CN206679182U - A kind of Modified type bicycle drive system - Google Patents
A kind of Modified type bicycle drive system Download PDFInfo
- Publication number
- CN206679182U CN206679182U CN201621188955.5U CN201621188955U CN206679182U CN 206679182 U CN206679182 U CN 206679182U CN 201621188955 U CN201621188955 U CN 201621188955U CN 206679182 U CN206679182 U CN 206679182U
- Authority
- CN
- China
- Prior art keywords
- gear
- steel loop
- drive system
- arc
- power transmission
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model provides a kind of Modified type bicycle drive system, drive system includes the drive gear assemblies being arranged on power transmission shaft, drive gear assemblies include bearing block, the side of bearing block is provided with the steel loop of outside projection in a ring, the inside cambered surface of steel loop is provided with the arc that radian is engaged with cambered surface inside steel loop, arc connects power transmission shaft by kinematic link component, and arc is two groups, and is arranged in into symmetric mode on steel loop.The system solves the problems, such as to scrunch dead angle first well, with reference to ergonomics, using the technology of secondary driving, when people are in ride, when step tread turns to the angle, using the cooperation of eccentric roller, the position for scrunching dead angle is changed, is gradually increased thrust automatically, be transitioned into people's the most comfortable always scrunches angle, and weak angle hexagonal angle is easiest to, drive efficiency is improved, more than 60% is lifted than existing conventional ADS driving mode.
Description
Technical field
It the utility model is related to bicycle actuation techniques field, more particularly to a kind of driving disc apparatus, in particular to one kind
Modified type bicycle drive system.
Background technology
It is well known that although China is not the utility model country of bicycle, bicycle is that owning amount is most in the world
More countries.
With continuous pursuit of the people to health, some body-building, some plays ball, the running that has etc., and what is also had rides voluntarily
Car, but increasing people likes cycling, Green Travel, reduces discharge capacity.
Current bicycle always has that an angle is very painstaking during scrunching in people's ride, i.e., so-called
Dead angle is scrunched up and down in two 30 ° of angular regions, whenever moving in this angular range, people need with larger power drive disk
Scrunched, bicycle could be caused to continue to keep certain speed to advance.
Applicant has applied for the utility model patent of entitled " a kind of bicycle drive train system " on January 13rd, 2016,
Its Publication No. " CN105667691A ", through overtesting, the patent has preferably driving effect, but unique undesirable
It is in use, there are some abnormal sounds in some angle, be not perfect product although not influenceing to drive.
Utility model content
The technical problems to be solved in the utility model is the weak point present in prior art, there is provided one kind is improved
Type bicycle drive train is united, and the system solves the problems, such as to scrunch dead angle first well, secondary with reference to ergonomics, use
The technology of driving, when people are in ride, and step tread turns to the angle, using the cooperation of eccentric roller, it will pedal
The position for riding dead angle is changed, and is gradually increased thrust automatically, is transitioned into the angle that scrunches of people's the most comfortable always, and is easiest to
Weak angle hexagonal angle, improves drive efficiency, more than 60% is lifted than existing conventional ADS driving mode, in addition, this patent Shen
Please also there is preferable muting function, while higher driving force is not only provided, human body sensory effect is preferable.
Technical solution of the present utility model is to provide a kind of following Modified type bicycle drive system, the driving
System includes the drive gear assemblies being arranged on power transmission shaft, and the drive gear assemblies include bearing block, the bearing block
Side is provided with the steel loop of outside projection in a ring, and the inside cambered surface of the steel loop is provided with radian and matched with cambered surface inside steel loop
The arc of conjunction, the arc connect power transmission shaft by kinematic link component, and the arc is two groups, and into symmetric mode cloth
Put on steel loop.
Preferably, the transmission bar assembly includes arm-tie, the arm-tie is arranged on the one end of arc away from bearing block,
Arc top direction protrusion direction extension of the arm-tie along arc, by being extended at the top of steel loop outside bearing block.
Preferably, the one end of the arm-tie away from arc is connected with one end of the second connecting plate by pin, it is described
The other end of second connecting plate is connected with one end of the first connecting plate by pin, and the another of the first connecting plate is terminated with drive shaft
Disk, the driving reel are arranged on the side that bearing block is provided with steel loop.
Arm-tie is caused to be bonded the magnetic being arranged on steel loop preferably, the position closed on the arm-tie with steel loop is provided with
Iron, second connecting plate carry kink, and the angle that the second connecting plate of the kink both sides is formed is 120-160 ° of angle.
Preferably, the driving reel includes the installation portion that center is set, be arranged with installation portion two to
The raised actuating arm of outside extension, the actuating arm are connected by pin axle with the first connecting plate.
Preferably, the pin axle between the actuating arm that first connecting plate and drive disk both ends are respectively equipped with is provided with
Torsion spring, the installation portion connection on one end and drive disk of the torsion spring, the other end of the torsion spring and setting
Catch spring pin connection on the first connecting plate, the torsion spring are two groups and are symmetrical arranged.
Preferably, the endoporus of the bearing block is provided with rolling bearing, eccentric bushing is provided with the hole of the rolling bearing,
Needle bearing is provided with the hole of the eccentric bushing.
Preferably, also including the transmission component being arranged on power transmission shaft, the transmission component includes setting bearing block another
The toothed disc of side, the built-in gear disk are annular, and the inner ring axial end of the built-in gear disk is provided with internal gear, institute
State and gear be additionally provided with power transmission shaft, the gear is located in the looping pit inside built-in gear disk, and the external tooth of gear with it is built-in
The internal gear of toothed disc coordinates.
Preferably, gear drive set is additionally provided with the power transmission shaft of one side of the described gear away from bearing block, it is described
Gear drive set is small for both ends diameter dimension, the big sleeve body of mid diameter size, between the gear drive set and power transmission shaft
Provided with rolling bearing.
Preferably, side of the axle drive sleeve away from driving reel is set with sprocket wheel, also it is set with the power transmission shaft
There is cylinder, the drive gear assemblies and gear-driven assembly are arranged in cylinder, close to the one of driving reel on the cylinder
Side is connected provided with ring flange A, the ring flange A by screw with cylinder, and the eccentric bushing is provided with for mounting flange B's
Bent plate, the ring flange A and ring flange B are provided with bearing with transmission shaft connection place, and the power transmission shaft is provided with foot-driven lever, the pin
Treadle end is connected to pedal, is connected by screw between built-in gear disk and bearing block.
Using the beneficial effect of technical scheme：The system solves the problems, such as to scrunch dead angle first well, with reference to human body
Engineering science, using the technology of secondary driving, when people are in ride, and step tread turns to the angle, utilize bias
The cooperation of roller, the position for scrunching dead angle is changed, be gradually increased thrust automatically, be transitioned into pedaling for people's the most comfortable always
Step on angle, and be easiest to weak angle hexagonal angle, improve drive efficiency, than existing conventional ADS driving mode lifted 60% with
On, in addition, present patent application also has preferable muting function, while higher driving force is not only provided, people's body-sensing
Feel that effect is preferable.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of drive system.
Fig. 2 is the structural representation that foot-driven lever is in optimal sticking point.
Fig. 3 is that foot-driven lever is in the structural representation scrunched at dead angle
Fig. 4 is drive gear assemblies decomposition texture schematic diagram.
Shown in figure：1st, power transmission shaft, 2, built-in gear disk, 3, bearing block, 4, rolling bearing, 5, eccentric bushing, 6, needle shaft
Hold, 7, steel loop, 8, driving reel, 8.1, annulus part, 8.2, actuating arm, 9, torsion spring, 9.1, catch spring pin, 10, gear, 11,
Gear drive set, 12, sprocket wheel, 13, cylinder, 14, ring flange A, 15, ring flange B, 16, bent plate, 17, foot-driven lever, 18, pedal,
19th, magnet, 20, arc, 21, arm-tie, the 22, first connecting plate, the 23, second connecting plate, 24, pin axle.
Embodiment
For purposes of illustration only, below in conjunction with the accompanying drawings, the Modified type bicycle drive system of utility model is elaborated.
Shown in as shown in Figure 1 to Figure 4, a kind of Modified type bicycle drive system, the drive system includes being arranged on transmission
Drive gear assemblies on axle 1, the drive gear assemblies include bearing block 3, and the side of the bearing block 3 is provided with outside
Raised steel loop 7 in a ring, the inside cambered surface of the steel loop 7 are provided with the arc 20 that radian is engaged with the inside cambered surface of steel loop 7,
The arc 20 connects power transmission shaft 1 by kinematic link component, and the arc 20 is two groups, and is arranged in steel into symmetric mode
On ring 7；The transmission bar assembly includes arm-tie 21, and the arm-tie 21 is arranged on the one end of arc 20 away from bearing block 3, described
Arc top direction protrusion direction extension of the arm-tie 21 along arc 20, is extended to outside bearing block 3 by the top of steel loop 7；It is described
The one end of arm-tie 21 away from arc 20 is connected to one end of the second connecting plate 23 by pin axle 24, second connecting plate 23
The other end is connected to one end of the first connecting plate 22 by pin axle 24, and the another of the first connecting plate 22 is terminated with drive shaft disk 8, institute
State driving reel 8 and be arranged on the side that bearing block 3 is provided with steel loop 7；The position closed on the arm-tie 21 with steel loop 7, which is provided with, to be caused
Arm-tie 21, which is bonded, is arranged on magnet 19 on steel loop 7, and second connecting plate 23 carries kink, and the of the kink both sides
The angle that two connecting plates 23 are formed is 120-160 ° of angle；The driving reel 8 includes the installation portion 8.1 that center is set, peace
Be arranged with dress portion 8.1 two extend laterally projection actuating arms 8.2, the actuating arm 8.2 by pin axle 24 with
First connecting plate 22 connects；Pin axle between the actuating arm 8.2 that first connecting plate 22 and drive disk 8 both ends are respectively equipped with
24 are provided with torsion spring 9, and one end of the torsion spring 9 is connected with the installation portion 8.1 on drive disk 8, the torsion spring 9
The other end be connected with the catch spring pin 9.1 being arranged on the first connecting plate 22, the torsion spring 9 be two groups be symmetrical arranged.
The endoporus of the bearing block 3 is provided with rolling bearing 4, and eccentric bushing 5 is provided with the hole of the rolling bearing 4, described
Needle bearing 6 is provided with the hole of eccentric bushing 5.
Also include the transmission component being arranged on power transmission shaft 1, the transmission component includes setting the interior of the opposite side of bearing block 3
Toothed disc 2 is put, the built-in gear disk 2 is annular, and the inner ring axial end of the built-in gear disk 2 is provided with internal gear, institute
State and gear 10 is additionally provided with power transmission shaft 1, the gear 10 is located in the looping pit inside built-in gear disk 2, and gear 10 is outer
The internal gear of tooth and built-in gear disk 2 coordinates；Also set on the power transmission shaft 1 of described one side of the gear 10 away from bearing block 3
There is gear drive sleeve 11, the gear drive set 11 is that both ends diameter dimension is small, and the big sleeve body 13 of mid diameter size is described
Rolling bearing 4 is provided between gear drive set 11 and power transmission shaft 1；Side of the axle drive sleeve away from driving reel 8 is set with
Sprocket wheel 12, cylinder 13 is also set with the power transmission shaft 1, the drive gear assemblies and gear-driven assembly are arranged on cylinder 13
It is interior, pass through screw and cylinder 13 provided with ring flange A14, the ring flange A14 close to the side of driving reel 8 on the cylinder 13
Connection, the eccentric bushing 5 are provided with the bent plate for mounting flange B15, the ring flange A14 and ring flange B15 and transmission
The junction of axle 1 is provided with bearing, and the power transmission shaft 1 is provided with foot-driven lever 17, and the end of foot-driven lever 17 is connected to pedal 18, built-in
It is connected by screw between toothed disc 2 and bearing block 3.
In use, cylinder is installed together with vehicle frame, welding can be used, can also use screw etc. to be detachably connected, pin
Pedal is in an optimal angle of having an effect, as formed by bicycle driving direction of advance each offsets 60 ° up and down
Hexagonal angle is people's most comfortable angular range for being also easiest to have an effect in ride, and the power sent is maximum and is all driven
Moving axis absorbs, efficiency high, as a result of the type of drive of built-in drive gear, to enable two gears normally to engage fortune
OK, by setting eccentric bushing to solve to scrunch Dead Core Problems.
As shown in Figure 2, drive axis is driven using foot-driven lever, and using driving two driving walls of reel band respectively
Dynamic head rod and the action of the second connecting rod, the arm-tie in left side in figure is finally imparted power to, using arm-tie by active force
It is applied on arc, drives bearing block to rotate using frictional force caused by cambered surface inside arc and steel loop, while second connects
Fishplate bar is applied to the outer surface of steel loop, mutually extruding, and enclasping force is strong, effectively prevent skidding.
The torsion spring of setting, the interaction of equipment normal operation, especially connecting rod is effectively ensured, in Fig. 3,
Power is applied on steel loop by left side arc, and right side arc and steel loop are released state, and one is provided instead using torsion spring
To active force, it ensure that the first connecting plate of right side setting and the second connecting plate are in and treat working condition, be unlikely in pin axle
Place produces random rotation.
When pedal rotates in advance from the center at top, the arc BOB(beginning of block) effect on the left of pedal and front,
After pedal turns to bottom centre position, the pedal of opposite side repeats the pedaling towards front, the arc of opposite side
Shape BOB(beginning of block) is worked, and the transmission of power is realized in previous arc BOB(beginning of block) separation steel loop, repetition.
While reel rotational driving gear disk component is driven, because drive gear disk component is around the outer of eccentric bushing
Footpath is taken exercises, that is, around drive axis, thereby produces the backing pin axis drives on a drive gear disk component
Reel center is by as far as near running orbit, apart from drive shaft, disk center is nearer, and caused power is bigger, so as to produce a reinforcing
Process.
Drive gear disk component is rotated when driving reel drives, bicycles all at present needs very big in this position
Power goes to scrunch, and very arduously, this angular turn direction rotates 30 ° of angles and scrunches dead angle for described.
This technology solves the problems, such as laborious during this well, in the rotation process for scrunching the 30 ° of angles in dead angle, drives
Bearing in moving teeth wheel assemblies is more and more nearer apart from the center of drive gear disk, and the thrust of formation is also increasing, unanimously prolongs
Extend that people are most comfortable, are easiest to the angle had an effect, the system solves the problems, such as to scrunch dead angle first well, with reference to human body
Engineering science, using the technology of secondary driving, when people are in ride, and step tread turns to the angle, utilize bias
The cooperation of roller, the position for scrunching dead angle is changed, be gradually increased thrust automatically, be transitioned into pedaling for people's the most comfortable always
Angle is stepped on, and is easiest to weak angle hexagonal angle, improves drive efficiency, 50-60% is lifted than existing conventional ADS driving mode
More than, in addition, present patent application also has preferable muting function, while higher driving force is not only provided, human body
Sensory effect is preferable.
In the above-described embodiments, preferred forms of the present utility model are described, it is obvious that in the utility model
Utility model design under, can still make many changes.Here, it should be noted that under utility model of the present utility model design
Any change made is fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of Modified type bicycle drive system, it is characterized in that：The drive system includes being arranged on power transmission shaft（1）On drive
Moving teeth wheel assembly, the drive gear assemblies include bearing block（3）, the bearing block（3）To be provided with outside be in ring for side
The raised steel loop of shape（7）, the steel loop（7）Inside cambered surface be provided with radian and steel loop（7）The arc that internal cambered surface is engaged
（20）, the arc（20）Power transmission shaft is connect by kinematic link component（1）, the arc（20）For two groups, and into symmetrical
Mode is arranged in steel loop（7）On.
2. Modified type bicycle drive system according to claim 1, it is characterized in that：The transmission bar assembly includes arm-tie
（21）, the arm-tie（21）It is arranged on arc（20）Away from bearing block（3）One end, the arm-tie（21）Along arc
（20）The extension of arc top direction protrusion direction, by steel loop（7）Top extends to bearing block（3）It is outside.
3. Modified type bicycle drive system according to claim 2, it is characterized in that：The arm-tie（21）Away from arc
（20）One end pass through pin axle（24）It is connected to the second connecting plate（23）One end, second connecting plate（23）The other end lead to
Cross pin axle（24）It is connected to the first connecting plate（22）One end, the first connecting plate（22）Another be terminated with drive shaft disk（8）, institute
State driving reel（8）Installed in bearing block（3）Provided with steel loop（7）Side.
4. Modified type bicycle drive system according to claim 3, it is characterized in that：The arm-tie（21）Upper and steel loop
（7）The position closed on, which is provided with, causes arm-tie（21）Fitting is arranged on steel loop（7）On magnet（19）, second connecting plate（23）
With kink, the second connecting plate of the kink both sides（23）The angle of formation is 120-160 ° of angle.
5. the Modified type bicycle drive system according to claim 3 or 4, it is characterized in that：The driving reel（8）Including
The installation portion that center is set（8.1）, installation portion（8.1）On be arranged with two extend laterally projection actuating arms
（8.2）, the actuating arm（8.2）Pass through pin axle（24）With the first connecting plate（22）Connection.
6. Modified type bicycle drive system according to claim 5, it is characterized in that：First connecting plate（22）With drive
Moving plate（8）The actuating arm that both ends are respectively equipped with（8.2）Between pin axle（24）It is provided with torsion spring（9）, the moment of torsion bullet
Spring（9）One end and drive disk（8）On installation portion（8.1）Connection, the torsion spring（9）The other end and be arranged on first
Connecting plate（22）On catch spring pin（9.1）Connection, the torsion spring（9）It is symmetrical arranged for two groups.
7. the Modified type bicycle drive system according to claim 3 or 6, it is characterized in that：The bearing block（3）Endoporus
Rolling bearing is installed（4）, the rolling bearing（4）Hole in be provided with eccentric bushing（5）, the eccentric bushing（5）Hole in be provided with
Needle bearing（6）.
8. Modified type bicycle drive system according to claim 7, it is characterized in that：Also include being arranged on power transmission shaft（1）
On transmission component, the transmission component include set bearing block（3）The built-in gear disk of opposite side（2）, the built-in gear
Disk（2）For annular, the built-in gear disk（2）Inner ring axial end be provided with internal gear, the power transmission shaft（1）On be additionally provided with
Gear（10）, the gear（10）Positioned at built-in gear disk（2）In internal looping pit, and gear（10）External tooth and built-in tooth
Wheel disc（2）Internal gear coordinate.
9. Modified type bicycle drive system according to claim 8, it is characterized in that：Described gear（10）Away from bearing
Seat（3）One side power transmission shaft（1）On be additionally provided with gear drive set（11）, the gear drive set（11）For both ends diameter chi
It is very little small, the big sleeve body of mid diameter size（13）, the gear drive set（11）With power transmission shaft（1）Between be provided with rolling bearing
（4）.
10. Modified type bicycle drive system according to claim 9, it is characterized in that：Also include sprocket wheel（12）, the biography
Moving axis（1）On be also set with cylinder（13）, the drive gear assemblies and gear-driven assembly are arranged on cylinder（13）It is interior, it is described
Cylinder（13）Upper close driving reel（8）Side be provided with ring flange A（14）, the ring flange A（14）Pass through screw and cylinder
（13）Connection, the eccentric bushing（5）It is provided with and is used for mounting flange B（15）Bent plate, the ring flange A（14）And ring flange
B（15）With power transmission shaft（1）Junction is provided with bearing, the power transmission shaft（1）It is provided with foot-driven lever（17）, the foot-driven lever（17）End
It is terminated with pedal（18）, built-in gear disk（2）With bearing block（3）Between be connected by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188955.5U CN206679182U (en) | 2016-11-04 | 2016-11-04 | A kind of Modified type bicycle drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188955.5U CN206679182U (en) | 2016-11-04 | 2016-11-04 | A kind of Modified type bicycle drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206679182U true CN206679182U (en) | 2017-11-28 |
Family
ID=60395359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188955.5U Expired - Fee Related CN206679182U (en) | 2016-11-04 | 2016-11-04 | A kind of Modified type bicycle drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206679182U (en) |
-
2016
- 2016-11-04 CN CN201621188955.5U patent/CN206679182U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103229634A (en) | Power and steering device for crawler-type harvester | |
| CN106938685A (en) | A kind of electronic bicycle for double march body building | |
| CN206679182U (en) | A kind of Modified type bicycle drive system | |
| CN203854811U (en) | Direct-driven double-wing scooter | |
| CN106428390A (en) | Improved bicycle driving system | |
| CN210478938U (en) | Driving device for bicycle | |
| CN105667691B (en) | A kind of bicycle drive train system | |
| CN205469623U (en) | Bicycle actuating system | |
| CN107444553B (en) | Hand-cranking entertainment bicycle | |
| CN206394357U (en) | One kind is without hub wheel | |
| CN209719828U (en) | A kind of front-rear-wheel double-driven bicycle driving separation | |
| CN210734428U (en) | Novel chainless bicycle | |
| CN206853126U (en) | One kind is based on being longitudinally arranged carbon-free trolley | |
| CN206679179U (en) | Reciprocating pedal gear driving bicycle | |
| CN206750052U (en) | A kind of wheel driver | |
| CN207360505U (en) | A kind of center drum brake | |
| CN106005214A (en) | Dual front wheel driving device for bicycle | |
| CN206623953U (en) | A kind of wheel reciprocating drive of pair of chain drive | |
| CN104986279A (en) | Body-building tricycle driven by hands and feet | |
| KR100779301B1 (en) | multi bicycle | |
| CN209241248U (en) | A kind of novel ice-bicycle | |
| CN209395987U (en) | A kind of drive mechanism of moped built-in motor | |
| CN202966272U (en) | Drive axle assembly of high-end engineering vehicle | |
| CN107776331A (en) | One kind is without hub wheel | |
| CN205574198U (en) | Body -building four -wheel car four limbs of riding instead of walk drive rear wheel structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |