CN107343776A - A kind of automatic cleaning device for stair railing and method - Google Patents
A kind of automatic cleaning device for stair railing and method Download PDFInfo
- Publication number
- CN107343776A CN107343776A CN201710749080.4A CN201710749080A CN107343776A CN 107343776 A CN107343776 A CN 107343776A CN 201710749080 A CN201710749080 A CN 201710749080A CN 107343776 A CN107343776 A CN 107343776A
- Authority
- CN
- China
- Prior art keywords
- cleaning apparatus
- deashing device
- cleaning
- deashing
- stair railing
- 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- Withdrawn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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4066—Propulsion of the whole machine
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of automatic cleaning device for stair railing and method, including deashing device, cleaning apparatus and drive device, the deashing device is disposed adjacent with cleaning apparatus, the deashing device, cleaning apparatus bottom offers the arcuation groove being adapted with balustrade, the deashing device, cleaning apparatus is slidably arranged in above balustrade, two guide rods are provided with the side wall of the deashing device, two guide rod insertion cleaning apparatus are set, and two described guide rod one end stretch out outside cleaning apparatus, the end of two guide rods is provided with back-up ring；The drive device is arranged between deashing device cleaning apparatus, and the drive device can drive cleaning apparatus with respect to deashing device along guide rod slide displacement.The present invention provides a kind of automatic cleaning device for stair railing and method, can improve operating efficiency, reduce the labour of cleanup crew.
Description
Technical field
The present invention relates to stair to clean field, more particularly to a kind of automatic cleaning device for stair railing and method.
Background technology
Although elevator, using more and more, traditional stair are still indispensable, are still frequently used, but due to using
Frequency declines, and staircase is often full of dust, particularly armrest portion, if handrail is not cleared up, the full dust of product can
Can would not someone use, it would therefore be desirable to periodically be cleaned to handrail.But under the conditions of existing, cleaning handrail is only
It can be wiped layer by layer by manpower, because temporarily also carrying out automated cleaning without good device fixes handrail.Therefore, it is necessary to one
Individual automatic flushing device cleans to balustrade, to mitigate the labour of cleanup crew.
Cleaning solution is automated for current handrail, inventor is by consulting existing patented technology, typical related skill
Art is the handrail automated cleaning equipment of staircase, is all the handrail to current staircase, by installing cleaning device additional, is followed by staircase
Cleaning and sterilizing is carried out to staircase by cleaning device when ring moves, rarely set for what traditional balustrade was cleaned
It is standby.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of balustrade and cleaned automatically
Device and method, operating efficiency can be improved, reduce the labour of cleanup crew.
Technical scheme：To achieve the above object, technical scheme is as follows：
A kind of automatic cleaning device for stair railing, including deashing device, cleaning apparatus and drive device, the deashing device
It is disposed adjacent with cleaning apparatus, the deashing device, cleaning apparatus bottom offer the arcuation being adapted with balustrade and led to
Groove, the deashing device, cleaning apparatus are slidably arranged in above balustrade, and two are provided with the side wall of the deashing device
Guide rod, two guide rod insertion cleaning apparatus are set, and two described guide rod one end are stretched out outside cleaning apparatus, described in two
The end of guide rod is provided with back-up ring；The drive device is arranged between deashing device cleaning apparatus, and the driving dress
Putting can drive cleaning apparatus with respect to deashing device along guide rod slide displacement.
Further, the drive device includes motor, housing and the crank axle being rotatably arranged in housing, described
Crank axle is located at the top of guide rod, and vertically-guided bar, and the crank axle includes two crank portions being disposed adjacent, two institutes
It is in opposite direction to state crank portion；Rotated respectively in two crank portions and be provided with first connecting rod and second connecting rod, described first connects
Bar is set with deashing device rotation connection, and the second connecting rod is set with cleaning apparatus rotation connection；The motor is fixed
It is arranged in housing, and motor driving crankshaft rotation.
Further, the first spring and second spring are arranged with two guide rods, first spring is set in
Between deashing device and cleaning apparatus, the second spring is set between cleaning apparatus and back-up ring.
Further, the inside of the deashing device and cleaning apparatus is cavity structure, and the deashing device and clean
At least two carriages are provided with the arcuation groove of cleaning device, two carriages are symmetricly set on arcuation groove
Both sides；The carriage includes supporting plate and movable pulley, and the supporting plate is elastic stripe board, one end of the supporting plate
It is arranged on the wall body of cleaning apparatus, the other end is vacantly set, and the free end of the supporting plate is angularly disposed pillar, the branch
Rotated on post and be provided with movable pulley；Also include race, the race insertion is opened on the arc wall body of arcuation groove, the cunning
Driving wheel is correspondingly arranged with race, and the profile outer rim of the movable pulley is stretched out outside the race.
Further, the race is arranged on lower section at the maximum gauge of arcuation groove, and the width of the race is more than
The thickness of movable pulley.
Further, the incline direction of the movable pulley points to the section center of circle of arcuation groove, the inclined plane and level
Face angle is less than or equal to 10 °, and the excircle configuration of the movable pulley stretches out the distance of race in 3mm~5mm.
Further, some through holes, the deashing dress are offered on the arc wall body of the arcuation groove of the deashing device
Sprayer unit and water tank are additionally provided with putting, two sprayer units are arranged on below water tank, and the spray of the sprayer unit
Mist head is set towards through hole.
Further, spacing is provided with dismountable hairbrush layer, frosted successively for the arcuation groove bottom of the cleaning apparatus
Layer and rag layer, and the interval region between the hairbrush layer, frosted layer and rag layer is provided with some drying holes, the drying
The arc wall body of hole insertion arcuation groove is set, and drying unit is provided with the cleaning apparatus, the drying unit and institute
Drying hole is stated to be correspondingly arranged.
A kind of method of automatic cleaning device for stair railing：By the deashing device and cleaning apparatus holding in balustrade
Round steel pipe on, and cleaned from the eminence of balustrade to lower, the hand steered drive device of operating personnel, start driving electricity
Machine makes cleaning apparatus be reciprocatingly slided along guide rod, and it is clear that the hairbrush layer, frosted layer and rag layer carry out reciprocating friction to handrail
Clean, the deashing device and cleaning apparatus gradually move downward cleaning along balustrade.
Beneficial effect：The deashing device and cleaning apparatus of the present invention is cleaned from the eminence of balustrade to lower, is used
Power, which presses deashing device and cleaning apparatus, can make movable pulley therein be fastened on the outside of steel tubular handrailing, allow clean layer more preferable
Be adjacent to handrail wall, cleaning effect is good；Movable pulley can be moved downward gradually under gravity, can be reduced power drive and be set
It is standby, reduce cost；Cleaning device can be reciprocatingly slided with respect to deashing device along guide rod, there is provided friction wiping force；Guide rod
On spring cleaning device is produced slight vibrations during reciprocating motion, not only contribute to shake off non-cleaning part and help
Dust on hand, laying dust degree is reduced, and make cleaning performance more preferable.
Brief description of the drawings
Accompanying drawing 1 is overall structure diagram of the invention；
Accompanying drawing 2 is overall structure top view of the invention；
Accompanying drawing 3 is inventive drive means internal structure schematic diagram；
Accompanying drawing 4 is cleaning apparatus internal structure sectional view of the invention；
Accompanying drawing 5 is deashing device Structure explosion diagram of the invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
It is shown as shown in Figures 1 and 2, a kind of automatic cleaning device for stair railing, including deashing device 1, clean dress
2 and drive device 3 are put, the deashing device 1 is disposed adjacent with cleaning apparatus 2, and the deashing device 1, the bottom of cleaning apparatus 2 are equal
The arcuation groove being adapted with balustrade is offered, the deashing device 1, cleaning apparatus 2 are slidably arranged on balustrade
It is square, two guide rods 6 are fixedly installed in the side wall of the deashing device 1, two guide rods 6 penetrate cleaning apparatus 2 and set
Put, and two described one end of guide rod 6 are stretched out outside cleaning apparatus 2, the end of two guide rods 6 is provided with back-up ring 8；It is described
Drive device 3 is arranged between the cleaning apparatus 2 of deashing device 1, and is positioned above, and the drive device 3 can drive cleaning
Device 2 is with respect to deashing device 1 along the slide displacement of guide rod 6.The first spring 7 and the second bullet are arranged with two guide rods 8
Spring 9, first spring 7 are set between deashing device 1 and cleaning apparatus 2, and the second spring 9 is set in cleaning apparatus 2
Between back-up ring 8.Cleaning device can be reciprocatingly slided with respect to deashing device along guide rod, there is provided friction wiping force；Guide rod
On spring cleaning device is produced slight vibrations during reciprocating motion, not only contribute to shake off non-cleaning part and help
Dust on hand, laying dust degree is reduced, and make cleaning performance more preferable.
As shown in accompanying drawing 2 and accompanying drawing 3, the drive device 3 includes motor 13, housing 10 and is rotatably arranged on housing
Crank axle 12 in 10, the crank axle 12 are located at the top of guide rod 8, and vertically-guided bar 8, and the crank axle 12 includes two
The individual crank portion 11 being disposed adjacent, two crank portions 11 are in opposite direction；Rotate and set respectively in two crank portions 11
There are first connecting rod 14 and second connecting rod 16, the first connecting rod 14 and the ball pivot of pole 5 being fixed on deashing device 1 are rotated and connected
Setting is connect, the second connecting rod 16 and the ball pivot of pole 5 rotation connection being fixed on cleaning apparatus 2 are set；The motor
13 are fixedly installed in housing 10, and the motor 13 drives crank axle 12 to rotate.Motor 13 passes through bevel gear set
17 driving crank axles 12 rotate, and play a part of slowing down and driving force turns to.By the rotation of crank axle, make the He of deashing device 1
Cleaning apparatus 2 can move toward one another, and fricting movement is done on balustrade, lifts the effect of deashing.
As shown in Figure 4, the inside of the deashing device 1 and cleaning apparatus 2 is cavity structure, and the deashing device
1 and cleaning apparatus 2 arcuation groove in be provided with least two carriages, two carriages are symmetricly set on arc
The both sides of shape groove；The carriage includes supporting plate 18 and movable pulley 19, and the supporting plate 18 is elastic stripe board, such as
Engineering plastics etc. can produce certain deformation extent, and one end of the supporting plate 18 is arranged on the wall body of cleaning apparatus 2, another
End is hanging to be set, and the wall body of spacing arcuation groove, and the free end of the supporting plate 18 is angularly disposed pillar 20, the pillar
Rotated on 20 and be provided with movable pulley 19；Also include race 22, the race 22 penetrates the arc wall body 21 for being opened in arcuation groove
On, the movable pulley 19 is correspondingly arranged with race 22, and the profile outer rim of the movable pulley 19 is stretched out outside the race 22.Institute
State race 22 and be arranged on lower section at the maximum gauge of arcuation groove, and the width of the race 22 is more than the thickness of movable pulley 19.
The incline direction of the movable pulley 19 points to the section center of circle of arcuation groove, and the inclined plane is less than or equal to horizontal plane angle
10 °, and the excircle configuration of the movable pulley 19 stretches out the distance of race 22 in 3mm~5mm.When in use, force pressing deashing
Device 1 and cleaning apparatus 2 can be such that movable pulley 19 is fastened under the maximum outside diameter of steel tube for handrail, and movable pulley 19 slidably exists
On handrail, clean layer is set preferably to be adjacent to handrail wall, cleaning effect is good；Movable pulley can under gravity gradually to
Lower motion, can reduce power drive device, reduce cost；If in addition, wanting to accelerate cleaning speed, can be applied by cleanup crew
Power, you can increase translational speed, the handle helped always for cleanup crew is provided with the housing of drive device 3.
As shown in Figure 5, some through holes 23, institute are offered on the arc wall body 21 of the arcuation groove of the deashing device 1
State and sprayer unit 26 and water tank 25 are additionally provided with deashing device 1, two sprayer units 26 are arranged on below water tank, described
Water tank is supplied water to sprayer unit, and the fog-spray nozzle of the sprayer unit 26 is set towards through hole 23.The bottom of water tank 25 is spill
Structure and the inside arc wall body setting for being bonded cavity of resorption 27, the top of water tank 25 is provided with lid 24.By the water smoke in water tank 25
Change is sprayed onto on handrail, reduces the waste of water, improves the working time that device uses.
As shown in accompanying drawing 2 and accompanying drawing 3, it is provided with the front end of deashing device and pushes away ash circle 33, the arcuation pushes away the patch of ash circle 33
Arcuation groove edge is closed to set.The ash circle that pushes away is quality of rubber materials, and the internal diameter for pushing away ash circle is less than the internal diameter of arcuation groove；It is described
Push away ash circle 33 first can remove a part by the laying dust on handrail, reduce the deashing burden of this cleaning device；In the arc of deashing device 1
The end of shape groove is provided with rough dusting hairbrush 27, carries out rough dusting in advance.
As shown in Figure 2, spacing is provided with dismountable hairbrush layer successively for the arcuation groove bottom of the cleaning apparatus 2
28th, frosted layer 29 and rag layer 31, and if the interval region between the hairbrush layer 28, frosted layer 29 and rag layer 31 be provided with
Dry drying hole 30, the arc wall body 21 that the drying hole 30 penetrates arcuation groove is set, and is provided with the cleaning apparatus 2
Drying unit 32, the drying unit 32 are correspondingly arranged with the drying hole 30.Cleaning device further carries out clear to handrail
Clean and wiping, and drying and processing is carried out, cleaning efficiency is high.
A kind of method of automatic cleaning device for stair railing：The deashing device 1 and the holding of cleaning apparatus 2 are helped in stair
On the round steel pipe of hand, and cleaned from the eminence of balustrade to lower, starting motor makes cleaning apparatus 2 along guiding
Bar 6 reciprocatingly slides, and 31 pairs of the hairbrush layer 28, frosted layer 29 and rag layer handrail carry out reciprocating friction cleaning, the deashing
Device 1 and cleaning apparatus 2 gradually move downward cleaning along balustrade.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- A kind of 1. automatic cleaning device for stair railing, it is characterised in that：Including deashing device (1), cleaning apparatus (2) and driving dress Put (3), the deashing device (1) is disposed adjacent with cleaning apparatus (2), and the deashing device (1), cleaning apparatus (2) bottom are equal The arcuation groove being adapted with balustrade is offered, the deashing device (1), cleaning apparatus (2) are slidably arranged in stair and helped It is square on hand, two guide rods (6), two clean dresses of guide rods (6) insertion are provided with the side wall of the deashing device (1) (2) setting is put, and cleaning apparatus (2) is stretched out outside in two described guide rod (6) one end, the end of two guide rods (6) is respectively provided with There is back-up ring (8)；The drive device (3) is arranged between deashing device (1) cleaning apparatus (2), and the drive device (3) can The relative deashing device (1) of cleaning apparatus (2) is driven along guide rod (6) slide displacement.
- A kind of 2. automatic cleaning device for stair railing according to claim 1, it is characterised in that：The drive device (3) Including motor (13), housing (10) and the crank axle (12) being rotatably arranged in housing (10), crank axle (12) position In the top of guide rod (8), and vertically-guided bar (8), the crank axle (12) include two crank portions (11) being disposed adjacent, Two crank portions (11) are in opposite direction；Rotated respectively on two crank portions (11) and be provided with first connecting rod (14) and the Two connecting rods (16), the first connecting rod (14) are set with deashing device (1) rotation connection, and the second connecting rod (16) fills with clean (2) rotation connection is put to set；The motor (13) is fixedly installed in housing (10), and the motor (13) drives Crank axle (12) rotates.
- A kind of 3. automatic cleaning device for stair railing according to claim 1 or 2, it is characterised in that：Two guide rods (8) the first spring (7) and second spring (9) are arranged with, first spring (7) is set in deashing device (1) and cleaning Between device (2), the second spring (9) is set between cleaning apparatus (2) and back-up ring (8).
- A kind of 4. automatic cleaning device for stair railing according to claim 1, it is characterised in that：The deashing device (1) Inside with cleaning apparatus (2) is cavity structure, and in the arcuation groove of the deashing device (1) and cleaning apparatus (2) At least two carriages are provided with, two carriages are symmetricly set on the both sides of arcuation groove；The carriage Including supporting plate (18) and movable pulley (19), the supporting plate (18) is elastic stripe board, and one end of the supporting plate (18) is set Put on the wall body of cleaning apparatus (2), the other end is vacantly set, and the free end of the supporting plate (18) is angularly disposed pillar (20), rotated on the pillar (20) and be provided with movable pulley (19)；Also include race (22), race (22) insertion is opened in On the arc wall body (21) of arcuation groove, the movable pulley (19) is correspondingly arranged with race (22), and the movable pulley (19) Profile outer rim stretches out the race (22) outside.
- A kind of 5. automatic cleaning device for stair railing according to claim 4, it is characterised in that：The race (22) is set Below at the maximum gauge of arcuation groove, and the width of the race (22) is more than the thickness of movable pulley (19).
- A kind of 6. automatic cleaning device for stair railing according to claim 4, it is characterised in that：The movable pulley (19) Incline direction points to the section center of circle of arcuation groove, and the inclined plane is less than or equal to 10 °, and the slip with horizontal plane angle The excircle configuration for taking turns (19) stretches out the distance of race (22) in 3mm~5mm.
- A kind of 7. automatic cleaning device for stair railing according to claim 1, it is characterised in that：The deashing device (1) Arcuation groove arc wall body (21) on offer some through holes (23), spraying dress is additionally provided with the deashing device (1) (26) and water tank (25) are put, two sprayer units (26) are arranged on below water tank, and the spraying of the sprayer unit (26) Head is set towards through hole (23).
- A kind of 8. automatic cleaning device for stair railing according to claim 1, it is characterised in that：The cleaning apparatus (2) Spacing is provided with dismountable hairbrush layer (28), frosted layer (29) and rag layer (31) successively for arcuation groove bottom, it is and described Interval region between hairbrush layer (28), frosted layer (29) and rag layer (31) is provided with some drying holes (30), the drying The arc wall body (21) of hole (30) insertion arcuation groove is set, and is provided with drying unit (32), institute in the cleaning apparatus (2) Drying unit (32) is stated to be correspondingly arranged with the drying hole (30).
- A kind of 9. method of automatic cleaning device for stair railing, it is characterised in that：By the deashing device (1) and cleaning apparatus (2) holding is cleaned on the round steel pipe of balustrade, and from the eminence of balustrade to lower, the hand steered drive of operating personnel Dynamic device (3), starting motor makes cleaning apparatus (2) be reciprocatingly slided along guide rod (6), the hairbrush layer (28), frosted Layer (29) and rag layer (31) carry out reciprocating friction cleaning to handrail, and the deashing device (1) and cleaning apparatus (2) are gradually along building Ladder rail moves downward cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749080.4A CN107343776A (en) | 2017-08-28 | 2017-08-28 | A kind of automatic cleaning device for stair railing and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749080.4A CN107343776A (en) | 2017-08-28 | 2017-08-28 | A kind of automatic cleaning device for stair railing and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107343776A true CN107343776A (en) | 2017-11-14 |
Family
ID=60257404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710749080.4A Withdrawn CN107343776A (en) | 2017-08-28 | 2017-08-28 | A kind of automatic cleaning device for stair railing and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107343776A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888185A (en) * | 2018-06-28 | 2018-11-27 | 庞成谦 | A kind of building stair glass handrail automated cleaning section robot |
| CN109077666A (en) * | 2018-09-13 | 2018-12-25 | 安徽工程大学 | A kind of device cleaning balustrade |
| CN109157162A (en) * | 2018-10-30 | 2019-01-08 | 吉林大学 | It creeps the intelligent stair sweeping robot and its control method of ability with guardrail is grabbed |
| CN110302984A (en) * | 2019-07-09 | 2019-10-08 | 佛山克情日用品有限公司 | A kind of public place handrail is antibacterial to remove stain system |
| CN112525320A (en) * | 2020-11-17 | 2021-03-19 | 尧浪 | Food production weighing device capable of avoiding residual oil stains and use method thereof |
-
2017
- 2017-08-28 CN CN201710749080.4A patent/CN107343776A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888185A (en) * | 2018-06-28 | 2018-11-27 | 庞成谦 | A kind of building stair glass handrail automated cleaning section robot |
| CN108888185B (en) * | 2018-06-28 | 2022-12-13 | 开化金翔建设工程有限公司 | Automatic cleaning joint robot for building stair glass handrail |
| CN109077666A (en) * | 2018-09-13 | 2018-12-25 | 安徽工程大学 | A kind of device cleaning balustrade |
| CN109157162A (en) * | 2018-10-30 | 2019-01-08 | 吉林大学 | It creeps the intelligent stair sweeping robot and its control method of ability with guardrail is grabbed |
| CN109157162B (en) * | 2018-10-30 | 2023-04-11 | 吉林大学 | Intelligent stair cleaning robot with guardrail crawling capability and control method thereof |
| CN110302984A (en) * | 2019-07-09 | 2019-10-08 | 佛山克情日用品有限公司 | A kind of public place handrail is antibacterial to remove stain system |
| CN112525320A (en) * | 2020-11-17 | 2021-03-19 | 尧浪 | Food production weighing device capable of avoiding residual oil stains and use method thereof |
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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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171114 |