12 resets to enable the slider 10 to slide, the communication hole 11 is separated from the oil outlet hole 9, the lubricating oil is prevented from flowing out of the oil cavity 5, the integral operation is simple, the lubricating effect is good during working, the practicability is high, and before the actions are completed, the integral operation is firstly moved to a position required by a user.
According to the spline shaft with good lubricating property, the installation mode, the connection mode or the arrangement mode of all the components are common mechanical modes, and the specific structures, models and coefficient indexes of all the components are self-contained technologies, so that the spline shaft can be implemented as long as the beneficial effects can be achieved, and further description is omitted.
In the spline shaft of the present invention having excellent lubricity, unless otherwise specified, the terms of orientation such as "vertical, horizontal, front-rear, inner-outer, and vertical and horizontal" are used to indicate only the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A spline shaft with good lubricating property comprises a main shaft (1), a key groove (2), a ring sleeve (3) and a middle groove (4), wherein the key groove (2) is arranged at the left part and the right part of the main shaft (1), the ring sleeve (3) is fixedly arranged in the middle of the main shaft (1), and the middle groove (4) is arranged at the outer end of the ring sleeve (3); the oil-filling oil-saving spindle is characterized by further comprising an oil cavity (5), an oil filling hole (6), a notch (7), a sealing cover (8), an oil outlet hole (9), a sliding block (10), a communicating hole (11) and a spring (12), wherein the oil cavity (5) is arranged in the middle of the spindle (1), the notch (7) is arranged at the top of the spindle (1), the notch (7) is positioned at the left side of the ring sleeve (3), the oil filling hole (6) is arranged at the left part of the oil cavity (5), the top of the oil filling hole (6) is communicated with the bottom of the notch (7), the sealing cover (8) is arranged in the notch (7) and positioned at the top of the oil filling hole (6), the oil outlet hole (9) is arranged at the lower side of the right part of the oil cavity (5), the right part of the oil outlet hole (9) is communicated with the key groove (2), an acute angle is formed between the oil outlet hole (9) and the axial direction of the spindle (1), an inner cavity is arranged in the spindle (1), and positioned in the middle of the oil outlet hole (9), the slider (10) is located the inner chamber and can slide from top to bottom, and the intercommunicating pore (11) sets up in the middle part of slider (10) and corresponds with oil outlet (9), and spring (12) are fixed to be set up in the bottom of inner chamber, and the top of spring (12) and the bottom contact of slider (10).
2. The spline shaft with good lubricity according to claim 1, further comprising connecting screw holes (13), the connecting screw holes (13) being provided in the left and right portions of the main shaft (1).
3. The spline shaft with good lubricity according to claim 2, further comprising a bolt (14), wherein the bottom of the bolt (14) is inserted into the main shaft (1) from the top of the cover (8) downwards through the cover (8).
4. The spline shaft with good lubricity according to claim 3, further comprising a seal (15), wherein the seal (15) is fixedly arranged at the bottom of the cover (8), and the bottom of the seal (15) is in contact with the bottom of the slot (7).
5. The spline shaft with good lubricity according to claim 4, further comprising a plug (16), wherein the plug (16) is arranged at the bottom of the sealing gasket (15), and the bottom of the plug (16) is inserted into the oil filling hole (6) from the top of the oil filling hole (6).
6. The spline shaft with good lubricating property according to claim 5, further comprising a positioning plug (17), wherein the positioning plug (17) is arranged at the bottom of the sealing cover (8), the slot is arranged at the bottom of the slot (7), and the bottom of the positioning plug (17) is inserted into the slot from the top of the slot.
7. The spline shaft with good lubricity according to claim 6, further comprising an elastic block (18), wherein the elastic block (18) is fixedly arranged at the top of the inner cavity.
8. The spline shaft with good lubricity according to claim 7, further comprising a guide rod (19) and a guide hole (20), wherein the guide rod (19) is fixedly arranged at the bottom of the inner cavity, the guide hole (20) is arranged at the bottom of the slider (10), and the top of the guide rod (19) is inserted into the guide hole (20) from the bottom of the slider (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870238.XA CN113638978A (en) | 2021-07-30 | 2021-07-30 | Spline shaft with good lubricating property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110870238.XA CN113638978A (en) | 2021-07-30 | 2021-07-30 | Spline shaft with good lubricating property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113638978A true CN113638978A (en) | 2021-11-12 |
Family
ID=78419040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110870238.XA Pending CN113638978A (en) | 2021-07-30 | 2021-07-30 | Spline shaft with good lubricating property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113638978A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782247A (en) * | 2016-04-29 | 2016-07-20 | 新昌县羽林街道鑫博机械厂 | Self-lubricating flange bearing device |
| CN205978061U (en) * | 2016-06-18 | 2017-02-22 | 新昌县隆豪轴承有限公司 | Bearing convenient to lubricate |
| CN106895133A (en) * | 2015-12-17 | 2017-06-27 | 罗伯特·博世有限公司 | For the gear shaft and engine starter of engine starter |
| CN207406752U (en) * | 2017-11-13 | 2018-05-25 | 重庆市綦江区祥虎齿轮有限公司 | A kind of gearbox fusiformis gearshift jackshaft |
| CN108730747A (en) * | 2018-08-01 | 2018-11-02 | 长兴曼尔申机械科技有限公司 | A kind of highly reliable lubricating transmission axis of centrifugal power oiling |
-
2021
- 2021-07-30 CN CN202110870238.XA patent/CN113638978A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895133A (en) * | 2015-12-17 | 2017-06-27 | 罗伯特·博世有限公司 | For the gear shaft and engine starter of engine starter |
| CN105782247A (en) * | 2016-04-29 | 2016-07-20 | 新昌县羽林街道鑫博机械厂 | Self-lubricating flange bearing device |
| CN205978061U (en) * | 2016-06-18 | 2017-02-22 | 新昌县隆豪轴承有限公司 | Bearing convenient to lubricate |
| CN207406752U (en) * | 2017-11-13 | 2018-05-25 | 重庆市綦江区祥虎齿轮有限公司 | A kind of gearbox fusiformis gearshift jackshaft |
| CN108730747A (en) * | 2018-08-01 | 2018-11-02 | 长兴曼尔申机械科技有限公司 | A kind of highly reliable lubricating transmission axis of centrifugal power oiling |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |