CN108421674A - A kind of mailbox device - Google Patents
A kind of mailbox device Download PDFInfo
- Publication number
- CN108421674A CN108421674A CN201810244989.9A CN201810244989A CN108421674A CN 108421674 A CN108421674 A CN 108421674A CN 201810244989 A CN201810244989 A CN 201810244989A CN 108421674 A CN108421674 A CN 108421674A
- Authority
- CN
- China
- Prior art keywords
- turn
- around chamber
- face
- steering shaft
- cabinet
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
- B05C1/022—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles to the outer surface of hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
Abstract
The invention discloses a kind of mailbox devices,Including unwheeling and the cabinet being set to above the unwheeling,Oral area is equipped in the cabinet left end face towards the first left turn-around chamber,The first steering shaft is rotatably installed in end wall before and after first turn-around chamber,The steering cylinder that left side semicircle stretches out outside cabinet left end face is installed in first steering shaft,The first turn-around chamber inner bottom wall unicom is provided with storage slot,It is equipped in the cabinet on the right side of first turn-around chamber and stirs device,The device that stirs includes setting and the second turn-around chamber on the right side of first turn-around chamber,Second turn-around chamber stretches up and down is provided with the second steering shaft,Second steering shaft upper end is rotatably in installation and the second turn-around chamber inner roof wall,Second steering shaft lower end is connect with the motor power being fixedly installed in the second turn-around chamber inner bottom wall.
Description
Technical field
The present invention relates to mailbox processing technique field, specifically a kind of mailbox device.
Background technology
Smearing corrosion-resistant coating is often carried out to mailbox surface during some large-scale mailbox processings to have increased
Service life typically relies on manpower manual to operate for this operation in tradition, and labor intensity is big and working efficiency
Bottom, while can cause serious injury after this corrosion-resistant coating human epidermal Long Term Contact, there are larger security risks.
Invention content
Technical problem to be solved by the invention is to provide a kind of mailbox devices, can solve above-mentioned present technology
The problems in.
The present invention is achieved through the following technical solutions：The present invention a kind of mailbox device, including unwheeling with
And it is set to the cabinet above the unwheeling, the unwheeling right end face is equipped with fixed link, is hingedly equipped in the fixed link
The inserted link of elongation setting upwards, is equipped with oxycephaly at the top of the inserted link, equipped with oral area towards left the in the cabinet left end face
One turn-around chamber, is rotatably equipped with the first steering shaft before and after first turn-around chamber in end wall, solid in first steering shaft
Dingan County stretches out the steering cylinder outside cabinet left end face equipped with left side semicircle, and the first turn-around chamber inner bottom wall unicom is provided with storage
Slot is equipped in the cabinet on the right side of first turn-around chamber and stirs device, and the device that stirs includes setting and described first
The second turn-around chamber on the right side of turn-around chamber, second turn-around chamber stretches up and down is provided with the second steering shaft, and described second turns to
Rotatably installation second steering shaft lower end and is fixedly installed on described with the second turn-around chamber inner roof wall for axis upper end
Motor power connection in second turn-around chamber inner bottom wall, the motor outside, which is equipped with, holds protecting assembly, and the protecting assembly that holds includes subtracting
Shake plate and metal and drop backing, be fixed in second steering shaft in second turn-around chamber it is multigroup stir arm, described the
Mutual unicom is provided with siphunculus between on the left of two turn-around chamber bottom walls and on the right side of the storage groove bottom wall, the siphunculus positioned at institute
It states the second turn-around chamber bottom wall junction and valve is installed, lock uint is equipped in the cabinet above first turn-around chamber,
The lock uint includes the cunning for being set on the left of the first turn-around chamber inner roof wall and oral area towards first turn-around chamber
Access slot and unicom are set to above the sliding slot and stretch out the screw hole outside the enclosure top end face, are slided in the sliding slot
It connects and sliding arm is installed, the sliding arm bottom is put in first turn-around chamber and bottom tail end is installed with and described turn
To the matched friction plate of cylinder, in the screw hole cooperation be equipped with up and down stretching, extension setting stud, the stud bottom end face with
The sliding arm top end surface offsets, and the upward stretch section of stud stretches out outside the enclosure top end face and top tail end is fixed
Equipped with steering ring
Further technical solution is correspondingly provided with guide groove in the sliding slot left hand end wall, slips installation in the guide groove
There is the guide pad being fixedly connected with the sliding arm, it is described to be oriented to the spring for being equipped in groove bottom wall and offseting with the guide pad.
Further technical solution, the steering cylinder outer surface, which is equipped with, is arranged with painting
Further technical solution, the storage slot right side inner wall top are fixed with the mechanorecepter connect with the valve electricity.
Further technical solution, stretching, extension is provided with leading to outside unicom upwards in the second turn-around chamber inner roof wall left side
Chamber, the enclosure top end face above the cavity are fixed with the cone bucket with the cavity unicom.
Further technical solution, the unwheeling top end surface is interior to be equipped with hydraulic stem, the hydraulic rod top of the hydraulic stem
End face is fixedly connected with the chassis bottom end face.
Further technical solution, the shock dropping composite plate be arranged the top and bottom of the motor and with the motor
It is fixedly connected, the cooling iron plate is arranged in the front-end and back-end of the motor and is fixedly connected with the shell of the motor, institute
The top and bottom for stating cooling iron plate are fixedly connected with the shock dropping composite plate, and the front-end and back-end of the motor are respectively equipped with
The a piece of above cooling iron plate.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, using simplicity, by being equipped with oral area in cabinet left end face
Towards the first left turn-around chamber, the first steering shaft is rotatably installed before and after the first turn-around chamber in end wall, is consolidated in the first steering shaft
Dingan County stretches out the steering cylinder outside cabinet left end face equipped with left side semicircle, and the first turn-around chamber inner bottom wall unicom is provided with storage slot,
It is equipped in cabinet on the right side of first turn-around chamber and stirs device, it includes setting and second turn on the right side of the first turn-around chamber to stir device
To chamber, the second turn-around chamber stretches up and down is provided with the second steering shaft, and rotatably installation is turned to second for the second steering shaft upper end
In intracavitary roof, the second steering shaft lower end is connect with the motor power being fixedly installed in the second turn-around chamber inner bottom wall, second turn
Be fixed in the second steering shaft into chamber it is multigroup stir arm, on the left of the second turn-around chamber bottom wall and on the right side of storage groove bottom wall between
Mutual unicom is provided with siphunculus, and siphunculus is being equipped with valve, the first turn-around chamber top positioned at the second turn-around chamber bottom wall junction
Cabinet in be equipped with lock uint, lock uint includes being set on the left of the first turn-around chamber inner roof wall and oral area towards first turn
The screw hole outside enclosure top end face is set to above sliding slot and stretched out to the sliding slot and unicom of chamber, is slipped and is slipped peace in slot
Equipped with sliding arm, sliding arm bottom is put in the first turn-around chamber and bottom tail end is installed with and turns to the matched friction of cylinder
Piece, in screw hole cooperation the stud of stretching, extension setting up and down is installed, stud bottom end face offsets with sliding arm top end surface, stud to
Upper stretch section stretches out outside enclosure top end face and top tail end is fixed with steering ring, to be greatly improved working efficiency, subtracts
Few labor intensity, while there is lock function, it can prevent from turning to cylinder unintentional rotation, be moved easily transport.
Description of the drawings
The present invention is described in detail by following specific embodiment and attached drawing for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of mailbox device of the present invention.
Fig. 2 is the internal structure schematic diagram of cabinet in Fig. 1.
Fig. 3 is structural schematic diagram at inserted link position in the present invention.
Specific implementation mode
As shown in Figs. 1-3, a kind of mailbox device of the invention, including unwheeling 10 and be set in the unwheeling 10
The cabinet 40 of side, 10 right end face of the unwheeling are equipped with fixed link 101, upward elongation are hingedly equipped in the fixed link 101
The inserted link 102 of setting, 102 top of the inserted link are equipped with oxycephaly 103, can be made when roller coating operates by the oxycephaly 103
The oxycephaly 103 offsets with ground, and the unwheeling 10 under opposing force is thus prevented to move to right the generation of phenomenon, the machine
Equipped with oral area towards the first left turn-around chamber 41 in 40 left end face of case, rotatably pacify in end wall before and after first turn-around chamber 41
Equipped with the first steering shaft 42, turn that left side semicircle stretches out outside 40 left end face of cabinet is installed in first steering shaft 42
To cylinder 43, first turn-around chamber, 41 inner bottom wall unicom is provided with storage slot 45, the machine on first turn-around chamber, 41 right side
It is equipped in case 40 and stirs device, it is described to stir the second turn-around chamber that device includes setting and first turn-around chamber, 41 right side
46, the stretching, extension of about 46 second turn-around chamber is provided with the second steering shaft 47, and 47 upper end of the second steering shaft is rotatably pacified
Dress 47 lower end of the second steering shaft and is fixedly installed on second turn-around chamber 46 with 46 inner roof wall of the second turn-around chamber
48 be connected by power of motor in inner bottom wall, 48 outside of the motor, which is equipped with, holds protecting assembly, and the protecting assembly that holds includes vibration damper plate 481
Backing 482 is dropped with metal, is fixed in second steering shaft 47 in second turn-around chamber 46 and multigroup stirs arm 49, institute
Mutually unicom is provided with siphunculus 50, the siphunculus between stating on the left of 46 bottom wall of the second turn-around chamber and on the right side of 45 bottom wall of storage slot
50 are being equipped with valve 51, the machine of first turn-around chamber, 41 top positioned at second turn-around chamber, 46 bottom wall junction
Lock uint is equipped in case 40, the lock uint includes being set on the left of 41 inner roof wall of the first turn-around chamber and oral area court
It is set to above sliding slot from the sliding slot to first turn-around chamber 41 and unicom and stretches out 40 top end of cabinet
Screw hole outside face slips in the sliding slot and is equipped with sliding arm 55, and 55 bottom of sliding arm puts in first turn-around chamber
In 41 and bottom tail end be installed with the 43 matched friction plate 56 of steering cylinder, coordinate in the screw hole and be equipped with
The stud 60 of lower stretching, extension setting, 60 bottom end face of the stud offsets with 55 top end surface of sliding arm, the stud 60 to
Upper stretch section stretches out outside 40 top end surface of cabinet and top tail end is fixed with steering ring 61.
Valuably, it is correspondingly provided with guide groove 57 in the sliding slot left hand end wall, slips and be equipped with and institute in the guide groove 57
The guide pad 58 that sliding arm 55 is fixedly connected is stated, the spring to offset with the guide pad 58 is equipped in 57 bottom wall of the guide groove
59, the spring 59 is used for 55 upward top pressure of the sliding arm, and the friction plate 56 is made not contacted with the steering cylinder 43.
Valuably, 43 outer surface of steering cylinder is equipped with and is arranged with painting 44.
Valuably, the mechanorecepter 46 connect with 51 electricity of the valve, the sense are fixed with above 45 right side inner wall of the storage slot
Tentaculum 46 is for incuding 45 liquid level position of storage slot, so as to be less than and the mechanorecepter 46 in 45 liquid level of storage slot
The automatic opening of the valve 51 is controlled when contacting lower limit, to can ensure that it is same that the liquid level in the storage slot 45 remains at
Horizontal plane can be such that the painting 44 stablizes and smear.
Valuably, stretching, extension is provided with the cavity 52 outside unicom upwards on the left of 46 inner roof wall of the second turn-around chamber, described
40 top end surface of the cabinet of 52 top of cavity is fixed with the cone bucket 53 with 52 unicom of the cavity, to facilitate charging to grasp
Make.
Valuably, hydraulic stem 20,30 top end of hydraulic stem of the hydraulic stem 20 are equipped in 10 top end surface of the unwheeling
Face is fixedly connected with 40 bottom end face of the cabinet, to realize that automatic lifting operates.
Valuably, the shock dropping composite plate 481 is arranged in the top and bottom of the motor 48 and consolidates with the motor 48
Fixed connection, the cooling iron plate 482 are arranged in the front-end and back-end of the motor 48 and fix company with the shell of the motor 48
It connects, the top and bottom of the cooling iron plate 482 are fixedly connected with the shock dropping composite plate 481, the front end of the motor 48
It is respectively equipped with a piece of above cooling iron plate 482 with rear end, the cooling iron plate 482 is absorbing and distribute the motor
The heat generated when 48 operation, the shock dropping composite plate 481 are prevented to reduce the shaking force that the motor 48 generates at runtime
Only shaking force is excessive and influence the normal operation of the present apparatus.
When original state, 55 top end surface of sliding arm described under the action of the spring 59 and the sliding groove top
Wall offsets, and the friction plate 56 is with the steering cylinder 43 not in contact with thus the steering cylinder 43 is allowed to rotate.
In use, coating is added by the cone bucket 53 in second turn-around chamber 46 first, then start the horse
Second steering shaft 47 is driven up to 48 and stirs the rotation of arm 49 and coating is stirred, and the valve is opened after the completion of stirring
Door 51, makes the liquid coating after stirring pour into the storage slot 45, when the liquid level of liquid coating and institute in the storage slot 45
The control valve 51 is closed after stating after mechanorecepter 46 contacts, and then pushes the unwheeling 10, makes the painting 44 and mailbox table
Face offsets, and the operation of the hydraulic stem 20 is then controlled, to drive the cabinet 40 to move up and down, so as to make the steering cylinder
The 43 relatively described mailbox relatively rotate, since the 43 outer circle of steering cylinder is put in the storage slot 45, thus can be
Coating can be uniformly applied in the painting 44 by the steering cylinder 43 while rotation, so as to be applied to mailbox surface
It smears.
After the completion of use, controls the hydraulic stem 20 and the cabinet 40 is driven to drop to most to point, it then can be by manual
Twist the steering ring 61, the steering ring 61 can drive the rotation of the stud 60 to by 55 downward top pressure of the sliding arm,
After the friction plate 56 and 43 outer surface of steering cylinder hold out against cooperation, the steering cylinder 56 is rotated by limitation.
Since heretofore described mechanorecepter 46 can incude 45 liquid level position of storage slot, so as in the storage slot
45 liquid levels control the valve 51 when being less than with the contact lower limit of the mechanorecepter 46 and automatically turn on, to can ensure that the storage slot
Liquid level in 45 remains at same level, and the painting 44 can be made to stablize and smeared.
The beneficial effects of the invention are as follows：The configuration of the present invention is simple, using simplicity, by being equipped with oral area in cabinet left end face
Towards the first left turn-around chamber, the first steering shaft is rotatably installed before and after the first turn-around chamber in end wall, is consolidated in the first steering shaft
Dingan County stretches out the steering cylinder outside cabinet left end face equipped with left side semicircle, and the first turn-around chamber inner bottom wall unicom is provided with storage slot,
It is equipped in cabinet on the right side of first turn-around chamber and stirs device, it includes setting and second turn on the right side of the first turn-around chamber to stir device
To chamber, the second turn-around chamber stretches up and down is provided with the second steering shaft, and rotatably installation is turned to second for the second steering shaft upper end
In intracavitary roof, the second steering shaft lower end is connect with the motor power being fixedly installed in the second turn-around chamber inner bottom wall, second turn
Be fixed in the second steering shaft into chamber it is multigroup stir arm, on the left of the second turn-around chamber bottom wall and on the right side of storage groove bottom wall between
Mutual unicom is provided with siphunculus, and siphunculus is being equipped with valve, the first turn-around chamber top positioned at the second turn-around chamber bottom wall junction
Cabinet in be equipped with lock uint, lock uint includes being set on the left of the first turn-around chamber inner roof wall and oral area towards first turn
The screw hole outside enclosure top end face is set to above sliding slot and stretched out to the sliding slot and unicom of chamber, is slipped and is slipped peace in slot
Equipped with sliding arm, sliding arm bottom is put in the first turn-around chamber and bottom tail end is installed with and turns to the matched friction of cylinder
Piece, in screw hole cooperation the stud of stretching, extension setting up and down is installed, stud bottom end face offsets with sliding arm top end surface, stud to
Upper stretch section stretches out outside enclosure top end face and top tail end is fixed with steering ring, to be greatly improved working efficiency, subtracts
Few labor intensity, while there is lock function, it can prevent from turning to cylinder unintentional rotation, be moved easily transport.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of mailbox device, including unwheeling and the cabinet that is set to above the unwheeling, it is characterised in that：The frame
Vehicle right end face is equipped with fixed link, and the inserted link of elongation setting upwards is hingedly equipped in the fixed link, is set at the top of the inserted link
There is an oxycephaly, equipped with oral area towards the first left turn-around chamber in the cabinet left end face, before and after first turn-around chamber in end wall
The first steering shaft rotatably is installed, left side semicircle is installed in first steering shaft and is stretched out outside cabinet left end face
Steering cylinder, the first turn-around chamber inner bottom wall unicom is provided with storage slot, in the cabinet on the right side of first turn-around chamber
Equipped with stirring device, the device that stirs includes setting and the second turn-around chamber on the right side of first turn-around chamber, and described second
Turn-around chamber stretches up and down is provided with the second steering shaft, and second steering shaft upper end is rotatably installed and second turn-around chamber
In inner roof wall, second steering shaft lower end is connect with the motor power being fixedly installed in the second turn-around chamber inner bottom wall,
It is equipped on the outside of the motor and holds protecting assembly, it is described to hold that protecting assembly includes vibration damper plate and backing drops in metal, in second turn-around chamber
Second steering shaft on be fixed with it is multigroup stir arm, on the left of the second turn-around chamber bottom wall with the storage groove bottom wall right side
Mutual unicom is provided with siphunculus between side, and the siphunculus is being equipped with valve positioned at the second turn-around chamber bottom wall junction,
Lock uint is equipped in the cabinet above first turn-around chamber, the lock uint includes being set to described first to turn to
The sliding slot and unicom of on the left of intracavitary roof and oral area towards first turn-around chamber be set to above the sliding slot and
The screw hole outside the enclosure top end face is stretched out, is slipped in the sliding slot and sliding arm is installed, the sliding arm bottom is put in
In first turn-around chamber and bottom tail end be installed with the matched friction plate of the steering cylinder, coordinate in the screw hole
The stud of stretching, extension setting up and down is installed, the stud bottom end face offsets with the sliding arm top end surface, the stud to
Upper stretch section stretches out outside the enclosure top end face and top tail end is fixed with steering ring.
2. a kind of mailbox device according to claim 1, it is characterised in that：It is corresponding in the sliding slot left hand end wall
It is slipped equipped with guide groove, in the guide groove and the guide pad being fixedly connected with the sliding arm, the guiding groove bottom wall is installed
In be equipped with the spring that offsets with the guide pad.
3. a kind of mailbox device according to claim 1, it is characterised in that：The steering cylinder outer surface is equipped with and is arranged
There is painting.
4. a kind of mailbox device according to claim 1, it is characterised in that：It is solid above inner wall on the right side of the storage slot
It is fixed to be equipped with the mechanorecepter connect with the valve electricity.
5. a kind of mailbox device according to claim 1, it is characterised in that：On the left of the second turn-around chamber inner roof wall
Stretching, extension is provided with the cavity outside unicom upwards, and the enclosure top end face above the cavity is fixed with and the cavity
The cone bucket of unicom.
6. a kind of mailbox device according to claim 1, it is characterised in that：Liquid is equipped in the unwheeling top end surface
Compression bar, the hydraulic rod top end face of the hydraulic stem are fixedly connected with the chassis bottom end face.
7. a kind of mailbox device according to claim 1, it is characterised in that：The shock dropping composite plate is arranged described
The top and bottom of motor and be fixedly connected with the motor, the cooling iron plate be arranged in the front-end and back-end of the motor and
It being fixedly connected with the shell of the motor, the top and bottom of the cooling iron plate are fixedly connected with the shock dropping composite plate,
The front-end and back-end of the motor are respectively equipped with a piece of above cooling iron plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244989.9A CN108421674A (en) | 2018-03-23 | 2018-03-23 | A kind of mailbox device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244989.9A CN108421674A (en) | 2018-03-23 | 2018-03-23 | A kind of mailbox device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108421674A true CN108421674A (en) | 2018-08-21 |
Family
ID=63158978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810244989.9A Withdrawn CN108421674A (en) | 2018-03-23 | 2018-03-23 | A kind of mailbox device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108421674A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015098025A (en) * | 2014-12-11 | 2015-05-28 | 株式会社三洋物産 | System for forming coating layer |
| CN107558362A (en) * | 2017-09-02 | 2018-01-09 | 范清 | A kind of bridge facility |
| CN107694824A (en) * | 2017-11-23 | 2018-02-16 | 黄国锦 | A kind of new letter box arrangement |
| CN107744324A (en) * | 2017-12-12 | 2018-03-02 | 宜昌吉达环保科技有限公司 | A kind of letter box arrangement |
| CN107803304A (en) * | 2017-11-23 | 2018-03-16 | 黄国锦 | A kind of letter box arrangement |
| CN107812658A (en) * | 2017-12-12 | 2018-03-20 | 宜昌吉达环保科技有限公司 | A kind of new letter box arrangement |
-
2018
- 2018-03-23 CN CN201810244989.9A patent/CN108421674A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015098025A (en) * | 2014-12-11 | 2015-05-28 | 株式会社三洋物産 | System for forming coating layer |
| CN107558362A (en) * | 2017-09-02 | 2018-01-09 | 范清 | A kind of bridge facility |
| CN107694824A (en) * | 2017-11-23 | 2018-02-16 | 黄国锦 | A kind of new letter box arrangement |
| CN107803304A (en) * | 2017-11-23 | 2018-03-16 | 黄国锦 | A kind of letter box arrangement |
| CN107744324A (en) * | 2017-12-12 | 2018-03-02 | 宜昌吉达环保科技有限公司 | A kind of letter box arrangement |
| CN107812658A (en) * | 2017-12-12 | 2018-03-20 | 宜昌吉达环保科技有限公司 | A kind of new letter box arrangement |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180821 |