CN111948799B - Magnifying glass - Google Patents
Magnifying glass Download PDFInfo
- Publication number
- CN111948799B CN111948799B CN202010697595.6A CN202010697595A CN111948799B CN 111948799 B CN111948799 B CN 111948799B CN 202010697595 A CN202010697595 A CN 202010697595A CN 111948799 B CN111948799 B CN 111948799B
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- connecting rod
- groove
- handle
- magnet
- lens
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- 239000011521 glass Substances 0.000 title claims description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 44
- 239000004744 fabric Substances 0.000 claims abstract description 33
- 238000004804 winding Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/002—Magnifying glasses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The invention discloses a magnifier, which comprises a lens frame and lenses, wherein the lenses are arranged in the lens frame, the lens frame is connected with a handle, the handle is provided with a concave cavity, a cleaning cloth with one end capable of being pulled out outwards and used for cleaning the lenses is arranged in the concave cavity, and an automatic furling device used for automatically furling the pulled cleaning cloth into the concave cavity is also arranged in the concave cavity. By adopting the structure, the invention provides the magnifier which is convenient for cleaning the lens and has various using states.
Description
Technical Field
The invention relates to a magnifying glass.
Background
At present, the existing magnifier is not connected with cleaning cloth for cleaning lenses of the existing magnifier, so that the cleaning cloth needs to be searched everywhere during cleaning, and the defect of inconvenient use exists. In addition, the existing magnifier is often only used in one state by holding, and has limitation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the magnifier which is convenient for cleaning lenses and has a plurality of using states.
In order to achieve the purpose, the invention provides a magnifier, which comprises a lens frame and lenses, wherein the lenses are arranged in the lens frame, the lens frame is connected with a handle, the handle is provided with a concave cavity, cleaning cloth with one end capable of being pulled out outwards and used for cleaning the lenses is arranged in the concave cavity, and an automatic furling device used for automatically furling the pulled cleaning cloth into the concave cavity is also arranged in the concave cavity.
The beneficial effects of the invention are: by adopting the structure, the cleaning cloth is directly pulled out of the cavity of the handle, so that the lens can be cleaned, and after the cleaning cloth is used, the cleaning cloth can be automatically rolled back into the cavity under the action of the automatic rolling device, so that the cleaning cloth is simple in structure and convenient to use.
The automatic winding device can be further arranged to comprise a rotating shaft, a spring, a first connecting rod and a second connecting rod, one end of the cleaning cloth is fixedly wound on the rotating shaft, the other end of the cleaning cloth is wound on the rotating shaft, a square connector is arranged at the end part of one axial end of the first connecting rod, the other axial end of the first connecting rod is fixed with one end of the spring, one axial end of the second connecting rod is fixed with the other end of the spring, a circular connector is arranged at the end part of the other axial end of the second connecting rod, the first connecting rod, the second connecting rod and the spring are coaxially arranged in the rotating shaft in a penetrating mode, a radial lug forming clamping fixation with the rotating shaft is arranged on the second connecting rod, a square groove forming clamping fixation with the square connector is correspondingly arranged on one side of the cavity, and a circular groove forming rotary fit with the circular connector is correspondingly arranged on the other side of the cavity.
By adopting the structure, when cleaning, people can pull out the cleaning cloth by rotating the rotating shaft. Because form the joint through radial lug between pivot and the second connecting rod, consequently the pivot pivoted in, will drive the second connecting rod rotatory, and this moment, the head rod is because and form the joint through square connector and square groove between the cavity and fix, consequently the head rod can not rotate, and because fixedly connected with spring between head rod and the second connecting rod, consequently the rotation of second connecting rod can make the spring form elasticity and hold power to after people loosen cleaning cloth, the spring is replied, will drive on the cleaning cloth automatic winding revolving axle.
The interlocking device comprises an interlocking block, the interlocking block is arranged in a handle in a sliding manner, a pushing part for pushing the interlocking block to slide is arranged on the interlocking block, a linear sliding groove for the pushing part to penetrate out and form sliding fit with the pushing part is correspondingly formed in the handle, an inserting end which is inserted into the inserting groove through sliding after the opening is closed by the cover plate is correspondingly arranged on the interlocking block, when the inserting end and the inserting groove form inserting fit, the inserting end limits the cover plate to open the opening of the cavity, a first magnet is fixedly arranged on the interlocking block, a second magnet capable of forming suction fixation with the first magnet is fixedly arranged on the second connecting rod, and when the pushing part slides to one end of the linear sliding groove, the first magnet is in contact with the second magnet and forms suction fixation, and the inserting end is inserted into the inserting groove; when the pushing part slides to the other end of the linear sliding groove, the first magnet is separated from the second magnet, and the inserting end slides out of the slot.
By adopting the structure, after the cover plate closes the concave cavity opening, the plugging end can be correspondingly inserted into the slot by sliding the interlocking block to one side of the linear sliding chute, so that the interlocking block locks the cover plate and limits the cover plate to open the concave cavity opening; simultaneously, first magnet and second magnet constitute the actuation and fix, thereby make the rotation of second connecting rod and pivot is also restricted to the interlocking piece, and then avoids leading to the pivot also and then rocking because of people remove the magnifying glass. In addition, the first magnet and the second magnet are fixedly attracted, and the sliding interlocking block is fixedly limited, namely the cover plate, the interlocking block and the automatic winding device are fixedly connected together, so that the structure is more reliable. When people need to clean, the interlocking blocks slide to the other side of the linear sliding groove, the first magnet and the second magnet are separated, the inserting end also slides out of the inserting groove, the cover plate is pushed to open the cavity opening, the rotating shaft loses the rotating limit, and people can drive the rotating shaft to rotate by pulling the cleaning cloth. In conclusion, the interlocking device is simple in structure, convenient to operate and reliable in interlocking.
The invention can be further set that a convex groove is formed on the opening of the concave cavity, one end of the convex groove is closed, the other end of the convex groove penetrates through the handle, and the cover plate is correspondingly set to be in a convex shape which is matched and spliced with the convex groove. The arrangement not only ensures that the cover plate is more reliably connected to the opening of the concave cavity, but also plays a role in guiding the opening and closing process of the cover plate.
The invention can be further arranged that the lens frame comprises a mounting plate and a connecting strip, the lens is fixedly arranged on the mounting plate, the mounting plate is provided with two channels, the two channels are respectively arranged at two sides of the lens, each channel is internally provided with a sliding block which forms sliding fit with the channel and a telescopic shaft, one end of the telescopic shaft penetrates out of the channel and is fixed on the connecting strip, the other end of the telescopic shaft is hinged and fixed with the sliding block, and the handle is rotatably connected on the connecting strip. With the arrangement, people can pull out the mounting plate along the axial direction of the telescopic shaft, so that people can move the position of the lens according to the use requirement; in addition, treat that the telescopic shaft shifts out the back outside the passageway completely, through articulated rotation, the telescopic shaft upset relatively of mounting panel, at this moment, connecting strip and handle support down, mounting panel and lens are located the top to make the magnifying glass of original tiling can change into the structure that has two-layer from top to bottom, even make the magnifying glass has more user state.
The handle comprises a vertical section and an arc section, the vertical section is positioned on one side of the mounting plate, the arc section is connected with one end of the vertical section and is matched and abutted against the outer side of the arc end of the mounting plate, the other end of the vertical section is rotatably connected with the connecting strip, and the concave cavity is formed in the vertical section. Set up like this and make the magnifying glass draw in back structure more simple and compact reliable in, simultaneously, when people hold the book reading, still accessible hang a rope on the neck, hang the arc section of handle on the rope again, alright liberation both hands use the magnifying glass, even get the magnifying glass has more user state.
The invention can be further provided with a rotating column arranged at the end part of the vertical section connected with the connecting strip, a rotating groove which is in rotating fit with the rotating column is correspondingly arranged on the connecting strip, a plurality of clamping grooves are uniformly distributed on the circumferential surface of the rotating groove, and a clamping block which is clamped and positioned with the clamping grooves is arranged on the rotating column. Set up like this for the handle rotates to arbitrary angle relative connecting strip and can both form effective location, thereby more convenient to use.
Drawings
FIG. 1 is a structural view of the invention in a collapsed state;
FIG. 2 is a first usage state diagram of the present invention;
FIG. 3 is a second use state diagram of the present invention;
FIG. 4 is a third use state diagram of the present invention;
FIG. 5 is a view of the structure of a portion of a connecting strip;
FIG. 6 is a block diagram of a mounting plate portion;
FIG. 7 is an exploded view of the handle portion;
FIG. 8 is a partial block diagram of the present invention;
fig. 9 is a partial exploded view of the present invention.
Detailed Description
As shown in fig. 1-9, a magnifier is provided, which comprises a lens frame and a lens 1, wherein the lens 1 is installed in the lens frame, the lens frame is connected with a handle 2, the handle 2 is provided with a cavity 21, a cleaning cloth 3 with one end capable of being pulled out outwards and used for cleaning the lens 1 is arranged in the cavity 21, and an automatic furling device 4 for automatically furling the pulled cleaning cloth 3 into the cavity 21 is further arranged in the cavity 21.
By adopting the structure, the cleaning cloth 3 is directly pulled out of the handle cavity 21, so that the lens 1 can be cleaned, and after the cleaning cloth is used, the cleaning cloth 3 can be automatically furled back into the cavity 21 under the action of the automatic furling device 4, so that the cleaning cloth cleaning device is simple in structure and convenient to use.
The automatic winding device 4 can further comprise a rotating shaft 41, a spring 42, a first connecting rod 43 and a second connecting rod 44, wherein one end of the cleaning cloth 3 is fixed with the rotating shaft 41, the other end of the cleaning cloth 3 is wound on the rotating shaft 41, a square connector 45 is arranged at one axial end of the first connecting rod 43, the other axial end of the first connecting rod 43 is fixed with one end of the spring 42, one axial end of the second connecting rod 44 is fixed with the other end of the spring 42, a circular connector 46 is arranged at the other axial end of the second connecting rod 44, the first connecting rod 43, the second connecting rod 44 and the spring 42 are coaxially arranged in the rotating shaft 41 in a penetrating manner, a radial lug 47 which is clamped and fixed with the rotating shaft 41 is arranged on the second connecting rod 44, a square groove which is clamped and fixed with the square connector 45 is correspondingly arranged at one side of the cavity 21, and a circular groove which is rotationally matched with the circular connector 46 is correspondingly arranged at the other side of the cavity 21.
With the above structure, when cleaning, people can pull out the cleaning cloth 3 by rotating the rotating shaft 41. Because the rotating shaft 41 and the second connecting rod 44 are clamped by the radial lugs 47, the rotating shaft 41 rotates and drives the second connecting rod 44 to rotate, at the same time, the first connecting rod 43 is clamped and fixed with the cavity 21 by the square connector 45 and the square groove, so the first connecting rod 43 cannot rotate, and because the spring 42 is fixedly connected between the first connecting rod 43 and the second connecting rod 44, the spring 42 can form elastic force accumulation by the rotation of the second connecting rod 44, so that after people loosen the cleaning cloth 3, the spring 42 is restored and drives the cleaning cloth 3 to be automatically wound on the rotating shaft 41.
The invention can be further arranged that a cover plate 5 for opening or closing the opening 22 is arranged on the opening 22 of the cavity 21, an interlocking device is arranged between the cover plate 5 and the second connecting rod 44, the interlocking device comprises an interlocking block 6, the interlocking block 6 is slidably arranged in the handle 2, the interlocking block 6 is provided with a pushing part 61 for pushing the interlocking block to slide, the handle 2 is correspondingly provided with a linear sliding groove 23 through which the pushing part 61 penetrates and forms sliding fit with the pushing part 61, the cover plate 5 is provided with an insertion groove 51, the interlocking block 6 is correspondingly provided with an insertion end 62 which is inserted into the insertion groove 51 through sliding after the opening 22 is closed by the cover plate 5, when the insertion end 62 and the insertion groove 51 form insertion fit, the insertion end 62 limits the cover plate 5 to open the opening 21, the interlocking block 6 is fixedly provided with a first magnet 63, the second connecting rod 44 is fixedly provided with a second magnet 48 which can form suction and fixation with the first magnet 63, and the insertion end 51 is inserted into the insertion groove 51 after the pushing part 61 slides to one end of the linear sliding groove 23, the first magnet 63 and the second magnet 48 are contacted with the insertion end 51; when the pushing portion 61 slides to the other end of the linear sliding groove 23, the first magnet 63 is separated from the second magnet 48, and the inserting end 62 slides out of the slot 51. In addition, the handle 2 may be constructed by split joining of two parts to facilitate the installation of the internal structure of the handle 2.
With the above structure, after the cover plate 5 closes the cavity opening 22, the interlocking block 6 slides to one side of the linear sliding groove 23, so that the inserting end 62 is correspondingly inserted into the slot 51, and the interlocking block 6 locks the cover plate 5 to limit the cover plate 5 from opening the cavity opening 22; meanwhile, the first magnet 63 and the second magnet 48 are fixed in an attracting manner, so that the interlocking block 6 also limits the rotation of the second connecting rod 44 and the rotating shaft 41, and further the rotating shaft 41 is prevented from shaking along with the movement of the magnifier by people. In addition, the first magnet 63 and the second magnet 48 are fixed in an attracting mode, and the sliding interlocking block 6 is also fixed and limited, namely the cover plate 5, the interlocking block 6 and the automatic winding device 4 are fixedly connected together, so that the structure is more reliable. When people need to clean, the interlocking block 6 slides to the other side of the linear sliding groove 23, the first magnet 63 is separated from the second magnet 48, the inserting end 62 also slides out of the inserting groove 51, the cavity opening 22 can be opened by pushing the cover plate 5, the rotating shaft 41 also loses the rotating limit, and people can drive the rotating shaft 41 to rotate by pulling the cleaning cloth 3. In conclusion, the interlocking device is simple in structure, convenient to operate and reliable in interlocking.
The invention can be further set that a convex groove 24 is formed on the opening 22 of the concave cavity 21, one end of the convex groove 24 is closed, the other end of the convex groove 24 penetrates through the handle 2, and the cover plate 5 is correspondingly set into a convex shape which is matched and spliced with the convex groove 24. This arrangement both makes the cover 5 more securely connected to the recess opening 22 and also guides the opening and closing process of the cover 5.
The invention can be further arranged that the lens frame comprises a mounting plate 7 and a connecting strip 8, the lens 1 is fixedly arranged on the mounting plate 7, the mounting plate 7 is provided with two channels 71, the two channels 71 are respectively arranged at two sides of the lens 1, each channel 71 is internally provided with a sliding block 72 which forms sliding fit with the channel 71 and a telescopic shaft 73, one end of the telescopic shaft 73 penetrates out of the channel 71 and is fixed on the connecting strip 8, the other end of the telescopic shaft 73 is hinged and fixed with the sliding block 72, and the handle 2 is rotatably connected on the connecting strip 8. So arranged, one can pull out the mounting plate 7 in the axial direction of the telescopic shaft 73, thereby allowing one to shift the position of the lens 1 as desired for use; in addition, after the telescopic shaft 73 is completely moved out of the channel 71, the mounting plate 7 can be turned over relative to the telescopic shaft 73 through hinged rotation, at the moment, the connecting strip 8 and the handle 2 are supported below, and the mounting plate 7 and the lens 1 are positioned above, so that the original tiled magnifier can be changed into a structure with an upper layer and a lower layer, as shown in fig. 4, that is, the magnifier has more using states.
The invention can be further arranged that a convex block 74 is formed at one end of the mounting plate 7, a groove 81 which is in plug fit with the convex block 74 is formed on the connecting strip 8, the other end 75 of the mounting plate 7 is arranged in an arc shape, the handle 2 comprises a vertical section 25 and an arc-shaped section 26, the vertical section 25 is positioned at one side of the mounting plate 7, the arc-shaped section 26 is connected with one end of the vertical section 25 and is matched and abutted against the outer side of the arc-shaped end 75 of the mounting plate 7, the other end of the vertical section 25 is rotatably connected with the connecting strip 8, and the concave cavity 21 is formed on the vertical section 25. Set up like this and make the magnifying glass draw in back structure more simple and compact reliably, simultaneously, when people hold the book reading, still accessible hang a rope on the neck, hang the arc section 26 of handle 2 on the rope again, alright liberation both hands use the magnifying glass, as shown in fig. 3, even get the magnifying glass has more user states.
The invention can be further arranged that the end part of the vertical section 25 connected with the connecting bar 8 is provided with a rotating column 27, the connecting bar 8 is correspondingly provided with a rotating groove 82 which forms a rotating fit with the rotating column 27, the circumferential surface of the rotating groove 82 is uniformly distributed with a plurality of clamping grooves 83, and the rotating column 27 is provided with a clamping block 28 which forms a clamping positioning with the clamping grooves 83. The arrangement is such that the handle 2 can form effective positioning when rotating to any angle relative to the connecting strip 8, as shown in fig. 1, the handle 2 rotates to be folded with the lens frame; fig. 2 shows a state diagram of the handle 2 after rotating 180 degrees relative to the lens frame, but the handle 2 may also rotate 90 degrees, 60 degrees, etc. relative to the lens frame, that is, the handle 2 may rotate 360 degrees at any angle, so that the magnifier provided by the present invention has various use states, and is convenient for users to use in various scenes.
Claims (5)
1. A magnifying lens comprising a lens frame and a lens, said lens being mounted in the lens frame, wherein: the lens frame is connected with a handle, the handle is provided with a concave cavity, the concave cavity is internally provided with a cleaning cloth, one end of the cleaning cloth can be pulled out outwards and used for cleaning the lens, and the concave cavity is internally provided with an automatic winding device used for automatically winding the pulled cleaning cloth back into the concave cavity; the automatic winding device comprises a rotating shaft, a spring, a first connecting rod and a second connecting rod, one end of the cleaning cloth is fixedly wound on the rotating shaft, the other end of the cleaning cloth is wound on the rotating shaft, a square connector is arranged at the end part of one axial end of the first connecting rod, the other axial end of the first connecting rod is fixed with one end of the spring, one axial end of the second connecting rod is fixed with the other end of the spring, a circular connector is arranged at the end part of the other axial end of the second connecting rod, the first connecting rod, the second connecting rod and the spring are coaxially arranged in the rotating shaft in a penetrating manner, a radial lug forming clamping fixation with the rotating shaft is arranged on the second connecting rod, a square groove forming clamping fixation with the square connector is correspondingly arranged at one side of the cavity, and a circular groove forming rotary fit with the circular connector is correspondingly arranged at the other side of the cavity; the interlocking device comprises an interlocking block, the interlocking block is arranged in a handle in a sliding mode, a pushing part used for pushing the interlocking block to slide is arranged on the interlocking block, a linear sliding groove for the pushing part to penetrate out and form sliding fit with the pushing part is correspondingly formed in the handle, an inserting end inserted into the inserting groove through sliding after the opening is closed by the cover plate is correspondingly arranged on the interlocking block, when the inserting end and the inserting groove form inserting fit, the inserting end limits the cover plate to open the opening of the cavity, a first magnet is fixedly arranged on the interlocking block, a second magnet capable of forming suction fixation with the first magnet is fixedly arranged on the second connecting rod, and when the pushing part slides to one end of the linear sliding groove, the first magnet is in contact with the second magnet and forms suction fixation, and the inserting end is inserted into the inserting groove; when the pushing part slides to the other end of the linear sliding groove, the first magnet is separated from the second magnet, and the inserting end slides out of the slot.
2. The loupe of claim 1, wherein: a convex groove is formed in the opening of the concave cavity, one end of the convex groove is closed, the other end of the convex groove penetrates through the handle, and the cover plate is correspondingly arranged to be in a convex shape matched with the convex groove in an inserted mode.
3. A magnifying glass according to claim 1 or 2, wherein: the lens frame includes mounting panel and connecting strip, and lens fixed mounting is on the mounting panel, two passageways have been seted up on the mounting panel, and two passageways divide and establish in the both sides of lens, be provided with one in every passageway rather than constituting the complex slider that slides and a telescopic shaft, outside the passageway was worn out to the one end of telescopic shaft to fix on the connecting strip, the other end and the slider formation of telescopic shaft are articulated fixed, the handle rotates to be connected on the connecting strip.
4. A magnifying glass according to claim 3, wherein: one of mounting panel serves to be formed with the lug, seted up on the connecting strip with the lug constitutes grafting complex recess, the arc is set to the other end of mounting panel, the handle includes vertical section and segmental arc, vertical section is located one side of mounting panel, the segmental arc is connected with the one end of vertical section to looks adaptation butt is in the arc end outside of mounting panel, and the other end of vertical section rotates with the connecting strip to be connected, the cavity set up in vertical section.
5. The loupe of claim 4, wherein: the end part of the vertical section, which is connected with the connecting strip, is provided with a rotating column, the connecting strip is correspondingly provided with a rotating groove which is matched with the rotating column in a rotating way, a plurality of clamping grooves are uniformly distributed on the circumferential surface of the rotating groove, and a clamping block which is clamped and positioned by the clamping grooves is arranged on the rotating column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697595.6A CN111948799B (en) | 2020-07-20 | 2020-07-20 | Magnifying glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697595.6A CN111948799B (en) | 2020-07-20 | 2020-07-20 | Magnifying glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111948799A CN111948799A (en) | 2020-11-17 |
| CN111948799B true CN111948799B (en) | 2022-12-16 |
Family
ID=73340719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010697595.6A Active CN111948799B (en) | 2020-07-20 | 2020-07-20 | Magnifying glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111948799B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3146228U (en) * | 2008-08-28 | 2008-11-06 | エドカ工業株式会社 | Reflective loupe with cleaner |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357173A (en) * | 1980-10-15 | 1982-11-02 | Polymer Technology Corporation | Lens cleaning and polishing method |
| DE10139173C1 (en) * | 2001-08-16 | 2002-10-10 | Leica Camera Ag | System for rotational adjustment of cap on housing of ocular comprises three pins whose tips are equidistant from its axis and fit into sloping slots in cap which lock it in place |
| CN203909422U (en) * | 2014-06-14 | 2014-10-29 | 温州市中民眼镜有限公司 | Glasses with glasses cloth |
| CN204635071U (en) * | 2015-05-19 | 2015-09-16 | 廖金丽 | Cigarette-roller |
| CN205624443U (en) * | 2016-05-20 | 2016-10-12 | 厦门大学嘉庚学院 | Cigarette making machine |
| CN206788459U (en) * | 2017-04-11 | 2017-12-22 | 上海山南勘测设计有限公司 | A kind of multi-functional geological prospecting magnifying glass |
| CN207132889U (en) * | 2017-09-04 | 2018-03-23 | 广州市广州工程建设监理有限公司 | A kind of spirit level |
-
2020
- 2020-07-20 CN CN202010697595.6A patent/CN111948799B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3146228U (en) * | 2008-08-28 | 2008-11-06 | エドカ工業株式会社 | Reflective loupe with cleaner |
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| CN111948799A (en) | 2020-11-17 |
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Address after: 325000 first floor (east area) and second floor of workshop 480, Binhai 12th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Applicant after: WENZHOU FUKAI OPTICAL TECHNOLOGY CO.,LTD. Address before: No.419-9 Xiajin Road, nanbaixiang street, Ouhai District, Wenzhou City, Zhejiang Province 325000 Applicant before: WENZHOU FUKAI OPTICAL TECHNOLOGY CO.,LTD. |
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