CN215649658U - Multifunctional nail clippers and nail clipper storage box - Google Patents

Multifunctional nail clippers and nail clipper storage box Download PDF

Info

Publication number
CN215649658U
CN215649658U CN202120402915.0U CN202120402915U CN215649658U CN 215649658 U CN215649658 U CN 215649658U CN 202120402915 U CN202120402915 U CN 202120402915U CN 215649658 U CN215649658 U CN 215649658U
Authority
CN
China
Prior art keywords
clipper
groove
sharp edge
nail
tongue
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.)
Expired - Fee Related
Application number
CN202120402915.0U
Other languages
Chinese (zh)
Inventor
郝彬
黄海燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongji Medical College of Huazhong University of Science and Technology
Original Assignee
Tongji Medical College of Huazhong University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongji Medical College of Huazhong University of Science and Technology filed Critical Tongji Medical College of Huazhong University of Science and Technology
Priority to CN202120402915.0U priority Critical patent/CN215649658U/en
Application granted granted Critical
Publication of CN215649658U publication Critical patent/CN215649658U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Scissors And Nippers (AREA)

Abstract

The utility model discloses a multifunctional nail clipper and a nail clipper containing box, which comprise a clipper body and at least two blade bodies, wherein the clipper body comprises an upper clipper and a lower clipper, the tail ends of the upper clipper and the lower clipper are connected, and the head ends of the upper clipper and the lower clipper respectively form a first connecting part and a second connecting part; the sharp edge body comprises an upper sharp edge and a lower sharp edge, a first tongue-and-groove matched with the first connecting portion is formed in the upper sharp edge, a second tongue-and-groove matched with the second connecting portion is formed in the lower sharp edge, the first tongue-and-groove is connected with the second tongue-and-groove through a U-shaped elastic sheet, and a collecting mechanism is further arranged on the sharp edge body. The utility model aims to provide a multifunctional nail clipper which can adapt to different requirements of users, is convenient to store and sterilize and can recycle broken nails and inverted sticks, and the utility model also aims to provide a storage box based on the multifunctional nail clipper.

Description

Multifunctional nail clippers and nail clipper storage box
Technical Field
The utility model relates to the technical field of articles for daily use, in particular to a multifunctional nail clipper and a nail clipper storage box.
Background
The nail clippers are indispensable articles in life of people, and with the development of society, various nail clippers enter the life of people, and the nail clippers are classified more and are more and more targeted.
The chinese utility model patent application CN1211407A discloses a nail clipper, which comprises an upper clipper with a sharp edge; a lower clamping knife with a sharp edge; and a rotating rod, when it is pressed, the two sharp edges are occluded. The rotating rod is made of fiber reinforced thermoplastic resin. The fiber bundles in the thermoplastic resin enhance the mechanical properties of the resin, make the rotating rod strong, and enhance resistance to bending forces acting on the rotating rod when the rotating rod is pressed.
Chinese utility model patent application CN1286952A discloses a nail clipper, including an upper plate of predetermined length, this upper plate has the cutting edge at its front end, a hypoplastron, and it is fixed elastically the rear end of upper plate has the cutting edge and at the front end of this hypoplastron to and a press the clamp plate, should press the clamp plate with the front portion of going up the hypoplastron links together, so that should press the clamp plate around an axial point rotation between last lower plate. During use, the pressing plate, which has been folded on the upper plate, is rotated forward and pressed on the lower plate. When not in use, the pressing plate is restored to its original position and then flattened again, thus reducing the overall volume of the upper and lower plates in a flat form.
However, the above nail clipper has the following drawbacks in daily use:
1. the sharp edge and the clamping knife of the nail clippers are integrally processed, the radian of the sharp edge is single, the adaptability to the nails of users is poor, and the use requirements of different users are difficult to meet;
2. the nail clippers cannot collect the clipped nail chips and the inverted sticks, so that the nail chips and the inverted sticks are scattered all around, manual cleaning is needed, and cross infection is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional nail clipper which can adapt to different requirements of users, is convenient to store and sterilize and can recycle broken nails and inverted sticks.
In order to achieve the above object, the present invention provides a multifunctional nail clipper, which is characterized in that the multifunctional nail clipper comprises a clipper body and at least two blade bodies, wherein the clipper body comprises an upper clipper and a lower clipper, the tail ends of the upper clipper and the lower clipper are connected, and the head ends of the upper clipper and the lower clipper form a first connecting part and a second connecting part respectively; the sharp edge body includes sharp edge and lower sharp edge be provided with the first tongue-and-groove with first connecting portion adaptation on the sharp edge be provided with down on the sharp edge with the second tongue-and-groove of second connecting portion adaptation, just first tongue-and-groove with link to each other through U type shell fragment between the second tongue-and-groove still be provided with on the sharp edge body and collect the mechanism, it is used for collecting to collect the broken first of sharp edge body pruning and the bamboo slips.
Furthermore, the collecting mechanism comprises a collecting tank arranged at the bottom of the second rabbet, a through hole is formed in the second connecting part corresponding to the collecting tank, and an inlet of the collecting tank is communicated with the through hole in a connecting state of the cutter clamping body and the blade body.
Furthermore, a baffle is arranged at the inlet edge of the collecting tank.
Furthermore, the cutter clamping body further comprises a supporting shaft, shaft holes are respectively formed in the upper cutter clamping body and the lower cutter clamping body, the supporting shaft penetrates through the shaft holes, and the top end of the supporting shaft is connected with a warping plate.
Furthermore, the bottom surface of the rocker is provided with a section of arc surface, and the arc surface is also provided with a first wedge block.
Furthermore, the first connecting part is provided with a mounting groove, the bottom surface of the mounting groove is connected with a second wedge block through a return spring, the first rabbet is further provided with a positioning hole matched with the second wedge block, and the second wedge block is clamped in the positioning hole in the connecting state of the cutter clamping body and the cutting edge body.
Based on the multifunctional nail clipper, the utility model also discloses a nail clipper storage box which is characterized by comprising a box body filled with disinfectant and a box cover rotationally connected to the top of the box body, wherein a screen plate is arranged in the box body and supported on the bottom surface of the box body through elastic support columns, a storage plate is further arranged on the screen plate, and a first storage groove for storing the clipper body and at least two second storage grooves for storing the clipper body are formed in the storage plate.
Furthermore, the containing plate is also provided with a butt column, when the box cover is closed, the box cover can butt against the butt column to enable the containing plate to move downwards.
Furthermore, a disinfectant outlet and a disinfectant inlet with a one-way valve are arranged on the side wall of the box body.
In conclusion, compared with the prior art, the utility model has the following beneficial effects:
(1) the nail clippers can be quickly combined to form the nail clippers for users to clip and reverse labels by utilizing the combined action of the first connecting part and the first rabbet as well as the combined action of the second connecting part and the second rabbet, and can realize the technical effect of adapting to different requirements of the users by adopting the blade bodies with different radians and widths, thereby obviously improving the universality of the nail clippers. Meanwhile, as the main parts of the nail clippers are arranged in a split manner, the storage space is saved, and the nail clippers can be conveniently sterilized by a user;
(2) the collection mechanism arranged on the sharp edge body is utilized, so that the nail chips and the inverted sticks trimmed by the sharp edge body can be collected into the collection mechanism in a centralized manner, the nail chips and the inverted sticks are prevented from splashing around, the risk of cross infection is reduced, and meanwhile, the user can conveniently clean the trimmed nail chips and the inverted sticks;
(3) the storage areas are divided on the storage plate according to the characteristics of the nail clipper body and the sharp blade body, so that the nail clipper can be well fixed and regulated while the nail clipper is completely carried, the whole nail clipper storage box is more tidy, and a user can conveniently select a proper sharp blade body and the combination of the nail clipper body when using the nail clipper;
(4) by matching the box cover, the screen plate, the elastic column and the abutting column, when the box cover is closed, the first accommodating groove and the second accommodating groove on the accommodating plate can be immersed in the disinfectant, and the sharp blade body and the clamping blade body do not need to be disinfected independently, so that the use convenience is further improved;
(5) the nail clipper preparing method of the present invention simultaneously grinds the edges of the upper blade and the lower blade in a vertical plane so that the upper blade and the lower blade are collided with each other during preparation, and can prepare a fine blade product having a minute gap regardless of the change of the grinding depth when determining the curvature and width of the upper blade and the lower blade.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing the overall structure of the multi-functional nail clipper of the present invention;
FIG. 2 is an exploded view of the multi-functional nail clipper of the present invention;
FIG. 3 is a schematic structural view of the main components of the multifunctional nail clipper of the utility model;
FIG. 4 is a schematic view showing the overall structure of the nail clipper receiving box according to the present invention;
FIG. 5 is an exploded view of the nail clipper receiving box according to the present invention;
reference numbers in the figures: 101-clamping cutter body, 102-sharp edge body, 103-upper clamping cutter, 104-lower clamping cutter, 105-first connecting part, 106-second connecting part, 107-first rabbet, 108-second rabbet, 109-U-shaped elastic sheet, 110-collecting mechanism, 111-collecting tank, 112-through hole, 113-enclosure, 114-supporting shaft, 115-warping plate, 116-cambered surface, 117-first wedge block, 118-mounting groove, 119-reset spring, 120-second wedge block, 121-positioning hole, 122-upper sharp edge, 123-lower sharp edge, 201-box body, 202-box cover, 203-screen plate, 204-elastic supporting column, 205-receiving plate, 206-first receiving groove, 207-second receiving groove, 208-abutting column, 209-disinfectant outlet, 210-one-way valve, 211-disinfectant inlet.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention first provides a technical solution: the multifunctional nail clipper is characterized by comprising a clipper body 101 and at least two blade bodies 102, wherein the clipper body 101 comprises an upper clipper 103 and a lower clipper 104 which are connected at the tail ends, and the head ends of the upper clipper 103 and the lower clipper 104 are respectively provided with a first connecting part 105 and a second connecting part 106; the sharp body 102 comprises an upper sharp 122 and a lower sharp 123, the upper sharp 122 is provided with a first tongue-and-groove 107 matched with the first connecting part 105, the lower sharp 123 is provided with a second tongue-and-groove 108 matched with the second connecting part 106, the first tongue-and-groove 107 and the second tongue-and-groove 108 are connected through a U-shaped elastic sheet 109, the sharp body 102 is further provided with a collecting mechanism 110, and the collecting mechanism 110 is used for collecting nail scraps and inverted sticks trimmed by the sharp body 102.
In the present embodiment, at least two blade bodies 102 are utilized, and under the combined action of the first connecting portion 105 and the first rabbet 107, and the second connecting portion 106 and the second rabbet 108, the nail clippers can be quickly combined to form a nail clipper for clipping nails and reversing sticks of a user. Meanwhile, as the main parts of the nail clippers are arranged in a split manner, the storage space is saved, and the nail clippers can be conveniently sterilized by a user; by using the collecting mechanism 110 arranged on the cutting edge body 102, the broken nails and the reversed sticks trimmed by the cutting edge body 102 can be collected into the collecting mechanism 110 in a centralized manner, so that the broken nails and the reversed sticks are prevented from splashing around, the risk of cross infection is reduced, and the trimmed broken nails and the reversed sticks can be cleaned by a user conveniently;
specifically, the collecting mechanism 110 includes a collecting groove 111 disposed at the bottom of the second tongue-and-groove 108, the second connecting portion 106 is further provided with a through hole 112 corresponding to the collecting groove 111, and an inlet of the collecting groove 111 is communicated with the through hole 112 in a connecting state of the knife clamping body 101 and the sharp edge body 102.
In this embodiment, after the sharp blade 102 trims the fingernails of the users and picks up the nail upside down, the fallen broken nails and the fallen nail upside down directly fall into the collecting groove 111 through the through holes 112 on the second connecting portion 106 to be collected, so that the broken nails and the fallen nail upside down are effectively prevented from splashing, and the cleaning by the users is facilitated.
In order to further secure the broken nails and the inverted picks from falling into the collecting tank 111, a baffle 113 is provided at the inlet edge of the collecting tank 111.
Preferably, the cutter clamping body 101 further comprises a supporting shaft 114, shaft holes are further respectively formed on the upper cutter clamp 103 and the lower cutter clamp 104, the supporting shaft 114 penetrates through the shaft holes, and a rocker 115 is connected to the top end of the supporting shaft. The bottom surface of the rocker 115 has a curved surface 116, and a first wedge 117 is further disposed on the curved surface 116.
In the present embodiment, when the rocker 115 is pressed, the upper blade 103 and the lower blade 104 are folded by the first wedge 117, so that the upper blade 122 and the lower blade 123 are folded, thereby easily trimming the nail and the inverted stick. After the trimming is finished, the blade body 102 can be automatically reset by relying on the elastic force of the blade body 101 and the U-shaped elastic sheet 109.
In order to ensure that the blade body 102 is connected with the knife holder body 101 more tightly and simultaneously facilitate the user to detach the blade body 102 from the knife holder body 101, specifically, the first connecting portion 105 is provided with an installation groove 118, the bottom surface of the installation groove 118 is connected with a second wedge block 120 through a return spring 119, the first rabbet 107 is further provided with a positioning hole 121 matched with the second wedge block 120, and the second wedge block 120 is clamped in the positioning hole 121 in the connection state of the knife holder body 101 and the blade body 102.
Referring to fig. 4 and 5, based on the above multifunctional nail clipper, the present invention further discloses a nail clipper storage box, which is characterized in that the nail clipper storage box comprises a box body 201 containing a disinfectant, and a box cover 202 rotatably connected to the top of the box body 201, wherein a screen plate 203 is arranged in the box body 201, the screen plate 203 is supported on the bottom surface of the box body 201 through an elastic support column 204, a storage plate 205 is further arranged on the screen plate 203, and the storage plate 205 is provided with a first storage groove 206 for storing the clipper body 101, and at least two second storage grooves 207 for storing the clipper body 102. Specifically, the receiving plate 205 is further provided with a contact column 208, and when the cover 202 is closed, the cover 202 can contact the contact column 208 to move the receiving plate 205 downward.
In the embodiment, the storage area is divided on the storage plate 205 according to the respective characteristics of the clipper body 101 and the blade body 102, so that the nail clipper can be well carried and fixed and regulated while the nail clipper components are ensured to be completely carried, the whole nail clipper storage box is more tidy, and a user can conveniently select a proper blade body 102 to be combined with the clipper body 101 when using the nail clipper; by the cooperation of the box cover 202, the net plate 203, the elastic column and the abutting column 208, when the box cover 202 is closed, the first accommodating groove 206 and the second accommodating groove 207 on the accommodating plate 205 can be immersed in the disinfectant, so that the sharp-edged body 102 and the knife clamping body 101 do not need to be disinfected independently, and the use convenience is further improved;
specifically, a disinfectant outlet 209 and a disinfectant inlet 211 with a one-way valve 210 are also arranged on the side wall of the box body 201.
In the embodiment, when the disinfectant needs to be added into the box 201, the one-way valve 210 is arranged on the disinfectant inlet 211, so that the disinfectant conveying pipeline can be directly communicated with the disinfectant inlet 211 during use, and the disinfectant in the box 201 cannot leak from the disinfectant inlet 211 in the process of adding the disinfectant; when the disinfectant in the box 201 needs to be replaced, the disinfectant outlet 209 is directly opened.
The utility model also provides a preparation method of the nail clipper, which is used for preparing the multifunctional nail clipper and is characterized by comprising the following steps:
s1: forming an upper clamping knife 103 and a lower clamping knife 104, keeping the upper clamping knife 103 and the lower clamping knife 104 at the same angle and inclining upwards and downwards respectively, and welding the tail ends of the upper clamping knife 103 and the lower clamping knife 104 to form a clamping knife body 101;
s2: forming a support shaft 114 and a rocker 115, forming a section of arc surface 116 on the bottom surface of the rocker 115, and forming a first wedge 117 on the arc surface 116, so that the support shaft 114 passes through the shaft hole, and the upper end of the support shaft 114 is pivoted with the rocker 115 through a positioning pin;
s3: forming a second wedge 120, forming a mounting groove 118 in the upper blade 103, and assembling the second wedge 120 in the mounting groove 118 by a return spring 119;
s4: forming a through hole 112 in the lower blade 104;
s5: forming an upper sharp edge 122, forming a first rabbet 107 on the upper sharp edge 122, and machining a positioning hole 121 on the first rabbet 107 according to the size of the second wedge block 120;
s6: forming a lower sharp edge 123, forming a second rabbet 108 on the lower sharp edge 123, forming a collecting groove 111 on the second rabbet 108, and forming a barrier 113 at an inlet of the collecting groove 111 on the second rabbet 108;
s7: keeping the inclination angle of the upper sharp edge 122 consistent with that of the upper clamping knife 103, keeping the inclination angle of the lower sharp edge 123 consistent with that of the lower clamping knife 104, and welding a U-shaped elastic sheet 109 between the first rabbet 107 and the second rabbet 108;
s8: the head ends of the upper blade 122 and the lower blade 123 are engaged on a vertical plane, the engaging gap is not more than 0.1mm, and the head ends of the upper blade 122 and the lower blade 123 are ground into a clipping part with a certain curvature and width on the vertical plane;
s9: step S8 is repeated until n cutting edge bodies 102 with different curvatures and widths of the trimming portion are formed, where n is a positive integer greater than or equal to 2.
In this embodiment, the nail clipper preparing method of the present invention can manufacture a fine blade body 102 product having a minute gap regardless of the change of the grinding depth when determining the curvature and width of the upper blade 122 and the lower blade 123 by grinding the edges of the upper blade 122 and the lower blade 123 in one vertical plane at the same time so that the upper blade 122 and the lower blade 123 interfere with each other when preparing.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (9)

1. The multifunctional nail clipper is characterized by comprising a clipper body and at least two blade bodies, wherein the clipper body comprises an upper clipper and a lower clipper, the tail ends of the upper clipper and the lower clipper are connected, and the head ends of the upper clipper and the lower clipper form a first connecting part and a second connecting part respectively; the sharp edge body includes sharp edge and lower sharp edge be provided with the first tongue-and-groove with first connecting portion adaptation on the sharp edge be provided with down on the sharp edge with the second tongue-and-groove of second connecting portion adaptation, just first tongue-and-groove with link to each other through U type shell fragment between the second tongue-and-groove still be provided with on the sharp edge body and collect the mechanism, it is used for collecting to collect the broken first of sharp edge body pruning and the bamboo slips.
2. The multi-functional nail clipper according to claim 1, wherein the collection unit includes a collection groove formed at the bottom of the second tongue and groove, the second connection portion further has a through hole formed therein corresponding to the collection groove, and an inlet of the collection groove communicates with the through hole in a connected state of the clipper body and the blade body.
3. The multifunctional nail clipper according to claim 2, wherein a fence is further provided at an inlet edge of the collecting groove.
4. The multi-functional nail clipper according to claim 1, wherein the clipper body further comprises a support shaft, and the upper clipper body and the lower clipper body are respectively provided with a shaft hole, and the support shaft penetrates the shaft holes and is connected with a seesaw at the top end thereof.
5. The multi-functional nail clipper according to claim 4, wherein the seesaw has a curved surface on a bottom surface thereof, and a first wedge is further provided on the curved surface.
6. The multifunctional nail clipper according to any one of claims 1 to 5, wherein the first connecting part has a mounting groove, a second wedge block is connected to a bottom surface of the mounting groove through a return spring, a positioning hole is formed in the first tongue-and-groove for engaging with the second wedge block, and the second wedge block is engaged with the positioning hole when the clipper body and the blade body are connected.
7. A nail clipper storage box for storing the multifunctional nail clipper of any one of claims 1-6, comprising a box body containing disinfectant and a box cover rotatably connected to the top of the box body, wherein a screen plate is arranged in the box body, the screen plate is supported on the bottom surface of the box body through an elastic support column, a storage plate is further arranged on the screen plate, and a first storage groove for storing the clipper body and at least two second storage grooves for storing the clipper body are formed in the storage plate.
8. The nail clipper receiving box according to claim 7, wherein a contact column is further provided on the receiving plate, and when the cover is closed, the cover can contact the contact column to move the receiving plate downward.
9. The nail clipper receiving box as claimed in claim 8, wherein a sterilizing liquid outlet and a sterilizing liquid inlet having a check valve are further provided on a side wall of the box body.
CN202120402915.0U 2021-02-23 2021-02-23 Multifunctional nail clippers and nail clipper storage box Expired - Fee Related CN215649658U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120402915.0U CN215649658U (en) 2021-02-23 2021-02-23 Multifunctional nail clippers and nail clipper storage box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120402915.0U CN215649658U (en) 2021-02-23 2021-02-23 Multifunctional nail clippers and nail clipper storage box

Publications (1)

Publication Number Publication Date
CN215649658U true CN215649658U (en) 2022-01-28

Family

ID=79968689

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120402915.0U Expired - Fee Related CN215649658U (en) 2021-02-23 2021-02-23 Multifunctional nail clippers and nail clipper storage box

Country Status (1)

Country Link
CN (1) CN215649658U (en)

Similar Documents

Publication Publication Date Title
US4852256A (en) Device for cutting mushrooms into slices
CA1224022A (en) Electric knife
US7827696B2 (en) Corn scraper
EP1484144A3 (en) Shaving razor and blade unit with improved guard
CN215649658U (en) Multifunctional nail clippers and nail clipper storage box
CN112806694A (en) Multifunctional nail clippers, nail clipper storage box and preparation method of nail clippers
CN210054535U (en) Cutting mechanism for Chinese chestnut cutting machine
KR20100093418A (en) An automatic nail cutter
CN217833729U (en) Two-in-one cutter
CN109008155B (en) Nail clippers
CN217608458U (en) Pruning device for fruit tree grafting
CN219813422U (en) Nail clipper
CN215743917U (en) Chili chopper for chili sauce preparation
CN2203857Y (en) Chopping board
CN212878137U (en) Nail clippers capable of preventing nail scraps from splashing
CN215936543U (en) Nail clippers with function of preventing nail from splashing
CN209936979U (en) Multi-functional haircut ware of walking of easy to use
KR200361204Y1 (en) A chopping board having knife whet tool
CN2605975Y (en) Novel double-edge labor-saving kitchen knife
CN216567217U (en) Pruning shears with labor-saving structure
CN211559815U (en) Hand-held type chinese chestnut acanthosis peeling pincers
CN207220423U (en) A kind of Multifunctional nail-clipper
CN217185578U (en) Tea clamp with shearing function
CN2311336Y (en) Multi-function knife sharpener
CN210758021U (en) Shredder convenient to store

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220128

CF01 Termination of patent right due to non-payment of annual fee