CN102900819A - Synchronous belt tensioning mechanism on sewing machine - Google Patents
Synchronous belt tensioning mechanism on sewing machine Download PDFInfo
- Publication number
- CN102900819A CN102900819A CN201210407553XA CN201210407553A CN102900819A CN 102900819 A CN102900819 A CN 102900819A CN 201210407553X A CN201210407553X A CN 201210407553XA CN 201210407553 A CN201210407553 A CN 201210407553A CN 102900819 A CN102900819 A CN 102900819A
- Authority
- CN
- China
- Prior art keywords
- accessory
- regulating
- adjusting
- joint
- transverse axis
- 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
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines, and particularly relates to a synchronous belt tensioning mechanism on a sewing machine. The tensioning mechanism comprises a tension pulley arranged at one side of a synchronous belt, wherein the tension pulley is rotatably arranged on a tension pulley supporting shaft; the tension pulley supporting shaft is fixed to a crank, or the tension pulley supporting shaft and the crank are in an integral structure; the crank comprises a cross shaft rotatably mounted to a case; the shaft line of the tension pulley supporting shaft is parallel to the cross shaft on the crank; an adjusting fitting is fixedly connected to the end of the cross shaft extending out of the case; an adjusting drawbar is articulated to the adjusting fitting; an adjusting device is connected to the tail end of the adjusting drawbar; and the adjusting device can adjust the position of the adjusting drawbar to in turn adjust the position of the tension pulley. According to the invention, an adjusting nut is arranged on a side face of the case of the sewing machine, and when adjustment is needed, a screw fixed by the nut to a fixed plate is unscrewed, and the adjusting nut is unscrewed to move, and parts and fittings, such as an electric cabinet or a rear end cap, do not need to be disassembled and assembled, the synchronous belt is stable in transmission, a rotating shuttle is stable in thread hooking, and the synchronous belt tensioning mechanism is simple and convenient, and suitable to be used on all sewing machines.
Description
Technical field:
The invention belongs to the sewing machine technique field, refer in particular to the Timing Belt tensioning mechanism on a kind of sewing machine.
Background technique:
Idle wheel is the tension device with transmission, when the centre distance of band can not be regulated, can adopt Idle wheel will be with tensioning.Timing Belt on the sewing machine, the phenomenon of pine can appear in Timing Belt after using the regular hour.When Timing Belt is crossed pine, the rotation of transmitting will be unstable, thereby cause the nonsynchronous phenomenon of rotational hysteresis, Timing Belt of lower shaft of sewing machine, when Timing Belt is unstable, it is unstable that meeting generation rotating shuttle colludes line, thereby bouncing pilotage, broken needle phenomenon occur, and the quality of product that will produce quality and the client of sewing machine itself like this all produces certain impact.Because Timing Belt is to be sleeved between main shaft and the lower shaft, the position between main shaft and the lower shaft is fixed, and makes the work of Timing Belt bend in one direction re-tensioning thereby Idle wheel then need to be set in a side of Timing Belt.Therefore, the mechanism that the degree of tightness of regulating Timing Belt uses being set is very important.Because the slack and undisciplined degree of Timing Belt is different, need to regulate the position of Idle wheel so that Timing Belt reaches best tensioning state.At present, the adjusting portion of the Idle wheel controlling mechanism on the sewing machine is divided on the ear end face that is provided with sewing machine case.On the ear end face of sewing machine case, all be fixed with electric control box or rear end cover.When need to readjust, all needing needs again after adjusting again electric control box or rear end cover to be reinstalled with just adjusting after electric control box or the rear end cover dismounting at every turn.Each position dismounting trouble of regulating Idle wheel, complex procedures, length consuming time, it is very inconvenient to use.
Summary of the invention:
The purpose of this invention is to provide the Timing Belt tensioning mechanism on a kind of sewing machine that can adjust from the side Idle wheel position, easy to adjust, compact structure.
The present invention is achieved in that
Timing Belt tensioning mechanism on a kind of sewing machine, be arranged on the Idle wheel of Timing Belt one side, Idle wheel can be rotatably set on the Idle wheel supporting axle, the Idle wheel supporting axle is fixed on the crank or Idle wheel supporting axle and crank are the integral type structure, include the transverse axis that is rotatably installed on the casing on the crank, the axis of Idle wheel supporting axle and the transverse axis on the crank, an end that stretches out the outer transverse axis of casing is fixed with the adjusting accessory, regulate on the accessory and be hinged with regulating tie bar, the tail end of regulating tie bar is connected with controlling device, the position of the position of controlling device capable of regulating regulating tie bar and then adjusting Idle wheel.
Above-mentioned Idle wheel can be rotatably set on the Idle wheel supporting axle: be installed with bearing at the Idle wheel supporting axle, at bearing outside Idle wheel be housed.
Being hinged with regulating tie bar on the above-mentioned adjusting accessory is: the upper end of regulating accessory is fixed on an end that stretches out the outer transverse axis of casing, and lower end and the joint of regulating accessory are hinged, are fixed with regulating tie bar on the joint.
The upper end of above-mentioned adjusting accessory is fixed on an end that stretches out the outer transverse axis of casing: the upper end of regulating accessory is provided with mounting hole, the upper end of regulating accessory is sleeved on the transverse axis, be respectively arranged with in the mounting hole on transverse axis on relevant position and the adjusting accessory and prevent from regulating accessory around the plane that cooperatively interacts of transverse axis rotation, transverse axis between casing and adjusting accessory inboard is provided with back-up ring, be provided with nut at the transverse axis of regulating the accessory outside, the upper end that back-up ring and nut will be regulated accessory is positioned on the transverse axis.
The lower end of above-mentioned adjusting accessory and joint is hinged is: the lower end of regulating accessory is provided with bar-shaped trough, described joint is U-joint, opening end at joint is provided with pin shaft hole and the tapped hole that axis is parallel to transverse axis, pin shaft hole and tapped hole axis conllinear, fixing pin is located in the bar-shaped trough of regulating accessory, one end of fixing pin is arranged in the pin shaft hole, threaded end is arranged in the tapped hole, is being set with packing ring near a side of the adjusting accessory lower end of pin shaft hole and the fixing pin between the joint.
The concrete structure that is fixed with regulating tie bar on the above-mentioned joint is: regulating tie bar is comprised of head and bar section, head is arranged on the closed end that closed end is interior, joint passes in bar section of joint, the tail end of bar section is provided with outside thread, the bar section that is arranged on outside the joint is provided with positioning ring near tab closure end place, and positioning ring is fixed on head in the closed end of joint.
Above-mentioned controlling device is: include and decide plate and an end and be arranged on the adjusting nut of deciding in the plate, be arranged on the end decided in the plate and the tail end of regulating tie bar on the adjusting nut and be spirally connected, adjusting nut is fixed by screws in to be decided on the plate.
The above-mentioned plate of deciding is fixed by screws on the side of casing.
The advantage that the present invention gives prominence to compared to existing technology is:
1, adjusting nut of the present invention is arranged on the side of sewing machine case, in Timing Belt when pine, unscrews nut is fixed on the screw of deciding on the plate, the tightness of synchronous belt that the turn adjusting nut can obtain requiring, make toothed belt transmission stable, rotating shuttle colludes line stabilization, thereby has improved the quality of product;
2, the present invention does not need the Component such as dismounting electric control box, and is easy to use, weak point consuming time, and operation is simple;
3, the present invention is applicable on all sewing machines.
Description of drawings:
Fig. 1 is one of the present invention's schematic representation of being arranged on Timing Belt one side;
Fig. 2 is two of the present invention's schematic representation of being arranged on Timing Belt one side;
Fig. 3 is that the present invention is arranged on one of schematic representation on the sewing machine case;
Fig. 4 be the present invention be arranged on schematic representation on the sewing machine case two.
Fig. 5 is exploded perspective view of the present invention.
Embodiment:
The invention will be further described with specific embodiment for the below, referring to Fig. 1-5:
Timing Belt tensioning mechanism on a kind of sewing machine, be arranged on the Idle wheel 20 of Timing Belt 10 1 sides, Idle wheel 20 can be rotatably set on the Idle wheel supporting axle 30, Idle wheel supporting axle 30 is fixed on the crank 40 or Idle wheel supporting axle 30 is the integral type structure with crank 40, include the transverse axis 41 that is rotatably installed on the casing 50 on the crank 40, the axis of Idle wheel supporting axle 30 is parallel with the transverse axis 41 on the crank 40, an end that stretches out the transverse axis 41 outside the casing 50 is fixed with regulates accessory 60, regulate on the accessory 60 and be hinged with regulating tie bar 80, the tail end of regulating tie bar 80 is connected with controlling device, the position of the position of controlling device capable of regulating regulating tie bar 80 and then adjusting Idle wheel 20.
Above-mentioned Idle wheel 20 can be rotatably set on the Idle wheel supporting axle 30 and is: be installed with bearing 110 at Idle wheel supporting axle 30, be set with Idle wheel 20 outside bearing 110.When Idle wheel supporting axle 30 is split-type structural with crank 40, Idle wheel supporting axle 30 is multidiameter shaft, the diameter at the middle part of Idle wheel supporting axle 30 is greater than the diameter at two ends, the path 301 of one end of Idle wheel supporting axle 30 is fixed on the bent axle 40, bearing 110 is sleeved on the path 302 of the other end of Idle wheel supporting axle 30, is respectively arranged with jump ring 120 and pad 130 in the both sides of bearing 110, end face screw 140 is spacing on Idle wheel supporting axle 30 with bearing 110.
Being hinged with regulating tie bar 80 on the above-mentioned adjusting accessory 60 is: the upper end of regulating accessory 60 is fixed on an end that stretches out the transverse axis 41 outside the casing 50, and lower end and the joint 70 of regulating accessory 60 are hinged, are fixed with regulating tie bar 80 on the joint 70.
The upper end of above-mentioned adjusting accessory 60 is fixed on an end that stretches out the transverse axis 41 outside the casing 50: the upper end of regulating accessory 60 is provided with mounting hole 601, the upper end of regulating accessory 60 is sleeved on the transverse axis 41, be respectively arranged with in the mounting hole 601 on transverse axis 41 on relevant position and the adjusting accessory 60 and prevent from regulating accessory 60 around the plane that cooperatively interacts 602 of transverse axis 41 rotations, transverse axis 41 between casing 50 and adjusting accessory 60 inboards is provided with back-up ring 150, be provided with nut 160 at the transverse axis 41 of regulating accessory 60 outsides, the upper end that back-up ring 150 and nut 160 will be regulated accessory 60 is positioned on the transverse axis 41.Transverse axis 41 rotates to drive regulates accessory 60 1 startings.
The lower end of above-mentioned adjusting accessory 60 and joint 70 are hinged to be: the lower end of regulating accessory 60 is provided with bar-shaped trough 603, described joint 70 is U-joints, opening end at joint 70 is provided with pin shaft hole 701 and the tapped hole 702 that axis is parallel to transverse axis 41, pin shaft hole 701 and tapped hole 702 axis conllinear, fixing pin 170 is located in the bar-shaped trough 603 of regulating accessory 60, one end of fixing pin 170 is arranged in the pin shaft hole 701, threaded end is arranged in the tapped hole 702, is being set with packing ring 180 near a side of adjusting accessory 60 lower ends of pin shaft hole 701 and the fixing pin 170 between the joint 70.
The concrete structure that is fixed with regulating tie bar 80 on the above-mentioned joint 70 is: regulating tie bar 80 is comprised of head 801 and bar section 802, the closed end 703 that head 801 is arranged in the closed end 703 of joint 70, joint 70 passes in bar section 802, the tail end of bar section 802 is provided with outside thread, the bar section 802 that is arranged on outside the joint 70 is provided with positioning ring 190 near tab closure end 703 places, is provided with screw on the positioning ring 190 head 801 is fixed in the closed end 703 of joint 70.
Above-mentioned controlling device is: include and decide plate 100 and an end and be arranged on the adjusting nut 90 of deciding in the plate 100, be arranged on the end decided in the plate 100 and the tail end of regulating tie bar 80 on the adjusting nut 90 and be spirally connected, adjusting nut 90 is fixed on by screw 200 to be decided on the plate 100.Concrete structure is: be provided with axis perpendicular to the tapped hole 1001 of adjusting nut 90 mounting holes in a side of deciding plate 100, adjusting nut 90 mounting holes and tapped hole 1001 connect mutually, and screw 200 is screwed onto in the tapped hole 1001 and screw 200 holds out against on the external cylindrical surface of adjusting nut 90 adjusting nut 90 is fixing.
The above-mentioned plate 100 of deciding is fixed on the side of casing 50 by screw 210.As: on the leading flank.
Using method of the present invention:
When needs are regulated Idle wheel 20 position, unscrew the screw 200 of secured adjusted nut 90 usefulness, rotate adjusting nut 90 and adjust the front and back position of regulating tie bar 80, by joint 70, regulate accessory 60 and fixing pin 170 drive transverse axis 41 on the cranks 40 rotate drive Idle wheels 20 the position to meeting the requirements of Timing Belt 10 degrees of tightness, be fixed in by screw 200 after regulating and decide on the plate 100.
Above-described embodiment is one of preferred embodiment of the present invention only, is not to limit practical range of the present invention with this, so: all equivalences of doing according to shape of the present invention, structure, principle change, and all should be covered by within protection scope of the present invention.
Claims (8)
1. the Timing Belt tensioning mechanism on the sewing machine, it is characterized in that: the Idle wheel that is arranged on Timing Belt one side, Idle wheel can be rotatably set on the Idle wheel supporting axle, the Idle wheel supporting axle is fixed on the crank or Idle wheel supporting axle and crank are the integral type structure, include the transverse axis that is rotatably installed on the casing on the crank, the axis of Idle wheel supporting axle and the transverse axis on the crank, an end that stretches out the outer transverse axis of casing is fixed with the adjusting accessory, regulate on the accessory and be hinged with regulating tie bar, the tail end of regulating tie bar is connected with controlling device, the position of the position of controlling device capable of regulating regulating tie bar and then adjusting Idle wheel.
2. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 1, it is characterized in that: described Idle wheel can be rotatably set on the Idle wheel supporting axle and is: be installed with bearing at the Idle wheel supporting axle, at bearing outside Idle wheel be housed.
3. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 1, it is characterized in that: being hinged with regulating tie bar on the described adjusting accessory is: the upper end of regulating accessory is fixed on an end that stretches out the outer transverse axis of casing, lower end and the joint of regulating accessory are hinged, are fixed with regulating tie bar on the joint.
4. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 3, it is characterized in that: the upper end of described adjusting accessory is fixed on an end that stretches out the outer transverse axis of casing and is: the upper end of regulating accessory is provided with mounting hole, the upper end of regulating accessory is sleeved on the transverse axis, be respectively arranged with in the mounting hole on transverse axis on relevant position and the adjusting accessory and prevent from regulating accessory around the plane that cooperatively interacts of transverse axis rotation, transverse axis between casing and adjusting accessory inboard is provided with back-up ring, be provided with nut at the transverse axis of regulating the accessory outside, the upper end that back-up ring and nut will be regulated accessory is positioned on the transverse axis.
5. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 3, it is characterized in that: the lower end of described adjusting accessory and joint are hinged to be: the lower end of regulating accessory is provided with bar-shaped trough, described joint is U-joint, opening end at joint is provided with pin shaft hole and the tapped hole that axis is parallel to transverse axis, pin shaft hole and tapped hole axis conllinear, fixing pin is located in the bar-shaped trough of regulating accessory, one end of fixing pin is arranged in the pin shaft hole, threaded end is arranged in the tapped hole, is being set with packing ring near a side of the adjusting accessory lower end of pin shaft hole and the fixing pin between the joint.
6. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 3, it is characterized in that: the concrete structure that is fixed with regulating tie bar on the described joint is: regulating tie bar is comprised of head and bar section, head is arranged on the closed end that closed end is interior, joint passes in bar section of joint, the tail end of bar section is provided with outside thread, the bar section that is arranged on outside the joint is provided with positioning ring near tab closure end place, and positioning ring is fixed on head in the closed end of joint.
7. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 1, it is characterized in that: described controlling device is: include and decide plate and an end and be arranged on the adjusting nut of deciding in the plate, be arranged on the end decided in the plate and the tail end of regulating tie bar on the adjusting nut and be spirally connected, adjusting nut is fixed by screws in to be decided on the plate.
8. the Timing Belt tensioning mechanism on a kind of sewing machine according to claim 7 is characterized in that: describedly decide plate and be fixed by screws on the side of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210407553.XA CN102900819B (en) | 2012-09-29 | 2012-10-23 | Synchronous belt tensioning mechanism on sewing machine |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210376753.3 | 2012-09-29 | ||
| CN201210376753 | 2012-09-29 | ||
| CN2012103767533 | 2012-09-29 | ||
| CN201210407553.XA CN102900819B (en) | 2012-09-29 | 2012-10-23 | Synchronous belt tensioning mechanism on sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102900819A true CN102900819A (en) | 2013-01-30 |
| CN102900819B CN102900819B (en) | 2015-06-10 |
Family
ID=47573224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210407553.XA Active CN102900819B (en) | 2012-09-29 | 2012-10-23 | Synchronous belt tensioning mechanism on sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102900819B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325501A (en) * | 2014-09-01 | 2015-02-04 | 东莞市飞新达精密机械科技有限公司 | Synchronous belt tension adjusting device for die-cutting machine and adjusting method thereof |
| CN109442012A (en) * | 2018-10-30 | 2019-03-08 | 德清县德盛纺织品有限公司 | Synchronous belt adjusting mechanism of cam opening device |
| CN109822559A (en) * | 2019-03-19 | 2019-05-31 | 华南理工大学 | A kind of Robot neck rotating device and control method based on Synchronous Transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240368A (en) * | 1980-03-17 | 1980-12-23 | The Singer Company | Motorized drive for a sewing machine including belt tensioning means |
| JPS63283683A (en) * | 1987-05-15 | 1988-11-21 | アイシン精機株式会社 | Sewing machine having belt tension control apparatus |
| CN201670950U (en) * | 2010-05-27 | 2010-12-15 | 沈永平 | Tension device for belt of industrial sewing machine |
| CN201836315U (en) * | 2010-10-16 | 2011-05-18 | 常州亚美柯机械设备有限公司 | Adjusting device of belt tensioning pulley for diesel engine |
| CN202867735U (en) * | 2012-09-29 | 2013-04-10 | 台州拓卡奔马机电科技有限公司 | Synchronous belt tensioning mechanism on sewing machine |
-
2012
- 2012-10-23 CN CN201210407553.XA patent/CN102900819B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240368A (en) * | 1980-03-17 | 1980-12-23 | The Singer Company | Motorized drive for a sewing machine including belt tensioning means |
| JPS63283683A (en) * | 1987-05-15 | 1988-11-21 | アイシン精機株式会社 | Sewing machine having belt tension control apparatus |
| CN201670950U (en) * | 2010-05-27 | 2010-12-15 | 沈永平 | Tension device for belt of industrial sewing machine |
| CN201836315U (en) * | 2010-10-16 | 2011-05-18 | 常州亚美柯机械设备有限公司 | Adjusting device of belt tensioning pulley for diesel engine |
| CN202867735U (en) * | 2012-09-29 | 2013-04-10 | 台州拓卡奔马机电科技有限公司 | Synchronous belt tensioning mechanism on sewing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325501A (en) * | 2014-09-01 | 2015-02-04 | 东莞市飞新达精密机械科技有限公司 | Synchronous belt tension adjusting device for die-cutting machine and adjusting method thereof |
| CN109442012A (en) * | 2018-10-30 | 2019-03-08 | 德清县德盛纺织品有限公司 | Synchronous belt adjusting mechanism of cam opening device |
| CN109822559A (en) * | 2019-03-19 | 2019-05-31 | 华南理工大学 | A kind of Robot neck rotating device and control method based on Synchronous Transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102900819B (en) | 2015-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202992067U (en) | Belt tensioning structure for rack-assist type electric power steering (R-EPS) | |
| CN202867735U (en) | Synchronous belt tensioning mechanism on sewing machine | |
| CN102900819A (en) | Synchronous belt tensioning mechanism on sewing machine | |
| CN209691488U (en) | A kind of unwrapping wire wire installation of longitudinal wrap machine | |
| CN102261441B (en) | Speed reducer | |
| CN101004206A (en) | Two stage belt drive mechanism for adjusting degree of tightness of strap | |
| CN105643460B (en) | A kind of grinding machine chain-drive mechanism | |
| CN207121297U (en) | The tensioner of coil winding machine | |
| CN217056190U (en) | Diesel engine belt tensioning transmission structure | |
| CN201827298U (en) | Adjustable worm gear reduction gearbox | |
| CN208845655U (en) | A kind of synchronous belt tensile force adjusting mechanism and video camera | |
| CN201227643Y (en) | Torsional roller box angular adjustment apparatus of rolling torsional guide | |
| CN203096382U (en) | Power transmission mechanism of buttonholing machine | |
| CN107090673B (en) | A kind of simple take-up regulating mechanism of sewing machine and sewing machine | |
| CN203614681U (en) | Belt adjusting device of belt-driven disc separator | |
| CN203998396U (en) | A kind of spindle mechanism that reduces Oscillation Amplitude | |
| CN207485980U (en) | Adjustable tensioner | |
| CN113415666A (en) | Floating roller adjusting device | |
| CN103591232B (en) | A kind of belt tensioning device of belt transmission disk centrifuge | |
| CN208049394U (en) | A kind of kite wheel of energy automatic winding displacement | |
| CN202225052U (en) | Abrasive belt tensioning mechanism of small multifunctional abrasive belt machine | |
| CN208150634U (en) | A kind of cutting machine cut roll mechanism | |
| CN202631829U (en) | Lens adjusting structure and pick-up device | |
| CN207276863U (en) | A kind of spinning jet nozzle of sir jet spinning machines fixes rotating device | |
| CN201179523Y (en) | Adjusting device for guide roll shaft separation distance of rolling torsion guide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 317000 No. 71 River Road, Jiangnan street, Linhai City, Zhejiang, 181 Applicant after: BULLMER ELECTROMECHANICAL TECHNOLOGY CO., LTD. Address before: 317000, Zhejiang, Taizhou Province Jiangnan Jiangnan Street office seed farm Applicant before: Taizhou Topcut Bullmer Mechanical and Electrical Technology Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: TAIZHOU TOPCUT BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY CO., LTD. TO:TOPCUT-BULLMER MECHANICAL AND ELECTRICAL TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |