CN113770295A - A riveting device for supporting blocks on glass conveyor chains - Google Patents
A riveting device for supporting blocks on glass conveyor chains Download PDFInfo
- Publication number
- CN113770295A CN113770295A CN202111190637.8A CN202111190637A CN113770295A CN 113770295 A CN113770295 A CN 113770295A CN 202111190637 A CN202111190637 A CN 202111190637A CN 113770295 A CN113770295 A CN 113770295A
- Authority
- CN
- China
- Prior art keywords
- riveting
- chain
- rod
- glass conveying
- glass
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L9/00—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
- B21L9/02—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains of roller-chain or other plate-link type
- B21L9/06—Sorting, feeding, assembling, riveting, or finishing parts of chains
- B21L9/065—Assembling or disassembling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L9/00—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
- B21L9/02—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains of roller-chain or other plate-link type
- B21L9/08—Combining the chain links with auxiliary parts, e.g. welding-on wear-resistant parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Chain Conveyers (AREA)
Abstract
本发明提供了一种玻璃输送链上支撑块的铆接设备，属于玻璃生产设备技术领域。铆接设备包括机架、上压机构、下压机构和两个分别位于机架两端的链轮，上压机构包括液压缸和固定在液压缸推杆上的上压头，下压机构包括固定在机架上的安装块、纵向滑动连接在安装块上的下压杆、转动连接在安装块上的驱动轴和能够驱使驱动轴旋转的减速电机，下压杆上具有纵向设置的齿条，驱动轴上设置有与齿条啮合的外齿圈，上压头和下压杆处于同一直线上，两个链轮牵引的封闭链条上的铆钉能够位于上压头和下压杆之间。本发明具有安全性高、效率高等优点。
The invention provides a riveting device for supporting blocks on a glass conveying chain, which belongs to the technical field of glass production equipment. The riveting equipment includes a frame, an upper pressing mechanism, a lower pressing mechanism and two sprockets located at both ends of the frame. The upper pressing mechanism includes a hydraulic cylinder and an upper pressing head fixed on the push rod of the hydraulic cylinder. A mounting block on the frame, a pressing rod longitudinally slidingly connected to the mounting block, a drive shaft rotatably connected to the mounting block, and a deceleration motor capable of driving the driving shaft to rotate, the pressing rod has a longitudinally arranged rack, which drives the The shaft is provided with an external gear ring meshing with the rack, the upper pressure head and the lower pressure rod are on the same line, and the rivets on the closed chain pulled by the two sprockets can be located between the upper pressure head and the lower pressure rod. The invention has the advantages of high safety and high efficiency.
Description
Technical Field
The invention belongs to the technical field of glass production equipment, and relates to riveting equipment for a support block on a glass conveying chain.
Background
Glass conveying chain of vertical transport usefulness of glass comprises two conveyor chains, the fixed supporting shoe that is provided with on conveyor chain's commentaries on classics round pin, because carry out spacing flange to the glass side on the supporting shoe and be the rubber spare (avoid causing wearing and tearing to glass), the supporting shoe comprises clamping piece and two parts of rubber piece, need rivet the rubber piece on the clamping piece when making conveyor chain, and simultaneously, because the rubber piece wearing and tearing are serious, need regularly change the rubber piece, consequently, it is frequent to carry out riveted equipment use to glass conveyor chain, traditional manual riveting not only efficiency is lower, and cause incident such as pressing the hand easily.
Disclosure of Invention
The invention aims to provide riveting equipment for a support block on a glass conveying chain, aiming at solving the technical problem of improving the safety and efficiency of riveting.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a riveting equipment of bracer on glass conveying chain, its characterized in that, glass conveying chain include the closed chain of compriseing a plurality of chain links, be provided with a plurality of supporting components on the closed chain, supporting component includes the clamping piece of fixing on the commentaries on classics round pin of chain link and fixes the sheet rubber on the clamping piece, the sheet rubber includes the section of inserting and is located the spacing strip of section of inserting outer end, the clamping piece includes two grip blocks, the section of inserting is through at least two fix with rivet between two grip blocks, riveting equipment includes frame, upper pressure mechanism, pushing down mechanism and two sprocket that are located the frame both ends respectively, upper pressure mechanism includes the pneumatic cylinder and fixes the upper pressure head on the pneumatic cylinder push rod, pushing down mechanism is including fixing installation piece in the frame, vertical sliding connection is on the installation piece depression bar, rotate the drive shaft of connection on the installation piece and can order to drive the rotatory gear motor of drive shaft, the lower pressing rod is provided with a rack which is longitudinally arranged, the driving shaft is provided with an outer gear ring which is meshed with the rack, the upper pressing head and the lower pressing rod are positioned on the same straight line, and the rivet on the closed chain which is drawn by the two chain wheels can be positioned between the upper pressing head and the lower pressing rod.
Furthermore, have the jack with rivet one-to-one on the insertion section, the inner wall of jack has a spacing bulge loop, have the spacing annular that corresponds with spacing bulge loop on the rivet.
Furthermore, the outer side surface of the clamping plate far away from the limiting strip is provided with a guide groove, and the mounting block is provided with a guide convex strip matched with the guide groove.
Further, the chain wheel is driven by a servo motor.
Furthermore, the frame includes the support plate and is located the support plate below and dodges the passageway, two straight sections of closed chain are located the support plate top respectively and dodge in the passageway.
Furthermore, the lower pressing rod can partially extend out of the side surface of the guide convex strip, and the side surface of the guide convex strip is provided with a positioning opening.
Furthermore, the side surface of the limiting strip close to one side of the rivet is provided with an alignment opening matched with the lower press rod.
Further, the end of the guide convex strip is provided with a guide inclined plane.
The two sealing chains are symmetrically distributed, the area between the two limiting strips is a limiting area of the glass end face, and a wheel structure for driving the edge sealing chain to rotate and a supporting guide rail matched with the guide groove are also arranged on the glass conveying equipment.
Two servo motor driven sprockets order about the closed chain rotatory, two straight sections of closed chain are located both ends about the support plate respectively, ensure to seal two smooth and easy of operation, the sheet rubber on the closed chain that does not rivet can be reliably connected with the clamping piece, this is because the inner wall of jack has a spacing bulge loop, the sheet rubber is the rubber material, certain elasticity has, the spacing annular that corresponds with spacing bulge loop has on the rivet, the manual work inserts the rivet in the jack that corresponds, under the effect of spacing annular and spacing bulge loop, the rivet can not break away from the sheet rubber, also can cross to make the sheet rubber be connected with two grip blocks.
During riveting, the servo motor drives the closed chain to operate, and when the rivet is positioned between the upper pressure head and the lower pressure rod, the upper pressure head and the lower pressure rod move in the same direction, so that the two ends of the rivet are extruded and expanded, and the clamping plate and the rubber sheet are fixed.
When the rivet does not reach between the upper pressing head and the lower pressing rod, the outer gear ring on the driving shaft is meshed with the rack on the lower pressing rod, so that the lower pressing rod retracts, the upper pressing head also retracts under the action of the hydraulic cylinder, the lower end of the rivet can smoothly reach the position of the lower pressing rod under the action of the guide inclined plane, namely, the lower pressing rod reaches the positioning opening, at the moment, the closed chain continuously moves to bear larger resistance, and the riveting precision can be improved by the aligning opening at the moment.
Through this equipment, the operator can realize the riveting through observing, need not the manual work and aims at the rivet or control and seal the chain, has improved the security of operation greatly.
Drawings
Fig. 1 is a schematic structural view of a riveting apparatus of a support block on a glass conveying chain.
Fig. 2 is a schematic structural view of two closed chains in a state of supporting glass.
Fig. 3 is a schematic view of the structure of a closed chain.
Fig. 4 is a schematic view of the bottom structure of fig. 1.
Fig. 5 is a schematic structural view of the support assembly.
Fig. 6 is an exploded view of fig. 5.
Fig. 7 is a schematic structural view of the support assembly between the pressing mechanism and the pressing mechanism before riveting.
Fig. 8 is an enlarged view of a portion a in fig. 7.
Fig. 9 is an enlarged view of a portion B in fig. 1.
In the figure, 1, a chain link; 21. an insertion section; 22. a limiting strip; 23. a clamping plate; 24. riveting; 3. a frame; 31. a sprocket; 32. a hydraulic cylinder; 33. an upper pressure head; 34. mounting blocks; 35. a lower pressure lever; 36. a drive shaft; 37. a reduction motor; 38. an outer ring gear; 41. a limit convex ring; 42. a limiting ring groove; 51. a guide groove; 52. a guide convex strip; 53. a servo motor; 54. a carrier plate; 55. avoiding the channel; 61. positioning the opening; 62. aligning the port; 63. a guide slope.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 2-6, the glass conveying chain comprises a closed chain composed of a plurality of chain links 1, a plurality of supporting components are arranged on the closed chain, the supporting components comprise clamping pieces fixed on rotating pins of the chain links 1 and rubber pieces fixed on the clamping pieces, each rubber piece comprises an insertion section 21 and a limiting strip 22 positioned at the outer end of the insertion section 21, each clamping piece comprises two clamping plates 23, the insertion section 21 is fixed between the two clamping plates 23 through at least two rivets 24, as shown in fig. 1, 7, 8 and 9, the riveting device comprises a frame 3, an upper pressing mechanism, a lower pressing mechanism and two chain wheels 31 respectively positioned at two ends of the frame 3, the upper pressing mechanism comprises a hydraulic cylinder 32 and an upper pressing head 33 fixed on a pushing rod of the hydraulic cylinder 32, the lower pressing mechanism comprises a mounting block 34 fixed on the frame 3, a lower pressing rod 35 longitudinally and slidably connected on the mounting block 34, a driving shaft 36 rotatably connected on the mounting block 34 and a speed reducing motor 37 capable of driving the driving shaft 36 to rotate, the lower pressure rod 35 is provided with a longitudinally arranged rack, the driving shaft 36 is provided with an outer gear ring 38 meshed with the rack, the upper pressure head 33 and the lower pressure rod 35 are positioned on the same straight line, and the rivet 24 on the closed chain drawn by the two chain wheels 31 can be positioned between the upper pressure head 33 and the lower pressure rod 35.
The inserting section 21 is provided with inserting holes corresponding to the rivets 24 one by one, the inner wall of each inserting hole is provided with a limiting convex ring 41, and the rivets 24 are provided with limiting ring grooves 42 corresponding to the limiting convex rings 41.
The outer side surface of the clamping plate 23 far away from the limiting strip 22 is provided with a guide groove 51, and the mounting block 34 is provided with a guide convex strip 52 matched with the guide groove 51.
The sprocket 31 is driven by a servo motor 53.
The frame 3 comprises a carrier plate 54 and an escape route 55 located below the carrier plate 54, and two straight sections of the closed chain are located above the carrier plate 54 and in the escape route 55, respectively.
The push-down lever 35 can partially protrude out of the side surface of the guide rib 52, and the side surface of the guide rib 52 has a positioning opening 61.
The side of the stop strip 22 adjacent the rivet 24 has an alignment opening 62 that mates with the hold-down bar 35.
The end of the guide rib 52 has a guide slope 63.
The two sealing chains are symmetrically distributed, the area between the two limiting strips 22 is a limiting area of the glass end face, and a wheel structure for driving the edge sealing chain to rotate and a supporting guide rail matched with the guide groove 51 are also arranged on the glass conveying equipment, so that the supporting component participates in the transmission of the edge sealing chain and is only used for supporting glass, the requirement on the riveting strength of the clamping plate 23 and the rubber sheet is relatively low, the rivet 24 can be made of relatively soft metal, and the requirement on the action strength of an upper pressing mechanism and a lower pressing mechanism is relatively low.
Two sprockets 31 that servo motor 53 drove orders about the closed chain rotatory, two straight sections of closed chain are located support plate 54 upper and lower both ends respectively, guarantee to seal two smooth and easy of operation, the sheet rubber on the closed chain that does not rivet can be reliably connected with the clamping piece, this is because the inner wall of jack has a spacing bulge loop 41, the sheet rubber is the rubber material, certain elasticity has, spacing annular 42 that corresponds with spacing bulge loop 41 has on the rivet 24, the manual work inserts rivet 24 in the jack that corresponds, under the effect of spacing annular 42 and spacing bulge loop 41, rivet 24 can not break away from the sheet rubber, also can cross to make the sheet rubber be connected with two grip blocks 23.
During riveting, the servo motor 53 drives the closed chain to run, when the rivet 24 is positioned between the upper pressure head 33 and the lower pressure rod 35, the upper pressure head 33 and the lower pressure rod 35 move in the same direction, so that the two ends of the rivet 24 are extruded and expanded, and the clamping plate 23 and the rubber sheet are fixed.
When the rivet 24 does not reach between the upper pressure head 33 and the lower pressure rod 35, the outer gear ring 38 on the driving shaft 36 is meshed with the rack on the lower pressure rod 35, so that the lower pressure rod 35 retracts, the upper pressure head 33 also retracts under the action of the hydraulic cylinder 32, the lower end of the rivet 24 can smoothly reach the position of the lower pressure rod 35 under the action of the guide inclined surface 63, namely, the positioning opening 61 is reached, at the moment, the closed chain continues to move to be subjected to large resistance, and at the moment, the alignment opening 62 can improve the riveting precision.
Through this equipment, the operator can realize riveting through observing, need not artifical alignment rivet 24 or control closed chain, has improved the security of operation greatly.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a riveting equipment of bracer on glass conveying chain, its characterized in that, glass conveying chain include the closed chain of constituteing by a plurality of chain links (1), be provided with a plurality of supporting components on the closed chain, supporting component is including fixing the clamping piece on the commentaries on classics round pin of chain link (1) and fixing the sheet rubber on the clamping piece, the sheet rubber is including inserting section (21) and spacing (22) that are located insertion section (21) outer end, the clamping piece includes two grip blocks (23), insertion section (21) are fixed between two grip blocks (23) through at least two rivets (24), riveting equipment includes frame (3), upward pressure mechanism, pushes down the mechanism and two sprocket (31) that are located frame (3) both ends respectively, upward pressure mechanism includes pneumatic cylinder (32) and fixes last pressure head (33) on pneumatic cylinder (32) push rod, the lower pressing mechanism comprises an installation block (34) fixed on the rack (3), a lower pressing rod (35) longitudinally connected to the installation block (34) in a sliding mode, a driving shaft (36) rotatably connected to the installation block (34) and a speed reduction motor (37) capable of driving the driving shaft (36) to rotate, a rack longitudinally arranged on the lower pressing rod (35), an outer gear ring (38) meshed with the rack is arranged on the driving shaft (36), the upper pressing head (33) and the lower pressing rod (35) are located on the same straight line, and rivets (24) on a closed chain pulled by two chain wheels (31) can be located between the upper pressing head (33) and the lower pressing rod (35).
2. The riveting equipment for the support block on the glass conveying chain according to claim 1, characterized in that the inserting section (21) is provided with inserting holes corresponding to the rivets (24) one by one, the inner wall of the inserting holes is provided with a limiting convex ring (41), and the rivets (24) are provided with limiting ring grooves (42) corresponding to the limiting convex ring (41).
3. The riveting equipment for the support block on the glass conveying chain according to the claim 1 or 2, characterized in that the outer side surface of the clamping plate (23) far away from the limiting strip (22) is provided with a guide groove (51), and the mounting block (34) is provided with a guide convex strip (52) matched with the guide groove (51).
4. Riveting apparatus of support blocks on a glass conveying chain according to claim 1 or 2, characterized in that the sprocket (31) is driven by a servomotor (53).
5. The riveting apparatus of a support block on a glass conveyor chain according to claim 1 or 2, characterized in that the machine frame (3) comprises a carrier plate (54) and an avoidance channel (55) located below the carrier plate (54), the two straight sections of the closed chain being located above the carrier plate (54) and in the avoidance channel (55), respectively.
6. The apparatus for riveting a support block on a glass conveying chain according to claim 3, wherein the push-down lever (35) can partially protrude beyond the side of the guide rib (52), the side of the guide rib (52) having a positioning opening (61).
7. The apparatus for riveting a support block on a glass conveying chain according to claim 6, wherein the side of the limit stop strip (22) close to the rivet (24) is provided with an alignment port (62) matched with the lower pressing rod (35).
8. The apparatus for riveting a support block on a glass conveyor chain according to claim 6, wherein the end of the guide rib (52) has a guide slope (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190637.8A CN113770295B (en) | 2021-10-13 | 2021-10-13 | Riveting equipment for supporting blocks on glass conveying chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190637.8A CN113770295B (en) | 2021-10-13 | 2021-10-13 | Riveting equipment for supporting blocks on glass conveying chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113770295A true CN113770295A (en) | 2021-12-10 |
| CN113770295B CN113770295B (en) | 2025-01-17 |
Family
ID=78871278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111190637.8A Active CN113770295B (en) | 2021-10-13 | 2021-10-13 | Riveting equipment for supporting blocks on glass conveying chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113770295B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057708A (en) * | 1990-06-27 | 1992-01-08 | 戈罗股份有限公司 | The belt lacer of line belt and clamp device |
| CN202097359U (en) * | 2011-04-26 | 2012-01-04 | 苏州市天烨机械工程有限公司 | Riveting mould |
| CN207447261U (en) * | 2017-10-31 | 2018-06-05 | 佛山市高明杰之恒金属制品有限公司 | A kind of squeeze riveter |
| CN209209902U (en) * | 2018-10-31 | 2019-08-06 | 佛山市乐淇玻璃科技有限公司 | A kind of tempered glass batch production Rapid Circulation conveying mechanism |
| CN210817278U (en) * | 2019-10-11 | 2020-06-23 | 青岛征和工业股份有限公司 | Automatic chain harrow rivet upsetting and riveting device |
| DE102019118874A1 (en) * | 2019-07-11 | 2021-01-14 | Iwis Antriebssysteme Gmbh & Co. Kg | Chain attachment and method of manufacture |
| CN112520419A (en) * | 2020-12-21 | 2021-03-19 | 芜湖金三氏数控科技有限公司经开区分公司 | Conveyer of glass production usefulness |
| CN216461548U (en) * | 2021-10-13 | 2022-05-10 | 咸宁南玻节能玻璃有限公司 | A riveting device for supporting blocks on glass conveyor chains |
-
2021
- 2021-10-13 CN CN202111190637.8A patent/CN113770295B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1057708A (en) * | 1990-06-27 | 1992-01-08 | 戈罗股份有限公司 | The belt lacer of line belt and clamp device |
| CN202097359U (en) * | 2011-04-26 | 2012-01-04 | 苏州市天烨机械工程有限公司 | Riveting mould |
| CN207447261U (en) * | 2017-10-31 | 2018-06-05 | 佛山市高明杰之恒金属制品有限公司 | A kind of squeeze riveter |
| CN209209902U (en) * | 2018-10-31 | 2019-08-06 | 佛山市乐淇玻璃科技有限公司 | A kind of tempered glass batch production Rapid Circulation conveying mechanism |
| DE102019118874A1 (en) * | 2019-07-11 | 2021-01-14 | Iwis Antriebssysteme Gmbh & Co. Kg | Chain attachment and method of manufacture |
| CN210817278U (en) * | 2019-10-11 | 2020-06-23 | 青岛征和工业股份有限公司 | Automatic chain harrow rivet upsetting and riveting device |
| CN112520419A (en) * | 2020-12-21 | 2021-03-19 | 芜湖金三氏数控科技有限公司经开区分公司 | Conveyer of glass production usefulness |
| CN216461548U (en) * | 2021-10-13 | 2022-05-10 | 咸宁南玻节能玻璃有限公司 | A riveting device for supporting blocks on glass conveyor chains |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113770295B (en) | 2025-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014047756A1 (en) | Hydraulic chain riveting machine | |
| CN108515333A (en) | A kind of chain tears section machine open | |
| CN106393163A (en) | Diaphragm disc spring feeding mechanical arm of diaphragm disc spring feeding machine | |
| CN216461548U (en) | A riveting device for supporting blocks on glass conveyor chains | |
| CN113770295A (en) | A riveting device for supporting blocks on glass conveyor chains | |
| CN109967631A (en) | Mold changing system for rapidly switching molds | |
| CN109702138B (en) | Double-row chain pre-tensioning and knot removing device | |
| CN207748409U (en) | A kind of tooling slat production line | |
| CN213797656U (en) | Automatic production equipment for rubber track | |
| CN213002301U (en) | Automatic efficient unloading mechanism for punch press | |
| CN113084754B (en) | Automatic tail board dismounting device | |
| CN208304934U (en) | A kind of chain tears section machine open | |
| CN216989762U (en) | Automatic chain ring riveting equipment | |
| CN202462930U (en) | Mould fast-changing device | |
| CN216655965U (en) | Mechanical punch for processing tubular workpiece for preventing impact deviation | |
| CN214191289U (en) | Automatic pitch-changing device | |
| CN2158185Y (en) | Conveyor for shoe making prodn. line | |
| CN205147213U (en) | Escalator step chain transfer lines of assembling | |
| CN113751604B (en) | One-step automatic riveting device for color steel bridge | |
| CN211413549U (en) | Movable hydraulic link dismounting and ring-connecting equipment for large-size chains | |
| CN210210802U (en) | Hydraulic anti-skid positioning device | |
| CN113649521A (en) | An automatic assembly machine for pinning chain | |
| CN221414915U (en) | Automatic sectional riveting machine for transmission chain | |
| CN113751583B (en) | Automatic production equipment for color steel bridge | |
| CN214722088U (en) | Automatic dismounting device of bolt |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |