CN2609520Y - Electric toothbrush - Google Patents
Electric toothbrush Download PDFInfo
- Publication number
- CN2609520Y CN2609520Y CNU032571194U CN03257119U CN2609520Y CN 2609520 Y CN2609520 Y CN 2609520Y CN U032571194 U CNU032571194 U CN U032571194U CN 03257119 U CN03257119 U CN 03257119U CN 2609520 Y CN2609520 Y CN 2609520Y
- Authority
- CN
- China
- Prior art keywords
- brush body
- bevel gear
- blind hole
- mentioned
- electric toothbrush
- 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 - Lifetime
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
Abstract
The utility model discloses an electric toothbrush. A toothbrush body part 1 comprises a hollow supporting tube 2 of which one end is provided with a pot-shaped installation part 21; a rotatable shaft 4 is arranged in the tube 2; the upper end of the rotatable shaft of the toothbrush body is provided with a blind hole, the center of which is positioned on the axial cord of the rotatable shaft; one end of a connecting pin 5 is tightly inserted in the blind hole in a coaxial mode, and the other end of the connecting pin is provided and matched with a driving bevel gear 6 tightly in a coaxial mode; the side wall of the pot-shaped installation part 21 of the tube 2 is embedded with a fixed pin 8, and a toothbrush bristle bracket 9 and a driven bevel gear 7 can be rotatablely arranged on the fixed pin in a coaxial mode; the driving bevel gear and the driven bevel pinion are engaged with each other with a centre angle alpha smaller than or equal to 90 DEG. Because of the adoption of the transmission of the bevel gears, the volume is reduced, and the space is saved. The utility model has the advantages of convenient processing, high efficiency and cost saving.
Description
Technical field
This utility model relates to a kind of electric toothbrush, relates in particular to the bindiny mechanism of electric toothbrush brush body part.
Background technology
Existing electric toothbrush generally includes handle portion and brush body part, and brush body part removably links to each other with handle portion.Be loaded on motor in the handle portion by a drive mechanism power transmission shaft, rotating axle and rotating bristle supports are installed in the brush body part, above-mentioned power transmission shaft links to each other with the lower end of rotating shaft in being loaded on brush body part by a bindiny mechanism.The upper end of brush body rotating shaft links to each other with bristle supports by another bindiny mechanism.
U.S. Pat-PS 4156620 has disclosed the mechanism that a kind of electric toothbrush brush body part is connected with bristle supports, and a tooth bar connecting rod is arranged in its brush body, and a gear is housed on each hair brush base of bristle supports.All gears in one row's woollen brush base are engaged with each other, one and connecting rod engagement in per two gears.When connecting rod seesawed, each contiguous bristle toilet can rotate with relative direction each other.Because a lot of gears are arranged, and connecting rod is tooth bar, so complex structure, volume increases.For gear is not blocked, the manufacturing tolerance of permission is very little, causes the manufacturing cost height.If do not meet the requirements of the accuracy of manufacture, then may cause functional fault.Moreover also there is the bigger deficiency of kinetic equation loss in tooth bar-gear drive.
Described a kind of electric toothbrush in publication number is the Chinese invention patent application of CN 1044041A, its brush body part links to each other with handle portion by a kayser joint, with the dismounting of realization brush body.This structure can not guarantee that brush body works reposefully, that is to say, may produce during brush body work and rock and move.And the kayser joint is located at the outside, has increased toothbrush volume, causes and uses inconvenience.
U.S. Pat-PS 4827550 has also disclosed a kind of mechanism that connects electric toothbrush power transmission shaft and brush body rotating shaft, wherein, there is a ring-type concave area end of the contiguous brush body rotating shaft of power transmission shaft, and this concave area is near the transmission the tip of the axis, thereby formation is towards the termination and the shoulder of handle portion upper end.Above-mentioned termination is cone tip shape in the end of power transmission shaft, so that insert in the brush body rotating shaft.Because the brush body volume is little, it is very time-consuming to process the sharp shoulder structure of this awl, so, increased production cost.
In addition, U.S. Pat-PS4827550 and publication number be the Chinese patent of CN 1044041A all disclose utilize gear as driving mechanism to drive the content of power transmission shaft.As everyone knows, this driving device structure complexity, kinetic equation loss is big, thereby power consumption is many, and transmission efficiency is low, and is uneconomical.
The technical problems to be solved in the utility model is bindiny mechanism's complex structure, processing difficulties, the cost height of trying hard to overcome between existing electric toothbrush brush body rotating shaft and the bristle supports; Bindiny mechanism's complex structure between power transmission shaft and the brush body rotating shaft, processing difficulties, cost height; Brush body rotates steadily, kinetic equation loss is big, volume is big and awkward shortcoming, provides that a kind of volume is little, simple in structure, processing and convenient disassembly, brush body stability of rotation, power consumption electric toothbrush little, cheap, easy to use.
The technical scheme that addresses the above problem that the utility model proposes is: the hollow support pipe is pot shape installation portion to a side opening away from an end of handle portion, is used for installation initiatively bevel gear, driven bevel pinion and bristle supports.Have a blind hole in the brush body rotating shaft away from an end of handle portion, on the axis that is centered close to rotating shaft of blind hole, an end of a connecting pin tightly inserts in the above-mentioned blind hole coaxially.Driving bevel gear is housed coaxially, above-mentioned connecting pin and active bevel gear close-fitting on the other end of this connecting pin.Inlay a steady pin on the sidewall of the pot shape installation portion of hollow support pipe, above-mentioned bristle supports and driven bevel gear are all coaxial rotationally to be installed on the said fixing pin, and above-mentioned driving bevel gear and driven bevel pinion are engaged with each other.
The central angle of above-mentioned driving bevel gear and driven bevel pinion is less than or equal to 90 °.
Can also radially process the groove that is parallel to this Gear axis together along it in driven gear one side, stretch out a ledge that is parallel to the bristle supports axis from the end face of the end that cooperates with driven gear of bristle supports, this ledge inserts in the above-mentioned groove of driven gear, make the two abutting end faces installation parallel to each other of driven bevel gear and bristle supports, thereby bristle supports and driven bevel gear are rotated synchronously.
Also can on the outer wall of bristle supports one side, process one groove, a restriction pin is inserted in the above-mentioned groove, the other end of this restriction pin is fixed on the roof of hollow support pipe pot shape installation portion, by this structure, bristle supports is moved along the axial limited of fixed axis.
For the volume that reduces toothbrush and make the brush body part stability of rotation, can with the end handle portion interface a blind hole be set the brush body liner, radial side along the hole is provided with an outside projection, this projection is on the center in hole, and the relative side of the above-mentioned side of Kong Shangyu is provided with at least one projection inwardly.The lever interface with above-mentioned blind hole to the corresponding part of outer process also have one with this to outer process match to outer process, have on its opposite side at least one and blind hole towards inner process match towards inner process.The diameter of lever interface is less than the diameter of brush body liner mesopore.
In a kind of structure of the present utility model, processing one at the end face that cooperates with power transmission shaft of brush body rotating shaft is the blind hole of cheese head screw shape towards inner that extend, the cross section of rotating shaft axially along rotating shaft, and the round end of this blind hole partly is the arc greater than semicircle.Power transmission shaft closes on the end of brush body rotating shaft end and inserts in the above-mentioned blind hole, and power transmission shaft directly is connected with the brush body rotating shaft.
This utility model also has a kind of structure to be: the driving mechanism of above-mentioned connection motor and power transmission shaft comprises that a motor driving wheel that links to each other with motor shaft, longitudinal axis are parallel to the above-mentioned driving wheel longitudinal axis and the shift fork of a slit is arranged with respect to the eccentric eccentric pin of driving wheel and one one end and the power transmission shaft close-fitting other end, one end of above-mentioned eccentric pin embeds in the driving wheel, and the other end inserts in the slit of shift fork.
Because this utility model adopts central angle to be less than or equal to 90 ° bevel gear drive, has dwindled the brush body volume, has saved the space; Power transmission shaft one end directly is connected with the brush body rotating shaft, and the other end links to each other with motor by the shifting fork pin needle construction, has reduced kinetic equation loss, has improved transmission efficiency; The brush body liner adopts concaveconvex structure to be connected with the both sides of handle portion interface, and brush body is easy to loading and unloading, and brush body rotates more steady; Because available casting or injection moulding process processing bevel gear are easy to process, improve efficient again, saved cost.
Description of drawings
Fig. 1 is the schematic longitudinal sectional view of electric toothbrush described in the utility model;
The schematic longitudinal sectional view of this electric toothbrush brush body part of Fig. 2;
Fig. 3 a is the schematic longitudinal sectional view of driven bevel gear;
Fig. 3 b is the schematic side elevation of driven bevel gear;
Fig. 4 a is the schematic longitudinal sectional view of bristle supports;
Fig. 4 b is the schematic side elevation of bristle supports;
Fig. 5 a is the schematic longitudinal sectional view of brush body liner;
Fig. 5 b is the C-C cutaway view of Fig. 5 a;
Fig. 6 is the vertical view of lever interface;
Fig. 7 a is the schematic longitudinal sectional view that cooperates an end with power transmission shaft of brush body rotating shaft;
Fig. 7 b is the G-G cutaway view of Fig. 7 a;
Fig. 8 a is the schematic elevational view of power transmission shaft and dress shift fork thereon;
Fig. 8 b is the side view of Fig. 8 a;
Fig. 8 c is the vertical view of Fig. 8 a;
Fig. 9 is the connection diagram of motor-driven mechanism and power transmission shaft.
Identical Reference numeral is represented same parts in the accompanying drawing.
The specific embodiment
Fig. 1 is the schematic longitudinal sectional view of electric toothbrush described in the utility model.Electric toothbrush described in the utility model comprises handle portion 22 and brush body part 1, and handle portion 22 comprises power transmission shaft 11, lever housing 12, driving mechanism 13, motor 15, battery 17.
Fig. 2 is the schematic longitudinal sectional view of this electric toothbrush brush body part 1.Brush body part 1 comprises a hollow support pipe 2, brush body rotating shaft 4 is housed at pipe in 2, and rotating shaft 4 links to each other with motor-driven mechanism 13 in being contained in handle portion 22 by power transmission shaft 11, motor-driven mechanism 13 (see figure 1) that links to each other with motor 15.After the energized, motor 15 rotations are also passed through driving mechanism 13 driving power transmission shafts 11, thereby rotating shaft 4 is back and forth rotated, and its rotation direction is shown in four-headed arrow A among the figure.
Hollow support pipe 2 is a pot shape installation portion 21 to a side opening away from an end of handle portion 22, is used for installing initiatively bevel gear 6 and driven bevel pinion 7 and bristle supports 9.Have a blind hole in brush body rotating shaft 4 away from an end of handle portion, on the axis that is centered close to rotating shaft 4 of blind hole, an end of connecting pin 5 tightly inserts in the above-mentioned blind hole coaxially, that is to say, connecting pin 5 can not rotate and can not move with respect to rotating shaft 4.Driving bevel gear 6 is housed on the other end of connecting pin 5 coaxially, connecting pin 5 and active bevel gear 6 close-fittings, that is, gear 6 can not rotate and can not move with respect to connecting pin 5.Inlay a steady pin 8 on the sidewall of the pot shape installation portion 21 of the hollow support pipe 2 of brush body part 1, bristle supports 9 is coaxial rotationally to be installed on the steady pin 8, driven bevel gear 7 also is loaded on the said fixing pin 8 coaxially with movingly form, that is to say that driven gear 7 both can rotate also and can move with respect to steady pin 8.Above-mentioned driving bevel gear 6 and driven bevel pinion 7 are engaged with each other.
In a preferred embodiment, the central angle alpha of above-mentioned driving bevel gear 6 and driven bevel pinion 7 is less than or equal to 90 ° (seeing Fig. 3 b).
Be installed on the said fixing pin 8 bristle supports 9 is coaxial rotationally.Can increase or reduce the rotational angle of bristle supports 9 by the central angle of selecting above-mentioned bevel gear 6,7.
The material that is suitable for making above-mentioned bevel gear comprises metal and plastics, can adopt the method for casting or injection moulding to process above-mentioned bevel gear.
Fig. 3 a is the schematic longitudinal sectional view of driven bevel gear 7; Fig. 3 b is the schematic side elevation of driven bevel gear 7.From Fig. 3 a and 3b as can be seen, for bristle supports 9 and driven gear 7 are rotated synchronously, can radially process the groove 311 that is parallel to this Gear axis together along it in driven gear 7 one sides, stretch out ledge 411 (see figure 4)s that are parallel to bristle supports 9 axis from the end face of the end that cooperates with driven gear 7 of bristle supports 9, this ledge 411 inserts in the groove 311 of driven gear 7, make two abutting end faces of driven bevel gear 7 and bristle supports 9 parallel to each other, thereby bristle supports 9 and driven bevel gear 7 are rotated synchronously.
Fig. 4 a is the schematic longitudinal sectional view of bristle supports 9; Fig. 4 b is the schematic side elevation of bristle supports 9.On the outer wall of bristle supports 9 one sides, process groove 412 one, a restriction pin 10 is inserted in the groove 412, the other end of this restriction pin 10 is fixed on the roof of pot shape installation portion 21 of hollow support pipe 2, by this structure, bristle supports 9 is moved along the axial limited of steady pin 8.
Fig. 5 a is the schematic longitudinal sectional view of brush body liner 3; Fig. 5 b is the C-C cutaway view of Fig. 5 a; Fig. 6 is the vertical view of lever interface 20.End that is connected with handle portion 22 at brush body liner 3 is provided with a blind hole 511, a radial side of 511 is provided with an outside projection 512 along the hole, this projection 512 is on the center in hole 511, and a side relative with above-mentioned side is provided with at least one projection 513 (seeing Fig. 5 a and 5b) inwardly on hole 511.The respective side of lever interface 20 and above-mentioned blind hole 511 to outer process 512 corresponding parts also have one with match to outer process 512 to outer process 612, have on its opposite side at least one and blind hole 511 towards inner process 513 match towards inner process 613 (see figure 6)s.The diameter of lever interface 20 is less than the diameter of blind hole 511 in the brush body liner 3.
Certainly, also can establish one towards inner process 513 at the above-mentioned opposite side of blind hole 511, and on the lever interface 20 except that be provided with blind hole 511 towards inner process 513 match towards inner process 613, establish again one with above-mentioned towards inner process 613 vertically arrange towards inner process 614.Adopt concaveconvex structures (512,513,612,613,614) to connect owing to reach the both sides of handle portion interface 20 in brush body liner 3, reduced the volume of toothbrush, brush body is easy to loading and unloading, and brush body rotates more steady.
Fig. 7 a is the schematic longitudinal sectional view that cooperates an end with power transmission shaft 11 of brush body rotating shaft 4; Fig. 7 b is the G-G cutaway view of Fig. 7 a.Kinetic equation loss when driving brush body rotating shaft 4 in order to reduce power transmission shaft 11, processing one on the end face of that end that cooperates with power transmission shaft 11 of brush body rotating shaft 4 is the blind hole 711 of cheese head screw shape towards inner that extend, the cross section of rotating shaft 4 axially along rotating shaft 4, the round end part 712 of this blind hole 711 is the arc greater than semicircle, and directly insert in the blind hole 711 end of the power transmission shaft 11 of Pei Heing with it.
Fig. 8 a is the schematic elevational view of power transmission shaft 11 and dress shift fork 19 thereon; Fig. 8 b is the side view of Fig. 8 a; Fig. 8 c is the vertical view of Fig. 8 a.Fig. 9 is the connection diagram of motor-driven mechanism 13 and power transmission shaft 11.The driving mechanism 13 of above-mentioned connection motor 15 and power transmission shaft 11 comprises a shift fork 19 that is parallel to above-mentioned driving wheel 14 longitudinal axis with the motor driving wheel that links to each other of axle 14 of motor 15, longitudinal axis and a slit 819 is arranged with respect to driving wheel 14 eccentric eccentric pins 18 and one one end and the power transmission shaft 11 close-fitting other ends, one end of above-mentioned eccentric pin 18 embeds in the driving wheel 14, in the slit 819 of other end insertion shift fork 19 (Fig. 9).
Motor 15 in being loaded on handle portion 22 drives driving wheel 14 (Fig. 1 when direction shown in the arrow E is rotated by its output shaft, 9), the eccentric pin 18 that one end embeds driving wheel 14 moves back and forth in the slit 819 of shift fork 19 thereupon, cause power transmission shaft 11 with direction (Fig. 1 shown in the four-headed arrow A, 9) back and forth rotate, also back and forth rotate (Fig. 1 or 2) with direction shown in the four-headed arrow A thereby drive brush body rotating shaft 4.Under the drive of rotating shaft 4, connecting pin 5 rotates thereupon, and the driving bevel gear 6 with pin 5 close-fittings is rotated.Drive driven gear 7 by driving gear 6 and driven gear 7 engagements, thereby bristle supports 9 is back and forth rotated by direction shown in the four-headed arrow B (Fig. 1 or 2).Because the effect of restriction pin 10, bristle supports 9 can move along the axial of steady pin 8 limitedly.
In conjunction with the accompanying drawings the specific embodiment of the present utility model has been done exemplary description above, obviously, this utility model is not limited to this, and the various remodeling that carry out in this utility model scope all do not exceed protection domain of the present utility model.
Claims (7)
1. electric toothbrush, comprise handle portion (22) and have the brush body part (1) of liner (3), brush body part (1) removably links to each other with handle portion (22), the motor (15) that is loaded in the handle portion (22) drives power transmission shaft (11) by a driving mechanism (13), brush body part (1) comprises that one one end has the hollow support pipe (2) of one pot of shape installation portion (21), rotating axle (4) is installed in the pipe (2), initiatively bevel gear (6) and driven bevel pinion (7) and bristle supports (9) are installed in the pot shape installation portion (21), it is characterized in that: have a blind hole on the end of brush body rotating shaft (4) away from handle portion (22), on the axis that is centered close to rotating shaft (4) of blind hole, one end of a connecting pin (5) tightly inserts in the above-mentioned blind hole coaxially, driving bevel gear (6) is housed coaxially, connecting pin (5) and active bevel gear (6) close-fitting on the other end of connecting pin (5); Inlay a steady pin (8) on the sidewall of the pot shape installation portion (21) of above-mentioned hollow support pipe (2), bristle supports (9) and driven bevel gear (7) are all coaxial rotationally to be installed on the said fixing pin (8); Above-mentioned driving bevel gear (6) and driven bevel pinion (7) are engaged with each other.
2. electric toothbrush as claimed in claim 1 is characterized in that: the central angle alpha of above-mentioned active bevel gear (6) and driven umbrella gear (7) is less than or equal to 90 °.
3. electric toothbrush as claimed in claim 1 or 2, it is characterized in that: radially process the groove (311) that is parallel to this Gear axis together along it in driven bevel gear (7) one sides, stretch out a ledge (411) that is parallel to the axis of bristle supports (9) from the end face of the end that cooperates with driven bevel pinion (7) of bristle supports (9), this ledge (411) inserts in the groove (311) of driven bevel pinion (7), and two abutting end faces of driven bevel gear (7) and bristle supports (9) are parallel to each other.
4. electric toothbrush as claimed in claim 3, it is characterized in that: the outer wall of bristle supports (9) one sides is provided with one groove (412), a restriction pin (10) inserts in this groove (412), and the other end of this restriction pin (10) is fixed on the roof of pot shape installation portion (21) of hollow support pipe (2).
5. electric toothbrush as claimed in claim 4, it is characterized in that: the end that is connected with handle portion (22) at brush body liner (3) is provided with a blind hole (511), a radial side of (511) is provided with an outside projection (512) along the hole, this projection (512) is on the center of hole (511), and hole (511) are gone up a side relative with above-mentioned side and are provided with at least one projection (513) inwardly; The respective side of lever interface (20) and above-mentioned blind hole (511) to the corresponding part of outer process (512) also have one with this to outer process (512) match to outer process (612), have on its opposite side at least one and blind hole (511) towards inner process (513) match towards inner process (613), the diameter of lever interface (20) is less than the diameter of blind hole (511) in the brush body liner (3).
6. electric toothbrush as claimed in claim 5, it is characterized in that: processing one on the end face of that end that cooperates with power transmission shaft (11) of brush body rotating shaft (4) is the blind hole (711) of cheese head screw shape towards inner that extend, the cross section of rotating shaft (4) axially along rotating shaft (4), and the round end part (712) of this blind hole (711) is the arc greater than semicircle.
7. electric toothbrush as claimed in claim 6, it is characterized in that: above-mentioned driving mechanism (13) comprises that a motor driving wheel that links to each other with motor shaft (14), longitudinal axis are parallel to the longitudinal axis of above-mentioned driving wheel (14) and the shift fork (19) of a slit (819) is arranged with respect to the eccentric eccentric pin of driving wheel (14) (18) and one one end and power transmission shaft (11) the close-fitting other end, one end of above-mentioned eccentric pin (18) embeds in the driving wheel (14), and the other end inserts in the slit (819) of shift fork (19).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032571194U CN2609520Y (en) | 2003-05-09 | 2003-05-09 | Electric toothbrush |
| PCT/CN2004/000407 WO2004098444A1 (en) | 2003-05-09 | 2004-04-27 | Electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032571194U CN2609520Y (en) | 2003-05-09 | 2003-05-09 | Electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2609520Y true CN2609520Y (en) | 2004-04-07 |
Family
ID=32857044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032571194U Expired - Lifetime CN2609520Y (en) | 2003-05-09 | 2003-05-09 | Electric toothbrush |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2609520Y (en) |
| WO (1) | WO2004098444A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920520B (en) * | 2012-11-30 | 2015-05-13 | 杭州纽乐科技有限公司 | Omnibearing electric toothbrush |
| US9439741B2 (en) | 2014-03-14 | 2016-09-13 | Ranir, Llc | Replacement brush head for an electric toothbrush |
| EP3381404B1 (en) | 2017-03-31 | 2020-10-14 | Trisa Holding AG | Electrical body care brush |
| CN109223230B (en) | 2017-07-11 | 2020-09-25 | Js控股股份有限公司 | Removable brush head for a power toothbrush |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2212570B (en) * | 1987-11-16 | 1992-04-29 | Si Hoe Kok Soon | Motor driven toothbrush |
| GB2220845B (en) * | 1988-07-14 | 1992-08-05 | Si Hoe Kok Soon | Electric toothbrush |
| CN2173044Y (en) * | 1993-12-03 | 1994-08-03 | 龙碧庭 | Rolling type toothbrush with electric device |
| JP3328428B2 (en) * | 1994-06-20 | 2002-09-24 | セイコープレシジョン株式会社 | electric toothbrush |
| JPH08103331A (en) * | 1994-10-03 | 1996-04-23 | Rozensutaa Kk | Motor toothbrush |
| CN2223981Y (en) * | 1995-04-14 | 1996-04-10 | 徐春光 | Flat-rotating electric toothbrush |
| CN2223983Y (en) * | 1995-05-25 | 1996-04-10 | 涂福来 | Electric toothbrush capable of enlarging rotating-angle |
-
2003
- 2003-05-09 CN CNU032571194U patent/CN2609520Y/en not_active Expired - Lifetime
-
2004
- 2004-04-27 WO PCT/CN2004/000407 patent/WO2004098444A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004098444A1 (en) | 2004-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130509 Granted publication date: 20040407 |
|
| DD01 | Delivery of document by public notice |
Addressee: Dai Xiaoguo Document name: Notification of Expiration of Patent Right Duration |