CN207389395U - Formula of lying bicycle - Google Patents

Formula of lying bicycle Download PDF

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Publication number
CN207389395U
CN207389395U CN201721220954.9U CN201721220954U CN207389395U CN 207389395 U CN207389395 U CN 207389395U CN 201721220954 U CN201721220954 U CN 201721220954U CN 207389395 U CN207389395 U CN 207389395U
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CN
China
Prior art keywords
bicycle
wheel
backrest
handlebar
formula
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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.)
Expired - Fee Related
Application number
CN201721220954.9U
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Chinese (zh)
Inventor
潘京良
张敏
沈精虎
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Qingdao University
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Qingdao University
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Priority to CN201721220954.9U priority Critical patent/CN207389395U/en
Application granted granted Critical
Publication of CN207389395U publication Critical patent/CN207389395U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses formula bicycle of lying, behavioral system is arranged to front-wheel, the wheel group of trailing wheel composition;Car body includes vehicle frame, handlebar and seat, and vehicle frame is arranged to the structure that lateral frame and longitudinal support are formed by connecting in 71 ° of angles;The backrest of seat is flexibly connected with pedestal by shaft, and the back of backrest is provided with umbrella rod structure by the center axis connection of supporting rack and trailing wheel between headrest and backrest;The brake lever of braking system is connected by brake cable with front and rear brake device;Transmission system includes pedal, crank, axis, sprocket wheel, chain and flywheel, and the pedal force for rotating pedal is transferred to by crank, sprocket wheel on flywheel and trailing wheel, and driving bicycle advances.Seat can be adjusted freely, adapt to the group of different heights.Meet human body requirement, can meet can undertake human body weight, in turn ensure comfort level during people's riding, and speed is fast;Fashion is novel, and comfort is good, and braking effect is good, safety, it is not easy to fall down injuries.

Description

Formula of lying bicycle
Technical field
The utility model belongs to bicycle equipment technical field, and in particular to formula of lying bicycle.
Background technology
Existing recumbent bicycle seat adjustable range is small, and the prior art can not flexibly adjust seat, can not adapt to difference The demand of crowd.
The structure of ordinary bicycle includes handlebar, vehicle frame, front and back wheel [including front and rear shaft member, spoke, wheel rim, wheel Tire], front fork, saddle, sprocket wheel, chain, axis, flywheel, crank, pedal, brake (brake), car light, bicycle bell, reflection unit Deng.Recumbent bicycle is as new bicycle, there are many differences compared with standard bicycle, but the standard of ordinary bicycle (national standard, professional standard) still has very big reference value, therefore with the part of standards of ordinary bicycle in the application As recumbent bicycle design standard.Standard is used in patent to be had:QB/T1775-1993 bicycle handle bars, QB1880-2008 is certainly Driving vehicle frame, QB1881-2008 bicycle front forks, the common front axle of QB/T1883-1993 bicycles and rear axle, GB/T7377- 2008 cycle tyres series, QB/T1885-1993 bicycle chainwheels and crank etc..
Recumbent bicycle has the advantages that not available for many standard bicycles as new bicycle, but simultaneously because Its development time is short, also has not perfect place to need to improve.Recumbent bicycle has the disadvantage that:Vehicle body is too low, close to automobile Shi Rongyi has vehicle exhaust.It easily gives rise to misunderstanding, due to being semi-lying type design, deformity can be thought as to its uncomprehending people People's special-purpose vehicle.Flexibility compares standard bicycle with balance can be a bit weaker.
In the design process, bicycle critical size refer to influence mechanism performance key dimension, one design often without Method meets proprietary requirement, can only be designed according to the human dimension of some people, then allow certain variable, to expire Other Man's Demands of foot.The human dimension to be referred in the design.It is final to determine that percentage is used, which to be used as 95 data, to be set Then the foundation of human dimension during meter allows certain dimensional variations to adapt to the requirement of different crowd.
The defects of standard bicycle is due to structure, windage is big when riding, comfort is poor, center of gravity is high, the driver visual field is poor, therefore It to be improved from structure.Recumbent bicycle is divided into two kinds of structures of front driving type and rear-guard formula.Rear-guard formula is lain formula bicycle Maneuverability is good, turns to the road for flexibly, adapting to various complexity, but chain is long, and transmission system is complicated, and effective power loss is big. The design is transformed based on being directed to existing rear-guard formula bicycle, is directed to developing a kind of rear-guard and is lain formula two-wheel voluntarily Vehicle.
Due to being that just secondary design is lacked experience, cause once to occur many structure problems in the design process and size is asked Topic, is in particular in:
1st, body frame structure for automotive is definite, and vehicle frame is the soul of bicycle, should consider whether the structure of vehicle frame is reasonable in design, Consider whether the size of vehicle frame meets the requirements again.Incomplete in related data, it is in a rush to cause, and can not take out One very rational scheme.
2nd, the size of each parts is selected according to standard, since dimensional parameters are varied, therefrom to select to meet the requirements Size be very difficult, especially on the premise of sizes can reach requirement, select it is more difficult.
3rd, how the structure design of seat reaches expected requirement, and compact-sized reasonable, comfortable, meets simultaneously What the requirement of human dimension and needs turned over.
4th, how the connectivity problem of seat and vehicle frame allows seat to realize the step-less adjustment on vehicle frame and is fixed, wrap It includes the adjusting of backrest angle and fixation problem is all difficult point in design process.
5th, to adapt to different crowd, the distance of pedal to vehicle seat can be adjusted, this can cause the position of sprocket wheel to occur Change, so as to change the tightness of chain, the landing of chain is susceptible to when excessively loose, how to ensure that the tightness of chain is fitted In be design in another it is big the problem of.
6th, the modeling of part, numerous parts are complicated changeable, how to be designed its structure well with software And with software modeling it is very difficult.
Difficulty encountered in the design process of entire bicycle is diversified, how to overcome more than what time ask Topic, a novel lying type bicycle of research and development department have important practical significance.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide formula bicycles of lying.
Ergonomics is to study the subject to interact between people, machine and its working environment.In the knot of recumbent bicycle In structure design, the cooperation between occupant and bicycle is considered, it is desirable that recumbent bicycle design meets structoure of the human body, during seating Safety and comfort, therefore to consider ergonomics.
The technical solution that the utility model is taken is:
Formula of lying bicycle, including including car body, behavioral system, braking system and transmission system, the behavioral system Front-wheel, the wheel group of trailing wheel composition are arranged to, the diameter of front-wheel is less than the diameter of trailing wheel;
The car body includes vehicle frame, handlebar and seat, and vehicle frame is arranged to lateral frame and longitudinal support is formed by connecting in 71 ° of angles Structure, the bottom of longitudinal support, the rear end of lateral frame connected respectively by front fork, back vent and front-wheel, trailing wheel, the top of longitudinal support It is provided with handlebar;
Seat includes headrest, backrest, pedestal, and backrest is flexibly connected with pedestal by shaft, and the back of backrest passes through support The center axis connection of frame and trailing wheel, backrest rotate adjustment backrest angle, umbrella rod structure are provided between headrest and backrest around the shaft, The distance between headrest and backrest are adjusted by umbrella stem;Pedestal is fixed on by link on lateral frame;
Braking system includes brake lever, front and rear brake device, brake cable composition, and brake lever is connected by brake cable with front and rear brake device;It passes Dynamic system includes pedal, crank, axis, sprocket wheel, chain and flywheel, and axis prolongs along the front end of lateral frame to the front end of front-wheel Setting to be stretched, flywheel is provided on axis, the both sides of axis are respectively arranged with left and right crank, pedal are provided on the crank of left and right, after Sprocket wheel is provided on the central shaft of wheel, chain is set on flywheel and sprocket wheel, and the pedal force for rotating pedal is passed by crank, sprocket wheel It is delivered on flywheel and trailing wheel, driving bicycle advances.
Further, the handlebar is handle riser and structure that transverse tube is formed by connecting, both sides shape of the handlebar along car body Into the handlebar arm of symmetrical door shape.
Further, the bottom of the pedestal is provided with cuboid convex block, and the upper end of link offers convex with cuboid The concave card slot that block is mutually clamped, cuboid convex block are fastened in concave card slot.
Further, the lower end of the link offers engaging chamber, and the cross section for engaging chamber is arranged to oval empty The hollow cavity that chamber is connected with square cavity;The width of square cavity is less than the width of oblong cavity, and link passes through Engaging chamber is fixedly mounted on the lateral frame of vehicle frame.
Further, the backrest of the seat and headrest are disposed with air bag and beam from inside to outside, beam and Inner wall that air bag contacts with each other is interlaced to be provided with hemispherical groove and hemispherical projections.
Further, the beam is arranged to vibration absorption unit and equidistantly arranges the structure formed, and vibration absorption unit is set For the cylinder foam-rubber cushion of outside sheathed spring.
Further, the vehicle frame uses the detachable structure that chrome molybdenum steel material is prepared;Handlebar uses aluminium alloy material Material is prepared;The end set of handlebar has handlebar grip prepared by rubber material.
Further, the chain is inner plate, outer plate, roller, sleeve and axis pin are connected with each other the structure formed, pin The contact surface of axis and sleeve sets taper wear-resistant block.
The beneficial effects of the utility model are:
Seat can be adjusted freely in the utility model, and backrest can adjust angle, and the utility model is adapted to difference The group of height.Can meet the needs of different crowd.The structure of car body is closely connected with front and back wheel, meets human body requirement, Can meet can undertake human body weight, in turn ensure comfort level during people's riding, have some strength and compressive resistance, and meeting the service life will Ask, driving safety requirement, craftsmanship intensity requirement, a variety of requirements such as maximum allowable burden requirement and cost requirement.
The advantages of recumbent bicycle:
Speed is fast, rides due to lying on the back, and shoulder back is had an effect as supporting point convenient for foot.
Fashion is novel, with the difference of ordinary bicycle structure it is made to give people a kind of fresh and new sensation.
Comfort is good, and compared to the saddle of relatively narrower, the seat design of semi-lying makes one more comfortably to loosen.
Braking effect is more preferable, comfortable riding posture, the center of gravity moved afterwards so that braking effect is also superior to vertical type voluntarily Vehicle.
Safety, vehicle body center of gravity are relatively low, it is not easy to fall down injuries.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structure diagram of seat in the utility model.
Fig. 3 is the cross section structure schematic diagram of link in the utility model.
Wherein, 1, front-wheel;2nd, pedal;3rd, crank;4th, flywheel;5th, lateral frame;6th, longitudinal support;7th, handlebar;8th, handle;9th, bottom Seat;10th, backrest;11st, rest the head on;12nd, supporting rack;13rd, trailing wheel;14th, back vent;15th, link;16th, front fork;17th, concave card Slot;18th, chamber is engaged.
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
Embodiment 1
As depicted in figs. 1 and 2, formula of lying bicycle, including including car body, behavioral system, braking system and power train System, recumbent bicycle adjust 30 ° or so from 17kg or so, maximum capacity is focused in 120kg or so, seat back angle, and leg is long Scope 850mm-1150mm, Human Height is between 1500mm-1900mm.
The behavioral system is arranged to front-wheel, the wheel group of trailing wheel composition, and the diameter of front-wheel is less than the diameter of trailing wheel;
On the one hand wheel bears total weight of the bicycle with bicyclist in itself, another aspect wheel rotation forces bicycle Advance and turn to, therefore wheel there must be enough intensity.In addition car wheel structure will have appropriate elasticity, to enhance shock-absorbing, Improve the comfort level of bicyclist.
The car body includes vehicle frame, handlebar and seat, and vehicle frame is arranged to lateral frame and longitudinal support is formed by connecting in 71 ° of angles Structure, the bottom of longitudinal support, the rear end of lateral frame connected respectively by front fork, back vent and front-wheel, trailing wheel, avoids stressing conditions Belong to cantilever beam property, front wheels and rear wheels are attached by front fork, back vent, provide enough intensity.
Vehicle frame is the major part of bicycle, bears the total weight of cyclist, and the front and rear part of vehicle frame will have centainly Rigidity and elasticity, just can guarantee that bicycle can be travelled smoothly on different roads.
In the structure of bicycle, the size of standpipe angle determines that the position of centre-of-gravity and output effect, angle are got over Greatly, i.e., standpipe is more past leans forward, and riding speed is faster.It is 71 ° to choose angle, is suitble to the design of recumbent bicycle, makes bicycle Speed is moderate, ensures riding safety.
Vehicle frame uses the detachable structure that chrome molybdenum steel material is prepared;Existing unicity Integral frame is meeting by force On the basis of degree requirement, the problem of seat adjusts can not be met, body frame structure for automotive is arranged to detachable structure, seat position can be solved The mobility problem and seat put and the connection of vehicle frame.
Bicycle handle bar controls the travel direction of bicycle, its flexibility of manipulation and the length of handlebar and height have Relation.The top of longitudinal support is provided with handlebar;Handlebar is prepared using aluminum alloy materials;The end set of handlebar has rubber material Expect the handlebar grip prepared, improve comforts of use.Vehicle frame the selection of material is chrome-molybdenum steel, and chrome-molybdenum steel is traditional sturdy and durable Class steel, feature are that tube wall is thin, light-weight, intensity is high.Prolong the service life.
Seat includes headrest, backrest, pedestal, and backrest is flexibly connected with pedestal by shaft, and the back of backrest passes through support The center axis connection of frame and trailing wheel, backrest rotate adjustment backrest angle, umbrella rod structure are provided between headrest and backrest around the shaft, The distance between headrest and backrest are adjusted by umbrella stem;Pedestal is fixed on by link on lateral frame;
Recumbent bicycle seat has larger difference with ordinary bicycle seat, and structure is similar to automotive seat.Installation Human dimension is designed, therefore when riding, rider can be with unrestricted choice backrest angle.Pass through umbrella stem between headrest and backrest Distance therebetween is adjusted, improves the comfort level of bicycle.Seat material selects aluminium alloy.Service life is long.
Braking system includes brake lever, front and rear brake device, brake cable composition, and brake lever is connected by brake cable with front and rear brake device;It is logical Hand manipulations brake lever control front and rear brake device is crossed, so as to fulfill the braking to bicycle, ensures the requirement for reaching braking ability conscientiously To improve the security of recumbent bicycle.
Transmission system include pedal, crank, axis, sprocket wheel, chain and flywheel, axis along the front end of lateral frame forward The front end of wheel is extended, and flywheel is provided on axis, and the both sides of axis are respectively arranged with left and right crank, is the power that will be translatable The device of rotatory force is converted into, pedal is provided on the crank of left and right, sprocket wheel is provided on the central shaft of trailing wheel, chain is set in winged On wheel and sprocket wheel, the pedal force for rotating pedal is transferred to by crank, sprocket wheel on flywheel and trailing wheel, and driving bicycle advances.
Chain is mounted on sprocket wheel and flywheel, and flywheel and sprocket wheel keep same plane, on rear axle, by chain with Sprocket wheel is connected, and forms the drive system of bicycle.Flywheel can be divided into two class of single freewheel and multistage flying wheel from structure.At this Due to simple in structure in design, selection single freewheel, single-stage sprocket wheel.Single freewheel is also known as single sprocket chain piece flywheel, mainly by outer Set, flat gear and fuse, very heavy, very heavy spring, washer, silk keep off the parts such as several steel balls composition.Its operation principle:Step forward it is foot-operated, Chain-driving flywheel rotates forward, and at this moment flywheel internal tooth mutually contains with very heavy, and the rotatory force of flywheel passes to fuse, fuse by very heavy Rear axle and rear wheel, bicycle is driven just to advance.Stopping steps foot pedal, and chain and housing do not rotate, but trailing wheel is used Property effect under still drive fuse and very heavy rotate forward.When reversely stepping foot-operated, housing rotates backward, and can accelerate very heavy It slides, obtains " clatter clatter " sound more rapid.Its effect is to be transferred to pedal force on flywheel and trailing wheel by crank, sprocket wheel, is driven Bicycle advances.
Chain is inner plate, outer plate, roller, sleeve and the structure that forms of axis pin interconnection, and axis pin and sleeve connect Contacting surface sets taper wear-resistant block.8-shaped is made in outer plate in bicycle chain, makes its each section strong with close tension Degree, while decrease the quality of chain and the inertia force of movement.
Embodiment 2
On the basis of embodiment 1, different from embodiment 1, handlebar is handle riser and structure that transverse tube is formed by connecting, vehicle The handlebar arm that symmetrical door shape is formed along the both sides of car body.The handle of handlebar is in the angle setting close to 90 ° downwards, is protected It has demonstrate,proved people to lie on the seat to the comfort level of handle manipulation, has improved the accuracy of manipulation.
As shown in figure 3, the bottom of pedestal is provided with cuboid convex block, the upper end of link offers and cuboid convex block phase The concave card slot mutually engaged, cuboid convex block are fastened in concave card slot.The lower end of link offers engaging chamber, The cross section of engaging chamber is arranged to the hollow cavity that oblong cavity is connected with square cavity;The width of square cavity is less than The width of oblong cavity, link are fixedly mounted on by engaging chamber on the lateral frame of vehicle frame.
The structure novel of link is fixed by the card slot and pedestal of upper end, the card slot of link and the bottom of pedestal Protrusion is bonded to each other, and avoids being shifted over phenomenon;Link is fixed by the engaging chamber of lower end and the lateral frame of vehicle frame, square sky Chamber plays transitional function, and the inner wall of oblong cavity and the lateral frame of vehicle frame are bonded to each other, while the corresponding side plate of square cavity It is fastened by bolts, pedestal is avoided to be moved left and right along the lateral frame of vehicle frame, link carries out pedestal with vehicle frame good solid It is fixed, it ensure that the positional stability of seat in ride, ensure riding safety.
The backrest and headrest of seat are disposed with air bag and beam from inside to outside, what beam and air bag contacted with each other Inner wall is interlaced to be provided with hemispherical groove and hemispherical projections, and beam is arranged to vibration absorption unit and equidistantly arranges what is formed Structure, vibration absorption unit are arranged to the cylinder foam-rubber cushion of outside sheathed spring.The setting of beam improves the work of damping, buffering With when it is subject to certain pressure to jolt, the vibration absorption unit of spring and foam-rubber cushion composition plays first layer damping protection, simultaneously Air bag is transmitted the force to, can fully alleviate jolting in ride using the elasticity of air bag itself, be provided for bicyclist defeated The seat environment sent is conducive to extend and ride the time, reduces fatigue strength of riding.
The above is not the limitation to the utility model, it should be pointed out that:For the ordinary skill people of the art For member, on the premise of the utility model in essence scope is not departed from, several variations, modifications, additions or substitutions can also be made, These improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (8)

1. formula of lying bicycle, which is characterized in that including car body, behavioral system, braking system and transmission system, the action System is arranged to front-wheel, the wheel group of trailing wheel composition, and the diameter of front-wheel is less than the diameter of trailing wheel;
The car body includes vehicle frame, handlebar and seat, and vehicle frame is arranged to the knot that lateral frame and longitudinal support are formed by connecting in 71 ° of angles Structure, the bottom of longitudinal support, the rear end of lateral frame are connected respectively by front fork, back vent and front-wheel, trailing wheel, and the top of longitudinal support is set There is handlebar;
Seat includes headrest, backrest, pedestal, and backrest is flexibly connected with pedestal by shaft, the back of backrest by supporting rack with The center axis connection of trailing wheel, backrest rotate adjustment backrest angle, are provided with umbrella rod structure between headrest and backrest, pass through around the shaft Umbrella stem adjusts the distance between headrest and backrest;Pedestal is fixed on by link on lateral frame;
Braking system includes brake lever, front and rear brake device, brake cable composition, and brake lever is connected by brake cable with front and rear brake device;Power train System includes pedal, crank, axis, sprocket wheel, chain and flywheel, and front end extension of the axis along the front end of lateral frame to front-wheel is set It puts, flywheel is provided on axis, the both sides of axis are respectively arranged with left and right crank, pedal is provided on the crank of left and right, trailing wheel Sprocket wheel is provided on central shaft, chain is set on flywheel and sprocket wheel, and the pedal force for rotating pedal is transferred to by crank, sprocket wheel On flywheel and trailing wheel, driving bicycle advances.
2. formula of lying according to claim 1 bicycle, which is characterized in that the handlebar connects for handle riser with transverse tube The structure formed, the both sides of handlebar along car body form the handlebar arm of symmetrical door shape.
3. formula of lying according to claim 1 bicycle, which is characterized in that it is convex that the bottom of the pedestal is provided with cuboid Block, the upper end of link offer the concave card slot being mutually clamped with cuboid convex block, and cuboid convex block is fastened on " recessed " In font card slot.
4. formula of lying according to claim 3 bicycle, which is characterized in that the lower end of the link offers engaging Chamber, the cross section for engaging chamber are arranged to the hollow cavity that oblong cavity is connected with square cavity;The width of square cavity Less than the width of oblong cavity, link is fixedly mounted on by engaging chamber on the lateral frame of vehicle frame.
5. formula of lying according to claim 1 bicycle, which is characterized in that the backrest and headrest of the seat are from inside to outside Air bag and beam are disposed with, the inner wall that beam and air bag contact with each other is interlaced to be provided with hemispherical groove and half Hemisphere jut.
6. formula of lying according to claim 5 bicycle, which is characterized in that the beam is arranged between vibration absorption unit etc. Away from the structure that arrangement forms, vibration absorption unit is arranged to the cylinder foam-rubber cushion of outside sheathed spring.
7. formula of lying according to claim 1 bicycle, which is characterized in that the vehicle frame using chrome molybdenum steel material prepare and Into detachable structure;Handlebar is prepared using aluminum alloy materials;The end set of handlebar has handlebar prepared by rubber material Set.
8. formula of lying according to claim 1 bicycle, which is characterized in that the chain is inner plate, outer plate, rolling The contact surface of the structure that son, sleeve and axis pin interconnection form, axis pin and sleeve sets taper wear-resistant block.
CN201721220954.9U 2017-09-21 2017-09-21 Formula of lying bicycle Expired - Fee Related CN207389395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721220954.9U CN207389395U (en) 2017-09-21 2017-09-21 Formula of lying bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721220954.9U CN207389395U (en) 2017-09-21 2017-09-21 Formula of lying bicycle

Publications (1)

Publication Number Publication Date
CN207389395U true CN207389395U (en) 2018-05-22

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ID=62404886

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721220954.9U Expired - Fee Related CN207389395U (en) 2017-09-21 2017-09-21 Formula of lying bicycle

Country Status (1)

Country Link
CN (1) CN207389395U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112874685A (en) * 2021-04-06 2021-06-01 陈高峰 Independent double-rear-wheel comfortable long-distance bicycle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112874685A (en) * 2021-04-06 2021-06-01 陈高峰 Independent double-rear-wheel comfortable long-distance bicycle
CN112874685B (en) * 2021-04-06 2023-05-16 陈高峰 Comfortable long-distance bicycle with independent double rear wheels

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180522

Termination date: 20180921