CN108376633B - Fuse bears device - Google Patents
Fuse bears device Download PDFInfo
- Publication number
- CN108376633B CN108376633B CN201810322195.XA CN201810322195A CN108376633B CN 108376633 B CN108376633 B CN 108376633B CN 201810322195 A CN201810322195 A CN 201810322195A CN 108376633 B CN108376633 B CN 108376633B
- Authority
- CN
- China
- Prior art keywords
- contact
- fuse
- side plate
- clamping opening
- notch
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 15
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 abstract description 8
- 239000010951 brass Substances 0.000 abstract description 8
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- BSPSZRDIBCCYNN-UHFFFAOYSA-N phosphanylidynetin Chemical compound [Sn]#P BSPSZRDIBCCYNN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/202—Bases for supporting the fuse; Separate parts thereof for fuses with ferrule type end contacts
Landscapes
- Fuses (AREA)
Abstract
The fuse bearing device comprises a bearing body (2) and a fixed seat (3), wherein the bearing body (2) comprises a cover plate (4) and a bearing frame (5); the fuse is characterized by further comprising 2 contact sheets (7), wherein the contact sheets (7) are provided with contact clamping openings (8), the contact clamping openings (8) are incomplete round notches with upward openings (9), and when the fuse (1) is plugged into the contact sheets (7), the contact clamping openings (8) expand to clamp the contact caps (6) of the fuse (1) to form conductive contact; a pin (10) for connecting to the external electricity is arranged below the contact piece (7); longitudinal grooves (11) for accommodating the contact pieces (7) are formed in the fixing base (3) at intervals, gaps (12) in the grooves are formed in the longitudinal grooves (11), and the pins (10) penetrate through the gaps (12) in the grooves; through optimizing the structure of contact piece atress, when keeping brass material advantage, can guarantee that the contact piece still keeps better elasticity after many times plug to guarantee the stability of electric contact.
Description
Technical Field
The present invention relates to a fuse carrier.
Background
The fuse is an electric appliance which fuses a melt by heat generated by the fuse when a current exceeds a predetermined value to open a circuit. The fuse melts the melt by the heat generated by the fuse after the current exceeds a specified value for a period of time, so that the circuit is disconnected; a current protector is made by applying the principle. The fuse is widely applied to high-low voltage distribution systems, control systems and electric equipment, is used as a protector for short circuit and overcurrent, and is one of the most common protection devices. A common fuse is a cylindrical standard fuse with cylindrical conductive metal contact caps at both ends, as shown in fig. 1.
The specific structural schemes of the fuse carrying devices are different. The connection between the two poles of the fuse and the electrical contacts of the fuse carrier is in the form of plug-in separable contacts, the contact-conductivity of which is the core function of this type of fuse carrier. At present, the clamping mode of the cylindrical standard fuse of the fuse bearing device generally adopts 2 clamping seats which are arranged at intervals as electric contact pieces, each clamping seat comprises a pair of clamping pieces which are symmetrically arranged and made of conductive metal, a clamping cavity which is matched with the cylindrical conductive metal contact caps at two ends of the cylindrical standard fuse is formed, and the cylindrical standard fuse is clamped by utilizing the elasticity of the metal clamping pieces to form electric contact, so that the fuse support piece is disclosed in Chinese patent document CN 205863127U. The contact conductive effect of the products on the market is not ideal, and the contact sheet of the two types of fuse contact bearing devices on the market has the following defects:
1 st: the metal clamping piece adopts high-strength materials such as tin phosphor bronze, so that the fuse can be plugged and pulled out for many times, but the material cost of the product is higher, and the conductivity is poorer.
2 Nd: the metal clamping piece adopts medium strength and good conductive material such as brass, and the cost of raw materials is lower, but the contact piece is easy to generate plastic deformation after being inserted and pulled for many times due to poor structure, so that poor contact is caused.
3 Rd: the brass material has better conductivity and lower cost, but in order to improve the elasticity and strength weakness of the brass material, a complex sheet metal bending structure is designed, so that the conductivity and elasticity are better, but the material cost and the processing cost are higher because of the complex structure and process.
Disclosure of Invention
The present invention is directed to the above-mentioned state of the art, and provides a fuse carrying device.
The technical scheme adopted for solving the technical problems is as follows:
The fuse carrying device comprises a carrying body (2) for carrying a cylindrical standard fuse (1), a fixing seat (3) for inserting and pulling out the carrying body (2), and both the carrying body (2) and the fixing seat (3) are made of insulating materials; the bearing body (2) comprises a cover plate (4) and a bearing frame (5) which is arranged in a downward extending way from the cover plate (4); the fuse bearing device is characterized by further comprising 2 contact sheets (7) which are made of conductive metal and used for clamping columnar conductive metal contact caps (6) at two ends of the fuse (1) at intervals, wherein the contact sheets (7) are perpendicular to the axis of the fuse (1) to be contacted, the contact sheets (7) are provided with a contact clamping opening (8) which is suitable for clamping the contact caps (6) of the fuse (1), the contact clamping opening (8) is an incomplete circular gap with an upward opening (9), the diameter of the contact clamping opening (8) is smaller than the outer diameter of the contact caps (6) of the fuse (1) in normal state, when the fuse (1) is plugged into the contact sheets (7), the contact clamping opening (8) expands, elastic deformation stress is generated by using the elasticity of materials of the contact clamping opening, and the contact clamping opening (8) is used for clamping the contact caps (6) of the fuse (1) to form conductive contact; a pin (10) for connecting to the external electricity is arranged below the contact piece (7); longitudinal grooves (11) for accommodating the contact pieces (7) are formed in the fixing base (3) at intervals, gaps (12) in the grooves are formed in the longitudinal grooves (11), and the pins (10) penetrate through the gaps (12) in the grooves.
Further schemes are as follows.
The contact piece (7) is provided with a deformation notch (13) below the contact clamping opening (8), and the deformation notch (13) is communicated with the contact clamping opening (8).
The deformation notch (13) of the contact piece (7) comprises a left arc notch (14), a right arc notch and a lower arc notch.
The deformation notch (13) of the contact piece (7) is a cross notch formed by crisscross rectangular notches, and four corners of the crisscross rectangular are rounded or are completely rounded.
Two extrusion convex points (15) are symmetrically arranged on two sides of the contact piece (7).
The bearing frame (5) comprises a front side plate (16), a rear side plate (16), a left side plate (17) and a right side plate (17), wherein round bottom holes (18) for the fuse (1) to pass through are formed in the left side plate and the right side plate (17).
The outer side surfaces of the front side plate and the rear side plate (16) are provided with anti-skid areas (19); the non-slip areas (19) are raised or recessed surfaces, or transverse or vertical ribs; or the antiskid area (19) is a whole rough regular or irregular concave-convex texture.
A window notch (20) which can be used for observing the state of the internal fuse (1) without disassembly is formed on the cover plate (4) of the supporting body (2).
The fuse bearing device provided by the invention comprises 2 contact pieces which are arranged at intervals and made of conductive metal and are used for clamping columnar conductive metal contact caps at two ends of the fuse, and the contact pieces are made of brass with medium strength and low cost, and the bearing device can ensure that the contact pieces still keep good elasticity after multiple plugging and unplugging by optimizing the stress structure of the contact pieces on the basis of adopting the brass with medium strength, so that the stability of electric contact is ensured. Because the contact piece is provided with the contact clamping opening which is suitable for clamping the fuse contact cap, the contact clamping opening is an incomplete circular notch with an upward opening, the diameter of the contact clamping opening is smaller than the outer diameter of the fuse contact cap in a normal state, when the fuse is plugged into the contact piece, the contact clamping opening expands, elastic deformation stress is generated by using the elasticity of the material of the contact clamping opening, and the fuse contact cap is clamped to form conductive contact. Therefore, the contact piece has good mechanical property, the product can still keep good contact pressure after being plugged and pulled for many times, the elasticity is good, and the plugging service life is long. Because the contact piece structure of the invention has excellent elasticity, the contact piece can be made of brass materials with general strength, and compared with tin phosphor bronze with good strength, the contact piece structure of the invention has the advantages of good conductivity and low cost, and can also save the manufacturing cost.
In a further scheme of the invention, the contact piece is provided with a deformation notch below the contact clamping opening, and the deformation notch is communicated with the contact clamping opening. The geometric shape of the material has better mechanical property, so that the contact deformation is controlled within the range of the elastic deformation allowed by the material, and the reliable plugging contact performance is ensured. The extrusion protruding points on the contact piece of the fuse play a role in enhancing the contact force between the fuse and the contact piece, so that the contact force is enhanced, and the conductive performance of the product is further enhanced. The outer side surfaces of the front side plate and the rear side plate of the bearing frame are provided with anti-slip areas, so that an anti-slip effect is achieved during the handheld plug operation, and the handheld plug operation is facilitated.
Drawings
FIG. 1 is a schematic perspective view of a standard cylindrical fuse;
FIG. 2 is a perspective view showing an inserted state of the fuse carrier according to the present invention;
FIG. 3 is a schematic illustration of a fuse carrier of the present invention;
FIG. 4 is an exploded view of the fuse carrier assembly of the present invention;
fig. 5 is a schematic perspective view of a carrier;
Fig. 6 is a perspective view showing a state in which a fuse is inserted into a carrier;
Fig. 7 is a schematic perspective view of a contact sheet;
FIG. 8 is a perspective view of a holder;
FIG. 9 is a schematic bottom perspective view of the holder;
Fig. 10 is a schematic diagram of the electrical connection principle of the present invention.
Detailed Description
The following describes a specific embodiment of the present invention by taking a preferred embodiment of the fuse carrying device of the present invention as shown in fig. 1 to 10 as an example.
The fuse carrying device disclosed by the invention is shown in fig. 2-4, and comprises a carrying body (2) for carrying a cylindrical standard fuse (1) shown in fig. 1, and a fixed seat (3) for inserting and pulling out the carrying body (2), wherein the carrying body (2) and the fixed seat (3) are both made of insulating materials; the bearing body (2) comprises a cover plate (4) and a bearing frame (5) which is arranged in a downward extending way from the cover plate (4); the fuse bearing device further comprises 2 contact pieces (7) which are arranged at intervals and made of conductive metal and used for clamping columnar conductive metal contact caps (6) at two ends of the fuse (1), and the contact pieces (7) are perpendicular to the axis of the fuse (1) to be contacted. As shown in fig. 7, the contact piece (7) is provided with a contact clamping opening (8) suitable for clamping the contact cap (6) of the fuse (1), the contact clamping opening (8) is an incomplete circular notch with an upward opening (9), the diameter of the contact clamping opening (8) is smaller than the outer diameter of the contact cap (6) of the fuse (1) in a normal state, when the fuse (1) is plugged into the contact piece (7), the contact clamping opening (8) expands, elastic deformation stress is generated by using the elasticity of the material of the contact clamping opening, and the contact cap (6) of the fuse (1) is clamped to form conductive contact; pins 10 for connecting to the external electricity are arranged below the contact pieces (7). As shown in fig. 8 and 9, the fixing base (3) is provided with longitudinal grooves (11) at intervals for accommodating the contact pieces (7), gaps (12) in the grooves are formed in the longitudinal grooves (11), and the pins (10) penetrate through the gaps (12) in the grooves.
In order to provide the geometry of the contact piece (7) with better mechanical properties, a reliable plug-in contact performance is ensured. As shown in fig. 7, the contact piece (7) may be provided with a deformation notch (13) below the contact clip opening (8), and the deformation notch (13) is communicated with the contact clip opening (8). The deformation notch (13) of the contact piece (7) comprises a left arc notch (14), a right arc notch and a lower arc notch; or the deformation notch (13) of the contact piece (7) is a cross notch formed by crisscross rectangular notches, and the four corners of the crisscross rectangular are rounded or are preferably completely rounded. Two extrusion protruding points (15) can be symmetrically arranged on two sides of the contact piece (7) so as to enhance the contact force between the fuse and the contact piece and further enhance the contact conductivity of the fuse.
As shown in fig. 5, the bearing frame (5) comprises front and rear side plates (16) and left and right side plates (17), and the left and right side plates (17) are provided with round bottom holes (18) through which the fuse (1) passes. The outer side surfaces of the front side plate and the rear side plate (16) are provided with anti-skid areas (19), and the anti-skid areas (19) are convex or concave surfaces or transverse or vertical ribs; or the antiskid area (19) is a whole rough regular or irregular concave-convex texture. As shown in fig. 6, the window notch (20) is formed on the cover plate (4) of the carrier (2), so that the state of the internal fuse (1) can be observed without disassembly in use.
When the fuse carrying device is used, the fuse carrying device is usually connected with a circuit board 21, as shown in fig. 3 and 4, a cylindrical standard fuse (1) passes through round bottom holes (18) of left and right side plates (17) and is placed in a carrying frame (5); the contact piece 7 is inserted into the longitudinal groove 11 of the fixing base 3, so that the pin 10 of the contact piece 7 passes through the notch (12) in the groove of the fixing base 3, is connected with the circuit board 21 and is fixed, and a welding process is generally adopted to weld the pin 10 of the contact piece 7 with the corresponding part of the circuit board 21, so that the contact piece 7 is fixed in the fixing base 3. In this way, the carrier (5) with the cylindrical standard fuse (1) can be smoothly inserted into the holder (3) or pulled out of the holder (3).
The fuse holder 3 is made of an insulating material, and mainly plays a role in fixing the contact piece 7 and the fuse carrier 2, and at the same time plays a role in insulating and protecting charged components. The working electric connection state of the fuse carrying device is shown in fig. 10, and the diode contact caps (6) of the fuse (1) are respectively connected with the diodes of the circuit board 21 through the contact pieces 7.
The contact piece 7 has good mechanical property, good contact pressure is still kept for the product to be plugged and pulled for many times, the elasticity is good, and the plugging service life is long. Because the contact sheet 7 has excellent elasticity, the contact sheet can be made of brass materials with common strength, and compared with tin phosphor bronze with good strength, the contact sheet has the advantages of good conductivity and low cost, and the manufacturing cost can be saved.
Claims (2)
1. The fuse carrying device comprises a carrying body (2) for carrying a cylindrical standard fuse (1), a fixing seat (3) for inserting and pulling out the carrying body (2), and both the carrying body (2) and the fixing seat (3) are made of insulating materials; the bearing body (2) comprises a cover plate (4) and a bearing frame (5) which is arranged in a downward extending way from the cover plate (4); the fuse bearing device is characterized by further comprising 2 contact sheets (7) which are made of conductive metal and used for clamping columnar conductive metal contact caps (6) at two ends of the fuse (1) at intervals, wherein the contact sheets (7) are perpendicular to the axis of the fuse (1) to be contacted, the contact sheets (7) are provided with a contact clamping opening (8) which is suitable for clamping the contact caps (6) of the fuse (1), the contact clamping opening (8) is an incomplete circular gap with an upward opening (9), the diameter of the contact clamping opening (8) is smaller than the outer diameter of the contact caps (6) of the fuse (1) in normal state, when the fuse (1) is plugged into the contact sheets (7), the contact clamping opening (8) expands, elastic deformation stress is generated by using the elasticity of materials of the contact clamping opening, and the contact clamping opening (8) is used for clamping the contact caps (6) of the fuse (1) to form conductive contact; a pin (10) for connecting to the external electricity is arranged below the contact piece (7); longitudinal grooves (11) for accommodating the contact pieces (7) are formed in the fixing base (3) at intervals, gaps (12) in the grooves are formed in the longitudinal grooves (11), and the pins (10) penetrate through the gaps (12) in the grooves; the contact piece (7) is provided with a deformation notch (13) below the contact clamping opening (8), and the deformation notch (13) is communicated with the contact clamping opening (8); the deformation notch (13) of the contact piece (7) comprises a left arc notch (14), a right arc notch and a lower arc notch; or the deformation notch (13) of the contact piece (7) is a cross notch formed by crisscross rectangular notches, and four corners of the crisscross rectangular are rounded or are completely rounded; two extrusion convex points (15) are symmetrically arranged on two sides of the contact piece (7); the bearing frame (5) comprises a front side plate (16), a rear side plate (16) and a left side plate (17), wherein the left side plate and the right side plate (17) are provided with round bottom holes (18) for the fuse (1) to pass through; the outer side surfaces of the front side plate and the rear side plate (16) are provided with anti-skid areas (19); the non-slip zone (19) is a convex or concave surface.
2. The fuse carrying device as claimed in claim 1, wherein a window opening (20) is provided in the cover plate (4) of the carrier (2) for viewing the state of the internal fuse (1) without disassembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322195.XA CN108376633B (en) | 2018-04-11 | 2018-04-11 | Fuse bears device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810322195.XA CN108376633B (en) | 2018-04-11 | 2018-04-11 | Fuse bears device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108376633A CN108376633A (en) | 2018-08-07 |
| CN108376633B true CN108376633B (en) | 2024-04-26 |
Family
ID=63032134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810322195.XA Active CN108376633B (en) | 2018-04-11 | 2018-04-11 | Fuse bears device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108376633B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161822B (en) * | 2019-04-30 | 2021-09-10 | 高德品创(山东)科技有限公司 | Thermal fuse mounting structure, thermal fuse assembly, fixing unit, and printer |
| CN110416037B (en) * | 2019-08-12 | 2021-05-11 | 合肥通用电源设备有限公司 | Fuse protector |
| US20230104770A1 (en) * | 2021-10-06 | 2023-04-06 | Wöhner Besitz Gmbh | Cube Fuse Adapter |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1581397A (en) * | 1976-09-27 | 1980-12-10 | Western Electric Co | Fuse clips |
| WO1993017469A1 (en) * | 1992-02-21 | 1993-09-02 | Rotacon Limited | Improvements in cable grips |
| CN2261675Y (en) * | 1996-01-22 | 1997-09-03 | 姚伟雄 | Inserting fusing carrier |
| CN2541949Y (en) * | 2002-04-29 | 2003-03-26 | 何耀钜 | Insulating tube clip |
| US6692315B1 (en) * | 1999-06-17 | 2004-02-17 | Ferraz Shawmut | Fuse holder and fuse holder clip |
| KR200439322Y1 (en) * | 2007-01-24 | 2008-04-02 | 주식회사 에스비 | Fuse holder |
| JP2009273209A (en) * | 2008-05-02 | 2009-11-19 | Zen Kenchiku Sekkei Jimusho:Kk | Fastener for wire harnesses |
| CN201788928U (en) * | 2010-09-09 | 2011-04-06 | 浙江致威电子科技有限公司 | Fuse socket |
| KR101224801B1 (en) * | 2011-08-25 | 2013-01-21 | 현명자 | Fuse holder with which the disconnection information means are equipped |
| CN203882945U (en) * | 2014-06-10 | 2014-10-15 | 浙江伏尔特电器有限公司 | Out-door drop-off fuse |
| CN105140082A (en) * | 2015-09-01 | 2015-12-09 | 上海爱浦克施电力科技股份有限公司 | Fuse |
| CN205282438U (en) * | 2016-01-05 | 2016-06-01 | 厦门理工学院 | Single deck tape -recorder for fuse |
| CN106298395A (en) * | 2016-10-28 | 2017-01-04 | 安徽江淮汽车股份有限公司 | Fuse holder assembly |
| CN208062008U (en) * | 2018-04-11 | 2018-11-06 | 天立电机（宁波）有限公司 | A kind of fuse bogey |
-
2018
- 2018-04-11 CN CN201810322195.XA patent/CN108376633B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1581397A (en) * | 1976-09-27 | 1980-12-10 | Western Electric Co | Fuse clips |
| WO1993017469A1 (en) * | 1992-02-21 | 1993-09-02 | Rotacon Limited | Improvements in cable grips |
| CN2261675Y (en) * | 1996-01-22 | 1997-09-03 | 姚伟雄 | Inserting fusing carrier |
| US6692315B1 (en) * | 1999-06-17 | 2004-02-17 | Ferraz Shawmut | Fuse holder and fuse holder clip |
| CN2541949Y (en) * | 2002-04-29 | 2003-03-26 | 何耀钜 | Insulating tube clip |
| KR200439322Y1 (en) * | 2007-01-24 | 2008-04-02 | 주식회사 에스비 | Fuse holder |
| JP2009273209A (en) * | 2008-05-02 | 2009-11-19 | Zen Kenchiku Sekkei Jimusho:Kk | Fastener for wire harnesses |
| CN201788928U (en) * | 2010-09-09 | 2011-04-06 | 浙江致威电子科技有限公司 | Fuse socket |
| KR101224801B1 (en) * | 2011-08-25 | 2013-01-21 | 현명자 | Fuse holder with which the disconnection information means are equipped |
| CN203882945U (en) * | 2014-06-10 | 2014-10-15 | 浙江伏尔特电器有限公司 | Out-door drop-off fuse |
| CN105140082A (en) * | 2015-09-01 | 2015-12-09 | 上海爱浦克施电力科技股份有限公司 | Fuse |
| CN205282438U (en) * | 2016-01-05 | 2016-06-01 | 厦门理工学院 | Single deck tape -recorder for fuse |
| CN106298395A (en) * | 2016-10-28 | 2017-01-04 | 安徽江淮汽车股份有限公司 | Fuse holder assembly |
| CN208062008U (en) * | 2018-04-11 | 2018-11-06 | 天立电机（宁波）有限公司 | A kind of fuse bogey |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108376633A (en) | 2018-08-07 |
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