CN207204164U - A kind of senior middle school's use for laboratory test tube rack - Google Patents
A kind of senior middle school's use for laboratory test tube rack Download PDFInfo
- Publication number
- CN207204164U CN207204164U CN201720872628.XU CN201720872628U CN207204164U CN 207204164 U CN207204164 U CN 207204164U CN 201720872628 U CN201720872628 U CN 201720872628U CN 207204164 U CN207204164 U CN 207204164U
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- Prior art keywords
- test tube
- fixedly connected
- casing
- gear
- tube clamp
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- Expired - Fee Related
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- 238000009533 lab test Methods 0.000 title claims abstract description 15
- 238000002474 experimental method Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a kind of senior middle school's use for laboratory test tube rack, including casing, casing both sides are connected with test tube clamp, and test tube clamp is fixedly connected with arc gear wheel, and arc gear wheel is connected with the first Knucle-gear, first Knucle-gear is connected with second bevel gear, second bevel gear engagement is connected with first bevel gear, and first bevel gear is socketed in outside rotating shaft, and rotating shaft both ends are fixedly connected with rotating bar, rotating bar otic placode is hinged, and otic placode is fixedly connected with parcel tray.The utility model passes through pull handle, realize that test tube clamp skids off out of casing, the test tube conveniently taken on test tube clamp, while test tube clamp skids off casing, parcel tray also skids off out of casing, and the alcolhol burner in parcel tray of conveniently taking carries out experiment shows, promotes handle to realize that test tube clamp and parcel tray slide into casing, realize that test tube and the apparatus such as alcolhol burner needed for experiment integrally carry, avoid because experiment appliance excessively caused by omit.
Description
Technical field
Chemistry teaching instrument technical field is the utility model is related to, specially a kind of senior middle school's use for laboratory test tube rack.
Background technology
In process of general chemistry teaching is carried out, test tube and alcolhol burner are often used, in general teaching, test tube and alcolhol burner
Often separated, in carrying process, not only need to carry the rack for test tube of holding test tubes, also to carry placement alcolhol burner
Device, if experiment is complicated, it is also necessary to carry extra experiment appliance, the carrying of numerous and diverse experiment appliance is got up very not
Just, in carrying process, often dropped because the thing carried is excessive, cause the broken of the apparatus such as test tube, and
Experiment appliance is excessive, the comparison of placement more difficult searching in a jumble, brings many inconvenience to experiment, reduces quality of instruction
And efficiency.
Utility model content
The purpose of this utility model is to provide a kind of senior middle school's use for laboratory test tube rack, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of senior middle school's use for laboratory test tube rack,
Including casing, the casing both sides are connected with test tube clamp by the first fixing axle, and the test tube clamp is upper and lower two
Block, and the first fixed both ends of the shaft extends through one jiao of upper and lower two pieces of test tube clamps and is fixedly connected on casing up and down on inwall, and
Two pieces of test tube clamp remaining triangles are fixedly connected by connecting shaft, fixed in the test tube clamp side wall above casing side to connect
The second block is connected to, arc gear wheel, the arc gear wheel are fixedly connected with the test tube clamp side wall of the side-lower of casing one
The first Knucle-gear is connected with, first Knucle-gear is connected with second bevel gear by circular shaft, and the circular shaft runs through first
Knucle-gear is rotatably connected on bottom half inwall, and the second bevel gear engagement is connected with first bevel gear, first cone
Gear is socketed in outside rotating shaft, and the rotating shaft is rotatably connected in the dead slot being opened on bottom plate around the second fixing axle, described
Bottom plate both sides are fixedly connected on the inwall of casing both sides, and second fixed both ends of the shaft is fixedly connected on the dead slot inwall,
The rotating shaft both ends are fixedly connected with rotating bar, and the rotating bar is hinged by fastener shaft and otic placode, fixed above the otic placode
Parcel tray is connected with, parcel tray upper surface side is fixedly connected with strut, and test tube clamp, the storage are socketed with the strut
Thing box upper surface opposite side is provided with cavity, and the cavity top is connected with slip lid, the slip lid lower surface one by slide
Side is fixedly connected with the first rack, and first rack, which is movably connected in, to be opened on cavity inner wall in deep trouth, and the first rack is nibbled
Conjunction has the second Knucle-gear, and on the cavity sidewalls, and the second Knucle-gear is double-layer gear for the second Knucle-gear rotation connection, and second
Knucle-gear is engaged with the second rack, and the second rack lower end is fixedly connected with the tray, and the pallet is movably connected in cavity,
And tray upper surface is placed with alcolhol burner, notch is provided among the casing upper surface, is connected in the notch by groove activity
Lid is connected to, the upper lid side wall both ends are fixedly connected with spring, and the spring other end is fixedly connected in pocket side wall, institute
State lid bottom side and be fixedly connected with the first block being engaged with the second block.
Preferably, the corresponding test tube putting hole in size, position, and the examination are provided with the upper and lower two pieces test tube clamps
Rubber washer is provided with pipe putting hole.
Preferably, handle, the underlying test tube are fixedly connected with the test tube clamp side wall above
Clamp bottom is fixedly connected with folding support rod.
Preferably, the radius of turn phase of the radius of the arc gear wheel and test tube clamp axle centered on the first fixing axle
Together.
Preferably, the parcel tray bottom is fixedly connected with folding rack.
Preferably, the plate upper surface is provided with the groove placed for rotating bar.
Preferably, the upper lid side wall both ends are provided with the limited block being adapted with the groove being opened in pocket side wall.
Preferably, the test tube clamp side wall is connected with box inside wall magnetic.
Compared with prior art, the beneficial effects of the utility model are：The utility model realizes test tube by pull handle
Clamp skids off out of casing, the test tube conveniently taken on test tube clamp, while test tube clamp skids off casing, parcel tray also from
Skidded off in casing, the alcolhol burner in parcel tray of conveniently taking carries out experiment shows, promotes handle to realize test tube clamp and parcel tray
Slide into casing, realize that test tube and the apparatus such as alcolhol burner needed for experiment integrally carry, avoid because experiment appliance excessively caused by omit.
Brief description of the drawings
Structural representation when Fig. 1 is expansion of the present utility model；
Structural representation when Fig. 2 is folding of the present utility model；
Fig. 3 is test tube clamp structure schematic diagram of the present utility model；
Elevational cross-sectional view when Fig. 4 is folding of the present utility model；
Fig. 5 is enlarged drawing at a in Fig. 4 of the present utility model；
Partial sectional view when Fig. 6 is folding of the present utility model；
Elevational cross-sectional view when Fig. 7 is expansion of the present utility model；
Fig. 8 is rotating bar of the present utility model and parcel tray connection diagram；
Fig. 9 is parcel tray partial sectional view of the present utility model；
Figure 10 is parcel tray vertical view cutaway drawing of the present utility model；
Figure 11 is slip lid of the present utility model and the first rack connection diagram；
Figure 12 is superstructure schematic diagram of the present utility model.
In figure：1st, casing, 101, notch, 2, upper lid, the 201, first block, 3, test tube clamp, 4, arc gear wheel, 5, connection
Axle, the 6, first fixing axle, the 7, second block, 8, handle, 9, parcel tray, 10, test tube clamp, 11, strut, 12, spring, 13, bottom plate,
14th, rotating shaft, the 15, second fixing axle, 16, first bevel gear, 17, second bevel gear, the 18, first Knucle-gear, 19, rotating bar, 20,
Fastener shaft, 21, otic placode, 22, slip lid, the 23, first rack, the 24, second Knucle-gear, the 25, second rack, 26, pallet, 27, alcohol
Lamp, 28, cavity, 281, deep trouth.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-12 are referred to, the utility model provides a kind of technical scheme：A kind of senior middle school's use for laboratory test tube rack, bag
Casing 1 is included, the both sides of casing 1 are connected with test tube clamp 3 by the first fixing axle 6, and the test tube clamp 3 is upper and lower
Two pieces, test tube clamp 3 is by test tube putting hole holding test tubes, and the both ends of the first fixing axle 6 extend through two pieces of test tube cards up and down
One jiao of plate 3 is fixedly connected on casing about 1 on inwall, and test tube clamp 3 rotates around the first fixing axle 6, and two pieces of test tube cards
Remaining triangle of plate 3 is fixedly connected by connecting shaft 5, and is fixedly connected with the side wall of test tube clamp 3 above the side of casing 1
Two blocks 7, are fixedly connected with arc gear wheel 4 in the side wall of test tube clamp 3 of the side-lower of casing 1 one, and the arc gear wheel 4 is lived
Dynamic to be connected with the first Knucle-gear 18, in the rotation process of test tube clamp 3, arc gear wheel 4 drives the first Knucle-gear 18 to rotate, described
First Knucle-gear 18 is connected with second bevel gear 17 by circular shaft, and the circular shaft is rotatably connected on casing through the first Knucle-gear 18
In 1 bottom interior wall, the engagement of second bevel gear 17 is connected with first bevel gear 16, and second bevel gear 17 drives first bevel gear
16 are rotated, and the first bevel gear 16 is socketed in outside rotating shaft 14, and first bevel gear 16 drives rotating shaft 14 to rotate, the rotating shaft 14
It is rotatably connected on around the second fixing axle 15 in the dead slot opened up on base 13, the both sides of bottom plate 13 are fixedly connected on casing
On 1 both sides inwall, the both ends of the second fixing axle 15 are fixedly connected on the dead slot inwall, and the both ends of rotating shaft 14, which are fixed, to be connected
Rotating bar 19 is connected to, rotating shaft 14 drives rotating bar 19 to rotate, and the rotating bar 19 is be hinged by fastener shaft 20 and otic placode 21, rotates
Bar 19 and otic placode 21 it is be hinged, can manually keep parcel tray 9 to be constantly in vertical state, the top of otic placode 21 is fixedly connected
There is parcel tray 9, the upper surface side of parcel tray 9 is fixedly connected with strut 11, test tube clamp 10, institute are socketed with the strut 11
State the upper surface opposite side of parcel tray 9 and be provided with cavity 28, the top of cavity 28 is connected with slip lid 22, the cunning by slide
The lower surface side of lid 22 is fixedly connected with the first rack 23, and slip lid 22 drives the first rack 23 to slide, and first rack 23 is lived
Dynamic be connected to is opened on the inwall of cavity 28 in deep trouth 281, and the first rack 23 is engaged with the second Knucle-gear 24, second knuckle-tooth
Wheel 24 is rotatably connected in the side wall of cavity 28, and the second Knucle-gear 24 is double-layer gear, and the first rack 23 drives wherein one layer the
Two Knucle-gears 24 rotate, and another the second Knucle-gear of layer 24 drives the second rack 25 to slide, and prevents the second rack 25 of vertical sliding motion
The first rack 23 slided with level is interfered, and the second Knucle-gear 24 is engaged with the second rack 25, the lower end of the second rack 25 with
Pallet 26 is fixedly connected, and the second rack 25 drives pallet 26 to slide, and realizes that alcolhol burner 27 skids off out of cavity 28, the pallet 26
It is movably connected in cavity 28, and the upper surface of pallet 26 is placed with alcolhol burner 27, and notch is provided among the upper surface of casing 1
101, the notch 101 is interior to be connected with upper lid 2 by groove, and the upper side wall both ends of lid 2 are fixedly connected with spring 12, institute
State the other end of spring 12 to be fixedly connected in the side wall of notch 101, the upper bottom side of lid 2 is fixedly connected with and the second block 7
The first block 201 being engaged, the second block 7 collide the first block 201, and lid 2 separates with notch 101 in realization, in spring 12
Under effect, upper lid 2 slides in notch 101 and exposes notch 101, realizes that parcel tray 9 skids off out of casing 1.
Specifically, the corresponding test tube putting hole in size, position is provided with the upper and lower two pieces test tube clamps 3, is realized
The placement of different size of test tube, and rubber washer is provided with the test tube putting hole, prevent test tube from placing hole wall with test tube and touching
Hit and crush.
Specifically, handle 8 is fixedly connected with the side wall of test tube clamp 3 above, it is underlying described
The bottom of test tube clamp 3 is fixedly connected with folding support rod, realizes that support of the test tube clamp 3 out of casing 1 after back-out with experimental bench is consolidated
It is fixed.
Specifically, the rotation half of the radius of the arc gear wheel 4 and the axle centered on the first fixing axle 6 of test tube clamp 3
Footpath is identical, realizes test tube clamp 3 in rotary course, and arc gear wheel 4 engages with the first Knucle-gear 18.
Specifically, the bottom of parcel tray 9 is fixedly connected with folding rack, realize parcel tray 9 screw out casing 1 after with case
The support of the upper surface of body 1 is fixed.
Specifically, the upper surface of bottom plate 13, the groove placed for rotating bar 19 is provided with the side wall of upper lid 2.
Specifically, the side wall of upper lid 2 is spacing provided with being adapted with the groove being opened in the side wall of notch 101
Block, the fixation of lid 2 and notch 101 in realization.
Specifically, the side wall of test tube clamp 3 is connected with the madial wall magnetic of casing 1, prevents transportation pilot scale pipe clamp
Plate 3 slides out of casing 1, causes test tube to crush.
Operation principle：During original state, test tube clamp 3, parcel tray 9 are respectively positioned in casing 1, in use, pulling case simultaneously
Handle 8 on the both sides test tube clamp 3 of body 1, the axle centered on the first fixing axle 6 of test tube clamp 3 is set to move in a circle and from casing 1
Inside skid off, open the folding support rod of the bottom of test tube clamp 3, test tube clamp 3 is fixedly connected with experimental bench, revolved in test tube clamp 3
During turning, the second block 7 collides with the first block 201, so that in the limited block on upper lid 2 and the side grooves of notch 101
Limited block depart from, lid 2 is separated with notch 101 in realizations, and in the case where the elastic force of spring 12 acts on, upper lid 2 is slided and made along notch 101
Notch 101 exposes, and after notch 101 exposes, upper lid 2 is fixedly connected by limited block with notch 101, meanwhile, in test tube clamp 3
Under drive, arc gear wheel 4 engages with the first Knucle-gear 18 and drives the first Knucle-gear 18 to rotate, so as to realize second bevel gear 17
First bevel gear 16 is driven to rotate, under the drive of first bevel gear 16, rotating shaft 14 drives rotating bar 19 to surround the second fixing axle 15
Rotate, so as to realize that rotating bar 19 drives parcel tray 9 to rise from the internal rotation of casing 1, when rotating bar 19 is connected in the upper side wall of lid 2
Groove in after, strut the folding rack of the bottom of parcel tray 9 and be fixed on the upper surface of casing 1, realize the fixation of parcel tray 9, when
When needing to heat test tube, test tube is removed from test tube clamp 3 and geometrical clamp is on test tube clamp 10, slides slip lid
22, under the drive of slip lid 22, the first rack 23 drives the second Knucle-gear 24 to rotate, and the second Knucle-gear 24 drives the second rack 25 to exist
Slided in cavity 28, so that the second rack 25 drives the alcolhol burner 27 on pallet 26 to be skidded off out of cavity 28, by using wine
Smart lamp 27 heats to test tube, carries out experiment displaying for student, parcel tray 9 supports in folding rack and rotating bar 19
Under, its height is higher, and what the convenient classmate during teaching experiment, being sitting in below can also will be apparent that sees experimental phenomena；
Terminate in use, respectively folding the folding rack of the folding support rod of the bottom of test tube clamp 3, the bottom of parcel tray 9
Come, promote handle 8, make in the precession casing 1 of test tube clamp 3, and be fixedly connected by magnetic material with the inwall of casing 1, prevent from transporting
Test tube clamp 3 slides out of casing 1 during defeated, causes test tube to crush, during the precession casing 1 of test tube clamp 3, arc
Gear 4 makes rotating shaft 14 drive rotating bar 19 to rotate, so that rotating bar 19 drives the rotation of parcel tray 9 to drop in casing 1, promotes
Upper lid 2, lid 2 is set to slide simultaneously extrusion spring 12 along the opposite direction of notch 101, until upper lid 2 is fixed by limited block and notch 101
Connection, by the handle being arranged on upper lid 2, realize that the transport of the present apparatus carries.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of senior middle school's use for laboratory test tube rack, including casing (1), it is characterised in that：Casing (1) both sides pass through
First fixing axle (6) is connected with test tube clamp (3), and the test tube clamp (3) is upper and lower two pieces, and the first fixing axle (6)
Both ends extend through one jiao of two pieces of test tube clamps (3) up and down and are fixedly connected on casing (1) up and down on inwall, and two pieces of test tube cards
Plate (3) remaining triangle is fixedly connected by connecting shaft (5), fixed in test tube clamp (3) side wall above casing (1) side
The second block (7) is connected with, arc gear wheel is fixedly connected with test tube clamp (3) side wall of the side-lower of casing (1) one
(4), the arc gear wheel (4) is connected with the first Knucle-gear (18), and first Knucle-gear (18) is connected with by circular shaft
Second bevel gear (17), the circular shaft are rotatably connected in casing (1) bottom interior wall through the first Knucle-gear (18), and described second
Bevel gear (17) engagement is connected with first bevel gear (16), and the first bevel gear (16) is socketed in rotating shaft (14) outside, described
Rotating shaft (14) is rotatably connected in the dead slot being opened on bottom plate (13) around the second fixing axle (15), bottom plate (13) both sides
It is fixedly connected on the inwall of casing (1) both sides, the second fixing axle (15) both ends are fixedly connected on the dead slot inwall, institute
State rotating shaft (14) both ends and be fixedly connected with rotating bar (19), the rotating bar (19) is cut with scissors by fastener shaft (20) and otic placode (21)
Connect, be fixedly connected with parcel tray (9) above the otic placode (21), parcel tray (9) the upper surface side is fixedly connected with strut
(11) test tube clamp (10), is socketed with the strut (11), parcel tray (9) upper surface opposite side is provided with cavity (28), institute
State and slip lid (22) is connected with by slide above cavity (28), slip lid (22) the lower surface side is fixedly connected with first
Rack (23), first rack (23), which is movably connected in, to be opened on cavity (28) inwall in deep trouth (281), the first rack
(23) the second Knucle-gear (24) is engaged with, second Knucle-gear (24) is rotatably connected in cavity (28) side wall, and the second circle
Gear (24) is double-layer gear, and the second Knucle-gear (24) is engaged with the second rack (25), the second rack (25) lower end and support
Disk (26) is fixedly connected, and the pallet (26) is movably connected in cavity (28), and pallet (26) upper surface is placed with alcolhol burner
(27) notch (101), is provided among casing (1) upper surface, the notch (101) is interior to be connected with upper lid by groove
(2), described upper lid (2) side wall both ends are fixedly connected with spring (12), and spring (12) other end is fixedly connected on notch
(101) in side wall, described upper lid (2) bottom side is fixedly connected with the first block (201) being engaged with the second block (7).
A kind of 2. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：Upper and lower two pieces of examinations
The corresponding test tube putting hole in size, position is provided with pipe clamp plate (3), and rubber washer is provided with the test tube putting hole.
A kind of 3. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：Above is described
Handle (8) is fixedly connected with test tube clamp (3) side wall, underlying test tube clamp (3) bottom is fixedly connected with folding
Folded strut.
A kind of 4. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：The arc gear wheel
(4) radius is identical with the radius of turn of test tube clamp (3) axle centered on the first fixing axle (6).
A kind of 5. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：The parcel tray (9)
Bottom is fixedly connected with folding rack.
A kind of 6. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：On the bottom plate (13)
Surface is provided with the groove placed for rotating bar (19).
A kind of 7. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：Described upper lid (2) side
Wall both ends are provided with the limited block being adapted with the groove being opened in notch (101) side wall.
A kind of 8. senior middle school's use for laboratory test tube rack according to claim 1, it is characterised in that：The test tube clamp
(3) side wall is connected with casing (1) madial wall magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872628.XU CN207204164U (en) | 2017-07-18 | 2017-07-18 | A kind of senior middle school's use for laboratory test tube rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872628.XU CN207204164U (en) | 2017-07-18 | 2017-07-18 | A kind of senior middle school's use for laboratory test tube rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207204164U true CN207204164U (en) | 2018-04-10 |
Family
ID=61813465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720872628.XU Expired - Fee Related CN207204164U (en) | 2017-07-18 | 2017-07-18 | A kind of senior middle school's use for laboratory test tube rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207204164U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638600A (en) * | 2019-09-26 | 2020-01-03 | 洪国琳 | Nursing tray capable of achieving layered disinfection based on gear transmission |
| CN113135210A (en) * | 2021-03-31 | 2021-07-20 | 自贡市第一人民医院 | Platform cart for disinfection supply center |
| CN114313578A (en) * | 2021-12-22 | 2022-04-12 | 中国人民解放军东部战区总医院 | Test tube storage box |
-
2017
- 2017-07-18 CN CN201720872628.XU patent/CN207204164U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110638600A (en) * | 2019-09-26 | 2020-01-03 | 洪国琳 | Nursing tray capable of achieving layered disinfection based on gear transmission |
| CN113135210A (en) * | 2021-03-31 | 2021-07-20 | 自贡市第一人民医院 | Platform cart for disinfection supply center |
| CN114313578A (en) * | 2021-12-22 | 2022-04-12 | 中国人民解放军东部战区总医院 | Test tube storage box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: 223800 Yiwu International Trade City, Suqian City, Jiangsu Province, C7-1015 Patentee after: Suqian Shengteng Decoration Co., Ltd. Address before: 323913 78, Zhao Zhuang village, Zhang Cun Township, Qingtian County, Lishui, Zhejiang Patentee before: Chen Manlin |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |