CN203544159U - Light-duty passenger car body structure - Google Patents
Light-duty passenger car body structure Download PDFInfo
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- CN203544159U CN203544159U CN201320364953.7U CN201320364953U CN203544159U CN 203544159 U CN203544159 U CN 203544159U CN 201320364953 U CN201320364953 U CN 201320364953U CN 203544159 U CN203544159 U CN 203544159U
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Abstract
The utility model relates to a light-duty passenger car body structure and belongs to the technical field of a passenger car body. The light-duty passenger car body structure comprises a front wall assembly, a back wall assembly, a left-right side wall assembly, a top cover assembly and a floor assembly, wherein the front wall assembly, the back wall assembly, the side wall assembly, the top cover assembly and the floor assembly are all made of aluminum profile; an integral enclosed frame structure is formed by a riveted enclosure between the floor assembly and the front wall assembly, the back wall assembly, the side wall assembly and the top cover assembly via connecting members; the front wall assembly and the back wall assembly are respectively connected to the front end and the back end of the left-right side wall assembly; and the top cover assembly and the floor assembly are respectively connected to the top end and the bottom part of the left-right side wall assembly. Each enclosed stress rings of the passenger body are connected and fastened via a hollow side air window upper beam to form an up-down enclosed stress ring and a front-back enclosed stress ring; a frame structure with effective complete car load transmission and separation is formed; and overall car body stress is even.
Description
Technical field
The utility model belongs to bus body technical field, relates generally to a kind of Lightweight coach body structure.
Background technology
In recent years, along with developing rapidly of auto-industry, worldwide energy problem, environmental protection problem become more and more outstanding.So alleviate automotive dead weight, reduction oil consumption and discharge amount of exhaust gas, become the key that Ge great car production manufacturer improves the competitiveness.The important channel that alleviates car mass makes automotive material lightweight exactly.
Current domestic traditional passenger vehicle is to adopt steel structure body framwork, by six large stretch of assemblies such as front wall assembly, back wall assembly, left/right side wall assembly, top cover assembly and chassis assemblies, through assembly welding, is formed, and the proportion that the weight of body framwork and outside plate accounts for complete vehicle weight is higher.And along with the raising of domestic Bus & Coach Design technical merit, Body Frame Optimum Design is commonplace, aspect vehicle body framework construction optimization, there is no larger loss of weight measure yet, in the urgent need to reach weight-saving object by equivalent material, and utilize aluminum alloy materials to replace steel, are important channels for automotive light weight technology.Therefore, provide that a kind of intensity is high, Stability Analysis of Structures, the full aluminium section bar coach body structure of weight-saving become a Bus Technology field difficult problem in the urgent need to address.
Utility model content
The utility model, in order to solve current traditional passenger vehicle car load from the technical matters such as great, welding deformation is large, production environment is severe, provides the Lightweight coach body structure that a kind of quality is light, welding pollutes, structural strength is stable, production efficiency is high.
The technical solution adopted in the utility model is: a kind of Lightweight coach body structure, it comprises front wall assembly, back wall assembly, left and right side wall assembly, top cover assembly and floor assembly, described front wall assembly, back wall assembly, side wall assembly, top cover assembly and floor assembly are aluminium section bar, described front wall assembly, back wall assembly, side wall assembly, between top cover assembly and floor assembly, by attaching parts, rivet and surround whole closed frame structure, described front wall assembly and back wall assembly are connected to side wall assembly front-end and back-end, left and right, described top cover assembly and floor assembly are connected to side wall assembly top, left and right and bottom.
Further preferred structure, described front wall assembly comprises left and right front wall pillar and front wall head piece, and described left and right front wall pillar is that integral type connects column, and the top of described left and right front wall pillar is connected with the two ends, left and right of front wall head piece respectively; Described front wall assembly also comprises Front Windshield entablatrance, Front Windshield tie-beam and the front windshield lower beam that is positioned at front wall head piece below; Described Front Windshield entablatrance, front windshield lower beam and Front Windshield tie-beam two ends are connected with left and right front wall pillar respectively; Between described Front Windshield entablatrance and front wall head piece, by being connected upright supports, connect, described front wall assembly is connected with side wall assembly by left and right front wall pillar.
Further preferred structure, described back wall assembly comprises left and right back wall pillar, back wall head piece, and described left and right back wall pillar is whole through beam, and the top of described left and right back wall pillar is connected with back wall head piece two ends respectively; Described back wall assembly also comprises air regulator column after the rear air regulator cross sill, left and right that is positioned at back wall head piece below, left and right rear door column and rear door entablatrance, two ends, described rear air regulator cross sill left and right are connected with left and right back wall pillar respectively, behind described left and right, the upper and lower two ends of air regulator column are connected with rear air regulator cross sill with head piece respectively, rear door column upper end, described left and right is connected with rear air regulator cross sill, and two ends, described rear door entablatrance left and right are connected with left and right rear door column respectively; Between described rear air regulator column and back wall pillar, be connected with connecting cross beam, between described rear air regulator cross sill and rear door entablatrance, by being connected upright supports, connect, between described rear door column and back wall pillar, be connected with some connecting cross beams; Described back wall assembly is connected with side wall assembly by left and right back wall pillar.
Further preferred structure, described side wall assembly is comprised of side wall frame and the covering that is overlying on side wall frame, described side wall frame comprises the side window pillar of some integral feed-through types, be laterally fixed on tie-beam and side-window underbeam on the side-window between each side window pillar, be positioned at the bottom skirt beam of side-window underbeam below, between described side-window underbeam and bottom skirt beam, be provided with skirt and enclose column, described side window pillar and skirt enclose the waist rail that is provided with horizontal fixed pedestal between column.
Further preferred structure, described side wall frame is provided with deep beam and the column beam that horizontal connection side window pillar and skirt enclose column at wheel cover place, front and back.
Further preferred structure, described top cover assembly is comprised of roof skeleton and the covering that is overlying on roof skeleton, and described roof skeleton includes left and right sides air regulator upper beam that the left and right sides connects, be connected on the some whole top cover connecting between left and right sides air regulator upper beam bent cross beams and be connected to the some segmentation longerons between bent cross beams on some top covers; Described roof skeleton is connected with rear wall frame with front wall frame by left and right sides air regulator upper beam, segmentation longeron foremost and the segmentation longeron of rearmost end, and described roof skeleton is connected with side wall frame by side-window upper beam.
Further preferred structure, described side-window upper beam is that section is the hollow profile of arc, described side-window upper beam inside is provided with reinforced rib.
Further preferred structure, described floor assembly comprises that front floor framework, middle floor frame, rear floor connect crossbeam and rear floor frame, the two ends, left and right that described rear floor connects crossbeam are connected with side wall frame.
Further preferred structure, the inner all crossbeams of described coach body structure and column are aluminium section bar, and the intersection of described crossbeam and column adopts attaching parts to be fixedly connected with by rivet.
Further preferred structure, described attaching parts is aluminum corner brace.
In the technical solution of the utility model, its vehicle body respectively seals between stressed ring and is connected and fixed by integral feed-through type side-window upper beam, stressed ring is sealed in formation up and down, stressed ring is sealed in front and back, form the framed structure that carload is effectively transmitted and decomposed, when have External Force Acting at vehicle body certain position time, load can decompose rapidly by the enclosed ring of car load each position of vehicle body, and bearing capacity is successively weakened, and reaches the whole stressed uniform technical purpose of vehicle body; Another feature of the technical program is that not only car load vehicle body is aluminium profile structure, and the connection between body framwork is fixed by rivet by aluminum corner brace attaching parts, thereby cancelled traditional body framwork welding connecting mode, avoided welding to pollute, workman only need be different according to vehicle body position, adopt " aluminum corner brace+rivet " can realize the assembled of whole body framwork, simple to operate, less demanding to workman's labour skill.In addition, lightweight due to aluminium section bar, not only can alleviate workman's labour intensity, and car load has, and lightweight, long service life, anti-inclination, torsion capacity are strong, fuel economy advantages of higher.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the main TV structure figure of front wall frame;
Fig. 3 is front wall frame side-looking constructional drawing;
Fig. 4 is the main TV structure figure of rear wall frame;
Fig. 5 is rear wall frame side-looking constructional drawing;
Fig. 6 is side wall frame side-looking constructional drawing;
Fig. 7 is roof skeleton axle side-looking constructional drawing;
Fig. 8 is side-window upper beam section drawing;
Fig. 9 is front floor framework structural representation;
Figure 10 is middle floor skeleton structure schematic diagram;
Figure 11 is that rear floor connects beam structure schematic diagram;
Figure 12 is rear floor frame structural representation;
Figure 13 is skeleton junction local structure enlarged drawing.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As shown in Figure 1, the utility model comprises front wall assembly, back wall assembly, left and right side wall assembly, top cover assembly and floor assembly, described front wall assembly, back wall assembly, side wall assembly, top cover assembly and floor assembly are aluminium section bar, between described front wall assembly, back wall assembly, side wall assembly, top cover assembly and floor assembly, by attaching parts, rivet and surround whole closed frame structure, described front wall assembly and back wall assembly are connected to side wall assembly front-end and back-end, left and right, and described top cover assembly and floor assembly are connected to side wall assembly top, left and right and bottom.
As shown in Figures 2 and 3, described front wall assembly comprises left and right front wall pillar 5 and front wall head piece 4, and described left and right front wall pillar 5 is integral type perforation column, and the top of described left and right front wall pillar 5 is connected with the two ends, left and right of front wall head piece 4 respectively; Described front wall assembly also comprises Front Windshield entablatrance 1, Front Windshield tie-beam 3 and the front windshield lower beam 2 that is positioned at front wall head piece 4 belows; Described Front Windshield entablatrance 1, front windshield lower beam 2 and Front Windshield tie-beam 3 two ends are connected with left and right front wall pillar 5 respectively; Between described Front Windshield entablatrance 1 and front wall head piece 4 by being connected column 6 support and connection, described front wall assembly is connected with side wall assembly by left and right front wall pillar 5, as shown in Figure 1, described connection column 6 positions are corresponding with segmentation longeron 27 positions foremost on roof skeleton.
As shown in Figure 4 and Figure 5, described back wall assembly comprises left and right back wall pillar 11, back wall head piece 8, and described left and right back wall pillar 11 is whole through beam, and the top of described left and right back wall pillar 11 is connected with back wall head piece 8 two ends respectively; Described back wall assembly also comprises air regulator column 10 after the rear air regulator cross sill 9, left and right that is positioned at back wall head piece 8 belows, left and right rear door column 15 and rear door entablatrance 13, described rear air regulator cross sill 9 two ends, left and right are connected with left and right back wall pillar 11 respectively, behind described left and right, air regulator column is connected with rear air regulator cross sill 9 with back wall head piece 8 respectively at two ends Shang Xia 10, rear door column 15 upper ends, described left and right are connected with rear air regulator cross sill 9, and described rear door entablatrance 13 two ends, left and right are connected with left and right rear door column 15 respectively; Between described rear air regulator column 10 and back wall pillar 11, be connected with connecting cross beam 12, between described rear air regulator cross sill 9 and rear door entablatrance 13, by being connected column 14 support and connection, between described rear door column 15 and back wall pillar 11, be connected with some connecting cross beams 16.Described back wall assembly is connected with side wall assembly by left and right back wall pillar 11.
As shown in Figure 6, described side wall assembly is comprised of side wall frame and the covering that is overlying on side wall frame, described side wall frame comprises the side window pillar 17 of some integral feed-through types, laterally be fixed on tie-beam 18 and side-window underbeam 19 on the side-window between each side window pillar 17, be positioned at the bottom skirt beam 20 of side-window underbeam 19 belows, between described side-window underbeam 19 and bottom skirt beam 20, be provided with skirt and enclose column 21, described side window pillar 17 and skirt enclose the waist rail 22 that is provided with horizontal fixed pedestal between column 21, side-window underbeam 19 and waist rail 22, bottom skirt beam 20 is mutually permanently connected and forms rectangle bearing frame structure, distribution of force is even, structural stability is good, the wheel opening part of left and right gusset can not seal, described side wall frame is provided with deep beam 23 and the column beam 24 formation load-carrying units that horizontal connection side window pillar 17 and skirt enclose column 21 at wheel cover place, front and back, load-carrying unit is gone forward with vehicle frame, and rear wheel cover skeleton is corresponding to be connected and fixed, and makes side wall assembly form integral rigidity framework.
As shown in Figure 7 and Figure 8, described top cover assembly is comprised of roof skeleton and the covering that is overlying on roof skeleton, and described roof skeleton includes left and right sides air regulator upper beam 25 that the left and right sides connects, be connected on the some whole top cover connecting between left and right sides air regulator upper beam 25 bent cross beams 26 and be connected to the some segmentation longerons between bent cross beams 26 on some top covers; Described roof skeleton is connected with rear wall frame with front wall frame by left and right sides air regulator upper beam 25, segmentation longeron 27 foremost and the segmentation longeron 28 of rearmost end, and described roof skeleton is connected with side wall frame by side-window upper beam 25.Described side-window upper beam 25 is that section is the hollow profile of arc, and described side-window upper beam inside is provided with reinforced rib 25.1, has not only avoided the bending distortion of the horizontal square tube of roof skeleton, has also improved body top section structural strength and torsional stiffness; Meanwhile, the outside face of described side-window upper beam 25 can be directly as vehicle body outside surface, thereby reduces the width of roof outer panel, makes it to be less than the maximum rolling fabric width of domestic aluminium alloy plate, realizes integral type roof outer panel, without piecemeal welding, reduces weld seam, avoids leaking.
As shown in Fig. 9-Figure 12, described floor assembly comprises that front floor framework 29, middle floor frame 30, rear floor connect crossbeam 32 and rear floor frame 31, and the two ends, left and right that described rear floor connects crossbeam 32 are connected with side wall frame.Described floor assembly is comprised of aluminium section bar square tube, described floor assembly is adopting attaching parts to be fixedly connected with by rivet with vehicle frame intersection, described attaching parts is aluminum corner brace 7, described floor assembly is all that straight beam does not have camber beam, manufacture craft is easy, production efficiency is high, rear floor connects crossbeam 31 and encloses with left and right sides window pillar 17, skirt that column 21 is corresponding to be fixedly connected with, and the floor assembly consisting of rectangular tube and vehicle frame form integral rigidity bearing frame jointly, be not easy to produce diamonding, distribution of force is even, and structural stability is good.
As shown in figure 13, described crossbeam and column are aluminium section bar, and the intersection of crossbeam and column adopts attaching parts to be fixedly connected with by rivet, and described attaching parts 7 is aluminum corner brace.
As shown in Figure 1, the front end of the longeron of segmentation foremost 27 of top cover assembly and the rear end of the front wall head piece 4 of front wall assembly are fixedly connected with; The rear end of rearmost end segmentation longeron 28 of top cover assembly and the front end of the back wall head piece 8 of back wall assembly are fixedly connected with; On the front end face of the back wall head piece 8 that side-window upper beam 25 front ends of top cover assembly are fixedly connected on the aft end face of front wall head piece 4 of front wall assembly, rear end is fixedly connected on back wall assembly; On side-window in side wall assembly, the front end of tie-beam 18, side-window underbeam 19, waist rail 22 and bottom skirt beam 20 is all fixed on the left and right front wall pillar 5 of front wall assembly; Side-window underbeam 19 in side wall assembly is fixedly connected with the left and right back wall pillar 11 in back wall assembly respectively with the rear end of bottom skirt beam 20; As shown in Fig. 6, Fig. 7, Figure 11, on top cover in top cover assembly bent cross beams 26 connect crossbeam 32 with rear floor in side window pillar 17 in side wall assembly, floor assembly and connecting cross beam position corresponding, as shown in Figure 1, by the through side-window upper beam 25 in top cover assembly, form the stressed ring of a plurality of fully enclosed cross-sectional structures; After making by the front wall assembly in described coach body structure, back wall assembly, left/right side wall assembly, top cover assembly and floor assembly burst, combination is fixing successively forms an integral frame-type aluminum alloy section bus body with enclosed ring, and its anti-inclination, twisting resistance are strong.
The content that this specification sheets is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (7)
1. a Lightweight coach body structure, it comprises front wall assembly, back wall assembly, left and right side wall assembly, top cover assembly and floor assembly, described front wall assembly, back wall assembly, side wall assembly, top cover assembly and floor assembly are aluminium section bar, it is characterized in that: described front wall assembly, back wall assembly, side wall assembly, between top cover assembly and floor assembly, by attaching parts, rivet and surround whole closed frame structure, described front wall assembly and back wall assembly are connected to side wall assembly front-end and back-end, left and right, described top cover assembly and floor assembly are connected to side wall assembly top, left and right and bottom, described back wall assembly comprises left and right back wall pillar, back wall head piece, and described left and right back wall pillar is whole through beam, and the top of described left and right back wall pillar is connected with back wall head piece two ends respectively,
Described back wall assembly also comprises air regulator column after the rear air regulator cross sill, left and right that is positioned at back wall head piece below, left and right rear door column and rear door entablatrance, two ends, described rear air regulator cross sill left and right are connected with left and right back wall pillar respectively, behind described left and right, the upper and lower two ends of air regulator column are connected with rear air regulator cross sill with head piece respectively, rear door column upper end, described left and right is connected with rear air regulator cross sill, and two ends, described rear door entablatrance left and right are connected with left and right rear door column respectively; Between described rear air regulator column and back wall pillar, be connected with connecting cross beam, between described rear air regulator cross sill and rear door entablatrance, by being connected upright supports, connect, between described rear door column and back wall pillar, be connected with some connecting cross beams; Described back wall assembly is connected with side wall assembly by left and right back wall pillar;
Described top cover assembly is comprised of roof skeleton and the covering that is overlying on roof skeleton, and described roof skeleton includes left and right sides air regulator upper beam that the left and right sides connects, be connected on the some whole top cover connecting between left and right sides air regulator upper beam bent cross beams and be connected to the some segmentation longerons between bent cross beams on some top covers; Described roof skeleton is connected with rear wall frame with front wall frame by left and right sides air regulator upper beam, segmentation longeron foremost and the segmentation longeron of rearmost end, and described roof skeleton is connected with side wall frame by side-window upper beam;
Described side-window upper beam is that section is the hollow profile of arc, and described side-window upper beam inside is provided with reinforced rib.
2. a kind of Lightweight coach body structure according to claim 1, it is characterized in that: described front wall assembly comprises left and right front wall pillar and front wall head piece, described left and right front wall pillar is that integral type connects column, and the top of described left and right front wall pillar is connected with the two ends, left and right of front wall head piece respectively; Described front wall assembly also comprises Front Windshield entablatrance, Front Windshield tie-beam and the front windshield lower beam that is positioned at front wall head piece below; Described Front Windshield entablatrance, front windshield lower beam and Front Windshield tie-beam two ends are connected with left and right front wall pillar respectively; Between described Front Windshield entablatrance and front wall head piece, by being connected upright supports, connect, described front wall assembly is connected with side wall assembly by left and right front wall pillar.
3. a kind of Lightweight coach body structure according to claim 1, it is characterized in that: described side wall assembly is comprised of side wall frame and the covering that is overlying on side wall frame, described side wall frame comprises the side window pillar of some integral feed-through types, be laterally fixed on tie-beam and side-window underbeam on the side-window between each side window pillar, be positioned at the bottom skirt beam of side-window underbeam below, between described side-window underbeam and bottom skirt beam, be provided with skirt and enclose column, described side window pillar and skirt enclose the waist rail that is provided with horizontal fixed pedestal between column.
4. a kind of Lightweight coach body structure according to claim 3, is characterized in that: described side wall frame is provided with deep beam and the column beam that horizontal connection side window pillar and skirt enclose column at wheel cover place, front and back.
5. a kind of Lightweight coach body structure according to claim 1, it is characterized in that: described floor assembly comprises that front floor framework, middle floor frame, rear floor connect crossbeam and rear floor frame, and the two ends, left and right that described rear floor connects crossbeam are connected with side wall frame.
6. a kind of Lightweight coach body structure according to claim 1, is characterized in that: the inner all crossbeams of described coach body structure and column are aluminium section bar, and the intersection of described crossbeam and column adopts attaching parts to be fixedly connected with by rivet.
7. a kind of Lightweight coach body structure according to claim 6, is characterized in that: described attaching parts is aluminum corner brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364953.7U CN203544159U (en) | 2013-06-24 | 2013-06-24 | Light-duty passenger car body structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320364953.7U CN203544159U (en) | 2013-06-24 | 2013-06-24 | Light-duty passenger car body structure |
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| CN203544159U true CN203544159U (en) | 2014-04-16 |
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| CN201320364953.7U Withdrawn - After Issue CN203544159U (en) | 2013-06-24 | 2013-06-24 | Light-duty passenger car body structure |
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| CN (1) | CN203544159U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287509A (en) * | 2013-06-24 | 2013-09-11 | 东风汽车公司 | Light-weight coach body structure |
| CN104787128A (en) * | 2015-04-09 | 2015-07-22 | 郑州宇通客车股份有限公司 | Passenger car body |
| CN104843087A (en) * | 2015-04-14 | 2015-08-19 | 西安西沃客车有限公司 | Light bus body and manufacturing body |
| CN105035173A (en) * | 2015-06-26 | 2015-11-11 | 龙岩市海德馨汽车有限公司 | Anti-riot carriage structure and manufacturing method |
| CN106428240A (en) * | 2016-11-15 | 2017-02-22 | 吉林大学 | Integral body structure of large highway bus with safety partition |
| CN108082290A (en) * | 2016-11-22 | 2018-05-29 | 现代自动车株式会社 | The side structure of car |
| CN108082302A (en) * | 2018-02-02 | 2018-05-29 | 厦门金龙联合汽车工业有限公司 | A kind of aluminum-steel hybrid top framework structure of car |
| CN109515522A (en) * | 2017-09-18 | 2019-03-26 | 郑州宇通客车股份有限公司 | Vehicle side wall loads module, side wall structure and the vehicle using the side wall structure |
| CN112092911A (en) * | 2020-09-30 | 2020-12-18 | 东风商用车有限公司 | Body-in-white lightweight structure |
-
2013
- 2013-06-24 CN CN201320364953.7U patent/CN203544159U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287509A (en) * | 2013-06-24 | 2013-09-11 | 东风汽车公司 | Light-weight coach body structure |
| CN104787128A (en) * | 2015-04-09 | 2015-07-22 | 郑州宇通客车股份有限公司 | Passenger car body |
| CN104843087A (en) * | 2015-04-14 | 2015-08-19 | 西安西沃客车有限公司 | Light bus body and manufacturing body |
| CN105035173A (en) * | 2015-06-26 | 2015-11-11 | 龙岩市海德馨汽车有限公司 | Anti-riot carriage structure and manufacturing method |
| CN105035173B (en) * | 2015-06-26 | 2017-09-26 | 龙岩市海德馨汽车有限公司 | A kind of manufacture method of anti-riot carriage body construction |
| CN106428240A (en) * | 2016-11-15 | 2017-02-22 | 吉林大学 | Integral body structure of large highway bus with safety partition |
| CN106428240B (en) * | 2016-11-15 | 2017-11-24 | 吉林大学 | The bearing-type large intercity bus body structure that a kind of band separates safely |
| CN108082290A (en) * | 2016-11-22 | 2018-05-29 | 现代自动车株式会社 | The side structure of car |
| CN109515522A (en) * | 2017-09-18 | 2019-03-26 | 郑州宇通客车股份有限公司 | Vehicle side wall loads module, side wall structure and the vehicle using the side wall structure |
| CN109515522B (en) * | 2017-09-18 | 2020-10-30 | 郑州宇通客车股份有限公司 | Vehicle side wall loading module, side wall structure and vehicle using side wall structure |
| CN108082302A (en) * | 2018-02-02 | 2018-05-29 | 厦门金龙联合汽车工业有限公司 | A kind of aluminum-steel hybrid top framework structure of car |
| CN112092911A (en) * | 2020-09-30 | 2020-12-18 | 东风商用车有限公司 | Body-in-white lightweight structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20160413 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |