CN109454594B - Staple dismounting device and using method thereof - Google Patents

Staple dismounting device and using method thereof Download PDF

Info

Publication number
CN109454594B
CN109454594B CN201811181272.0A CN201811181272A CN109454594B CN 109454594 B CN109454594 B CN 109454594B CN 201811181272 A CN201811181272 A CN 201811181272A CN 109454594 B CN109454594 B CN 109454594B
Authority
CN
China
Prior art keywords
plate
base
strip
iii
staple
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.)
Active
Application number
CN201811181272.0A
Other languages
Chinese (zh)
Other versions
CN109454594A (en
Inventor
束文强
陈海锋
李双州
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.)
Anhui Institute of Information Engineering
Original Assignee
Anhui Institute of Information Engineering
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 Anhui Institute of Information Engineering filed Critical Anhui Institute of Information Engineering
Priority to CN201811181272.0A priority Critical patent/CN109454594B/en
Publication of CN109454594A publication Critical patent/CN109454594A/en
Application granted granted Critical
Publication of CN109454594B publication Critical patent/CN109454594B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C11/00Nail, spike, and staple extractors

Abstract

The invention discloses a staple dismounting device which comprises a base, an ejector pin mechanism and a staple pushing mechanism, wherein the ejector pin mechanism comprises a base, a centrum ejector pin and a spring, one end of the base is connected to the base through a support, and the base can rotate relatively. This base includes board I, board II and board III, and board II and the three symmetry settings of board are in the both sides of board I and all are connected with board I and constitute U type structure, and the one end fixed connection of spring is on board I, and the other end and the centrum thimble of spring are connected. The centrum thimble passes through the connecting plate and is connected with the spring, and one side of connecting plate is connected with the spring, and the opposite side of connecting plate is connected with the centrum thimble. The nail pushing mechanism comprises a pressing plate, one end of the pressing plate is connected with the base through a rotating shaft, the pressing plate can rotate relative to the base, and a long-strip-shaped thimble is arranged at one end, far away from the plate I, of the pressing plate. The staple dismounting device also comprises a connecting rod, one end of the connecting rod is connected with the connecting plate, and the other end of the connecting rod is connected with the pressing plate. The invention also provides a use method of the staple dismounting device.

Description

Staple dismounting device and using method thereof
Technical Field
The invention belongs to the technical field of office equipment, and particularly relates to a staple dismounting device and a use method thereof.
Background
In the routine office, a staple is usually removed from a bound document page, a new binding is performed after pages are added or reduced, n-shaped staple heads on two sides of the staple are pressed into the page of the document by a stapler, a fixed part is formed on the page on the front side of the document, two symmetrical elbows are formed on the page on the back side of the document to prevent the page from falling off, in the process of removing the staple, particularly when the page of the document is not damaged, because the hardness of the staple is high, two elbows are respectively pried up by a knife tip part or a tool with a conical body and then the staple is pried out from the front side of the document, fingers can be injured or the document page can be damaged when the hardness is high, and a lot of difficulties and potential safety hazards are brought to the removal.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the staple dismounting device which is simple in structure and convenient to use and is used for solving the problem that a staple is not easy to dismount in the prior art; the invention also provides a use method of the staple dismounting device.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a staple dismounting device, includes base, thimble mechanism and pushes away nail mechanism, thimble mechanism includes base, cone thimble and spring, and the one end of base is passed through the leg joint and on the base and base can rotate relatively, pushes away nail mechanism and includes the clamp plate, and the one end of clamp plate is passed through pivot and pedestal connection.
Furthermore, the base comprises a plate I, a plate II and a plate III, the plate II and the plate III are symmetrically arranged on two sides of the plate I and are connected with the plate I to form a U-shaped structure, one end of the spring is fixedly connected to the plate I, and the other end of the spring is connected with the cone ejector pin.
Furthermore, the cone thimble is connected with the spring through a connecting plate, one side of the connecting plate is connected with the spring, and the other side of the connecting plate is connected with the cone thimble.
Further, the staple dismounting device further comprises a connecting rod, one end of the connecting rod is connected with the connecting plate, and the other end of the connecting rod is connected with the pressing plate.
Furthermore, a clamping groove I is formed in the connecting plate, a clamping groove II is formed in the corresponding pressing plate, and two ends of the connecting rod are respectively connected to the clamping groove I and the clamping groove II in a hinged and movable mode.
Further, be equipped with rectangular shape recess I on the inner wall of board II and board III, rectangular shape recess I sets up along the length direction of board II and board III, the connecting plate all is equipped with the lug with the both sides of board II and the III contacts of board respectively, and the connecting plate passes through lug and I cooperation sliding connection of rectangular shape recess on the base.
Further, be equipped with rectangular shape recess II on the inner wall that I one end tip of board was kept away from to board II and board III, rectangular shape recess II sets up along the width direction of board II and board III, and rectangular shape recess II is perpendicular with rectangular shape recess I.
Furthermore, one end, far away from the plate I, of the pressing plate is provided with a long-strip-shaped thimble, and when the pressing plate is pressed downwards, the long-strip-shaped thimble is inserted into the long-strip-shaped groove II.
Furthermore, the base is provided with a strip-shaped groove III at a position corresponding to the strip-shaped groove II, and when the base is attached to the base, the strip-shaped groove II is communicated with the strip-shaped groove III and is vertical to the strip-shaped groove III.
The invention also relates to a use method of the staple remover, which comprises the following steps:
step 1, correspondingly placing two ends of a bent end of a staple nailed into a book into strip-shaped grooves II on a plate II and a plate III, and clamping the book by using a base and a base;
step 2, pressing the pressing plate downwards, wherein the connecting rod pushes the connecting plate to move towards the direction close to the strip-shaped groove II and drives the cone ejector pin to move towards the direction close to the staple, and the tip end of the cone ejector pin is inserted into the bent end of the staple and jacks the bent end of the staple;
step 3, continuously pressing the pressing plate, continuously pushing the cone ejector pins forwards, and simultaneously gradually straightening the staples from the bending state until the cone ejector pins extrude the two straightened end parts of the staples into the strip-shaped grooves II on the plate II and the plate III;
step 4, continuing to press the pressing plate downwards again, enabling the long-strip-shaped ejector pins on the pressing plate to enter the long-strip-shaped grooves II on the plate II and the plate III, extruding the straight-pushed staples out of the long-strip-shaped grooves II, enabling the bottoms of the staples to enter the long-strip-shaped grooves III on the base, and taking out the book, so that the staples can be easily taken out of the book;
and 5, after the book is taken out, the conical thimble returns to the initial position under the spring tension of the spring.
The technical scheme adopted by the invention has the advantages that:
1. the two ends of the bent end of the staple are correspondingly placed into the strip-shaped grooves II on the plate II and the plate III, the bent end of the staple can be gradually straightened from a bent state through the design of the cone ejector pins, the bent end of the staple is extruded into the strip-shaped grooves II after being straightened, the pressing plate is pressed downwards, the strip-shaped ejector pins on the pressing plate can also enter the strip-shaped grooves II, the staple which is straightened in an ejection mode is pushed out of the strip-shaped grooves II, and the bottoms of the staples enter the strip-shaped grooves III on the base. The strip-shaped groove II plays a role in limiting and guiding.
2. The guide rod plays a role in limiting and guiding the spring, and avoids the phenomenon that the cone thimble deflects to further cause difficulty in disassembly due to the deflection of the cone thimble when the spring runs; in addition, the spring plays a role in returning, so that the staple dismounting device is more convenient and faster to use.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of the overall structure of the staple remover of the present invention.
FIG. 2 is a schematic axial view of the staple remover of the present invention.
The labels in the above figures are respectively: 1. a base; 11. a support; 12. a strip-shaped groove III; 2. a thimble mechanism; 21. a base; 211. a plate I; 212. a plate II; 213. a plate III; 22. a cone thimble; 23. a spring; 24. a connecting plate; 241. a clamping groove I; 25. a strip-shaped groove I; 26. a bump; 27. a strip-shaped groove II; 3. a nail pushing mechanism; 31. pressing a plate; 311. a clamping groove II; 32. a strip-shaped thimble; 4. a connecting rod.
Detailed Description
In 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", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, a staple remover comprises a base 1, an ejector pin mechanism 2 and a staple pushing mechanism 3, wherein the ejector pin mechanism 2 comprises a base 21, a conical ejector pin 22 and a spring 23, one end of the base 1 is connected to the base 21 through a support 11, the base 21 and the base 1 can rotate relatively, the staple pushing mechanism 3 comprises a pressing plate 31, one end of the pressing plate 31 is connected to the base 21 through a rotating shaft, and the pressing plate 31 can rotate relative to the base 21. The base 21 comprises a plate I211, a plate II 212 and a plate III 213, wherein the plate II 212 and the plate III 213 are symmetrically arranged on two sides of the plate I211 and are connected with the plate I211 to form a U-shaped structure, one end of a spring 23 is fixedly connected to the plate I211, and the other end of the spring 23 is connected with a cone thimble 22.
The cone thimble 22 is connected with the spring 23 through a connecting plate 24, one side of the connecting plate 24 is connected with the spring 23, and the other side of the connecting plate 24 is connected with the cone thimble 22. Thimble mechanism 2 still includes the guide bar (not drawn and sheltered from by the spring in the figure), and the one end fixed connection of guide bar is on board I211, and the other end of guide bar is the free end, and the one end fixed connection of spring 23 is on connecting plate 24, and the free end that the other end of spring 23 passed the guide bar cup joints on the guide bar and fixed connection is on board I211. The length of guide bar is less than the length of spring 23, and the guide bar plays the effect of spacing and direction to spring 23, avoids the phenomenon that the deflection leads to the deflection of cone thimble 22 and then arouses to dismantle the difficulty when spring 23 moves and takes place.
Be equipped with rectangular shape recess I25 on the inner wall of board II 212 and board III 213, rectangular shape recess I25 sets up along the length direction of board II 212 and board III 213, and connecting plate 24 all is equipped with lug 26 with the both sides of the contact of board II 212 and board III 213 respectively, and connecting plate 24 passes through lug 26 and rectangular shape recess I25 cooperation sliding connection on base 21. The staple remover further includes a link 4, one end of the link 4 is connected to the link plate 24, and the other end of the link 4 is connected to the pressing plate 31. A clamping groove I241 is formed in the connecting plate 24, a clamping groove II 311 is formed in the corresponding pressing plate 31, and two ends of the connecting rod 4 are movably connected to the clamping groove I241 and the clamping groove II 311 through hinges respectively. When the pressing plate 31 is pressed downwards, the connecting rod 4 pushes the connecting plate 24 to slide along the elongated groove I25 and move towards the direction close to the elongated groove II 27, and meanwhile, the cone thimble 22 is driven to advance forwards; at this time, the spring 23 is stretched, and when the downward pressure on the pressing plate 31 is removed, the cone ejector pin 22 and the link plate 24 return to the original positions under the spring tension of the spring 23.
The inner walls of the two plates II 212 and III 213 far away from the end part of the one end of the plate I211 are provided with two elongated grooves II 27, the two elongated grooves II 27 are arranged along the width directions of the two plates II 212 and the three plates III 213, and the two elongated grooves II 27 are perpendicular to the elongated grooves I25. One end of the pressing plate 31, which is far away from the plate I211, is provided with an elongated thimble 32, and when the pressing plate 31 is pressed downwards, the elongated thimble 32 is inserted into the elongated groove II 27. The strip-shaped ejector pin 32 is of a cylindrical or square structure, and after the strip-shaped ejector pin 32 is inserted into the strip-shaped groove II 27, the end part of the strip-shaped ejector pin 32 props against the staples to push the staples out of the books. The position on the base 1 corresponding to the elongated groove II 27 is provided with an elongated groove III 12, and when the base 21 is attached to the base 1, the elongated groove II 27 is communicated with the elongated groove III 12 and is vertical to the elongated groove III 12.
According to the invention, two ends of the bent end of the staple are correspondingly placed into the elongated grooves II 27 on the plates II 212 and III 213, the design of the conical ejector pins 22 can realize that the bent end of the staple is gradually straightened from a bent state, the bent end of the staple is extruded into the elongated grooves II 27 after being straightened, at the moment, the pressing plate 31 is pressed downwards, the elongated ejector pins 32 on the pressing plate 31 can also enter the elongated grooves II 27, the straightened staple is pushed out of the elongated grooves II 27, and the bottoms of the staples are enabled to enter the elongated grooves III 12 on the base 1. The elongated groove II 27 plays a role in limiting and guiding.
The use method of the staple dismounting device comprises the following steps:
step 1, correspondingly placing two ends of the bent ends of the staples nailed into the book into strip-shaped grooves II 27 on a plate II 212 and a plate III 213, and clamping the book by using a base 21 and a base 1;
step 2, pressing the pressing plate 31 downwards, wherein the connecting rod 4 pushes the connecting plate 24 to move towards the direction close to the strip-shaped groove II 27 and drives the cone ejector pin 22 to move towards the direction close to the staple, and the tip end of the cone ejector pin 22 is inserted into the bent end of the staple and jacks the bent end of the staple;
step 3, continuing to press the pressing plate 31 downwards, continuing to push the cone ejector pins 22 forwards, and meanwhile gradually straightening the staples from the bending state until the cone ejector pins 22 press the two straightened end parts of the staples into the elongated grooves II 27 on the plates II 212 and III 213;
step 4, continuing to press the pressing plate 31 downwards again, enabling the long strip-shaped ejector pins 32 on the pressing plate 31 to enter the long strip-shaped grooves II 27 on the plates II 212 and III 213, extruding the straight-pushed staples out of the long strip-shaped grooves II 27, enabling the bottoms of the staples to enter the long strip-shaped grooves III 12 on the base 1, and taking out the book, so that the staples can be easily taken out of the book;
and 5, after the book is taken out, the conical thimble 22 returns to the initial position under the spring tension of the spring 23.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the technical solution of the invention or to apply the concept and technical solution of the invention directly to other occasions without modification.

Claims (3)

1. A staple remover, characterized by: the nail pushing mechanism comprises a base (1), an ejector pin mechanism (2) and a nail pushing mechanism (3), wherein the ejector pin mechanism (2) comprises a base (21), a conical ejector pin (22) and a spring (23), one end of the base (1) is connected to the base (21) through a support (11), the base (21) and the base (1) can rotate relatively, the nail pushing mechanism (3) comprises a pressing plate (31), and one end of the pressing plate (31) is connected with the base (21) through a rotating shaft; the base (21) comprises a plate I (211), a plate II (212) and a plate III (213), the plate II (212) and the plate III (213) are symmetrically arranged on two sides of the plate I (211) and are connected with the plate I (211) to form a U-shaped structure, one end of a spring (23) is fixedly connected to the plate I (211), and the other end of the spring (23) is connected with a cone thimble (22); the cone thimble (22) is connected with the spring (23) through a connecting plate (24), one side of the connecting plate (24) is connected with the spring (23), and the other side of the connecting plate (24) is connected with the cone thimble (22); the staple dismounting device further comprises a connecting rod (4), one end of the connecting rod (4) is connected with the connecting plate (24), and the other end of the connecting rod (4) is connected with the pressing plate (31); a clamping groove I (241) is formed in the connecting plate (24), a clamping groove II (311) is formed in the corresponding pressing plate (31), and two ends of the connecting rod (4) are movably connected to the clamping groove I (241) and the clamping groove II (311) through hinges respectively; the inner walls of the second plate II (212) and the third plate III (213) are provided with elongated grooves I (25), the elongated grooves I (25) are arranged along the length direction of the second plate II (212) and the third plate III (213), two sides of the connecting plate (24) which are respectively contacted with the second plate II (212) and the third plate III (213) are provided with convex blocks (26), and the connecting plate (24) is matched with the elongated grooves I (25) through the convex blocks (26) and is slidably connected to the base (21); the inner walls of the end parts, far away from the plate I (211), of the plate II (212) and the plate III (213) are provided with strip-shaped grooves II (27), the strip-shaped grooves II (27) are arranged along the width directions of the plate II (212) and the plate III (213), and the strip-shaped grooves II (27) are perpendicular to the strip-shaped grooves I (25); the base (1) is provided with a long strip-shaped groove III (12) at a position corresponding to the long strip-shaped groove II (27), and when the base (21) is attached to the base (1), the long strip-shaped groove II (27) is communicated with and perpendicular to the long strip-shaped groove III (12).
2. A staple remover as claimed in claim 1, wherein: one end, far away from the plate I (211), of the pressing plate (31) is provided with a long strip-shaped thimble (32), and when the pressing plate (31) is pressed down, the long strip-shaped thimble (32) is inserted into the long strip-shaped groove II (27).
3. A method of using a staple remover as claimed in claim 1 or 2, wherein: the using method comprises the following steps:
step 1, correspondingly placing two ends of a bent end of a staple nailed into a book into strip-shaped grooves II (27) on a plate II (212) and a plate III (213), and clamping the book by using a base (21) and a base (1);
step 2, pressing the pressing plate (31) downwards, wherein the connecting rod (4) pushes the connecting plate (24) to move towards the direction close to the strip-shaped groove II (27) and drives the cone ejector pin (22) to move towards the direction close to the staple, and the tip end of the cone ejector pin (22) is inserted into the bent end of the staple and jacks the bent end of the staple;
step 3, continuously pressing the pressing plate (31), continuously pushing the cone ejector pins (22) forwards, and simultaneously gradually straightening the staples from the bending state until the cone ejector pins (22) extrude the two straightened end parts of the staples into the elongated grooves II (27) on the plate II (212) and the plate III (213);
step 4, continuing to press the pressing plate (31) downwards again, enabling the long-strip-shaped ejector pins (32) on the pressing plate (31) to enter the long-strip-shaped grooves II (27) on the plates II (212) and III (213), extruding the straight-pushed staples out of the long-strip-shaped grooves II (27), enabling the bottoms of the staples to enter the long-strip-shaped grooves III (12) on the base (1), and taking out the book, so that the staples can be easily taken out of the book;
and 5, after the book is taken out, the conical ejector pin (22) returns to the initial position under the spring tension of the spring (23).
CN201811181272.0A 2018-10-11 2018-10-11 Staple dismounting device and using method thereof Active CN109454594B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811181272.0A CN109454594B (en) 2018-10-11 2018-10-11 Staple dismounting device and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811181272.0A CN109454594B (en) 2018-10-11 2018-10-11 Staple dismounting device and using method thereof

Publications (2)

Publication Number Publication Date
CN109454594A CN109454594A (en) 2019-03-12
CN109454594B true CN109454594B (en) 2021-12-10

Family

ID=65607493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811181272.0A Active CN109454594B (en) 2018-10-11 2018-10-11 Staple dismounting device and using method thereof

Country Status (1)

Country Link
CN (1) CN109454594B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201304765Y (en) * 2008-11-06 2009-09-09 张扬志 Stapler with nail pulling component
TWM379495U (en) * 2009-12-01 2010-05-01 Abel Ind Internat Co Ltd Stapler remover can safety recover stapler pin
CN203077223U (en) * 2012-11-28 2013-07-24 天津鑫诺国际贸易有限公司 Multifunctional stapler
CN203125476U (en) * 2013-03-24 2013-08-14 谭全清 Staple remover
CN203266577U (en) * 2013-05-04 2013-11-06 昆山泰士特信息技术有限公司 Integral stapling and nail removing device
CN107598848A (en) * 2017-10-27 2018-01-19 苏州市职业大学 A kind of staple nail-fetching device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1310765A (en) * 1969-03-25 1973-03-21 Matsushita Electric Ind Co Ltd Electric stapler apparatus
US9505116B2 (en) * 2013-10-28 2016-11-29 Raymond Jl Wong Override mechanism for nailers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201304765Y (en) * 2008-11-06 2009-09-09 张扬志 Stapler with nail pulling component
TWM379495U (en) * 2009-12-01 2010-05-01 Abel Ind Internat Co Ltd Stapler remover can safety recover stapler pin
CN203077223U (en) * 2012-11-28 2013-07-24 天津鑫诺国际贸易有限公司 Multifunctional stapler
CN203125476U (en) * 2013-03-24 2013-08-14 谭全清 Staple remover
CN203266577U (en) * 2013-05-04 2013-11-06 昆山泰士特信息技术有限公司 Integral stapling and nail removing device
CN107598848A (en) * 2017-10-27 2018-01-19 苏州市职业大学 A kind of staple nail-fetching device

Also Published As

Publication number Publication date
CN109454594A (en) 2019-03-12

Similar Documents

Publication Publication Date Title
CN110076266B (en) IC pin blanking bending equipment
CN109454594B (en) Staple dismounting device and using method thereof
CN218867414U (en) Auxiliary plugging tool for RDIMM memory bank
CN209880163U (en) Universal serial memory testing device
CN210446138U (en) Foldable easel of environmental design
CN216397841U (en) Digital tube bend jig
CN210911341U (en) Environment-friendly carton stapler for corrugated paper production
CN209678667U (en) A kind of guide pin clamper
CN208397506U (en) A kind of type DIN pin end slotting fastly
CN201218947Y (en) Auxiliary CPU-demounting tool
CN208214657U (en) Centering clamp device and welding equipment
CN220774962U (en) Terminal needle withdrawing device
CN213134650U (en) Stainless steel split pin forming device for aviation
CN215467716U (en) Reinforcing bar testing arrangement that bends
CN219789722U (en) Threading structure and file binding device
CN213436450U (en) Plate bending machine
CN214013373U (en) Novel wire terminal riveting equipment
CN208592916U (en) PVC hollow plate blanking units
CN216575805U (en) High-precision cutting equipment for machining capillary tube
CN220585695U (en) 13A socket checking and riveting integrated machine
CN218896665U (en) Pile assembling chuck device
CN217070542U (en) Toggle switch bending device
CN216400704U (en) Tool rest structure of marking press for processing container identification
CN109048793B (en) Portable labor-saving novel nail extractor and use method thereof
CN215237474U (en) High-precision wire clamping and cutting mechanism

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
CB02 Change of applicant information

Address after: 241100 No.1, Yonghe Road, Wanzhe District, Wuhu City, Anhui Province

Applicant after: ANHUI INSTITUTE OF INFORMATION TECHNOLOGY

Address before: No. 8, Wen Jin Xi Road, Yijiang District, Wuhu, Anhui Province

Applicant before: ANHUI INSTITUTE OF INFORMATION TECHNOLOGY

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant