CN107991830B - Fixing device for lens assembly of medium-size camera - Google Patents
Fixing device for lens assembly of medium-size camera Download PDFInfo
- Publication number
- CN107991830B CN107991830B CN201810028101.8A CN201810028101A CN107991830B CN 107991830 B CN107991830 B CN 107991830B CN 201810028101 A CN201810028101 A CN 201810028101A CN 107991830 B CN107991830 B CN 107991830B
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- camera body
- groove
- front plate
- wall surface
- camera
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- 239000000758 substrate Substances 0.000 claims description 25
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000001815 facial effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
Abstract
The invention relates to the technical field of cameras, in particular to a fixing device for a medium-sized camera lens component. The camera body front plate is internally provided with a stroke containing cavity, a front wall surface and a contour region, wherein the contour region is positioned in the stroke containing cavity and is internally provided with a limiting sliding opening; the fixed buckle and the movable buckle are respectively pressed on the front wall surface of the edge of the middle picture lens component. The invention can conveniently and quickly assemble the middle-picture lens component on the front plate of the camera body by utilizing the lever principle and can ensure that the movable buckle is always matched with the fixed buckle to safely and stably fix the middle-picture lens component by utilizing the elasticity of the locking spring, thereby not only preventing the lens component from shaking, falling off and the like, but also improving the rapidity and the safety and the stability of the lens assembly.
Description
Technical Field
The invention relates to the technical field of cameras, in particular to a fixing device for a medium-sized camera lens component.
Background
The medium frame is an imaging size between a small frame of 36 × 24mm and a large frame of 4 × 5 inches, and in the use process of the camera, the lens of the medium frame camera is often fixed on a common camera or a large frame camera in a switching way according to needs. At present, the fixing mode of the traditional medium picture camera lens assembly in the market mainly takes a plurality of screw fixing modes and a trigger fixing mode as main modes; when the trigger fixing mode is adopted, the lens component is easy to shake or fall after the trigger is fixed, so that the optical axis and the glue plane are not perpendicular to each other easily, the photographing effect is further influenced, and the lens component is easy to slide down due to the fact that the trigger is touched in the camera operating process, and the lens component is damaged; and when adopting the screw fastening mode, the screw can loosen under the resonant condition, and the switching fixed operation of camera lens subassembly is very loaded down with trivial details moreover, and the screw also can occupy the limited volume space of camera simultaneously.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a fixing device for a lens assembly of a medium-format camera.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fixing device for a medium-sized picture camera lens component comprises the medium-sized picture camera lens component and a camera body front plate, wherein a hollowed-out window is formed in the camera body front plate, at least one fixing buckle located on the edge side of the hollowed-out window is arranged on the front wall surface of the camera body front plate, a stroke accommodating cavity located on the edge side of the hollowed-out window is formed in the camera body front plate, at least one limiting sliding opening communicated with the stroke accommodating cavity and distributed close to the hollowed-out window is formed in the outline area of the stroke accommodating cavity and located on the front wall surface of the camera body front plate, a moving substrate is arranged in the stroke accommodating cavity, a moving buckle which penetrates through the limiting sliding opening and is exposed on the front wall surface of the camera body front plate and is distributed relative to the fixing buckle with the center shaft interface of the hollowed-out window, and at least one moving buckle which is driven to move at the limiting sliding buckle through the moving substrate is arranged in the stroke accommodating cavity A locking spring which is close to the fixed buckle in the mouth;
the fixed buckle and the movable buckle are respectively pressed on the front wall surface of the edge of the middle picture lens assembly so as to stack the middle picture lens assembly on the front wall surface of the front plate of the camera body and enable the middle picture lens assembly to be aligned with the hollow window.
Preferably, a stroke accommodating groove is formed in the rear wall surface of the front plate of the camera body, a packaging cover plate for covering a notch of the stroke accommodating groove to form a stroke accommodating cavity is further arranged on the rear wall surface of the front plate of the camera body, and the locking springs are clamped between the groove wall of the stroke accommodating groove and the side wall of the movable substrate and are distributed along the length direction parallel to the limiting sliding opening.
Preferably, at least one first spring groove corresponding to the locking spring in a one-to-one manner is formed in the groove surface of the stroke accommodating groove, a second spring groove covering the first spring groove is formed in the position, opposite to each first spring groove, on the front wall surface of the movable substrate, the locking spring is arranged in a space surrounded by the first spring groove and the corresponding second spring groove, one end of the locking spring abuts against the groove wall of the first spring groove, and the other end of the locking spring abuts against the groove wall of the second spring groove.
Preferably, the number of the locking springs is at least two, and the locking springs are mutually distributed in parallel along the width direction of the limiting sliding opening.
Preferably, the number of the movable buckles is at least two, and the movable buckles are mutually distributed in parallel along the width direction of the limiting sliding opening.
Preferably, a reference groove surface distributed around the hollow window is further formed in the front wall surface of the front plate of the camera body, and the outline edge of the middle-frame lens assembly is lapped on the reference groove surface; the fixed buckle is positioned at the edge of the reference groove surface, and the tail end of the fixed buckle is arranged in front of the reference groove surface in a suspended mode.
Preferably, the camera body front plate further comprises a substrate positioning mechanism, at least one adjusting strip hole distributed in the length direction parallel to the limiting sliding opening is formed in the contour area on the front wall surface of the camera body front plate and located in the stroke containing cavity, and the substrate positioning mechanism comprises an adjusting stud and a positioning locking nut, wherein the adjusting stud penetrates through the adjusting strip hole and is distributed, the rear end of the adjusting stud is connected with the movable substrate, the positioning locking nut is sleeved on the front end part of the adjusting stud and abuts against the front wall surface of the camera body front plate.
Preferably, a buffer gasket is further sleeved on the adjusting stud, and the buffer gasket is clamped between the positioning locking nut and the front wall surface of the front plate of the camera body.
By adopting the scheme, the middle-picture lens assembly can be conveniently and quickly assembled on the front plate of the camera body in a horizontally-mounted mode by utilizing the lever principle, and meanwhile, the elasticity of the locking spring is utilized to ensure that the movable buckle is always matched with the fixed buckle to safely and stably fix the middle-picture lens assembly, so that the problems of shaking, falling and falling of the lens assembly easily caused by adopting a trigger fixing mode can be avoided, and the problems of loosening or complex operation of a screw due to resonance easily caused by adopting a screw fastening mode can also be avoided; the lens fixing device is simple and compact in structure, convenient and fast to operate, safe and stable in lens fixing, and has high practical value and market popularization value.
Drawings
FIG. 1 is a schematic view of the structural assembly of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is an exploded view of the embodiment of the present invention (ii).
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 3, the present embodiment provides a medium frame camera lens assembly fixing device, which includes a medium frame lens a mainly composed of a lens assembly (not shown) and a lens fixing housing 101, and a camera body front plate b assembled on a camera; a hollow window c is arranged on the front plate b of the camera body, at least one fixed buckle 102 positioned at the edge side (such as the left side) of the hollow window c is arranged on the front wall surface of the front plate b of the camera body, a stroke accommodating cavity positioned at the edge side (such as the right side) of the hollow window c is arranged in the front plate b of the camera body, at least one limit sliding opening d (the whole shape of which can be long-strip to provide a certain moving stroke for related parts) communicated with the stroke accommodating cavity and distributed near the hollow window c is arranged on the front wall surface of the front plate b of the camera body and positioned in the outline area of the stroke accommodating cavity, a moving substrate 103 is arranged in the stroke accommodating cavity, a moving buckle 104 which passes through the limit sliding opening d, is exposed on the front wall surface of the front plate b of the camera body and is distributed relatively to the fixed buckle 102 by taking the middle shaft interface of the hollow window c as a boundary is arranged on the front wall, the stroke accommodating cavity is also internally provided with at least one locking spring 105 which drives the movable buckle 104 to move close to the fixed buckle 102 in the limiting sliding port d through the movable substrate 103; the fixed buckle 102 and the movable buckle 104 are respectively pressed on the front wall surface (specifically, the edge of the lens fixing housing 101) at the edge of the middle-format lens assembly a so as to stack the middle-format lens assembly a on the front wall surface of the camera body front plate b and align the middle-format lens assembly a (specifically, the lens assembly) with the hollow window c.
Therefore, a fixed position and a movable position for fixedly clamping the middle-frame lens component a can be formed on two symmetrical sides of the hollow window c through the arranged fixed buckle 102 and the arranged movable buckle 104, according to the structural component principle of the whole device, when the specific structure is arranged, the fixed buckle 102 and the movable buckle 104 can be respectively arranged on the left side and the right side of the hollow window c, when the middle-frame lens component a is specifically assembled, the left side edge of the middle-frame lens component a can be firstly clamped in a structural gap formed by the fixed buckle 102 and the camera body front plate b at the left side edge of the hollow window c, the right side of the middle-frame lens component a is pressed and the movable buckle 104 is simultaneously pushed rightwards by utilizing the lever principle (at this time, the locking spring 105 can be compressed and stored energy under the right shifting pressure of the movable substrate 103), after the right side edge of the middle-frame lens component a is jointed with the front wall surface of the camera body front plate b, the movable buckle 104 is released, the movable base plate 103 can drive the movable buckle 104 to automatically reset and move leftwards under the action of the elastic force of the locking spring 105, so that the right side edge of the medium-format lens assembly a is firmly pressed on the front wall surface of the front plate b of the camera body, and the switching, assembling and fixing of the medium-format lens assembly a are completed.
Based on this, the device of this embodiment can utilize lever principle to carry out convenient and fast ground assembly with medium picture lens subassembly a with the mode of violently adorning, utilizes the elasticity of blocking spring 105 to make movable buckle 104 can cooperate fixed buckle 102 to carry out safe and stable fixed with medium picture lens subassembly a all the time under the circumstances that does not receive the powerful promotion of specific direction simultaneously to both can avoid easily leading to the lens subassembly to appear rocking, drop, the dropout problem because of adopting trigger fixed mode, also can avoid easily leading to the screw because of adopting screw fastening mode to loosen because of resonance and take off or complex operation's problem.
In order to facilitate the disassembly and assembly of the movable substrate 103 and the locking spring 105, a stroke accommodating groove e is formed on the rear wall surface of the camera body front plate b, a packaging cover plate 106 for covering the notch of the stroke accommodating groove e to form a stroke accommodating cavity is further arranged on the rear wall surface of the camera body front plate b, and the locking spring 105 is clamped between the groove wall of the stroke accommodating groove e and the side wall of the movable substrate 103 and is distributed along the length direction parallel to the limiting sliding opening d. Therefore, the movable substrate 103 and the locking spring 105 can be sealed in the stroke accommodating cavity by using the sealing cover plate 106, so that the structural compactness of the whole device is ensured.
As a preferred scheme, at least one first spring groove f corresponding to the locking spring 105 one to one is formed on the groove surface of the travel accommodating groove e, correspondingly, a second spring groove g covering the first spring groove f is formed on the front wall surface of the movable substrate 103 and at a position opposite to each first spring groove f, the locking spring 105 is disposed in a space enclosed by the first spring groove f and the corresponding second spring groove g, and one end of the locking spring 105 abuts against the groove wall of the first spring groove f and the other end abuts against the groove wall of the second spring groove g. Therefore, an installation and expansion space can be provided for the locking spring 105 through the matching of the first spring groove f and the second spring groove g, so that the abutting relation between the locking spring 105 and the movable substrate 103 and the camera body front plate b is utilized to control the movable substrate 103 to move in the stroke accommodating cavity, and finally the movement of the movable buckle 104 is realized.
In order to ensure the moving smoothness of the moving substrate 103, the number of the locking springs 105 of the embodiment is at least two, and the locking springs 105 are distributed in parallel with each other along the width direction of the limiting sliding opening d.
As a preferable scheme, in order to ensure the firmness of the press-fit fixation of the frame lens assembly a, at least two movable buckles 104 are provided in the present embodiment, and the movable buckles 104 are mutually distributed in parallel along the width direction of the limiting sliding opening d. Of course, the number of the fixed buckles 104 of the present embodiment may be at least two and is preferably one-to-one corresponding to each movable buckle 104.
In order to ensure that the middle-frame lens component a can be attached to the reference surface of the camera body more stably, the front wall surface of the front plate b of the camera body is also provided with a reference groove surface h (which can be selectively arranged according to the shape of the peripheral outline of the middle-frame lens component a, such as a rectangle) distributed around the hollow window c, and the outline edge of the middle-frame lens component a is lapped on the reference groove surface h; the fixed buckle 102 is positioned at the edge of the reference groove surface h, and the tail end of the fixed buckle 102 is arranged in front of the reference groove surface h in a suspending way so as to form a structural gap for inserting the edge of the medium picture lens component a between the fixed buckle and the reference groove surface h; of course, it can be understood that the moving latch 104 of the present embodiment can also be suspended in front of the reference groove surface h under the action of the locking spring 105. Therefore, the reference groove surface h can be used for limiting the picture frame lens assembly a (particularly the lens fixing shell 101) and providing structural space for the buckle to press and fix the edge of the buckle, so that the lens can be stably attached to the reference surface of the machine body.
In order to optimize the structure and performance of the whole device to the maximum extent and prevent the movable buckle 104 from being separated from the edge of the middle-size lens assembly a under the action of an unexpected force, thereby causing the middle-size lens assembly a to slip or fall, the device of the embodiment further comprises a substrate positioning mechanism, at least one adjusting strip hole k distributed along the length direction parallel to the limiting sliding opening d is formed in the front wall surface of the front plate b of the camera body and in the contour area of the stroke accommodating cavity, and the substrate positioning mechanism comprises an adjusting stud 107 which penetrates through the adjusting strip hole k and is distributed, and the rear end of the adjusting stud 107 is connected with the movable substrate 103, and a positioning locking nut 108 which is sleeved on the front end part of the adjusting stud 107 and is abutted against the front wall surface of the front plate b of the camera body. Therefore, when the picture lens assembly a is assembled, the locking spring 105 is stressed and compressed (i.e. the movable buckle 104 is driven by the movable base plate 103 to move to the outer end of the limiting sliding opening d (i.e. the end far away from the fixed buckle 103)) and the movable base plate 103 is positioned by screwing the positioning locking nut 108, then the edge of the picture lens assembly a is inserted into the structural gap between the fixed buckle 102 and the front plate b of the camera body to be attached to the front wall of the front plate b of the camera body, then the positioning locking nut 108 is screwed reversely to drive the movable base plate 103 to drive the movable buckle 104 to move towards the direction of the fixed buckle 102 under the elastic force releasing action of the locking spring 105 and to be attached to the edge of the front plate b of the camera body, finally the positioning locking nut 108 is screwed again to drive the movable base plate 103 to drive the movable buckle 102 to be firmly attached to the edge of the front plate b of the camera body in the process of moving the movable base plate 103 backwards at the position, thereby finally completing the locking and positioning of the movable buckle 104 or the movable base plate 103.
In order to avoid the problems of component wear or wire sliding caused by direct contact between the positioning lock nut 108 and the camera body front plate b, a buffer gasket 109 is sleeved on the adjusting stud 107, and the buffer gasket 109 is clamped between the positioning lock nut 108 and the front wall surface of the camera body front plate b.
In addition, the structural compactness among the components and the performance quality of the whole device are improved, and the related components can be manufactured and molded according to the following materials, for example, the front plate b of the camera body, the fixing buckle 102 and the positioning locking nut 108 are all made of aluminum alloy, the locking spring 105 is made of a spring wire made of manganese steel, the adjusting stud 107 is made of stainless steel material, and the buffer gasket 109 is made of a POM gasket.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a well picture camera lens subassembly fixing device which characterized in that: the camera body front plate is provided with a hollowed window, the front wall surface of the camera body front plate is provided with at least one fixed buckle positioned at the edge side of the hollowed window, the camera body front plate is internally provided with a stroke accommodating cavity positioned at the edge side of the hollowed window, the front wall surface of the camera body front plate and a contour region positioned in the stroke accommodating cavity are provided with at least one limiting sliding opening communicated with the stroke accommodating cavity and distributed close to the hollowed window, the stroke accommodating cavity is internally provided with a movable substrate, the front wall surface of the movable substrate is provided with a movable buckle which passes through the limiting sliding opening, is exposed out of the front wall surface of the camera body front plate and is relatively distributed with the fixed buckle by taking the middle shaft interface of the hollowed window as a boundary, and the stroke accommodating cavity is also internally provided with at least one movable buckle which drives the movable buckle to close to the fixed buckle in the limiting sliding opening through the movable substrate A lock spring;
the fixed buckle and the movable buckle are respectively pressed on the front wall surface of the edge of the middle picture lens assembly so as to stack the middle picture lens assembly on the front wall surface of the front plate of the camera body and enable the middle picture lens assembly to be aligned with the hollow window.
2. The lens module fixing device for a medium frame camera of claim 1, wherein: the camera body comprises a camera body front plate, a camera body front plate and a locking spring, wherein a stroke containing groove is formed in the rear wall surface of the camera body front plate, a packaging cover plate for covering a notch of the stroke containing groove to form a stroke containing cavity is further arranged on the rear wall surface of the camera body front plate, and the locking spring is clamped between the groove wall of the stroke containing groove and the side wall of the movable substrate and is distributed along the length direction parallel to the limiting sliding opening.
3. The medium frame camera lens assembly fixture of claim 2, wherein: the device comprises a travel accommodating groove, at least one first spring groove corresponding to each locking spring one to one is formed in the groove surface of the travel accommodating groove, a second spring groove covering the first spring grooves is formed in the position, opposite to each first spring groove, of the front wall surface of the movable substrate, the locking springs are arranged in a space formed by the first spring grooves and the corresponding second spring grooves in a surrounding mode, one end of each locking spring is abutted against the groove wall of the corresponding first spring groove, and the other end of each locking spring is abutted against the groove wall of the corresponding second spring groove.
4. The medium frame camera lens assembly fixture of claim 3, wherein: the locking springs are at least two and are distributed in parallel along the width direction of the limiting sliding opening.
5. The lens module fixing device for a medium frame camera of claim 1, wherein: the movable buckles are at least two, and are distributed in parallel along the width direction of the limiting sliding opening.
6. The lens module fixing device for a medium frame camera of claim 1, wherein: the front wall surface of the front plate of the camera body is also provided with a reference groove surface distributed around the hollow window, and the contour edge of the middle picture lens assembly is lapped on the reference groove surface; the fixed buckle is positioned at the edge of the reference groove surface, and the tail end of the fixed buckle is arranged in front of the reference groove surface in a suspended mode.
7. The medium frame camera lens assembly fixture of any one of claims 1-6, wherein: it still includes a base plate positioning mechanism, at least one along the length direction distribution's that is on a parallel with spacing sliding opening regulation strip hole that has seted up in the profile region that just is located stroke holding chamber on the preceding wall of camera fuselage front bezel, base plate positioning mechanism includes one runs through in regulation strip hole distribution and rear end and the regulation double-screw bolt that the removal base plate links to each other and the one set connects on the preceding tip of regulation double-screw bolt and with the location lock nut that the preceding wall facial features of camera fuselage front bezel offseted.
8. The medium frame camera lens assembly fixture of claim 7, wherein: and the adjusting stud is also sleeved with a buffer gasket, and the buffer gasket is clamped between the positioning locking nut and the front wall surface of the front plate of the camera body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028101.8A CN107991830B (en) | 2018-01-11 | 2018-01-11 | Fixing device for lens assembly of medium-size camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028101.8A CN107991830B (en) | 2018-01-11 | 2018-01-11 | Fixing device for lens assembly of medium-size camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107991830A CN107991830A (en) | 2018-05-04 |
| CN107991830B true CN107991830B (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810028101.8A Expired - Fee Related CN107991830B (en) | 2018-01-11 | 2018-01-11 | Fixing device for lens assembly of medium-size camera |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4632763B2 (en) * | 2004-11-26 | 2011-02-16 | オリンパスイメージング株式会社 | Lens barrel |
| JP2007065017A (en) * | 2005-08-29 | 2007-03-15 | Fujinon Corp | Lens holding barrel |
| JP2008160228A (en) * | 2006-12-21 | 2008-07-10 | Hitachi Ltd | Video camera |
| JP5672957B2 (en) * | 2010-10-27 | 2015-02-18 | ソニー株式会社 | Imaging device and leaf spring |
| KR101717207B1 (en) * | 2015-01-19 | 2017-03-28 | 에이에이씨 어쿠스틱 테크놀로지스(심천)컴퍼니 리미티드 | Combined plate spring and camera lens module capable of optical image stabilization with the same |
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2018
- 2018-01-11 CN CN201810028101.8A patent/CN107991830B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN107991830A (en) | 2018-05-04 |
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Address after: NO.201 Dagang Road, No.2 Industrial Zone, jiazitang community, Fenghuang street, Guangming District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN BINGDELI TECHNOLOGY Co.,Ltd. Address before: 518000 area a, 4th floor, building 6, shangshijia third industrial zone, Shijia community, Matian street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BINGDELI TECHNOLOGY Co.,Ltd. |
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