CN115573114A - Presser foot structure is lifted to sewing machine's trimming - Google Patents
Presser foot structure is lifted to sewing machine's trimming Download PDFInfo
- Publication number
- CN115573114A CN115573114A CN202211452563.5A CN202211452563A CN115573114A CN 115573114 A CN115573114 A CN 115573114A CN 202211452563 A CN202211452563 A CN 202211452563A CN 115573114 A CN115573114 A CN 115573114A
- Authority
- CN
- China
- Prior art keywords
- presser foot
- thread trimming
- output shaft
- foot lifting
- trimming
- 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
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
A thread trimming and presser foot lifting structure of a sewing machine comprises a rotary driving source, a thread trimming mechanism and a presser foot lifting mechanism, wherein an output shaft of the rotary driving source penetrates through the left end and the right end of the rotary driving source, a thread trimming transmission assembly is arranged between the left end of the output shaft and the thread trimming mechanism, a presser foot lifting transmission assembly is arranged between the right end of the output shaft and the presser foot lifting mechanism, and the presser foot lifting transmission assembly is connected with a knee control presser foot lifting assembly; the left end of the output shaft can drive the thread trimming mechanism to perform thread trimming action through the thread trimming transmission assembly, and the presser foot lifting mechanism does not perform presser foot lifting action when the thread trimming action is performed; the right end of the output shaft can drive the presser foot lifting mechanism to perform presser foot lifting action through the presser foot lifting transmission assembly, and the thread trimming mechanism does not perform thread trimming action when the presser foot lifting action is performed; the knee-controlled pressure lifting component can drive the pressure lifting foot mechanism to perform the action of lifting the pressure foot.
Description
Technical Field
The invention relates to a thread trimming and presser foot lifting structure of a sewing machine.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, and the existing sewing machine has the functions of automatically cutting threads, automatically lifting a presser foot and the like. In the existing sewing machine, the thread cutting mechanism and the presser foot lifting mechanism are usually driven by two mutually independent mechanisms which are respectively driven by different electromagnets. The electromagnet is used for driving the thread trimming, the thread trimming is unstable, the vibration is large, the thread trimming effect is poor, and the height of the presser foot is inconvenient to adjust when the electromagnet drives the presser foot to lift; when the electromagnet drives the thread cutting or the presser foot lifting, the machine head of the sewing machine has certain noise, and the product experience of a user is influenced; in view of the above problems, the existing sewing machine is yet to be further improved.
Disclosure of Invention
Aiming at the defects in the problems, the invention provides a thread trimming and presser foot lifting structure of a sewing machine.
In order to achieve the purpose, the invention provides a thread trimming and presser foot lifting structure of a sewing machine, which comprises a rotary driving source, a thread trimming mechanism and a presser foot lifting mechanism, wherein an output shaft of the rotary driving source penetrates through the left end and the right end of the rotary driving source, a thread trimming transmission assembly is arranged between the left end of the output shaft and the thread trimming mechanism, a presser foot lifting transmission assembly is arranged between the right end of the output shaft and the presser foot lifting mechanism, and the presser foot lifting transmission assembly is connected with a knee control pressure lifting assembly; the left end of the output shaft can drive the thread trimming mechanism to perform thread trimming action through the thread trimming transmission assembly, and the presser foot lifting mechanism does not perform presser foot lifting action when the thread trimming action is performed; the right end of the output shaft can drive the presser foot lifting mechanism to perform presser foot lifting action through the presser foot lifting transmission assembly, and the thread trimming mechanism does not perform thread trimming action when the presser foot lifting action is performed; the knee-controlled pressure lifting component can drive the pressure lifting foot mechanism to perform the action of lifting the pressure foot.
As a further improvement of the scheme, the thread trimming transmission assembly comprises a thread trimming cam and a first rotating part, the thread trimming cam is fixed at the left end of the output shaft, the first rotating part is arranged on a shell of the sewing machine, the lower end of the first rotating part is matched with the thread trimming cam, and the upper end of the first rotating part is hinged with the thread trimming mechanism through a swing rod assembly; when the output shaft rotates reversely, the swing rod component can be driven to move back and forth by the thread trimming cam and the rotating piece, so that the thread trimming mechanism is driven to perform thread trimming.
As a further improvement of the scheme, it includes pivot seat and pivot to rotate one, the pivot seat is fixed on sewing machine's casing, the pivot is rotatable to be established on the pivot seat, the pivot upper end is connected with the swinging arms, the pivot lower extreme is connected with down swinging arms, the other end of going up the swinging arms with the pendulum rod subassembly forms articulatedly, it is connected with reset spring on the swinging arms to go up, reset spring's the other end is hung on a couple, the couple is fixed on sewing machine's casing, down swinging arms with trimming cam looks butt, works as the output shaft reversal drives during trimming cam, trimming cam can order about lower swinging arms swings.
As a further improvement of the scheme, the lower swing rod is provided with a butt joint piece, and when the output shaft rotates reversely, the thread cutting cam can be driven to drive the butt joint piece to move left and right, so that the lower swing rod is driven to swing.
As a further improvement of the scheme, a track groove is formed in the trimming cam, and the abutting part is arranged in the track groove; when the output shaft swings reversely, the abutting part swings in the track groove due to the change of the left side slope; when the output shaft swings in the forward direction, the abutting piece swings reversely in the track groove due to the change of the slope of the right side until the abutting piece abuts against the left plane of the track groove.
As a further improvement of the scheme, the presser foot lifting transmission assembly comprises a driving crank, a second rotating part, a third rotating part and a first pin, the second rotating part is connected to a vertical shaft of the presser foot lifting mechanism, the driving crank is fixed at the right end of the output shaft and is abutted against the second rotating part, the third rotating part is connected to the second rotating part through the first pin, and the knee control assembly is connected to the third rotating part.
As a further improvement of the scheme, a second pin capable of abutting against the cambered surface of the driving crank is arranged on the second rotating part, and when the output shaft rotates forwards, the driving crank can be driven to rotate, so that the cambered surface of the driving crank abuts against the second pin, and the second rotating part is driven to rotate.
As a further improvement of the scheme, the knee control assembly comprises an operating connecting rod, the operating connecting rod is connected to the third rotating member, the first pin penetrates through a groove in the third rotating member and is fixed on the second rotating member, and when the knee control assembly is driven to rotate, the third rotating member can be driven to abut against the first pin, so that the second rotating member is driven to rotate.
Compared with the prior art, the invention has the beneficial effects that: the invention belongs to the technical field of sewing equipment, and relates to a thread cutting and presser foot lifting structure of a sewing machine, which solves the technical problems of high noise and the like when the thread cutting and presser foot lifting are carried out by the existing sewing machine. The left end of the output shaft can drive the thread trimming mechanism to perform thread trimming action through the thread trimming transmission assembly, and the presser foot lifting mechanism does not perform the presser foot lifting action when the thread trimming mechanism performs the thread trimming action; the right end of the output shaft can drive the presser foot lifting mechanism to perform the presser foot lifting action through the presser foot lifting transmission assembly, and the thread trimming mechanism does not perform the thread trimming action when the presser foot lifting action is performed, and meanwhile, the knee control function of lifting the presser foot is reserved. The invention can realize the simultaneous control of thread cutting and presser foot lifting through one rotary driving source, has more compact and reasonable structure, has better thread cutting effect while reducing the noise of the whole sewing machine, does not interfere with the thread cutting and presser foot lifting, and effectively reduces the failure rate of the sewing machine.
Drawings
FIG. 1 is a perspective view of a thread trimming and presser foot lifting structure of a sewing machine according to the present invention;
FIG. 2 is a schematic view showing the connection relationship between the transmission of the rotary driving source and the thread trimming mechanism;
FIG. 3 is a schematic view of the connection relationship between the driving source and the presser foot lifting mechanism;
fig. 4 is an enlarged view of the trimming cam.
In the figure: 1. A rotary drive source; 11. an output shaft; 2. a thread trimming mechanism; 3. a presser foot lifting mechanism; 31. a vertical axis; 4. a trimming transmission assembly; 41. a trimming cam; 411. a track groove; 42. a first rotating part; 421. a rotating shaft seat; 422. a rotating shaft; 423. a lower swing rod; 4231. an abutting member; 424. an upper swing lever; 425. a return spring; 426. hooking; 43. a swing link assembly; 5. a presser foot lifting transmission assembly; 51. a drive crank; 52. a second rotating part; 521. a second pin; 53. a third rotating part; 54. a first pin; 6. a knee-controlled pressure-raising component; 61. the link is operated.
Detailed Description
As shown in fig. 1, the thread trimming and presser foot lifting structure of the sewing machine according to the embodiment of the present invention includes a rotary drive source 1, a thread trimming mechanism 2, and a presser foot lifting mechanism 3, wherein an output shaft 11 of the rotary drive source 1 penetrates through the left and right ends of the output shaft, a thread trimming transmission assembly 4 is arranged between the left end of the output shaft 11 and the thread trimming mechanism 2, a presser foot lifting transmission assembly 5 is arranged between the right end of the output shaft 11 and the presser foot lifting mechanism 3, and the presser foot lifting transmission assembly 5 is connected with a knee control pressure lifting assembly 6; the left end of the output shaft 11 can drive the thread trimming mechanism 2 to perform thread trimming through the thread trimming transmission component 4, and the presser foot lifting mechanism 3 does not perform presser foot lifting when the thread trimming is performed; the right end of the output shaft 11 can drive the presser foot lifting mechanism 3 to perform the presser foot lifting action through the presser foot lifting transmission assembly 5, and the thread trimming mechanism 2 does not perform the thread trimming action when the presser foot lifting action is performed; the knee-controlled pressure raising component 6 can drive the pressure raising foot mechanism 3 to perform the pressure raising foot action.
As shown in fig. 1 and 2, the thread trimming transmission assembly 4 includes a thread trimming cam 41 and a first rotating member 42, the thread trimming cam 41 is fixed at the left end of the output shaft 11, the first rotating member 42 is arranged on the housing of the sewing machine, the lower end of the first rotating member 42 is matched with the thread trimming cam 41, and the upper end of the first rotating member 42 is hinged to the thread trimming mechanism 2 through a swing link assembly 43; when the output shaft 11 rotates reversely, the swing rod assembly 43 can be driven by the trimming cam 41 and the first rotating part 42 to move back and forth, so as to drive the trimming mechanism 2 to perform trimming. The first rotating part 42 comprises a rotating shaft seat 421 and a rotating shaft 422, the rotating shaft seat 421 is fixed on a machine shell of the sewing machine, the rotating shaft 422 can be rotatably arranged on the rotating shaft seat 421, the upper end of the rotating shaft 422 is connected with an upper swing rod 424, the lower end of the rotating shaft 422 is connected with a lower swing rod 423, the other end of the upper swing rod 424 is hinged with the swing rod assembly 43, the upper swing rod 424 is connected with a return spring 425, the other end of the return spring 425 is hung on a hook 426, the hook 426 is fixed on the machine shell of the sewing machine, the lower swing rod 423 is abutted to the trimming cam 41, and when the output shaft 11 rotates reversely to drive the trimming cam 41, the trimming cam 41 can drive the lower swing rod 423 to swing. The lower swing rod 423 is provided with an abutting piece 4231, and when the output shaft 11 rotates reversely, the wire cutting cam 41 can be driven to drive the abutting piece 4231 to move left and right, so that the lower swing rod 423 is driven to swing. The trimming cam 41 is provided with a rail slot 411 (shown in fig. 4), and the abutting piece 4231 is arranged in the rail slot 411; when the output shaft 11 swings in the reverse direction, the abutment member 4231 swings in the rail groove 411 due to the change in the left-side slope; when the output shaft 11 swings in the forward direction, the abutment 4231 swings in the reverse direction in the rail groove 411 due to the change in the right-side slope until the abutment 4231 abuts on the left-side plane of the rail groove 411.
As shown in fig. 1 and 3, the presser foot lifting transmission assembly 5 includes a driving crank 51, a second rotating member 52, a third rotating member 53 and a first pin 54, the second rotating member 52 is connected to the vertical shaft 31 of the presser foot lifting mechanism 3, the driving crank 51 is fixed to the right end of the output shaft 11 and abuts against the second rotating member 52, the third rotating member 53 is connected to the second rotating member 52 through the first pin 54, and the knee control assembly 6 is connected to the third rotating member 53. The second rotating part 52 is provided with a second pin 521 which can abut against the cambered surface of the driving crank 51, and when the output shaft 11 rotates forwards, the driving crank 51 can be driven to rotate, so that the cambered surface of the driving crank 51 abuts against the second pin 521, and the second rotating part 52 is driven to rotate. The knee control assembly 6 comprises an operating connecting rod 61, the operating connecting rod 61 is connected to the third rotating part 53, the first pin 54 penetrates through a groove in the third rotating part 53 and is fixed on the second rotating part 52, and when the knee control assembly 6 is driven to rotate, the third rotating part 53 can be driven to abut against the first pin 54, so that the second rotating part 52 is driven to rotate.
The invention belongs to the technical field of sewing equipment, and relates to a thread cutting and presser foot lifting structure of a sewing machine, which solves the technical problems of high noise and the like when the thread cutting and presser foot lifting are carried out by the existing sewing machine. The left end of the output shaft can drive the thread trimming mechanism to execute thread trimming action through the thread trimming transmission component, and the presser foot lifting mechanism does not execute the presser foot lifting action when the thread trimming mechanism executes the thread trimming action; the right end of the output shaft can drive the presser foot lifting mechanism to perform the presser foot lifting action through the presser foot lifting transmission assembly, and the thread trimming mechanism does not perform the thread trimming action when the presser foot lifting action is performed, and meanwhile, the knee control function of lifting the presser foot is reserved. The invention can realize the simultaneous control of thread cutting and presser foot lifting through one rotary driving source, has more compact and reasonable structure, has better thread cutting effect while reducing the noise of the whole sewing machine, does not interfere with the thread cutting and presser foot lifting, and effectively reduces the failure rate of the sewing machine.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a presser foot structure is lifted to sewing machine's trimming which characterized in that: the automatic thread-lifting and pressing device comprises a rotary driving source (1), a thread-cutting mechanism (2) and a pressing foot-lifting mechanism (3), wherein an output shaft (11) of the rotary driving source (1) penetrates through the left end and the right end of the rotary driving source, a thread-cutting transmission assembly (4) is arranged between the left end of the output shaft (11) and the thread-cutting mechanism (2), a pressing foot-lifting transmission assembly (5) is arranged between the right end of the output shaft (11) and the pressing foot-lifting mechanism (3), and the pressing foot-lifting transmission assembly (5) is connected with a knee-control pressing assembly (6); the left end of the output shaft (11) can drive the thread trimming mechanism (2) to execute thread trimming action through the thread trimming transmission component (4), and the presser foot lifting mechanism (3) does not execute presser foot lifting action when executing thread trimming action; the right end of the output shaft (11) can drive the presser foot lifting mechanism (3) to perform presser foot lifting action through the presser foot lifting transmission assembly (5), and the thread trimming mechanism (2) does not perform thread trimming action when the presser foot lifting action is performed; the knee-controlled pressure lifting component (6) can drive the pressure lifting mechanism (3) to perform pressure lifting action.
2. The thread trimming and presser foot lifting structure of a sewing machine according to claim 1, wherein: the thread trimming transmission assembly (4) comprises a thread trimming cam (41) and a first rotating piece (42), the thread trimming cam (41) is fixed at the left end of the output shaft (11), the first rotating piece (42) is arranged on a shell of the sewing machine, the lower end of the first rotating piece (42) is matched with the thread trimming cam (41), and the upper end of the first rotating piece (42) is hinged with the thread trimming mechanism (2) through a swing rod assembly (43); when the output shaft (11) rotates reversely, the swing rod assembly (43) can be driven to move back and forth through the trimming cam (41) and the rotating piece I (42), so that the trimming mechanism (2) is driven to perform trimming.
3. The thread trimming and presser foot lifting structure of a sewing machine according to claim 2, wherein: rotate piece (42) including pivot seat (421) and pivot (422), pivot seat (421) are fixed on sewing machine's casing, pivot (422) are rotatable to be established on pivot seat (421), pivot (422) upper end is connected with swinging arms (424), pivot (422) lower extreme is connected with swing rod (423) down, the other end of going up swinging arms (424) with swing rod subassembly (43) form articulatedly, go up and be connected with reset spring (425) on swinging arms (424), the other end of reset spring (425) is hung on a couple (426), couple (426) are fixed on sewing machine's casing, swing rod (423) down with trimming cam (41) looks butt, works as output shaft (11) reversal drives during trimming cam (41), trimming cam (41) can order about the swing rod (423) swing down.
4. The thread trimming and presser foot lifting structure of sewing machine according to claim 3, characterized in that: the lower swing rod (423) is provided with an abutting piece (4231), and when the output shaft (11) rotates reversely, the wire cutting cam (41) can be driven to drive the abutting piece (4231) to move left and right, so that the lower swing rod (423) is driven to swing.
5. The thread trimming and presser foot lifting structure of a sewing machine according to claim 4, wherein: the trimming cam (41) is provided with a track groove (411), and the abutting piece (4231) is arranged in the track groove (411); when the output shaft (11) swings reversely, the abutting piece (4231) swings in the track groove (411) due to left side slope change; when the output shaft (11) swings in the forward direction, the abutting piece (4231) swings in the reverse direction in the rail groove (411) due to the change in the right slope until the abutting piece (4231) abuts against the left side plane of the rail groove (411).
6. The thread trimming and presser foot lifting structure of a sewing machine according to any one of claims 1 to 5, wherein: the presser foot lifting transmission assembly (5) comprises a driving crank (51), a second rotating part (52), a third rotating part (53) and a first pin (54), the second rotating part (52) is connected to a vertical shaft (31) of the presser foot lifting mechanism (3), the driving crank (51) is fixed at the right end of the output shaft (11) and is abutted to the second rotating part (52), the third rotating part (53) is connected to the second rotating part (52) through the first pin (54), and the knee control assembly (6) is connected to the third rotating part (53).
7. The thread trimming and presser foot lifting structure of sewing machine according to claim 6, characterized in that: the second rotating piece (52) is provided with a second pin (521) which can abut against the cambered surface of the driving crank (51), and when the output shaft (11) rotates forwards, the driving crank (51) can be driven to rotate, so that the cambered surface of the driving crank (51) abuts against the second pin (521), and the second rotating piece (52) is driven to rotate.
8. The thread trimming and presser foot lifting structure of a sewing machine according to claim 7, wherein: contain operation connecting rod (61) on knee accuse subassembly (6), operation connecting rod (61) are connected rotate on the piece three (53), round pin one (54) pass and rotate the groove on the piece three (53) and fix rotate on the piece two (52), when driving about knee accuse subassembly (6) rotate the time can drive rotate piece three (53) with round pin one (54) butt, thereby drive rotate piece two (52) and rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211452563.5A CN115573114A (en) | 2022-11-21 | 2022-11-21 | Presser foot structure is lifted to sewing machine's trimming |
| PCT/CN2022/139435 WO2024108698A1 (en) | 2022-11-21 | 2022-12-16 | Thread trimming and presser foot lifting structure of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211452563.5A CN115573114A (en) | 2022-11-21 | 2022-11-21 | Presser foot structure is lifted to sewing machine's trimming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115573114A true CN115573114A (en) | 2023-01-06 |
Family
ID=84589964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211452563.5A Pending CN115573114A (en) | 2022-11-21 | 2022-11-21 | Presser foot structure is lifted to sewing machine's trimming |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115573114A (en) |
| WO (1) | WO2024108698A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1485276B1 (en) * | 1965-04-07 | 1969-09-04 | Pfaff Ag G M | Sewing machine with a device for pulling out the needle and looper thread before cutting through |
| TWI611063B (en) * | 2016-09-30 | 2018-01-11 | 啟翔股份有限公司 | Thread Trimmer of Post-Bed Sewing Machine |
| CN109629127B (en) * | 2019-01-07 | 2021-10-15 | 杰克缝纫机股份有限公司 | Knee of sewing machine leans on and lifts presser foot device |
| CN109722797A (en) * | 2019-03-23 | 2019-05-07 | 浙江美机缝纫机有限公司 | A kind of thread-trimming lifter-presser foot mechanism of sewing machine |
| CN112064220A (en) * | 2020-09-09 | 2020-12-11 | 浙江美机缝纫机有限公司 | Presser foot mechanism is lifted to sewing machine's trimming |
| CN215328686U (en) * | 2020-12-15 | 2021-12-28 | 台州市速普机电有限公司 | Presser foot mechanism is lifted to sewing machine's trimming |
| CN215668495U (en) * | 2021-06-25 | 2022-01-28 | 西安标准工业股份有限公司 | Single-step-feed control thread trimming pressure lifting foot and needle pitch adjusting mechanism |
-
2022
- 2022-11-21 CN CN202211452563.5A patent/CN115573114A/en active Pending
- 2022-12-16 WO PCT/CN2022/139435 patent/WO2024108698A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024108698A1 (en) | 2024-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021184647A1 (en) | Feed lifting rock trimming assembly and sewing machine comprising same | |
| CN115573114A (en) | Presser foot structure is lifted to sewing machine's trimming | |
| KR20030088366A (en) | Sewing machine | |
| CN218711380U (en) | Lift presser foot mechanism and flat seaming machine | |
| CN213538360U (en) | Single-motor flat car sewing machine | |
| CN217174026U (en) | Driving and adjusting mechanism in sewing machine | |
| CN213866784U (en) | Double-motor flat car sewing machine | |
| CN204455512U (en) | A kind of Sewing machines | |
| CN112048836B (en) | Sewing machine | |
| CN216919641U (en) | Presser foot mechanism is lifted in sewing machine's slide bar transmission | |
| CN105908397B (en) | The driving device and sewing machine of thread cutting mechanism of sewing machine | |
| JP3824923B2 (en) | 2-needle sewing machine | |
| CN215829016U (en) | Feed dog driving mechanism of sewing machine | |
| CN215561058U (en) | Driving mechanism of sewing machine | |
| CN213896256U (en) | Sewing machine | |
| CN214655674U (en) | Overedger and trimming and presser foot lifting device thereof | |
| CN219450099U (en) | Vertically-mounted thread cutting driving device and flat seaming machine comprising same | |
| CN213538356U (en) | Single-motor flat car sewing machine | |
| CN216688582U (en) | Driving mechanism for lifting presser foot, cutting thread and loosening thread in sewing machine | |
| CN209836493U (en) | Driving device for trimming and lifting presser foot on sewing machine | |
| CN221192569U (en) | Transmission structure of hitching machine and hitching machine | |
| CN214694598U (en) | Mounting structure of presser foot lifting mechanism of sewing machine | |
| CN214736595U (en) | Thread trimming and presser foot lifting mechanism of flat seaming machine | |
| CN212771306U (en) | Presser foot lifting mechanism of sewing machine | |
| CN213739962U (en) | Rear tug mechanism for automatic lifting of sewing machine |
Legal Events
| 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 |