CN202518420U - Foldable dual-seat four-wheeled electric vehicle - Google Patents
Foldable dual-seat four-wheeled electric vehicle Download PDFInfo
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- CN202518420U CN202518420U CN2011204283533U CN201120428353U CN202518420U CN 202518420 U CN202518420 U CN 202518420U CN 2011204283533 U CN2011204283533 U CN 2011204283533U CN 201120428353 U CN201120428353 U CN 201120428353U CN 202518420 U CN202518420 U CN 202518420U
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Abstract
The utility model discloses a foldable dual-seat four-wheeled electric vehicle. The foldable dual-seat four-wheeled electric vehicle comprises a front vehicle frame component, a rear vehicle frame component, a front and back connecting frame, a rotating seat frame, a telescopic rod, movable upright poles and pedals, wherein the front vehicle frame component and the rear vehicle frame component are connected through the front and back connecting frame; the rotating seat frame is arranged between the rear vehicle frame component and the front and back connecting frame; the telescopic rod is arranged between the front vehicle frame component and the front and back connecting frame; the movable upright poles are arranged between the front and back connecting frame and the rotating seat frame; and the pedals are arranged between the front vehicle frame component and the front and back connecting frame. The whole vehicle frame is folded by taking the center of a rear wheel as a rotating fulcrum, after the vehicle frame is folded, the size of the vehicle frame can be reduced by more than two thirds, and the weight of the whole vehicle is less than 25kg, so that the vehicle is conveniently carried into a lifter and conveniently stored at home; and one-key operation can be realized by a limit structure of the telescopic rod, so that the vehicle is light and portable. Due to the adoption of rotating armrests, convenience is brought to people to get on and off the electric vehicle, and the safety of people in the vehicle can be ensured when the electric vehicle is driven. The electric vehicle is particularly suitable for old couples and the disabled.
Description
Technical field
The utility model relates to a kind of battery-driven car, relates in particular to a kind of folding four-wheel electric motor car.
Background technology
Along with the development of society and the raising of people's living standard, the popularity rate of battery-driven car increases fast, drives because it need not manpower; Do not want consume fuel again, as long as the adapted rechargeable battery, rechargeable battery utilizes low ebb; Not only economy but also environmental protection; Therefore it is the upgraded product of bicycle, and is popular to people deeply, and it has become the desirable running vehicle of people's short distance trip.Yet the prior electric car mainly contains two and takes turns two types of battery-driven car and three-wheeled electric vehicles, and two take turns battery-driven car mainly is applicable to person between twenty and fifty, and three-wheeled electric vehicle mainly is applicable to the elderly.Though the prior electric car has brought convenience for people's short distance trip; But along with the quickening of urbanization pace of construction in recent years; The building height that the resident lives constantly increases, and parking, charging of battery-driven car is very inconvenient, and this has become the limiting condition that battery-driven car further develops.The prior electric three-wheel develops from manual tricycle and comes, and the elderly uses the old-fashioned formula headstock of hurdling very inconvenient, and their trick does not resemble the youngster flexible, and the elderly gets on or off the bus very inconvenient.Three-wheel vehicle walking simultaneously stable bad if Turning radius is too small, steering angle is excessive, inclined to one side seat centre-of gravity shift etc. all is easy to produce rollover, causes car to turn over the accident of people's wound in the process of walking.Must develop for this reason drive simple, go saferly, be fit to the four-wheel electric motor car product that the old man uses.This type car should satisfy following requirement:
It is light that the weight of car load is wanted, and volume is little, can go upstairs by an elevator, collapsible putting at home; Get on or off the bus and to make things convenient for, obstacle can not be arranged; Two seats are arranged, be fit to two people and take.
For this reason, people are also in continuous exploration, and have obtained certain effect, but can't satisfy people's requirement fully.For example the Liu Guang of Chinese Shandong Province discloses " a kind of small four-wheel battery-driven car " in Chinese patent CN201932295U; It comprises car body; At the car body front end foldable pedal is set, behind the car body seat, boot is installed, the back box lid of reserve is hinged on the casing; Side at car body is installed steering hardware, and it can make the rider fully unfold both legs, and both legs are placed on the optional position of stretcher; Take advantage of seat comfortable, can foldable pedal is folding after getting off, it is little to take up room when parking; The trip shopper can be placed on boot with article, and case cover is opened the increase storage space, can transport large piece article; There is not the obstacle of bearing circle in this utility model, and the rocking bar that turns to that is installed in a side of car body through swing is realized turning to, and is simple in structure; Easy to use, the chassis of battery-driven car is lower, is fit to action inconvenient the elderly and disabled person and uses.
This little four-wheel electric motor car can only be realized the collapsible of stretcher part; Can't fold between the front and back wheel, the volume of car body is also too big, and the seat has only one; Only be fit to single trip; Can't satisfy two old men travel requirement simultaneously, nonfloating rail, the old man inconvenience of getting on or off the bus is all arranged about the seat simultaneously.
The utility model content:
The purpose of the utility model provides a kind of collapsible two-seater four-wheel electric motor car, and it can satisfy the demand of people comparatively ideally.
The technical scheme that the utility model is taked is:
A kind of collapsible two-seater four-wheel electric motor car; It is characterized in that: comprise front vehicle frame parts, back frame part, front and back link span, rotate mounting, expansion link, activity vertical rod and pedal; Link to each other through the front and back link span between front vehicle frame parts and the back frame part; The rear end of rotating mounting is hinged with the back frame part, and the front end and the front and back link span that rotate mounting are hinged, and expansion link is arranged between front vehicle frame parts and the front and back link span; Between link span and the rotation mounting, the two ends of pedal were hinged on respectively on front vehicle frame parts and the front and back link span before and after the activity vertical rod was arranged on.
Further; Said front vehicle frame parts comprise and turn to handrail, handle fixed cover, front wheel carrier, foot-operated peg, synchronising (connecting) rod, middle poke rod, side poke rod, front-wheel bearing support, front-wheel rotary axle box and front-wheel; On the handle fixed cover, be provided with upper ear seat and lower ear base, turn to the vertical rod of handrail to be sleeved in the handle fixed cover, an end of two side poke rods is fixed on the front-wheel bearing support; The other end of two side poke rods all is hinged with synchronising (connecting) rod; Middle poke rod one end is fixed on the lower end of the vertical rod that turns to handrail, and the middle poke rod other end and synchronising (connecting) rod are hinged, and front wheel carrier is fixed on the handle fixed cover; The front-wheel rotary axle box is fixed on the front wheel carrier; Two foot-operated pegs are fixed on the front wheel carrier, and the shaft set of front-wheel bearing support is in the front-wheel rotary axle box, and said front-wheel is fixed on the front-wheel bearing support through wheel shaft.
Further, said back frame part comprises two trailing wheels, rear wheel frame, seat back frame and seat frame ear seat A, and two trailing wheel broad ways compartment of terrains are installed in the lower end of rear wheel frame, and seat back frame is arranged on the upper end of rear wheel frame, and seat frame ear seat A is arranged on the rear wheel frame.
Further, said front and back link span comprises horizon bar, hound, horizontal trailing wheel frame, peg ear seat, battery tray and strut ear seat, and strut ear seat is arranged on the horizon bar; One end of horizon bar and the upper ear seat on the handle fixed cover are hinged; The other end of horizon bar is hinged on and rotates on the mounting, and the upper end and the horizon bar of hound are hinged, and captives joint with horizontal trailing wheel frame in the lower end of hound; Horizontal trailing wheel frame is set on two trailing wheels, and battery tray is fixed on the horizontal trailing wheel frame.
Further; Said rotation mounting is made up of seat frame, vertical peg, intermediate bar, horizon bar ear seat and a seat frame ear seat B, and seat frame ear seat B is provided with the rear end of present frame, and a seat frame ear seat B and a frame ear seat A on the frame part of back are articulated and connected; Two vertical pegs are provided with the lower end, both sides of present frame; And in fore-and-aft direction was in same plane, intermediate bar was provided with the leading portion of present frame, and horizon bar ear seat is arranged on the lower end of intermediate bar.
Further; Expansion link is made up of sliding sleeve, sliding core pole and position limiting structure; The lower ear base of the lower end of sliding sleeve and front vehicle frame parts is hinged; The upper end of sliding core pole and the strut ear seat on the horizon bar are hinged, and the lower end of sliding core pole is sleeved in the endoporus of sliding sleeve, and position limiting structure is arranged between sliding core pole and the sliding sleeve.
Further; Be provided with vestibule, spring and steel ball at the sliding core pole hypomere; Steel ball and spring all are placed in the vestibule, and steel ball be positioned at the outside, on sliding sleeve, be provided with two end positions corresponding to sliding core pole; Be provided with spacing hole at sliding sleeve, the diameter of spacing hole is slightly less than the diameter of steel ball.
Further; The upper end of vertical peg is hinged with the seat frame; The lower end of vertical peg and the upper end of activity vertical rod are hinged; Activity vertical rod lower end and front and back link span upper hanging rod ear seat are hinged, and the horizontal trailing wheel frame of an end of pedal and front and back link span is hinged, and the foot-operated peg on the other end of pedal and the front vehicle frame parts is hinged.
Further, said pedal comprises left-hand tread plate and right-hand tread plate.
Further, left-hand tread plate and right-hand tread plate fixedly are connected as a single entity.
It is that fulcrum folds with the center of trailing wheel all that this folding structure can make the whole vehicle frame of four-wheel electric motor car; Vehicle frame length dimension after folding narrows down in 50 centimetres by 150 centimetres; Shorten more than 2/3, be more convenient for going up elevator and collection, the slippage limit position limiting structure of expansion link is convenient to that people fold whole vehicle frame and exhibition is put; Realize a key operation, light and fast.Vehicle frame adopts aluminium alloy pipe to make, and can guarantee the intensity of vehicle frame, can reduce the weight of car load again, is particularly suitable for old Mr. and Mrs and disabled person and uses.
Description of drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of front vehicle frame parts;
Fig. 3 is the structural representation of back frame part;
Fig. 4 is the structural representation of front and back link span;
Fig. 5 is for rotating the structural representation of mounting;
Fig. 6 is the structural representation of expansion link;
Fig. 7 is the mounted inside structural representation of expansion link;
Fig. 8 is sliding sleeve and sliding core pole fit structure scheme drawing;
Fig. 9 is in the structural representation of folded state for car load.
Among the figure, 1-front vehicle frame parts; Frame part behind the 2-; Link span before and after the 3-; 4-rotates mounting; The 5-expansion link; 6-activity vertical rod; The 7-pedal; The 8-battery; The 10-front-wheel; 11-turns to handrail; 12-handle fixed cover; The 121-upper ear seat; The 122-lower ear base; The 13-front wheel carrier; 14-rides peg; The 15-synchronising (connecting) rod; Poke rod in the middle of the 16-; 17-side poke rod; 18-front-wheel bearing support; 19-front-wheel rotary axle box; The 21-trailing wheel; The 22-rear wheel frame; The 23-seat back frame; 24-seat frame ear seat A; The 31-horizon bar; The 32-hound; The horizontal trailing wheel frame of 33-; 34-peg ear seat; The 35-battery tray; 36-strut ear seat; 41-seat frame; The vertical peg of 42-; The 43-intermediate bar; 44-horizon bar ear seat; 45-seat frame ear seat B; The 51-sliding sleeve; The 52-sliding core pole; The 53-spring; The 54-steel ball; 511-spacing hole; The 521-vestibule.
The specific embodiment
The specific embodiment below in conjunction with description of drawings the utility model:
Embodiment 1: a kind of collapsible two-seater four-wheel electric motor car; As shown in Figure 1; Comprise front vehicle frame parts 1, back frame part 2, front and back link span 3, rotate mounting 4, expansion link 5, activity vertical rod 6 and pedal 7; Said front vehicle frame parts 1 are as shown in Figure 2, and it comprises and turns to handrail 11, handle fixed cover 12, front wheel carrier 13, foot-operated peg 14, synchronising (connecting) rod 15, middle poke rod 16, side poke rod 17, front-wheel bearing support 18, front-wheel rotary axle box 19 and front-wheel 10, on handle fixed cover 12, is provided with upper ear seat 121 and lower ear base 122; Turn to the vertical rod of handrail 11 to be sleeved in the handle fixed cover 12; One end of two side poke rods 17 is fixed on the front-wheel bearing support 18, and the other end of two side poke rods 17 all is hinged with synchronising (connecting) rod 15, and middle poke rod 16 1 ends are fixed on the lower end of the vertical rod that turns to handrail 11; Middle poke rod 16 other ends and synchronising (connecting) rod 15 are hinged; Front wheel carrier 13 is fixed on the handle fixed cover 12, and front-wheel rotary axle box 19 is fixed on the front wheel carrier 13, and two foot-operated pegs 14 are fixed on the front wheel carrier 13; The shaft set of front-wheel bearing support 18 is in front-wheel rotary axle box 19, and said front-wheel 10 is fixed on the front-wheel bearing support 18 through wheel shaft; Said back frame part 2 is as shown in Figure 3; It comprises two trailing wheels 21, rear wheel frame 22, seat back frame 23 and seat frame ear seat A24; Two trailing wheel 21 broad ways compartment of terrains are installed in the lower end of rear wheel frame 22; Seat back frame 23 is arranged on the upper end of rear wheel frame 22, and seat frame ear seat A24 is arranged on the rear wheel frame 22.
Said front and back link span 3 is as shown in Figure 4; It comprises horizon bar 31, hound 32, horizontal trailing wheel frame 33, peg ear seat 34, battery tray 35 and strut ear seat 36; Strut ear seat 36 is arranged between the two ends of horizon bar 31, and an end of horizon bar 31 and the upper ear seat 121 on the handle fixed cover 12 are hinged, and the other end of horizon bar 31 is hinged on and rotates on the mounting 4; The upper end of hound 32 and horizon bar 31 are hinged; Captive joint with horizontal trailing wheel frame 33 in the lower end of hound 32, horizontal trailing wheel frame 33 is set on two trailing wheels 21, and battery tray 35 is fixed on the horizontal trailing wheel frame 33; Said rotation mounting 4 is as shown in Figure 5; It is made up of seat frame 41, vertical peg 42, intermediate bar 43, horizon bar ear seat 44 and seat frame ear seat B45; Seat frame ear seat B45 is provided with the rear end of present frame 41, and the seat frame ear seat A24 on seat frame ear seat B45 and the back frame part 2 is articulated and connected the lower end, both sides of the hinged present frame 41 in the upper end of two vertical pegs 42; Intermediate bar 43 is provided with in the preceding frame of present frame 41, and horizon bar ear seat 44 is arranged on the lower end of intermediate bar 43; Said expansion link 5 is as shown in Figure 6; It is made up of sliding sleeve 51, sliding core pole 52 and position limiting structure, and the lower ear base 122 of the lower end of sliding sleeve 51 and front vehicle frame parts 1 is hinged, and the strut ear seat 36 on the upper end of sliding core pole 52 and the horizon bar 31 is hinged; The lower end of sliding core pole 52 is sleeved in the endoporus of sliding sleeve 51; Position limiting structure is arranged between sliding core pole 52 and the sliding sleeve 51, and said position limiting structure is as shown in Figure 7, is provided with the vestibule 521 of mounting spring 53 and steel ball 54 at the hypomere of sliding core pole 52; And steel ball 54 is positioned at the outside; On sliding sleeve 51, be provided with two end positions corresponding to sliding core pole 52, on sliding sleeve 51, be provided with spacing hole 511, the diameter of spacing hole 511 is slightly less than the diameter of steel ball 54; The lower end of vertical peg 42 and the upper end of activity vertical rod 6 are hinged; Activity vertical rod 6 lower ends and front and back link span 3 upper hanging rod ear seats 34 are hinged; The horizontal trailing wheel frame 33 of one end of pedal 7 and front and back link span 3 is hinged, and the foot-operated peg 14 on the other end of pedal 7 and the front vehicle frame parts 1 is hinged; Said pedal 7 is divided into left-hand tread plate and right-hand tread plate, and left-hand tread plate and right-hand tread plate are separate in this example, and like Fig. 1 and shown in Figure 9, this structure is convenient to that people fold whole vehicle frame and exhibition is put, and realizes a key operation, light and fast; The horizontal trailing wheel frame 33 of one end of pedal 7 and front and back link span 3 is hinged, and the lower end of the foot-operated peg 14 on the other end of pedal 7 and the front vehicle frame parts 1 is hinged; Powered vehicle walking battery is a lithium cell, and lithium cell is placed in the battery tray 35; Vehicle frame adopts aluminium alloy pipe to make, and can guarantee the intensity of vehicle frame, can reduce the weight of car load again.
Claims (10)
1. collapsible two-seater four-wheel electric motor car; It is characterized in that: comprise front vehicle frame parts (1), back frame part (2), front and back link span (3), rotate mounting (4), expansion link (5), activity vertical rod (6) and pedal (7); Logical front and back link spans (3) link to each other between front vehicle frame parts (1) and the back frame part (2); The rear end of rotating mounting (4) is hinged with back frame part (2); The front end and the front and back link span (3) that rotate mounting (4) are hinged; Expansion link (5) is arranged between front vehicle frame parts (1) and the front and back link span (3), and between link span (3) and the rotation mounting (4), the two ends of pedal (7) were hinged on respectively on front vehicle frame parts (1) and the front and back link span (3) before and after activity vertical rod (6) was arranged on.
2. according to the said collapsible two-seater four-wheel electric motor car of claim 1; It is characterized in that: said front vehicle frame parts (1) comprise and turn to handrail (11), handle fixed cover (12), front wheel carrier (13), foot-operated peg (14), synchronising (connecting) rod (15), middle poke rod (16), side poke rod (17), front-wheel bearing support (18), front-wheel rotary axle box (19) and front-wheel (10); On handle fixed cover (12), be provided with upper ear seat (121) and lower ear base (122); Turn to the vertical rod of handrail (11) to be sleeved in the handle fixed cover (12); One end of two side poke rods (17) is fixed on the front-wheel bearing support (18); The other end of two side poke rods (17) all is hinged with synchronising (connecting) rod (15); Middle poke rod (16) one ends are fixed on the lower end of the vertical rod that turns to handrail (11), and middle poke rod (16) other end and synchronising (connecting) rod (15) are hinged, and front wheel carrier (13) is fixed on the handle fixed cover (12); Front-wheel rotary axle box (19) is fixed on the front wheel carrier (13); Two foot-operated pegs (14) are fixed on the front wheel carrier (13), and the shaft set of front-wheel bearing support (18) is in front-wheel rotary axle box (19), and said front-wheel (10) is fixed on the front-wheel bearing support (18) through wheel shaft.
3. according to the said collapsible two-seater four-wheel electric motor car of claim 1; It is characterized in that: said back frame part (2) comprises two trailing wheels (21), rear wheel frame (22), seat back frame (23) and seat frame ear seat A (24); Two trailing wheels (21) broad ways compartment of terrain is installed in the lower end of rear wheel frame (22); Seat back frame (23) is arranged on the upper end of rear wheel frame (22), and seat frame ear seat A (24) is arranged on the rear wheel frame (22).
4. according to the said collapsible two-seater four-wheel electric motor car of claim 1; It is characterized in that: said front and back link spans (3) comprise horizon bar (31), hound (32), horizontal trailing wheel frame (33), peg ear seat (34), battery tray (35) and strut ear seat (36); Strut ear seat (36) is arranged on the horizon bar (31); Upper ear seat (121) on one end of horizon bar (31) and the handle fixed cover (12) is hinged; The other end of horizon bar (31) is hinged on and rotates on the mounting (4), and the upper end of hound (32) and horizon bar (31) are hinged, and captives joint with horizontal trailing wheel frame (33) in the lower end of hound (32); Horizontal trailing wheel frame (33) is set on two trailing wheels (21), and battery tray (35) is fixed on the horizontal trailing wheel frame (33).
5. according to the said collapsible two-seater four-wheel electric motor car of claim 1; It is characterized in that: said rotation mounting (4) is made up of seat frame (41), vertical peg (42), intermediate bar (43), horizon bar ear seat (44) and seat frame ear seat B (45); Seat frame ear seat B (45) is provided with the rear end of present frame (41); Seat frame ear seat A (24) on seat frame ear seat B (45) and the back frame part (2) is articulated and connected, and two vertical pegs (42) are provided with the lower end, both sides of present frame (41), and in fore-and-aft direction is in same plane; Intermediate bar (43) is provided with the leading portion of present frame (41), and horizon bar ear seat (44) is arranged on the lower end of intermediate bar (43).
6. according to the said collapsible two-seater four-wheel electric motor car of claim 1; It is characterized in that: expansion link (5) is made up of sliding sleeve (51), sliding core pole (52) and position limiting structure; The lower ear base (122) of the lower end of sliding sleeve (51) and front vehicle frame parts (1) is hinged; Strut ear seat (36) on the upper end of sliding core pole (52) and the horizon bar (31) is hinged; The lower end of sliding core pole (52) is sleeved in the endoporus of sliding sleeve (51), and position limiting structure is arranged between sliding core pole (52) and the sliding sleeve (51).
7. according to the said collapsible two-seater four-wheel electric motor car of claim 6; It is characterized in that: be provided with vestibule (521), spring (53) and steel ball (54) at sliding core pole (52) hypomere; Steel ball (54) and spring (53) all are placed in the vestibule (521); And steel ball (54) is positioned at the outside; On sliding sleeve (51), be provided with two end positions corresponding to sliding core pole (52), be provided with spacing hole (511) at sliding sleeve (51), the diameter of spacing hole (511) is slightly less than the diameter of steel ball (54).
8. according to the said collapsible two-seater four-wheel electric motor car of claim 5; It is characterized in that: the upper end of vertical peg (42) is hinged with seat frame (41); The lower end of vertical peg (42) and the upper end of activity vertical rod (6) are hinged; Activity vertical rod (6) lower end and front and back link span (3) upper hanging rod ear seat (34) are hinged; The horizontal trailing wheel frame (33) of one end of pedal (7) and front and back link span (3) is hinged, and the foot-operated peg (14) on the other end of pedal (7) and the front vehicle frame parts (1) is hinged.
9. said according to Claim 8 collapsible two-seater four-wheel electric motor car is characterized in that: said pedal (7) comprises left-hand tread plate and right-hand tread plate.
10. according to the said collapsible two-seater four-wheel electric motor car of claim 9, it is characterized in that: left-hand tread plate and right-hand tread plate fixedly are connected as a single entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204283533U CN202518420U (en) | 2011-11-03 | 2011-11-03 | Foldable dual-seat four-wheeled electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204283533U CN202518420U (en) | 2011-11-03 | 2011-11-03 | Foldable dual-seat four-wheeled electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518420U true CN202518420U (en) | 2012-11-07 |
Family
ID=47101382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204283533U Expired - Fee Related CN202518420U (en) | 2011-11-03 | 2011-11-03 | Foldable dual-seat four-wheeled electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202518420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278916A (en) * | 2018-10-15 | 2019-01-29 | 王建民 | Draw-bar box type fast folding mini electric vehicle |
| CN112660281A (en) * | 2020-12-02 | 2021-04-16 | 好孩子儿童用品有限公司 | Children electric vehicle |
-
2011
- 2011-11-03 CN CN2011204283533U patent/CN202518420U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278916A (en) * | 2018-10-15 | 2019-01-29 | 王建民 | Draw-bar box type fast folding mini electric vehicle |
| US20210331764A1 (en) * | 2018-10-15 | 2021-10-28 | Suntech UK Limited | Draw-bar box-type quickly folding micro electric vehicle |
| EP3868639A4 (en) * | 2018-10-15 | 2022-07-20 | Suntech UK Limited | Draw-bar box-type quickly folding micro electric vehicle |
| CN112660281A (en) * | 2020-12-02 | 2021-04-16 | 好孩子儿童用品有限公司 | Children electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20141103 |
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| EXPY | Termination of patent right or utility model |