CN114541820A - Wind-proof bus shelter with wind-proof board - Google Patents
Wind-proof bus shelter with wind-proof board Download PDFInfo
- Publication number
- CN114541820A CN114541820A CN202011361801.2A CN202011361801A CN114541820A CN 114541820 A CN114541820 A CN 114541820A CN 202011361801 A CN202011361801 A CN 202011361801A CN 114541820 A CN114541820 A CN 114541820A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- square
- rack
- wind
- rotating shaft
- 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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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/1205—Small buildings erected in the open air
- E04H1/1211—Waiting shelters for bus stops
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
- E06B2009/785—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles by belts, straps, bands, tapes, cords, tassels
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B2009/801—Locking arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a wind-shielding waiting booth with a wind-shielding plate, which relates to the technical field of waiting booths and comprises a ceiling, wherein the left side and the right side of the ceiling are fixedly connected with first square boxes, the back surfaces of the two first square boxes are fixedly connected with connecting plates, the front surfaces of the two connecting plates are fixedly connected with second square boxes, the two first square boxes are respectively positioned right above the two second square boxes, first rotating shafts are movably arranged in the two first square boxes, and the surfaces of the two first rotating shafts are respectively fixedly connected with one ends of two rolling curtains. By arranging the long groove, the winding wheel, the first fixing rod, the second fixing rod and the pore plate, the invention solves the problems that the traditional wind shield plate is generally fixed, has poor wind shielding effect in the environment with a large number of people, is difficult to be folded when wind is not blown, can cause a large number of people to be blocked, is difficult to adapt to different use environments, and has poor applicability.
Description
Technical Field
The invention relates to the technical field of bus shelters, in particular to a wind shielding bus shelter with a wind shielding plate.
Background
Temporary waiting area of waiting for the vehicle such as pedestrian is regarded as in the bus shelter, provides simple help core service for the pedestrian, also provides a temporary place of sheltering from wind and rain for the pedestrian simultaneously, sets up the board of sheltering from the wind for the pedestrian in the bus shelter, improves pedestrian's waiting and experiences.
Traditional wind shield plate is generally fixed, and under the environment that people are many, the effect of keeping out the wind is poor, when not scraping the wind, is difficult to pack up, may cause people to block up more, is difficult to adapt to different service environment, and the suitability is relatively poor.
Disclosure of Invention
The invention provides a wind shielding waiting booth with a wind shielding plate, which has the advantages that the wind shielding plate can be opened when wind shielding is needed, the wind shielding effect is good, the wind shielding plate is not required to be folded when in use, the damage of the outside to the wind shielding plate is reduced, the service life of the wind shielding plate is prolonged, different use environments can be adapted, and people congestion is avoided.
In order to realize the purposes that the wind shielding plate can be opened when wind shielding is needed, the wind shielding effect is good, the wind shielding plate is not required to be folded when in use, the damage of the outside to the wind shielding plate is reduced, the service life of the wind shielding plate is prolonged, different use environments can be adapted, and crowds are prevented from being congested, the invention provides the following technical scheme: a wind-shielding waiting booth with wind-shielding plates comprises a ceiling, wherein the left side and the right side of the ceiling are fixedly connected with first square boxes, the back surfaces of the two first square boxes are fixedly connected with connecting plates, the front surfaces of the two connecting plates are fixedly connected with second square boxes, the two first square boxes are respectively positioned right above the two second square boxes, first rotating shafts are movably arranged in the two first square boxes, the surfaces of the two first rotating shafts are respectively and fixedly connected with one ends of two rolling curtains, the two rolling curtains are respectively wound on the surfaces of the two first rotating shafts, the other ends of the two rolling curtains are respectively and fixedly connected with the upper surfaces of the two square plates, the lower surfaces of the square plates are fixedly connected with the surface of a round bar, one end of each rolling curtain movably penetrates through the first square boxes, a winding wheel is fixedly sleeved on the surface of the first rotating shafts, and a pull rope is arranged on the surface of the winding wheel, one end of the pull rope movably penetrates through the first square box, the winding wheel is positioned on the front surface of the roller shutter, a second rotating shaft is movably arranged in the second square box, the surface of the second rotating shaft is fixedly sleeved with a gear which is respectively meshed with the first rack and the second rack, the interior of the second square box is fixedly connected with a first fixed rod, the first rack is movably sleeved on the surface of the first fixed rod, the interior of the second square box is fixedly connected with a second fixed rod, the second rack is movably sleeved on the surface of the second fixed rod, the left side of the first rack and the right side of the second rack are both fixedly connected with pore plates, the upper surface of the second square box is provided with a transverse groove, one side of the first rack far away from the second rack is fixedly connected with a sliding rod, the side face of the second square box is provided with a sliding groove, and the inner wall of the sliding groove is connected with the surface of the sliding rod in a sliding mode.
As a preferable technical scheme of the invention, round holes are formed in the surfaces of the two pore plates, and the inner walls of the round holes are movably connected with the surfaces of the first fixing rod and the second fixing rod respectively.
As a preferable technical scheme of the invention, bearings are arranged at the positions of the first square box corresponding to the first rotating shaft and the second square box corresponding to the second rotating shaft, and the inner walls of the bearings are fixedly connected with the surface of the first rotating shaft and the surface of the second rotating shaft respectively.
As a preferable technical scheme of the invention, the back-off surfaces of the two square plates are fixedly connected with grips.
As a preferable technical solution of the present invention, a chain is fixedly connected to an edge of the roller shutter, the chain is wound on a surface of the first rotating shaft, and a bottom of the chain is fixedly connected to an upper surface of the square plate.
As a preferred technical scheme of the invention, the front surface of the connecting plate is provided with a long groove, the inner wall of the long groove is movably connected with the surface of the round rod, and the transverse groove is communicated with the long groove.
Compared with the prior art, the invention provides a wind-shielding waiting booth with a wind-shielding plate, which has the following beneficial effects:
1. this keep out wind bus shelter with board hides wind, through setting up the handle, roll up the curtain, the round bar, horizontal slot and slide bar, drive roll up the curtain downstream through pulling the handle, the round bar on rolling up the curtain also downstream thereupon, when the round bar passes through the horizontal slot and moves to in the second side box, stimulate the slide bar left, the slide bar drives first rack and moves left, first rack drives gear clockwise, the gear drives second rack and moves right, the orifice plate on first rack and the second rack moves left and right respectively simultaneously, the orifice plate blocks the round bar, make roll up the curtain not blown by wind, the user only needs to stimulate the slide bar, can make roll up the curtain and put down, and easy operation is convenient, can hide the wind and keep out the rain by a large scale through rolling up the curtain, it is better to hide the wind and keep out the rain effect.
2. This keep out wind bus shelter with board hides wind, through setting up first rack, the gear, the second rack, orifice plate and stay cord, the first rack of reverse pulling, gear reverse motion, the second rack is also reverse motion thereupon, the orifice plate is also along with first rack and second rack reverse motion, make no longer contact with the round bar, the pulling stay cord, the stay cord drives the rolling wheel and rotates, the rolling wheel drives first pivot and rotates, make the rolling curtain upwards rolling, the user only needs the pulling stay cord, can make the rolling curtain pack up, easy operation is convenient, the rolling curtain after packing up protects through first square box, it is effectual to protect, avoid external factor to the harm of rolling curtain, the life of rolling curtain has been prolonged, can put down the rolling curtain and the rolling to different service environment, and simultaneously, pack up the rolling curtain and cause the jam when avoiding the people many times.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is a side cross-sectional view of an orifice plate according to the present invention;
FIG. 4 is a top cross-sectional view of the orifice plate of FIG. 3 according to the present invention.
In the figure: 1. a ceiling; 2. a first square box; 3. a connecting plate; 4. a second square box; 5. a first rotating shaft; 6. rolling a curtain; 7. a square plate; 8. a round bar; 9. a long groove; 10. a winding wheel; 11. pulling a rope; 12. a gear; 13. a first rack; 14. a second rack; 15. a first fixing lever; 16. a second fixing bar; 17. an orifice plate; 18. a transverse groove; 19. a slide bar; 20. a chute; 21. a circular hole; 22. a second rotating shaft; 23. a bearing; 24. a grip; 25. and a chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention discloses a wind-shielding waiting booth with wind-shielding plates, comprising a ceiling 1, wherein the left side and the right side of the ceiling 1 are both fixedly connected with first square boxes 2, the back surfaces of the two first square boxes 2 are both fixedly connected with connecting plates 3, the front surfaces of the two connecting plates 3 are both fixedly connected with second square boxes 4, the two first square boxes 2 are respectively positioned right above the two second square boxes 4, first rotating shafts 5 are respectively and movably arranged inside the two first square boxes 2, the surfaces of the two first rotating shafts 5 are respectively and fixedly connected with one ends of two rolling curtains 6, the two rolling curtains 6 are respectively wound on the surfaces of the two first rotating shafts 5, the other ends of the two rolling curtains 6 are respectively and fixedly connected with the upper surfaces of the two square plates 7, the lower surfaces of the square plates 7 are fixedly connected with the surface of a round bar 8, one end of the rolling curtain 6 movably penetrates through the first square boxes 2, the surface of the first rotating shaft 5 is fixedly sleeved with a winding wheel 10, the surface of the winding wheel 10 is wound with a pull rope 11, one end of the pull rope 11 movably penetrates through the first square box 2, the winding wheel 10 is positioned on the front side of the roller shutter 6, a second rotating shaft 22 is movably arranged in the second square box 4, a gear 12 is fixedly sleeved on the surface of the second rotating shaft 22, the gear 12 is respectively meshed with a first rack 13 and a second rack 14, a first fixing rod 15 is fixedly connected in the second square box 4, the first rack 13 is movably sleeved on the surface of the first fixing rod 15, a second fixing rod 16 is fixedly connected in the second square box 4, the second rack 14 is movably sleeved on the surface of the second fixing rod 16, the left side of the first rack 13 and the right side of the second rack 14 are both fixedly connected with a pore plate 17, the upper surface of the second square box 4 is provided with a transverse groove 18, a sliding rod 19 is fixedly connected to one side, away from the second rack 14, of the first rack 13, a sliding groove 20 is formed in the side face of the second square box 4, and the inner wall of the sliding groove 20 is in sliding connection with the surface of the sliding rod 19.
Specifically, round holes 21 are formed in the surfaces of the two orifice plates 17, and the inner walls of the two round holes 21 are movably connected with the surfaces of the first fixing rod 15 and the second fixing rod 16 respectively.
In this embodiment, the first fixing lever 15 and the second fixing lever 16 can guide the orifice plate 17 and enhance the stability of the orifice plate 17.
Specifically, the first square box 2 is provided with a bearing 23 at a position corresponding to the first rotating shaft 5, the second square box 4 is provided with a bearing 23 at a position corresponding to the second rotating shaft 22, and the inner wall of the bearing 23 is fixedly connected with the surface of the first rotating shaft 5 and the surface of the second rotating shaft 22 respectively.
In this embodiment, the bearing 23 fixes the second rotating shaft 22, so that the second rotating shaft 22 rotates stably, and the second rotating shaft 22 drives the gear 12 to rotate, so that the gear 12 rotates more stably.
Specifically, the back-to-back surfaces of the two square plates 7 are both fixedly connected with a handle 24.
In this embodiment, the handle 24 facilitates pulling the roller shutter 6.
Specifically, the edge of the roller shutter 6 is fixedly connected with a chain 25, the chain 25 is wound on the surface of the first rotating shaft 5, and the bottom of the chain 25 is fixedly connected with the upper surface of the square plate 7.
In this embodiment, the chain 25 can prevent the roller blinds 6 from being retracted together, and is not easy to pull and retract downwards.
Specifically, the front surface of the connecting plate 3 is provided with a long groove 9, the inner wall of the long groove 9 is movably connected with the surface of the round rod 8, and the transverse groove 18 is communicated with the long groove 9.
In this embodiment, the long groove 9 can guide the roller shutter 6, so that the roller shutter 6 descends more stably in the descending process.
The working principle and the using process of the invention are as follows: when the wind shielding device is used, the handle 24 is pulled to drive the roller shutter 6 to move downwards when wind shielding is needed, the round rod 8 on the roller shutter 6 also moves downwards, when the round rod 8 moves into the second square box 4 through the transverse groove 18, the sliding rod 19 is pulled leftwards, the sliding rod 19 drives the first rack 13 to move leftwards, the first rack 13 drives the gear 12 to rotate clockwise, the gear 12 drives the second rack 14 to move rightwards, meanwhile, the pore plates 17 on the first rack 13 and the second rack 14 respectively move leftwards and rightwards, the pore plates 17 clamp the round rod 8, so that the roller shutter 6 cannot flutter with the wind to shield the waiting pedestrians, when wind shielding is not needed, the first rack 13 is pulled reversely, the gear 12 reversely moves, the second rack 14 also reversely moves along with the first rack 13 and the second rack 14, the pore plates 17 also reversely move along with the first rack 13 and the second rack 14, so that the roller shutter is not in contact with the round rod 8, the pull ropes 11 and 11 drive the wind winding wheel 10 to rotate, the winding wheel 10 drives the first rotating shaft 5 to rotate, so that the roller shutter 6 is wound upwards, the roller shutter 6 can be wound up when not needed to be used, and damage to the roller shutter 6 is reduced.
In conclusion, this have the shelter from wind bus shelter that hides wind board has solved traditional board that hides wind and is generally fixed through setting up ceiling 1, first square box 2, connecting plate 3, second square box 4 and first pivot 5, and is poor for the environment that people are many, and the effect of keeping out the wind is poor, when not blowing, is difficult to pack up, probably causes the people to block up more, is difficult to adapt to different service environment, the relatively poor problem of suitability.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a weather shelter keeps out wind with board that hides wind, includes ceiling (1), its characterized in that: the left side and the right side of the ceiling (1) are fixedly connected with first square boxes (2), the back surfaces of the two first square boxes (2) are fixedly connected with connecting plates (3), the front surfaces of the two connecting plates (3) are fixedly connected with second square boxes (4), the two first square boxes (2) are respectively positioned right above the two second square boxes (4), first rotating shafts (5) are movably arranged in the two first square boxes (2), the surfaces of the two first rotating shafts (5) are respectively and fixedly connected with one ends of two rolling curtains (6), the two rolling curtains (6) are respectively wound on the surfaces of the two first rotating shafts (5), the other ends of the two rolling curtains (6) are respectively and fixedly connected with the upper surfaces of the two square plates (7), the lower surfaces of the square plates (7) are fixedly connected with the surfaces of round rods (8), one ends of the rolling curtains (6) movably penetrate through the first square boxes (2), the surface of the first rotating shaft (5) is fixedly sleeved with a winding wheel (10), the surface of the winding wheel (10) is wound with a pull rope (11), one end of the pull rope (11) movably penetrates through the first square box (2), the winding wheel (10) is positioned on the front surface of the roller shutter (6), a second rotating shaft (22) is movably arranged in the second square box (4), a gear (12) is fixedly sleeved on the surface of the second rotating shaft (22), the gear (12) is respectively meshed with a first rack (13) and a second rack (14), a first fixing rod (15) is fixedly connected in the second square box (4), the first rack (13) is movably sleeved on the surface of the first fixing rod (15), a second fixing rod (16) is fixedly connected in the second square box (4), and the second rack (14) is movably sleeved on the surface of the second fixing rod (16), the equal fixedly connected with orifice plate (17) in left side of first rack (13) and the right side of second rack (14), cross slot (18) have been seted up to the upper surface of second square box (4), one side fixedly connected with slide bar (19) of second rack (14) are kept away from in first rack (13), spout (20) have been seted up to the side of second square box (4), the inner wall of spout (20) and the surface sliding connection of slide bar (19).
2. The shelter of claim 1, wherein: round holes (21) are formed in the surfaces of the two pore plates (17), and the inner walls of the round holes (21) are movably connected with the surfaces of the first fixing rod (15) and the second fixing rod (16) respectively.
3. The shelter of claim 1, wherein: the first square box (2) corresponds to the first rotating shaft (5) in position, the second square box (4) corresponds to the second rotating shaft (22) in position and is provided with a bearing (23), and the inner wall of the bearing (23) is fixedly connected with the surface of the first rotating shaft (5) and the surface of the second rotating shaft (22) respectively.
4. The shelter of claim 1, wherein: the deviating surfaces of the two square plates (7) are fixedly connected with grips (24).
5. The shelter of claim 1, wherein: edge fixedly connected with chain (25) of rolling up curtain (6), chain (25) twine in the surface of first pivot (5), the bottom of chain (25) and the last fixed surface of square slab (7) are connected.
6. The shelter of claim 1, wherein: the front surface of the connecting plate (3) is provided with a long groove (9), the inner wall of the long groove (9) is movably connected with the surface of the round rod (8), and the transverse groove (18) is communicated with the long groove (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011361801.2A CN114541820A (en) | 2020-11-27 | 2020-11-27 | Wind-proof bus shelter with wind-proof board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011361801.2A CN114541820A (en) | 2020-11-27 | 2020-11-27 | Wind-proof bus shelter with wind-proof board |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114541820A true CN114541820A (en) | 2022-05-27 |
Family
ID=81668223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011361801.2A Withdrawn CN114541820A (en) | 2020-11-27 | 2020-11-27 | Wind-proof bus shelter with wind-proof board |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114541820A (en) |
-
2020
- 2020-11-27 CN CN202011361801.2A patent/CN114541820A/en not_active Withdrawn
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Application publication date: 20220527 |