CN209152513U - The structure of folding type aluminum alloy section combination furniture - Google Patents
The structure of folding type aluminum alloy section combination furniture Download PDFInfo
- Publication number
- CN209152513U CN209152513U CN201821694180.8U CN201821694180U CN209152513U CN 209152513 U CN209152513 U CN 209152513U CN 201821694180 U CN201821694180 U CN 201821694180U CN 209152513 U CN209152513 U CN 209152513U
- Authority
- CN
- China
- Prior art keywords
- frame
- side plate
- elbow
- cavity
- backboard
- 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
Landscapes
- Furniture Connections (AREA)
Abstract
The utility model is the structure of folding type aluminum alloy section combination furniture, including back plate frame, side plate frame, connecting column, broadening profile, desktop connection section bar, laminate connection section bar, desktop, laminate and screw, it is characterized in that: the semi-circular ring of the backboard munnion of the groove and back plate frame of the side plate munnion of the side plate frame is column articulated by connecting, the groove of the upper transverse frame of the back plate frame and the semi-circular ring of broadening profile are column articulated by connecting, the groove of the broadening profile and the semi-circular ring of desktop connection section bar are column articulated by connecting, the desktop connection section bar is connect by screw with desktop.The beneficial effect is that: side plate frame and back plate frame can vertical 90 degree foldings, desktop and back plate frame can lateral 90 degree fold, packaging volume is small, transportation cost is low.
Description
Technical field
The utility model belongs to the technical field of furniture, especially a kind of structure of folding type aluminum alloy section combination furniture
Technology.
Background technique
The aluminium alloy extrusions composite furniture of existing market sale is mainly box-type furniture, but its technology can be used for computer
The furniture such as the furniture like as table such as table, desk and dining table and supporter, showing stand.Generally filled out by aluminium alloy extrusions frame, frame
Plate, laminate and desktop is filled to be composed.But the disadvantage is that: because can not fold, packaging volume is caused to account for greatly, when not in use
Ground area is big, and volume is costly greatly when removal of home.
Utility model content
The purpose of this utility model is to provide a kind of side plate frame and back plate frame can vertical 90 degree fold, desktop
With back plate frame can it is lateral 90 degree folding, the folding type aluminum alloy section combination furniture that packaging volume is small, transportation cost is low
Structure.
To achieve the above object, the technical solution of the utility model is: folding type aluminum alloy section combination furniture
Structure, as shown in Fig. 1 and longitudinal sectional view 2 and transverse sectional view 3, including back plate frame, side plate frame, connecting column, broadening type
Material, desktop connection section bar, laminate connection section bar, desktop, laminate and screw.The back plate frame such as Fig. 4 and longitudinal direction are cutd open
Shown in view 5 and transverse sectional view 6, including elbow under elbow, backboard on upper transverse frame, lower transverse frame, support, backboard munnion, backboard
With backboard support elbow.The upper transverse frame is a cavity among it, for connecting elbow on backboard as shown in sectional view 7.
There is rectangular recess in cavity one end, for connection framework filling plate (in order to simplify figure, not drawing).Cavity have on one side one by
The articulated structure of the little groove of the string groove parallel with the center of circle and groove face composition, is hingedly tied for corresponding with broadening profile
Structure connection.The lower transverse frame is a cavity among it, for connecting elbow under backboard as shown in sectional view 8.Cavity one end
There is rectangular recess, fills plate for connection framework.Obvious, lower transverse frame is also possible to the structure as upper transverse frame.Described
Support is cavity among it as shown in sectional view 9, for connecting backboard support elbow.Respectively there is a rectangular recess at cavity both ends,
Plate is filled for connection framework.What cavity was made of a little groove by the string groove parallel with the center of circle and groove face on one side
Articulated structure, for being connected with the corresponding articulated structure of laminate connection section bar.The backboard munnion as shown in sectional view 10,
Centre is cavity, for connecting on backboard elbow under elbow and backboard.There is rectangular recess in cavity one end, fills for connection framework
Plate.The articulated structure that cavity is made of by one semi-circular groove of semi-circular ring, silicagel column and concentric on one side, is used for and side
The correspondence articulated structure of the side plate munnion of plate framework connects.Elbow is as shown in figure 11 on the backboard, is elbow master among it
Body, elbow main body are lateral step on one side, for connecting the cavity of upper transverse frame.Elbow bottom part body is vertical step, for connecting
Connect the cavity of backboard munnion.Elbow is as shown in figure 12 under the backboard, is elbow main body among it, and elbow main body is horizontal on one side
To step, for connecting the cavity of lower transverse frame.Elbow body top is vertical step, for connecting the cavity of backboard munnion.Institute
The backboard support elbow stated is as shown in figure 13, is elbow main body among it, and elbow main body is lateral step on one side, used in connecting
The cavity of support.Elbow body top and bottom are respectively vertical steps, for connecting the cavity of backboard munnion.The upper transverse frame,
Lower transverse frame, support and the rectangular arrangement of backboard munnion, the both ends of upper transverse frame pass through elbow on backboard with backboard munnion respectively and connect,
The both ends of lower transverse frame pass through elbow under backboard with backboard munnion respectively and connect.The both ends of support pass through backboard support elbow company respectively
Connect the section (obviously, support can also should not) of backboard munnion.
The side plate frame is as shown in Figure 14 and longitudinal sectional view 15 and transverse sectional view 16, including upper transverse frame, lower cross
Frame, support, side plate munnion, elbow and side plate support elbow under elbow, side plate on side plate.The upper transverse frame such as 7 institute of sectional view
Show, outlines.The lower transverse frame is outlined as shown in sectional view 8.The support is outlined as shown in sectional view 9.The side
Plate munnion is cavity among it as shown in sectional view 17, for elbow under elbow on connecting lateral plate and side plate.There is square in cavity one end
Connected in star fills plate for connection framework.Cavity have on one side one by the small recessed of the string groove parallel with the center of circle and groove face
The articulated structure of slot composition, for being connected with the corresponding articulated structure of backboard munnion.Elbow is as shown in figure 18 on the side plate,
It is elbow main body among it, elbow main body is lateral step on one side, for connecting the cavity of upper transverse frame.Elbow bottom part body is perpendicular
Cavity to step, for connecting lateral plate munnion.Elbow is as shown in figure 19 under the side plate, is elbow main body among it, curved
Head main body is lateral step on one side, for connecting the cavity of lower transverse frame.Elbow body top is vertical step, is used for connecting lateral plate
The cavity of munnion.The side plate support elbow is as shown in figure 20, is elbow main body among it, and elbow main body is lateral platform on one side
Rank, for connecting the cavity of support.Elbow body top and bottom are respectively vertical steps, the cavity for connecting lateral plate munnion.
Upper transverse frame, lower transverse frame, support and the rectangular arrangement of side plate munnion, the both ends of upper transverse frame and side plate munnion pass through side respectively
Elbow connects on plate, and the both ends of lower transverse frame pass through elbow under side plate with side plate munnion respectively and connect.The both ends of support pass through respectively
The section of side plate support elbow connection backboard munnion.
The connecting column is bar shaped cylindrical body.
The broadening profile is a cavity among it as shown in sectional view 21, for connecting plug or only playing
Structure function.The articulated structure that cavity is made of by one little groove of the string groove parallel with the center of circle and groove face on one side,
For being connected with the corresponding articulated structure of desktop connection section bar.Cavity another side have one by semi-circular ring, silicagel column and
The articulated structure of the semi-circular groove composition of concentric, for being connected with the corresponding articulated structure of upper transverse frame.
The desktop connection section bar as shown in sectional view 22, have on one side one by semi-circular ring, silicagel column and
The articulated structure of the semi-circular groove composition of concentric, for being connected with the corresponding articulated structure of the side plate munnion of side plate frame.Separately
It is connecting plate on one side, there is reinforcing rib on connecting plate, has through-hole that can connect by screw with desktop thereon.
The laminate connection section bar as shown in sectional view 23, have on one side one by semi-circular ring, silicagel column and same
The articulated structure of the semi-circular groove composition in the center of circle, for being connected with the corresponding articulated structure of support.Another side is connecting plate, is used for
It is connect with laminate.
Desktop, laminate and the screw is common components.It outlines.
Figure 24 is the folded state schematic diagram of folding type aluminum alloy section combination furniture.Side plate frame is with respect to back plate frame
Articulated structure folds 90 degree, and the groove of desktop broadening profile opposite with desktop connection section bar folds 90 degree.
The back plate frame, side plate frame, connecting column, broadening profile, desktop connection section bar, laminate connection section bar,
The connection of desktop, laminate and screw is as shown in Fig. 1 and longitudinal sectional view 2 and transverse sectional view 3, the side of the side plate frame
The semi-circular ring of the backboard munnion of the groove and back plate frame of plate munnion is column articulated by connecting.The upper cross of the back plate frame
The groove of frame and the semi-circular ring of broadening profile are column articulated by connecting.The groove and desktop board attachment-type of the broadening profile
The semi-circular ring of material is column articulated by connecting.The desktop connection section bar is connect by screw with desktop.The layer
Plate is connect with laminate connection section bar.
Obvious, a kind of technical solution of the above technical scheme more towards desk.Its lower transverse frame and upper transverse frame structure phase
Simultaneously, so that it may articulamentum board attachment-type material and laminate, and side plate munnion can connect cabinet door, to form box-type furniture.Together
When, the articulated form of back plate frame and side plate frame can be applied to the customized furniture of existing aluminium alloy, to reduce consumption terminal
Assembly working amount.Such a simple transformation should belong to the protection scope of the technical program.
After above scheme, the beneficial effects of the utility model are: side plate frame and back plate frame can be 90 degree vertical
Fold, desktop and back plate frame can lateral 90 degree fold, packaging volume is small, transportation cost is low.
Detailed description of the invention
Fig. 1 is the combined schematic diagram of the utility model.
Fig. 2 is the combined longitudinal sectional view of the utility model.
Fig. 3 is the combined transverse sectional view of the utility model.
Fig. 4 is the schematic diagram of the utility model back plate frame.
Fig. 5 is the longitudinal sectional view of the utility model back plate frame.
Fig. 6 is the transverse sectional view of the utility model back plate frame.
Fig. 7 is the schematic cross-section of the utility model upper transverse frame.
Fig. 8 is the schematic cross-section of the utility model lower transverse frame.
Fig. 9 is the schematic cross-section of the utility model support.
Figure 10 is the schematic cross-section of the utility model backboard munnion.
Figure 11 is the schematic diagram of elbow on the utility model backboard.
Figure 12 is the schematic diagram of elbow under the utility model backboard.
Figure 13 is the schematic diagram of the utility model backboard support elbow.
Figure 14 is the schematic diagram of the utility model side plate frame.
Figure 15 is the longitudinal sectional view of the utility model side plate frame.
Figure 16 is the transverse sectional view of the utility model side plate frame.
Figure 17 is the schematic cross-section of the utility model side plate munnion.
Figure 18 is the schematic diagram of elbow on the utility model side plate.
Figure 19 is the schematic diagram of elbow under the utility model side plate.
Figure 20 is the schematic diagram of the utility model side plate support elbow.
Figure 21 is the schematic cross-section of the broadening profile of the utility model.
Figure 22 is the schematic cross-section of the utility model desktop connection section bar.
Figure 23 is the schematic cross-section of the utility model laminate connection section bar.
Figure 24 is the folded state schematic diagram of folding type aluminum alloy section combination furniture.
Description of symbols:
10, back plate frame;11, upper transverse frame;111, cavity;112, rectangular recess;113, groove;114, little groove; 12,
Lower transverse frame;121, cavity;122, rectangular recess;13, support;131, cavity;132, rectangular recess;133, groove;134, small recessed
Slot;14, backboard munnion;141, cavity;142, rectangular recess;143, semi-circular ring;144, silicagel column;145, semi-circular groove;15,
Elbow on backboard;151, elbow main body;152, lateral step;153, vertical step;16, elbow under backboard;161, elbow master
Body;162, lateral step;163, vertical step;17, backboard support elbow;171, elbow main body;172, lateral step;173, it erects
To step;20, side plate frame;21, side plate munnion;211, cavity;212, rectangular recess;213, groove;214, little groove;22,
Elbow on side plate;221, elbow main body;222, lateral step;223, vertical step;23, elbow under side plate;231, elbow master
Body;232, lateral step;233, vertical step;24, side plate support elbow;241, elbow main body;242, lateral step;243, it erects
To step;30, connecting column;40, broadening profile;41, cavity;42, groove;43, little groove;44, semi-circular ring;45, silicagel column;
46, semi-circular groove;50, desktop connection section bar;51, semi-circular ring;52, silicagel column;53, semi-circular groove;54, connecting plate;55,
Reinforcing rib;60, laminate connection section bar;61, semi-circular ring;62, silicagel column;63, semi-circular groove;64, connecting plate;70, desktop
Plate;80, laminate;90, screw.
Specific embodiment
Embodiment:
The structure of folding type aluminum alloy section combination furniture, as shown in Fig. 1 and longitudinal sectional view 2 and transverse sectional view 3, packet
Include back plate frame 10, side plate frame 20, connecting column 30, broadening profile 40, desktop connection section bar 50, laminate connection section bar 60,
Desktop 70, laminate 80 and screw 90.The back plate frame 10 as shown in Fig. 4 and longitudinal sectional view 5 and transverse sectional view 6,
It is curved including elbow 16 under elbow 15, backboard on upper transverse frame 11, lower transverse frame 12, support 13, backboard munnion 14, backboard and backboard support
First 17.The upper transverse frame 11 is a cavity 111 among it as shown in sectional view 7.There is rectangular recess in 111 one end of cavity
112.The hinge that cavity 111 is made of by one little groove 114 of the string groove 113 parallel with the center of circle and 113 face of groove on one side
Binding structure.The lower transverse frame 12 is a cavity 121 among it as shown in sectional view 8.There is rectangular recess in 121 one end of cavity
122.The support 13 is cavity 131 among it as shown in sectional view 9.Respectively there is a rectangular recess 132 at 131 both ends of cavity.
The hinged knot that cavity 131 is made of by one little groove 134 of the string groove 133 parallel with the center of circle and 133 face of groove on one side
Structure.The backboard munnion 14 is cavity 141 among it as shown in sectional view 10.There is rectangular recess 142 in 141 one end of cavity.
The articulated structure that cavity is made of by one semi-circular groove 145 of semi-circular ring 143, silicagel column 144 and concentric on one side.Institute
Elbow 15 is elbow main body 151 among it, elbow main body 151 is lateral step 152 on one side as shown in figure 11 on the backboard stated.
151 bottom of elbow main body is vertical step 153.Elbow 16 is elbow main body among it as shown in figure 12 under the backboard
161, elbow main body 161 is lateral step 162 on one side.161 top of elbow main body is vertical step 163.The backboard support
Elbow 17 is elbow main body 171 among it, elbow main body 171 is lateral step 172 on one side as shown in figure 13.Elbow main body
171 tops and bottom are respectively vertical steps 173.The upper transverse frame 11, lower transverse frame 12, support 13 and backboard munnion 14 are rectangular
Arrangement, the both ends of upper transverse frame 11 and backboard munnion 14 are connected by elbow 15 on backboard respectively, the both ends of lower transverse frame 12 and backboard
Munnion 14 is connected by elbow 16 under backboard respectively.The both ends of support 13 pass through backboard support elbow 17 respectively and connect backboard munnion
14 section.
The side plate frame 20 as shown in Figure 14 and longitudinal sectional view 15 and transverse sectional view 16, including upper transverse frame 11,
Lower transverse frame 12, support 13, side plate munnion 21, elbow 23 and side plate support elbow 24 under elbow 22, side plate on side plate.Described is upper
Horizontal frame 11 is outlined as shown in sectional view 7.The lower transverse frame 12 is outlined as shown in sectional view 8.The support 13 such as section
Shown in Fig. 9, outline.The side plate munnion 21 is cavity 211 among it as shown in sectional view 17.There is rectangle in 211 one end of cavity
Groove 212.Cavity 211 is made of a little groove 214 by the string groove 213 parallel with the center of circle and 213 face of groove on one side
Articulated structure.Elbow 22 is elbow main body 221 among it, elbow main body 221 is on one side as shown in figure 18 on the side plate
It is lateral step 222.221 bottom of elbow main body is vertical step 223.Elbow 23 is as shown in figure 19 under the side plate, wherein
Between be elbow main body 231, elbow main body 231 is lateral step 232 on one side.231 top of elbow main body is vertical step 233.Institute
The side plate support elbow 24 stated is elbow main body 241 among it, elbow main body 241 is lateral step on one side as shown in figure 20
242.241 top of elbow main body and bottom are respectively vertical steps 243.Upper transverse frame 11, lower transverse frame 12, support 13 and the side plate
The rectangular arrangement of munnion 21, the both ends of upper transverse frame 11 and side plate munnion 21 are connected by elbow 22 on side plate respectively, lower transverse frame 12
Both ends and side plate munnion 21 connected respectively by elbow 23 under side plate.The both ends of support 13 pass through side plate support elbow 24 respectively
Connect the section of backboard munnion 21.
The connecting column 30 is bar shaped cylindrical body.
The broadening profile 40 is a cavity 41 among it as shown in sectional view 21.Cavity 41 have on one side one by
The articulated structure of the little groove 43 of the string groove 42 parallel with the center of circle and 42 face of groove composition.41 another side of cavity have one by
The articulated structure that the semi-circular groove 46 of semi-circular ring 44, silicagel column 45 and concentric forms.
The desktop connection section bar 50 as shown in sectional view 22, have on one side one by semi-circular ring 51, silicagel column
52 and concentric semi-circular groove 53 form articulated structure.Another side is connecting plate 54, has reinforcing rib on connecting plate 54
55。
The laminate connection section bar 60 as shown in sectional view 23, have on one side one by semi-circular ring 61, silicagel column 62
And the articulated structure that the semi-circular groove 63 of concentric forms.Another side is connecting plate 64.
Desktop 70, laminate 80 and the screw 90 is common components.It outlines.
Figure 24 is the folded state schematic diagram of folding type aluminum alloy section combination furniture.Side plate frame 20 is with respect to back plate frame
10 articulated structure folds 90 degree, the folding of groove 42 90 of desktop 70 and the relatively broadening profile 40 of desktop connection section bar 50
Degree.
The back plate frame 10, side plate frame 20, connecting column 30, broadening profile 40, desktop connection section bar 50, laminate
Connection section bar 60, desktop 70, laminate 80 and screw 90 connection as shown in Fig. 1 and longitudinal sectional view 2 and transverse sectional view 3,
The semi-circular ring 143 of the backboard munnion 14 of the groove 213 and back plate frame 10 of the side plate munnion 21 of the side plate frame 20 is logical
It is hinged to cross connecting column 30.The semi-circular ring 44 of the groove 113 of the upper transverse frame 11 of the back plate frame 10 and broadening profile 40 is logical
It is hinged to cross connecting column 30.The groove 42 of the broadening profile 40 passes through with the semi-circular ring 1 of desktop connection section bar 50 to be connect
Column 30 is hinged.The desktop connection section bar 50 is connect by screw 90 with desktop 70.The laminate 80 and laminate connects
Direct type material 60 connects.
Claims (8)
1. the structure of folding type aluminum alloy section combination furniture, including back plate frame, side plate frame, connecting column, broadening profile, table
Connecting section bar of panel, laminate connection section bar, desktop, laminate and screw, it is characterized in that: the side plate munnion of the side plate frame
Groove and back plate frame backboard munnion semi-circular ring by connect it is column articulated, the upper transverse frame of the back plate frame it is recessed
The semi-circular ring of slot and broadening profile is column articulated by connecting, the groove of the broadening profile and the half of desktop connection section bar
Torus is connect by screw with desktop by connecting column articulated, described desktop connection section bar.
2. the structure of folding type aluminum alloy section combination furniture according to claim 1, it is characterized in that: the backboard frame
Frame includes upper transverse frame, lower transverse frame, backboard munnion, elbow, the upper transverse frame, lower transverse frame and backboard under elbow, backboard on backboard
The rectangular arrangement of munnion, the both ends of upper transverse frame pass through elbow on backboard with backboard munnion respectively and connect, the both ends of lower transverse frame and back
Plate munnion passes through elbow under backboard respectively and connects.
3. the structure of folding type aluminum alloy section combination furniture according to claim 1, it is characterized in that: the side plate frame
Frame includes upper transverse frame, lower transverse frame, support, side plate munnion, elbow and side plate support elbow under elbow, side plate on side plate, described
Upper transverse frame, lower transverse frame and the rectangular arrangement of side plate munnion, the both ends of upper transverse frame and side plate munnion pass through elbow on side plate respectively and connect
It connects, the both ends of lower transverse frame pass through elbow under side plate with side plate munnion respectively and connect.
4. the structure of folding type aluminum alloy section combination furniture according to claim 1, it is characterized in that: the broadening type
It is a cavity, the hinge that cavity is made of by one little groove of the string groove parallel with the center of circle and groove face on one side among material
Binding structure, the articulated structure that cavity another side is made of by one semi-circular groove of semi-circular ring, silicagel column and concentric.
5. the structure of folding type aluminum alloy section combination furniture according to claim 1, it is characterized in that: the desktop
The articulated structure that connection section bar is made of by one semi-circular groove of semi-circular ring, silicagel column and concentric on one side, another side
It is connecting plate.
6. the structure of folding type aluminum alloy section combination furniture according to claim 2, it is characterized in that: the upper transverse frame
Centre is a cavity, and there is a rectangular recess in cavity one end, cavity have on one side one by the string groove parallel with the center of circle and groove just
Pair little groove composition articulated structure.
7. the structure of folding type aluminum alloy section combination furniture according to claim 2, it is characterized in that: the backboard is perpendicular
Cavity among frame, there is a rectangular recess in cavity one end, cavity have on one side one by the half of semi-circular ring, silicagel column and concentric
The articulated structure of circular trough composition.
8. the structure of folding type aluminum alloy section combination furniture according to claim 3, it is characterized in that: the side plate is perpendicular
Cavity among frame, there is a rectangular recess in cavity one end, cavity have on one side one by the string groove parallel with the center of circle and groove face
Little groove composition articulated structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821694180.8U CN209152513U (en) | 2018-10-11 | 2018-10-11 | The structure of folding type aluminum alloy section combination furniture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821694180.8U CN209152513U (en) | 2018-10-11 | 2018-10-11 | The structure of folding type aluminum alloy section combination furniture |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209152513U true CN209152513U (en) | 2019-07-26 |
Family
ID=67334198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821694180.8U Active CN209152513U (en) | 2018-10-11 | 2018-10-11 | The structure of folding type aluminum alloy section combination furniture |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209152513U (en) |
-
2018
- 2018-10-11 CN CN201821694180.8U patent/CN209152513U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205214598U (en) | Adjustable embedded multi -purpose wall table | |
CN201557736U (en) | Telescopic folding table | |
CN209073710U (en) | A kind of outdoor folding table that stability is high | |
CN209152513U (en) | The structure of folding type aluminum alloy section combination furniture | |
CN209058723U (en) | A kind of clothes hanger of folding storage | |
CN202723214U (en) | Folding chair | |
CN104873021A (en) | Folding chair | |
CN204169331U (en) | A kind of folding double desk | |
CN204734179U (en) | Folding chair | |
CN206252074U (en) | A kind of high-grade hotel's Multifunctional bar counter uses structure | |
CN208216559U (en) | A kind of Vehicular multifunctional folding storage tank table | |
CN2623087Y (en) | Folding rack with four vertical supporting columns | |
CN205432676U (en) | Dual -purpose office table | |
CN207220475U (en) | A kind of four fold desktop | |
CN205053262U (en) | Chevron shape folding easel | |
CN201131459Y (en) | A desk capable of folding into box | |
CN201079137Y (en) | Folding type picnic dining-table | |
CN215347585U (en) | Folding dining car | |
CN207075752U (en) | A kind of composite furniture structure | |
CN201948311U (en) | Foldable computer desk | |
CN201542010U (en) | Foldable and retractable desk | |
CN201734144U (en) | Movable table capable of saving space | |
CN201319958Y (en) | Combined-tabletop dinner table | |
CN201640941U (en) | Foldable desk frame | |
CN201929300U (en) | Movable desk capable of saving space |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |