CN109518638A - A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus - Google Patents
A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus Download PDFInfo
- Publication number
- CN109518638A CN109518638A CN201811575579.9A CN201811575579A CN109518638A CN 109518638 A CN109518638 A CN 109518638A CN 201811575579 A CN201811575579 A CN 201811575579A CN 109518638 A CN109518638 A CN 109518638A
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- Prior art keywords
- dust
- dust suction
- rectangle
- bracket
- vehicle
- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 82
- 238000004140 cleaning Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241001417527 Pempheridae Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of electric self-absorbings to clean vehicle vehicle bottom dust exhaust apparatus, including mounting plate, electric reciprocating mechanism and a polished rod are installed on a mounting board, dust suction shell is connected with by bracket on polished rod, bracket one end is sleeved on polished rod by clearance fit and is connect with the sliding block of electric reciprocating mechanism；Rectangle suction inlet is equipped in dust suction housing bottom surface and is respectively fixed with hairbrush item before and after rectangle suction inlet, is equipped with two round exits being connected to respectively with rectangle suction inlet side by side in dust suction housing upper face；It has been symmetrically mounted at the bottom of directional wheel after dust suction shell, has been symmetrically installed with universal wheel in dust suction housing forward end；It is hinged with a hoisting frame on a mounting board, hoisting frame is passed through by the crossbeam being located on bracket, is connected with lifting driving device in hoisting frame one end.Beneficial effect is: it can be realized automatic lifting and transverse shifting, cleaning range is big, and it is clean thorough, it can avoid reentrainment of dust.
Description
Technical field
The present invention relates to a kind of vehicle bottom dust exhaust apparatuses, the in particular to a kind of dust suction dress at electric self-absorbing cleaning vehicle vehicle bottom
It sets.
Background technique
With the continuous increase of stream of people's wagon flow, road garbage is more and more.To clean road surface, people have invented various ground
Sweeper.
Miniature electric suction sweeping type ground sweeper disclosed in Chinese patent CN101298760, it is walked by electric three-wheel and is filled
It sets, electric dust cleaner, double sweep devices, power supply group, control system and vehicle body composition；Wherein, body bottom section is electric three-wheel
Running gear, double sweep devices are mounted on vehicle foreside, and the suction inlet of electric dust cleaner is in vehicle body, outlet and body tail
Dirt box connection；Power supply group is mounted on vehicle body side, is that each device of sweeper is powered.Its suction nozzle is arranged in body bottom
And hairbrush roller is equipped at suction nozzle, this nozzle structure can not transverse shifting, when cannot effectively clean road corner, and clean
Certain fugitive dust is had, secondary pollution is caused, sweeping efficiency is low.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind can be realized automatic lifting and transverse shifting, cleaning range
Greatly, clean thorough, the electric self-absorbing that can avoid reentrainment of dust cleans vehicle vehicle bottom dust exhaust apparatus.
Technical scheme is as follows:
A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus, including mounting plate, are equipped with electric reciprocating on a mounting board
Mechanism and a polished rod, are connected with dust suction shell by bracket on polished rod, and bracket one end is sleeved on polished rod by clearance fit
It above and with the sliding block of electric reciprocating mechanism connect, for driving dust suction shell transverse reciprocating fortune under the driving of electric reciprocating mechanism
It is dynamic；
Rectangle suction inlet is equipped in dust suction housing bottom surface and is respectively fixed with hairbrush item before and after rectangle suction inlet, in dust suction shell
Be equipped with two round exits be connected to respectively with rectangle suction inlet side by side above, be discharged into for connecting hose for the dust of sucking described in
In the filter cloth bag for cleaning vehicle；It has been symmetrically mounted at the bottom of directional wheel after dust suction shell, has been symmetrically installed in dust suction housing forward end
Universal wheel is used to support dust suction shell when operation；
It is hinged with a hoisting frame on a mounting board, hoisting frame is passed through by the crossbeam being located on bracket, in hoisting frame one end
It is connected with lifting driving device, for driving bracket and dust suction shell to realize lifting by hoisting frame.
As further preferred, the electric reciprocating mechanism includes translation electric pushrod and the cross being mounted below mounting plate
Direction guiding rail is coupled the sliding block by glade plane space on cross slide way, before the push rod of the sliding block and translation electric pushrod
End connection.
As further preferred, it is fixed with connecting plate on the slide block, two guide sleeves are symmetrically arranged on connecting plate,
Two guide sleeves are sleeved on polished rod by clearance fit, and described bracket one end is removably connected with sliding seat and passes through sliding seat
It is sleeved on polished rod, the sliding seat of gig is between two guide sleeves.
As further preferred, it is fixed on connecting screw in dust suction housing central section, in the notch of the bracket other end
It is hinged with link block, the connecting screw passes through link block and limits by nut.
As further preferred, it is symmetrically arranged with side directive wheel at dust suction shell two sides rear portion, directive wheel outer rim protrusion in side is inhaled
Dirt shell both sides of the edge reduce friction to lean against in roadside operation on kerb.
As further preferred, it is located at two sides in dust suction housing bottom surface and rear end is respectively fixed with sealing joint strip, be located at
It is respectively equipped with rectangular aperture on the sealing joint strip of rectangle suction inlet two sides, to suck dust from two sides.
As further preferred, the multiple rectangle gap continuously arranged are evenly equipped on the hairbrush item before rectangle suction inlet,
To suck dust before rectangle suction inlet.
As further preferred, the lifting driving device is electric pushrod.
The beneficial effects of the present invention are: it is horizontal to respectively drive dust suction shell by electric reciprocating mechanism and lifting driving device
To reciprocating motion and elevating movement, therefore it can be realized the automatic lifting and transverse shifting of dust suction housing bottom surface rectangle suction inlet, clearly
It is big to sweep range；Due to being respectively fixed with hairbrush item before and after the rectangle suction inlet of dust suction housing bottom surface, which is cooperated by hairbrush item
The dust absorption fan of dynamic self suction type cleaning car can realize it is clean thoroughly, can be avoided reentrainment of dust.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the A-A cutaway view Amplified image of Fig. 1.
Fig. 4 is schematic perspective view I of the invention.
Fig. 5 is schematic perspective view II of the invention.
In figure: dust suction shell 1, rectangle suction inlet 101, round exit 102, polished rod 2, vertical plate 3 translate electric pushrod 4, installation
Plate 5, cross slide way 6, connecting plate 7, guide sleeve 8, electric pushrod 9, hoisting frame 10, link block 11, connecting screw 12, bracket 13,
Crossbeam 14, sliding seat 15, universal wheel 16, sealing joint strip 17, rectangular aperture 171, sliding block 18, side directive wheel 19, hairbrush item 20, square
Shape gap 201, directional wheel 21, support 22.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
As shown in fig. 1~fig. 5, a kind of electric self-absorbing of the present invention cleans vehicle vehicle bottom dust exhaust apparatus, including one piece
Mounting plate 5, is equipped with electric reciprocating mechanism and a polished rod 2 on mounting plate 5, and the electric reciprocating mechanism includes being mounted on
Translation electric pushrod 4 and cross slide way 6 below loading board 5, are fitted with a cunning by glade plane space on cross slide way 6
The push rod front end of block 18, the sliding block 18 and translation electric pushrod 4 is detachably connected.
2 both ends of polished rod pass through one piece of vertical plate 3 respectively and are lifted on 5 lower section of mounting plate, are connected on polished rod 2 by bracket 13
It is connected to dust suction shell 1, described 13 one end of bracket is removably connected with sliding seat 15 by screw and is sleeved on by sliding seat 15
It on polished rod 2, and is connect with the sliding block of electric reciprocating mechanism 18, for driving dust suction shell 1 under the driving of electric reciprocating mechanism
Traverse motion.Connecting plate 7 is fixed with by screw on the sliding block 18, two are symmetrically welded on connecting plate 7 and is led
To set 8, two guide sleeves 8 are sleeved on the polished rod 2 by clearance fit, the sliding seat 15 positioned at two guide sleeves 8 it
Between.It is fixed on connecting screw 12 in the middle part of dust suction shell 1, link block 11, institute are hinged in the notch of the bracket other end
Connecting screw 12 is stated to limit across link block 11 and by nut.
A rectangle suction inlet 101 is equipped in 1 bottom surface of dust suction shell and is respectively fixed with hairbrush rectangle suction inlet 101 is forward and backward
Item 20 is equipped with two round exits 102 being connected to respectively with rectangle suction inlet 101 side by side on dust suction shell 1, soft for connecting
The dust of sucking is discharged into the filter cloth bag of the cleaning vehicle by pipe.It is solid respectively to be located at two sides and rear end in 1 bottom surface of dust suction shell
Surely have sealing joint strip 17, be located at 101 two sides of rectangle suction inlet sealing joint strip 17 on be respectively equipped with rectangular aperture 171, so as to from
Two sides suck dust.The multiple rectangle gap 201 continuously arranged are evenly equipped on the hairbrush item 20 of 101 front of rectangle suction inlet, with
Just dust is sucked before rectangle suction inlet 101.
It has been symmetrically mounted at the bottom of two directional wheels 21 after dust suction shell 1, has been symmetrically installed with two in 1 front end of dust suction shell
Universal wheel 16 is used to support dust suction shell 1 when operation.
It is hinged with a hoisting frame 10 by two pieces of vertical plates 3 on mounting plate 5, hoisting frame 10 is by being welded on bracket
Crossbeam 14 pass through, lifting driving device is connected in 10 one end of hoisting frame, for driving bracket and dust suction by hoisting frame 10
Shell 1 realizes lifting.The lifting driving device be electric pushrod 9, both ends respectively with 10 one end of hoisting frame and the cleaning vehicle
Vehicle frame it is hinged.
It is symmetrically arranged with side directive wheel 19 at 1 two sides rear portion of dust suction shell, directive wheel 19 outer rim in side protrudes 1 two sides of dust suction shell
Edge reduces friction to lean against in roadside operation on kerb.
When installation, which is made into the vehicle frame rear portion bottom surface for being fixed by bolts to the cleaning vehicle by mounting plate 5, it will be electronic
9 upper end of push rod is hinged on the vehicle frame of the cleaning vehicle by a support 22.
When work, the translation electric pushrod 4 is controlled in the indoor controller of driving by setting respectively and promotes driving
Device.When cleaning work, starting electric pushrod 9 stretches out, and falls dust suction shell on the ground after being downwardly turned over by hoisting frame 10.
With movable slider, transversely guide rail 6 moves back and forth starting translation electric pushrod 4, and then drives dust suction shell along vehicle frame cross by bracket
To reciprocating motion, the dust on road surface is driven by hairbrush item 20 while movement, passes through the suction that the electric self-absorbing cleans vehicle
Dirt blower is sucked dust in the rectangle suction inlet 101 of dust suction housing bottom surface by rectangular aperture and rectangle gap, and passes through two circles
Shape outlet 102 is drawn into the filter cloth bag of the cleaning vehicle.After the completion of operation, dust suction shell is driven by translation electric pushrod 4
Body is parked in the middle position of vehicle frame transverse direction；It controls electric pushrod to reset, will be inhaled after driving bracket to be flipped up by hoisting frame
Dirt shell is lifted off ground, can drive electric self-absorbing cleaning vehicle and leave.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (8)
1. a kind of electric self-absorbing cleans vehicle vehicle bottom dust exhaust apparatus, including mounting plate, it is characterized in that: being equipped with electricity on a mounting board
Dynamic reciprocator and a polished rod, are connected with dust suction shell by bracket on polished rod, and bracket one end is set with by clearance fit
It is connect on polished rod and with the sliding block of electric reciprocating mechanism, for driving dust suction shell lateral under the driving of electric reciprocating mechanism
It moves back and forth；
Rectangle suction inlet is equipped in dust suction housing bottom surface and is respectively fixed with hairbrush item before and after rectangle suction inlet, in dust suction housing upper face
It is equipped with two round exits being connected to respectively with rectangle suction inlet side by side, the dust of sucking is discharged into the cleaning for connecting hose
In the filter cloth bag of vehicle；It has been symmetrically mounted at the bottom of directional wheel after dust suction shell, has been symmetrically installed in dust suction housing forward end universal
Wheel is used to support dust suction shell when operation；
It is hinged with a hoisting frame on a mounting board, hoisting frame is passed through by the crossbeam being located on bracket, is connected in hoisting frame one end
There is lifting driving device, for driving bracket and dust suction shell to realize lifting by hoisting frame.
2. a kind of electric self-absorbing according to claim 1 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: described electronic past
Structure of answering a pager's call includes translation electric pushrod and the cross slide way being mounted below mounting plate, is matched on cross slide way by glade plane space
It closes and the sliding block is installed, which connect with the push rod front end of translation electric pushrod.
3. a kind of electric self-absorbing according to claim 1 or 2 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: described
It is fixed with connecting plate on sliding block, two guide sleeves are symmetrically arranged on connecting plate, two guide sleeves are sleeved on by clearance fit
On polished rod, described bracket one end is removably connected with sliding seat and by sliding base sleeve on the polished rod, the sliding seat of gig in
Between two guide sleeves.
4. a kind of electric self-absorbing according to claim 3 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: in dust suction shell
Middle part is fixed on connecting screw, and link block is hinged in the notch of the bracket other end, and the connecting screw passes through connection
Block is simultaneously limited by nut.
5. a kind of electric self-absorbing according to claim 1 or 4 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: in dust suction
Shell two sides rear portion is symmetrically arranged with side directive wheel, and side directive wheel outer rim protrudes dust suction shell both sides of the edge, so as in roadside operation
When lean against on kerb reduce friction.
6. a kind of electric self-absorbing according to claim 5 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: in dust suction shell
Bottom surface is located at two sides and rear end is respectively fixed with sealing joint strip, is respectively equipped with square on the sealing joint strip for being located at rectangle suction inlet two sides
Shape opening, to suck dust from two sides.
7. a kind of electric self-absorbing according to claim 1 or 6 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: in rectangle
The multiple rectangle gap continuously arranged are evenly equipped on hairbrush item before suction inlet, to suck dust before rectangle suction inlet.
8. a kind of electric self-absorbing according to claim 1 cleans vehicle vehicle bottom dust exhaust apparatus, it is characterized in that: the promotion is driven
Dynamic device is electric pushrod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575579.9A CN109518638A (en) | 2018-12-22 | 2018-12-22 | A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811575579.9A CN109518638A (en) | 2018-12-22 | 2018-12-22 | A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109518638A true CN109518638A (en) | 2019-03-26 |
Family
ID=65797043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811575579.9A Withdrawn CN109518638A (en) | 2018-12-22 | 2018-12-22 | A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109518638A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106820A (en) * | 2019-04-02 | 2019-08-09 | 浙江筑马工程机械设备制造有限公司 | Clearing apparatus in high velocity sweep vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154911A (en) * | 1999-02-22 | 2000-12-05 | Vanderlinden; Roger P. | Debris lifting apparatus for use in a surface sweeping vehicle |
| CN101700522A (en) * | 2009-11-19 | 2010-05-05 | 浙江工业大学 | Dust collection mechanism on air duct cleaning robot and air duct cleaning robot |
| CN104963306A (en) * | 2015-04-30 | 2015-10-07 | 高峰 | Micro electric self-suction cleaning vehicle |
| CN105686756A (en) * | 2016-04-19 | 2016-06-22 | 东南（福建）汽车工业有限公司 | Automatic dust collection mopping system |
| CN206616501U (en) * | 2017-02-10 | 2017-11-07 | 佛山市巨石集尘机器有限公司 | Sucker lifting and swinging mechanism |
| CN107928552A (en) * | 2017-11-15 | 2018-04-20 | 华北科技学院 | A kind of double back puts sweeping robot |
| KR20180052893A (en) * | 2016-11-11 | 2018-05-21 | 주식회사 그라스텍 | Multipurpose dressing table |
| CN207615321U (en) * | 2017-09-27 | 2018-07-17 | 安徽中科光电色选机械有限公司 | A kind of dust automatic cleaning device |
| CN108560465A (en) * | 2018-06-01 | 2018-09-21 | 秦皇岛握石环保科技有限公司 | Suction type road-sweeping lorry |
| CN108670136A (en) * | 2018-07-19 | 2018-10-19 | 福州大学 | A kind of full-automatic Wet dust collector for realizing automatic obstacle-avoiding based on rod end avoidance disk |
| CN109008819A (en) * | 2018-08-30 | 2018-12-18 | 南京禹智智能科技有限公司 | A kind of factory's sweeping robot |
| CN209353272U (en) * | 2018-12-22 | 2019-09-06 | 北京中科健德环保科技有限公司 | A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus |
-
2018
- 2018-12-22 CN CN201811575579.9A patent/CN109518638A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154911A (en) * | 1999-02-22 | 2000-12-05 | Vanderlinden; Roger P. | Debris lifting apparatus for use in a surface sweeping vehicle |
| CN101700522A (en) * | 2009-11-19 | 2010-05-05 | 浙江工业大学 | Dust collection mechanism on air duct cleaning robot and air duct cleaning robot |
| CN104963306A (en) * | 2015-04-30 | 2015-10-07 | 高峰 | Micro electric self-suction cleaning vehicle |
| CN105686756A (en) * | 2016-04-19 | 2016-06-22 | 东南（福建）汽车工业有限公司 | Automatic dust collection mopping system |
| KR20180052893A (en) * | 2016-11-11 | 2018-05-21 | 주식회사 그라스텍 | Multipurpose dressing table |
| CN206616501U (en) * | 2017-02-10 | 2017-11-07 | 佛山市巨石集尘机器有限公司 | Sucker lifting and swinging mechanism |
| CN207615321U (en) * | 2017-09-27 | 2018-07-17 | 安徽中科光电色选机械有限公司 | A kind of dust automatic cleaning device |
| CN107928552A (en) * | 2017-11-15 | 2018-04-20 | 华北科技学院 | A kind of double back puts sweeping robot |
| CN108560465A (en) * | 2018-06-01 | 2018-09-21 | 秦皇岛握石环保科技有限公司 | Suction type road-sweeping lorry |
| CN108670136A (en) * | 2018-07-19 | 2018-10-19 | 福州大学 | A kind of full-automatic Wet dust collector for realizing automatic obstacle-avoiding based on rod end avoidance disk |
| CN109008819A (en) * | 2018-08-30 | 2018-12-18 | 南京禹智智能科技有限公司 | A kind of factory's sweeping robot |
| CN209353272U (en) * | 2018-12-22 | 2019-09-06 | 北京中科健德环保科技有限公司 | A kind of electric self-absorbing cleaning vehicle vehicle bottom dust exhaust apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106820A (en) * | 2019-04-02 | 2019-08-09 | 浙江筑马工程机械设备制造有限公司 | Clearing apparatus in high velocity sweep vehicle |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Room 417, Building 97, Huaishuling No. 4 Hospital, Fengtai District, Beijing Applicant after: BEIJING CAS-JIANDE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Applicant after: LIAONING JIANDE ELECTRIC SANITATION VEHICLE TECHNOLOGY CO.,LTD. Address before: Room 417, Building 97, Huaishuling No. 4 Hospital, Fengtai District, Beijing Applicant before: BEIJING ZHONGKE JIANDE TECHNOLOGY Co.,Ltd. Applicant before: LIAONING JIANDE ELECTRIC SANITATION VEHICLE TECHNOLOGY CO.,LTD. |
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| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190326 |
|
| WW01 | Invention patent application withdrawn after publication |