CN108622217A - A kind of dome car - Google Patents
A kind of dome car Download PDFInfo
- Publication number
- CN108622217A CN108622217A CN201810513028.3A CN201810513028A CN108622217A CN 108622217 A CN108622217 A CN 108622217A CN 201810513028 A CN201810513028 A CN 201810513028A CN 108622217 A CN108622217 A CN 108622217A
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- CN
- China
- Prior art keywords
- chassis
- trailer
- traction
- tractor
- wheel assembly
- 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- Withdrawn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
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
This application discloses a kind of dome cars comprising tractor, tractor have power assembly；The trailer of tractor is connected by draft gear, draft gear includes traction bearing；It is articulated in the draw beam of traction bearing；And it is installed on the threading frame on draw beam；Wherein, threading frame includes the support line bar being vertically arranged in draw beam；The flank line bar bent respectively to both sides from support line bar；And the circular coil being bent by flank line bar；And it is installed on the brake assembly of tractor and trailer.The present invention is cooperated by tractor and trailer, and draft gear traction avoids the driving safety of previous dome car from bothering.
Description
Technical field
The application belongs to dome car technical field, specifically, being related to a kind of dome car.
Background technology
Dome car is to be mainly used in the recreation grounds such as scenic spot, park, market to be used for delivering tourist；It can be used for city
The densely populated place in city is used for delivering tourist.Existing dome car bears load mistake regardless of the chassis of tractor or trailer
It is small, follow-up compartment is drawn, it can only single-unit use；In addition high level chassis is used, cost is higher, complicated, subsequently
It is more troublesome when vehicle body is installed, the installation of the ornamental member of some dome cars cannot be met, simultaneously for dome car
Brake request is more easy, is handled without complication.Moreover, the vehicle body of trailer needs to accommodate more passenger, frivolous dissipate is needed
Heat treatment.
Invention content
In view of this, there is provided a kind of dome cars for technical problems to be solved in this application, pass through tractor and extension
Vehicle cooperates, and draft gear traction avoids the driving safety of previous dome car from bothering.
In order to solve the above-mentioned technical problem, this application discloses a kind of dome cars comprising tractor, tractor have
Power assembly；The trailer of tractor is connected by draft gear, draft gear includes traction bearing；It is articulated in leading for traction bearing
Draw beam；And it is installed on the threading frame on draw beam；Wherein, threading frame includes the support line bar being vertically arranged in draw beam；By supporting
The flank line bar that line bar is bent to both sides respectively；And the circular coil being bent by flank line bar；And be installed on tractor with
The brake assembly of trailer.
According to an embodiment of the present invention, wherein above-mentioned tractor includes traction chassis；It is installed on traction chassis
Preceding wheel assembly and rear wheel assembly；It is installed on the traction vehicle body of traction chassis；The front steering transmission of wheel assembly before being respectively arranged at
The rear steering transmission device of device and rear wheel assembly；And the transmission shaft of two steering transmission linkages of connection, transmission shaft is oblique to be set
It sets.
According to an embodiment of the present invention, wherein above-mentioned front steering transmission device includes the claw of wheel assembly before being welded in
Portion, claw portion have the fixed part extended；It is articulated in the double-deck holding section of fixed part；And be fixed on the double-deck holding section and
Base plate on the upside of preceding wheel assembly, wherein pedestal front edge of board are pivotally connected transmission shaft, and rear end is bent downward to be distinguished by front rod
Connect two front-wheels；Rear steering transmission device is identical as front steering transmission structures and is oppositely arranged.
According to an embodiment of the present invention, wherein above-mentioned transmission shaft one end is set on the left of front steering transmission device；It is another
End is set on the right side of rear steering transmission device.
According to an embodiment of the present invention, wherein above-mentioned trailer includes chassis of trailer；The front-wheel for being set to chassis of trailer is total
At；It is set to the rear wheel assembly of chassis of trailer；It is installed on the trailer body of chassis of trailer；And it is installed on trailer body front end
Traction hook；Wherein, the vehicle window of trailer body has around to grid, the top of trailer body is provided between chassis of trailer
The gear beam slab of extension.
According to an embodiment of the present invention, wherein above-mentioned chassis of trailer includes the front-wheel on chassis head, connecting base plate head
Plate portion, the chassis tail portion for connecting trailing wheel plate portion in the middle part of the chassis of front-wheel plate portion, in the middle part of connecting base plate, connecting trailing wheel plate portion, with
And it is installed on the pedal of side；Wherein, front-wheel plate portion has the first width, chassis head and in the middle part of chassis and bottom with trailing wheel plate portion
There is the second width, the first width to be less than the second width for disk tail portion；Wherein pedal uses width 8cm, the square tube of thickness 4cm.
According to an embodiment of the present invention, wherein above-mentioned traction hook includes the hold-down support for being installed on chassis head；If
The bottom bracket being placed on the downside of hold-down support, bottom bracket have lower pilot hole；Bracket on the upside of bottom bracket, bracket have
Upper pilot hole, wherein lower pilot hole aperture is less than upper pilot hole aperture；And pilot hole is worn to the axis of traction of lower pilot hole.
According to an embodiment of the present invention, wherein spacing 12cm ~ 18cm between above-mentioned upper pilot hole and lower pilot hole；Subiculum
The frame both sides setting buffering cotton opposite with bracket.
According to an embodiment of the present invention, wherein above-mentioned brake assembly uses hydraulic control, threeway is connected to by hydraulic total pump
Valve control is oriented to the hydraulic shunt pump braking of each wheel.
Compared with prior art, the application can be obtained including following technique effect：
1）Coordinate trailer body by chassis of trailer, form trailer main body frame, while drawing hook traction, avoids previous trailer
The trouble of structure bulky.
2）It is cooperated with tractor vehicle body by drawing chassis, row is at main body frame；Steering transmission linkage, which reduces, to be turned
To radius, the Turning travel of previous dome car is avoided to bother.
3）It is cooperated by tractor and trailer, draft gear traction avoids the driving safety fiber crops of previous dome car
It is tired.
Certainly, implementing any product of the application must be not necessarily required to reach all the above technique effect simultaneously.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is the dome car schematic diagram of the embodiment of the present application；
Fig. 2 is the draft gear schematic diagram of the embodiment of the present application；
Fig. 3 is the dome car tractor schematic diagram of the embodiment of the present application；
Fig. 4 is the front steering transmission device and rear steering transmission device scheme of installation of the embodiment of the present application；
Fig. 5 is the front steering transmission device schematic diagram of the embodiment of the present application；
Fig. 6 is the dome car trailer schematic diagram of the embodiment of the present application；
Fig. 7 is the chassis of trailer schematic diagram of the embodiment of the present application；
Fig. 8 is the traction hook schematic diagram of the embodiment of the present application.
Reference numeral
Tractor 10 draws chassis 11, wheel assembly 12 before tractor, and tractor rear wheel assembly 13 draws vehicle body 14, front steering
Transmission device 15, rear steering transmission device 16, transmission shaft 17, tractor-trailer 20, chassis of trailer 21, trailer front wheel assembly 22,
Trailer rear wheel assembly 23, trailer body 24, traction hook 25, draft gear 30, claw portion 151, fixed part 152, bilayer engaging
Portion 153, base plate 154, front rod 155, chassis head 211, front-wheel plate portion 212, chassis middle part 213, trailing wheel plate portion 214, bottom
Disk tail portion 215, pedal 216, vehicle window 241, grid 242 keep off beam slab 243, hold-down support 251, bottom bracket 252, lower pilot hole
253, bracket 254, upper pilot hole 255, axis of traction 256, traction bearing 310, draw beam 320, threading frame 330, support line bar
331, flank line bar 332, circular coil 333, the first width D 1, the second width D 2.
Specific implementation mode
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, thereby how the application is applied
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
It is the dome car schematic diagram of the embodiment of the present application please also refer to Fig. 1 and Fig. 2, Fig. 1；Fig. 2 is that the application is implemented
The draft gear schematic diagram of example.A kind of dome car includes tractor 10, and tractor 10 has power assembly；Pass through draft gear
The trailer 20 of 30 connection tractors 10, draft gear 30 include traction bearing 310；It is articulated in the draw beam of traction bearing 310
320；And it is installed on the threading frame 330 on draw beam 320；Wherein, threading frame 330 includes being vertically arranged in the support of draw beam 320
Line bar 331；The flank line bar 332 bent respectively to both sides from support line bar 331；And the circle being bent by flank line bar 332
Coil 333；And it is installed on the brake assembly of tractor 10 and trailer 20.In an embodiment of the present invention, dome car point
To have the tractor 10 of power with to take the trailer 20 of passenger, wherein tractor 10 connects trailer by draft gear 30
20, play stable drive, the function of safety traffic.Traction bearing 310 is fixed on 10 tail portion of tractor, is articulated with leading for high intensity
Draw beam 320, draw beam 320 increases compartment to connect the trailer 20 of follow-up dome car.And thread the support line bar of frame 330
The opposite flank line bar 332 extended in 331 support both sides, spacing is pulled open, and the circular coil 333 of formation wears cable, plays
The effect of winding displacement.Certainly, in order to increase a few section trailers 20, also can draft gear 30 be set in the tail portion of corresponding trailer 20 more, according to
Secondary traction.
Please refer to Fig.3 and Fig. 4, Fig. 3 be the embodiment of the present application dome car tractor schematic diagram；Fig. 4 is the application reality
Apply the front steering transmission device and rear steering transmission device scheme of installation of example.Tractor 10 includes traction chassis 11；Installation
Wheel assembly 12 and tractor rear wheel assembly 13 before the tractor of traction chassis 11；It is installed on the tractor of traction chassis 11
Body 14；The rear steering transmission device 16 of the front steering transmission device 15 and rear wheel assembly 13 of wheel assembly 12 before being respectively arranged at；With
And the transmission shaft 17 of two steering transmission linkages of connection, transmission shaft 17 are angularly disposed.In an embodiment of the present invention, row of going sightseeing
The tractor 10 of vehicle is used as headstock, needs control direction, ensures the effect of safety traffic.Draw chassis 11 and traction vehicle body 14
It cooperates, forms the main body frame of tractor 10, preceding wheel assembly 12 is turned to rear wheel assembly 13 and connected, and can be towed vehicle 10
Control realize power output.In addition, the front steering transmission device 15 and rear steering transmission by 17 oblique connection of transmission shaft fill
Set 16 can wheel assembly 12 and rear wheel assembly 13 before synchronous interaction, while controlling the steering of four-wheel, greatly reduce tractor 10
Turning radius, it is safer and stable.
Wheel assembly 12 includes the front-wheel main shaft of two front-wheels and steering two front-wheels of connection before tractor；Rear wheel assembly 13 includes two
Trailing wheel and the trailing wheel main shaft for turning to two trailing wheels of connection.The front-wheel of 12 both sides of preceding wheel body is mounted on by suspension on front-wheel main shaft,
Wheel body 13 similarly, uses the steering for completing front-wheel and trailing wheel afterwards, this attached drawing is conveniently painted, does not repeat herein.
Referring to FIG. 5, Fig. 5 is the front steering transmission device schematic diagram of the embodiment of the present application.Front steering transmission device 15 wraps
The claw portion 151 of wheel assembly 12 before being welded in is included, claw portion 151 has the fixed part 152 extended；It is articulated in fixed part
The 152 double-deck holding section 153；And it is fixed on the double-deck holding section 153 and the base plate 154 on the upside of preceding wheel assembly 12,
154 front end of middle base plate is pivotally connected transmission shaft 17, and rear end is bent downward is separately connected two front-wheels by front rod 155；Rear steering passes
Dynamic device 16 is identical as 15 structure of front steering transmission device and is oppositely arranged.In an embodiment of the present invention, claw portion 151 has
Spaced multiple claws, multiple claws are bonded front-wheel main shaft, close to contradict, and welding is stablized.Front end passes through the double-deck holding section 153
Clamping fixed part 152, while fixed pin is worn, play the role of pivot joint, the base being fixed on the double-deck holding section 153 can be convenient for
The deflection of seat board 154 is thus connected transmission shaft 17, and oblique deflection is convenient, stable direction.
Rear steering transmission device 16 is identical as 15 structure of front steering transmission device and is oppositely arranged.Front steering transmission device 15
On front-wheel main shaft, both sides connect adjacent front-wheel by front rod 155 respectively, when front-wheel is by dome car steering wheel
When driving turns to, front rod 155 drives front steering transmission device 15 to deflect with pulling.At this point, being similarly mounted on trailing wheel
Rear steering transmission device 16 on main shaft turns since angularly disposed transmission shaft 17 receives pullling for front steering transmission device 15
And back link can be driven so that trailing wheel follows front-wheel to link in the same direction, substantially reduces the turning radius of front-wheel, more for volume
For huge dome car, turn to more easy and convenient.
It is noted that 17 one end of transmission shaft is set to 15 left side of front steering transmission device；The other end turns after being set to
To 16 right side of transmission device.When one of base plate 154 rotate drive transmission shaft 17 when, pair so drive another base plate
154 rotations, stable transmission, it is convenient to turn to.
Next, referring to FIG. 6, Fig. 6 is the dome car trailer schematic diagram of the embodiment of the present application.Trailer 20 includes trailer
Chassis 21；It is set to the trailer front wheel assembly 22 of chassis of trailer 21；It is set to the trailer rear wheel assembly 23 of chassis of trailer 21；Installation
In the trailer body 24 of chassis of trailer 21；And it is installed on the traction hook 25 of 24 front end of trailer body；Wherein, trailer body 24
Vehicle window 241 to grid 242 is provided between chassis of trailer 21, the top of trailer body 24 has the gear beam slab extended around
243.In an embodiment of the present invention, chassis of trailer 21 supports trailer body 24, forms the main body frame of trailer 20, bottom
Preceding wheel assembly 22 can be travelled with rear wheel assembly 23 as the tractor 10 that traction hook 25 is connect drives, and carry passenger, safety
It is convenient.In addition, the 241 downside interval setting grid 242 of vehicle window of trailer body 24, can reduce complete vehicle quality, while dredging wind
Amount, cool and comfortable.243 sun-shading rain-proof of gear beam slab at top, it is simple in structure, it is easy to use.
Referring to FIG. 7, Fig. 7 is the chassis of trailer schematic diagram of the embodiment of the present application.Chassis of trailer 21 includes chassis head
211, in the middle part of the chassis of the front-wheel plate portion 212 on connecting base plate head 211, connection front-wheel plate portion 212 213 in the middle part of 213, connecting base plate
Trailing wheel plate portion 214, connection trailing wheel plate portion 214 chassis tail portion 215 and be installed on the pedal 216 of side；Wherein, front-wheel
Plate portion 212 with trailing wheel plate portion 214 there is the first width D 1, chassis head 211 to have with chassis tail portion 215 in the middle part of chassis 213
Second width D 2, the first width D 1 are less than the second width D 2；Wherein pedal 216 uses width 8cm, the square tube of thickness 4cm.At this
It invents in an embodiment, chassis of trailer 21 uses steel construction integrated die-casting, has the chassis head 211 for playing traction support,
It provides 213 in the middle part of the chassis of main bearing space, and draws the chassis tail portion 215 of follow-up trailer.Front-wheel plate portion 212 and rear wheel plate
214 width of portion is smaller, mainly facilitates wheel assembly 22 and rear wheel assembly 23 before being set in installation, including guarding, driving stability.Pedal
216 use width 8cm, the square tube of thickness 4cm, metal to make, and are welded in chassis, bearing capacity is strong, facilitates passenger loading.
Trailer front wheel assembly 22 installs front-wheel by front-axle beam and is fixed on front-wheel plate portion 212；Rear wheel assembly 23 is pacified by the back rest
Dress trailing wheel is fixed on trailing wheel plate portion 214.Preceding wheel assembly 22 is identical as 23 structure of rear wheel assembly, using plain shaft cock wheel tire, plays
The effect advanced and retreated, it is simple in structure without in addition addition transfer.
Next, referring to FIG. 8, Fig. 8 is the traction hook schematic diagram of the embodiment of the present application.Traction hook 25 includes installation
Hold-down support 251 in chassis head 211；It is set to the bottom bracket 252 of 251 downside of hold-down support, bottom bracket 252 is led under having
To hole 253；Bracket 254 positioned at 252 upside of bottom bracket, bracket 254 have upper pilot hole 255, wherein lower pilot hole 253
Aperture is less than 255 aperture of upper pilot hole；And pilot hole 255 is worn to the axis of traction 256 of lower pilot hole 253.In the present invention
In one embodiment, hold-down support 251 can be by welding or screw bolt reinforcing on earth in disc head portions 11, alignment front dome car
Tractor 10, provide through the invention traction hook 25 realize traction.Specifically, fixing bracket 251 has parallel set
The bracket 254 set and bottom bracket 252, both have concentric upper pilot hole 255 and lower pilot hole 253, use and wear
The fixed axis of traction 256 being inserted into, axis of traction 256 are arranged the draw beam 320 of Anterior crossbite vehicle 10, facilitate installation.It is led under and
It is set smaller than 255 aperture of upper pilot hole to 253 aperture of hole, stability is preferable, can also be conducive to the guide-localization of axis of traction 256.
It is noted that spacing 12cm ~ 18cm between upper pilot hole 255 and lower pilot hole 253, reserves sufficient range suspension traction
Beam 320, it is easy to use.
In addition, the both sides setting buffering cotton that bottom bracket 252 provided by the invention is opposite with bracket 254, can stablize branch
The draw beam 320 for supportting tractor 10, reduces the generation of noise, also avoids wearing, easy to use.
It is noted that the brake assembly of dome car provided by the invention uses hydraulic control, connected by hydraulic total pump
Logical triple valve control is oriented to the hydraulic shunt pump braking of each wheel, simple and practical.
Several preferred embodiments of the application have shown and described in above description, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection domain of appended claims.
Claims (9)
1. a kind of dome car, which is characterized in that including：
Tractor, the tractor have power assembly；
The trailer of the tractor is connected by draft gear, the draft gear includes traction bearing；It is articulated in the traction
The draw beam of bearing；And it is installed on the threading frame on the draw beam；Wherein, the threading frame includes being vertically arranged in the traction
The support line bar of beam；The flank line bar bent respectively to both sides from the support line bar；And by flank line bar bending
Circular coil；And
It is installed on the brake assembly of the tractor and the trailer.
2. dome car according to claim 1, which is characterized in that the wherein described tractor includes traction chassis；Peace
Preceding wheel assembly and rear wheel assembly loaded on the traction chassis；It is installed on the traction vehicle body of the traction chassis；It sets respectively
It is placed in the front steering transmission device of the preceding wheel assembly and the rear steering transmission device of the rear wheel assembly；And connection two turns
To the transmission shaft of transmission device, the transmission shaft is angularly disposed.
3. dome car according to claim 2, which is characterized in that the wherein described front steering transmission device includes being welded in
The claw portion of the preceding wheel assembly, the claw portion have the fixed part extended；It is articulated in the double-deck card of the fixed part
Conjunction portion；And it is fixed on the double-deck holding section and the base plate on the upside of the preceding wheel assembly, wherein before the base plate
End is pivotally connected the transmission shaft, and rear end is bent downward is separately connected two front-wheels by front rod；The rear steering transmission device and institute
It is identical and be oppositely arranged to state front steering transmission structures.
4. dome car according to claim 3, which is characterized in that wherein described transmission shaft one end is set to the forward
On the left of to transmission device；The other end is set on the right side of the rear steering transmission device.
5. dome car according to claim 1, which is characterized in that the wherein described trailer includes chassis of trailer；It is set to
The preceding wheel assembly of the chassis of trailer；It is set to the rear wheel assembly of the chassis of trailer；It is installed on the trailer of the chassis of trailer
Vehicle body；And it is installed on the traction hook of the trailer body front end；Wherein, the vehicle window of the trailer body is to the trailer bottom
Grid is provided between disk, the top of the trailer body has the gear beam slab extended around.
6. dome car according to claim 5, which is characterized in that the wherein described chassis of trailer includes chassis head, connects
It connects the front-wheel plate portion on the chassis head, connect the rear wheel plate in the middle part of the chassis of the front-wheel plate portion, in the middle part of the connection chassis
Portion, the chassis tail portion for connecting the trailing wheel plate portion and the pedal for being installed on side；Wherein, the front-wheel plate portion with it is described after
Taking turns plate portion has the first width, and the chassis head has the second width in the middle part of the chassis with the chassis tail portion, described
First width is less than second width；The wherein described pedal uses width 8cm, the square tube of thickness 4cm.
7. dome car according to claim 6, which is characterized in that the wherein described traction hook includes being installed on the bottom
The hold-down support of disc head portions；The bottom bracket being set on the downside of the hold-down support, the bottom bracket have lower pilot hole；Positioned at institute
The bracket on the upside of bottom bracket is stated, the bracket has upper pilot hole, is led wherein the lower pilot hole aperture is less than on described
To hole aperture；And the upper pilot hole is worn to the axis of traction of the lower pilot hole.
8. dome car according to claim 7, which is characterized in that the wherein described upper pilot hole and the lower pilot hole it
Between spacing 12cm ~ 18cm；The bottom bracket both sides setting buffering cotton opposite with the bracket.
9. dome car according to claim 1, which is characterized in that the wherein described brake assembly uses hydraulic control, by
Hydraulic total pump is connected to the hydraulic shunt pump braking that triple valve control is oriented to each wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810513028.3A CN108622217A (en) | 2018-05-25 | 2018-05-25 | A kind of dome car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810513028.3A CN108622217A (en) | 2018-05-25 | 2018-05-25 | A kind of dome car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108622217A true CN108622217A (en) | 2018-10-09 |
Family
ID=63690512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810513028.3A Withdrawn CN108622217A (en) | 2018-05-25 | 2018-05-25 | A kind of dome car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108622217A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204587A (en) * | 2018-10-27 | 2019-01-15 | 华强方特（芜湖）文化科技有限公司 | A kind of amusement park Sightseeing Bus |
| CN114394165A (en) * | 2021-12-27 | 2022-04-26 | 芜湖市宝艺游乐科技设备有限公司 | Tractor type sightseeing small train |
-
2018
- 2018-05-25 CN CN201810513028.3A patent/CN108622217A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204587A (en) * | 2018-10-27 | 2019-01-15 | 华强方特（芜湖）文化科技有限公司 | A kind of amusement park Sightseeing Bus |
| CN114394165A (en) * | 2021-12-27 | 2022-04-26 | 芜湖市宝艺游乐科技设备有限公司 | Tractor type sightseeing small train |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181009 |