CN1107961C - Switch - Google Patents
Switch Download PDFInfo
- Publication number
- CN1107961C CN1107961C CN98120085A CN98120085A CN1107961C CN 1107961 C CN1107961 C CN 1107961C CN 98120085 A CN98120085 A CN 98120085A CN 98120085 A CN98120085 A CN 98120085A CN 1107961 C CN1107961 C CN 1107961C
- Authority
- CN
- China
- Prior art keywords
- contact
- shell
- moving contact
- mentioned
- button
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
- H01H13/183—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/563—Angularly-movable actuating part carrying contacts, e.g. drum switch with an initial separation movement perpendicular to the switching movement
Abstract
The present invention relates to a sure contact switch to remove an oxide film formed on a contact 4a, 5a, 7a due to an arc and enable sure contact by a movable contact 7 being vertically moved in axial direction of a support 2b by a protrusion 2c provided at a case through movement of a push button and being sliding contact with a fixed contact 4, 5.
Description
Technical field
The present invention relates to be applicable to the switch of refrigerator etc.
Background technology
Existing switch, for example be used to out, when closing refrigerator doors, light, extinguishing the refrigerator intraoral illumination opens with motor with the switch of lamp or to cooling, close the switch of operation, as shown in figure 10, has the shell of making by the formed products of synthetic resin 21, two fixed contacts 22 that are made of elastic metal sheet are installed in this shell 21,23 and the common moving contact 24 that constitutes by elastic metal sheet, the 24a of contact portion of common moving contact 24 and fixed contact 22,23 the 22a of contact portion, 23a is relative status, and the 24a of contact portion can be respectively and the 22a of contact portion, 23 contacts, break away from.
In shell 21, the driving body 25 of the ㄑ font that is halved together with the pillar 21a that is arranged in the shell 21 is arranged, this driving body 25 is that the rotating mode in center is provided with pillar 21a, so that drive moving contact 24 with an end of driving body 25.
In addition, being equipped with axle 26a in shell 21 is the rotating button 26 of fulcrum, simultaneously, is provided with helical spring 27 between shell 21 and button 26, and by this helical spring 27, snap-on push button 26 always.
By helical spring 27, be fulcrum with axle 26a, counter clockwise direction snap-on push button 26, the part of button 26 is outstanding to the outside from the hole 21b of shell 21, and simultaneously, the protuberance 26b of button 26 is fixed in the inside of shell 21, has stoped the above-mentioned rotation of button 26.
This switch is installed in the refrigerator, along with the action of open and close refrigerator doors, and button 26 motions.
Shown among Figure 10 and opened refrigerator doors that the part of button 26 is from the outstanding to the outside state of the hole 21b of shell 21.In this state, the 24a of contact portion of moving contact 24 contacts with the 22a of contact portion of fixed contact 22, and the electric light in the moving contact 24 and fixed contact 22 conductings, refrigerator is lighted or cooled off with motor and is halted state.
In this state, the door that turns a refrigerator off, goalkeeper's button 26 is pressed to the direction of arrow P, and button 26 is acted on by helical spring 27, is that fulcrum rotates toward the clockwise direction with axle 26a, and button 26 is pushed back in the shell 21.
Like this, driving body 25 is that rotate at the center by this button 26 with pillar 21a, and because of the rotation of driving body 25, moving contact 24 just can be movable, and the 24a of contact portion leaves the 22a of contact portion, contacts with the 23a of contact portion of fixed contact 23.
At this moment, the 24a of contact portion contacts with the 23a's of contact portion, becomes collision, i.e. beating type contact condition, and the electric light in the refrigerator extinguishes simultaneously, perhaps cools off with motor to be the state of working on.
Open door in this state, as shown in figure 10, the part of button 26 is by helical spring 27, outstanding to the outside from hole 21b, simultaneously, moving contact 24 by self elasticity and reply, then driving body 25 is pushed back, the 24a of contact portion separates with the 23a of contact portion, is the beating type contact condition with the 22a of contact portion of fixed contact 22, and electric light is lighted or cooled off with motor and is the state of quitting work.
Existing switch, owing to need be used to drive the driving body 25 of moving contact 24, number of spare parts is many, the cost height, and need storage space, bulky problem is arranged.
In addition, moving contact 24 is made by elastic metal sheet, therefore material is expensive, and cost improves, and because 24a of contact portion and the 22a of contact portion, the contact of 23a is a beating type, 24a of contact portion and the 22a of contact portion almost do not have sliding motion between the 23a, so can be residual by occurring in 24a of contact portion and the 22a of contact portion, the contact oxidation film that electric arc between the 23a causes, thus come in contact problems such as bad.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, volume is little, the switch of contact stabilization.
In order to realize purpose of the present invention, switch of the present invention has shell, is arranged on the protuberance in this shell, is installed in the fixed contact in the aforementioned shell, by the moving contact that pillar is being mounted pivotably, be the button that aforementioned moving contact is rotated at the center with aforementioned pillar.By moving of aforementioned button, aforementioned moving contact is when rotating, and colliding with aforementioned protuberance connects, and the contact portion of aforementioned moving contact moves up and down at the direction of principal axis of aforementioned pillar, with the sliding contact of aforementioned fixation contact.
Described switch is installed helical spring on aforementioned pillar, by to the aforementioned fixed contact time, aforementioned moving contact suppresses by the said spiral spring, can move up and down along aforementioned protuberance with aforementioned moving contact.
Described switch is an end and the aforementioned moving contact overlap joint of said spiral spring, and the other end and aforementioned shell overlap joint suppress aforementioned moving contact to being the rotation direction at center with aforementioned pillar, and aforementioned moving contact is followed moving of aforementioned button and rotated.
Described switch is the top that the cap with a part that constitutes aforementioned shell suppresses the said spiral spring, suppresses aforementioned moving contact with the bottom of said spiral spring.
Description of drawings
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the stereogram of switch of the present invention;
Fig. 2 is the major part cross-sectional plan view of switch of the present invention;
Fig. 3 is the sectional view along the A-A line of Fig. 2;
Fig. 4 is the sectional view along the B-B line of Fig. 2;
Fig. 5 is the major part sectional view of the installment state of expression switch of the present invention;
Fig. 6 is the major part cross-sectional plan view that is used to illustrate the action of switch of the present invention;
Fig. 7 A, Fig. 7 B, Fig. 7 C, Fig. 7 D, Fig. 7 E are the key diagrams that is used to illustrate the contact change action of switch of the present invention;
Fig. 8 is the stereogram of other embodiment of expression switch of the present invention;
Fig. 9 is the major part cross-sectional plan view of other embodiment of expression switch of the present invention;
Figure 10 is the major part cross-sectional plan view of existing switch.
Embodiment
Referring to figs. 1 through Fig. 7 A～Fig. 7 E, to switch of the present invention, when for example being used for the open and close refrigerator doors, light, extinguish refrigerator intraoral illumination lamp or the switch that is used to start, stops to cool off with motor describes.By the shell 1 that the forming synthetic resin product are made, there are the shell body 2 of blank part and the cap 3 that covers the blank part of this shell body 2 to constitute by inside, cap 3 is combined with shell body 2.
The protuberance 2c that shell body 2 has a 2a of portion, is set to the pillar 2b of one and is arranged at the blank part inner bottom part with shell body 2 in blank part.
The fixed contact of being made by metallic plate 4,5 has the 4a of contact portion, 5a and portion of terminal 4b, and 5b is individually fixed in the shell body 2.
The common fixed contact of being made by metallic plate, portion of terminal 6a is arranged 6 is inserted under the state of logical (with reference to Fig. 3) with pillar 2b in its part, is individually fixed in the shell body 2.
The moving contact of being made by metallic plate 7 has the 7a of contact portion that is located at the one end, is located at the hole 7b of the other end, the wrist 7d that is arranged at the protuberance 7c between 7a of contact portion and the hole 7b and is formed by bending at sidepiece.
Pillar 2b inserting hole 7b is supported by the rotatable earth's axis by pillar 2b moving contact 7, simultaneously, when moving contact 7 rotates, the protuberance 2c of its protuberance 7c and shell body 2 collides and connects, and the 7a of contact portion crosses protuberance 2c, and the 7a of contact portion is moved up and down on the direction of principal axis of pillar 2b.And, moving contact 7 under the state that is permanently connected to common fixed contact 6, can with the 4a of contact portion of fixed contact 4,5,5a contacts, breaks away from.
In addition, spiral helicine helical spring 8 is inserted logical pillar 2b at the central portion of the 8a of helical form portion, and is installed in the shell body 2 the wrist 7d overlap joint of one end 8b and moving contact 7, the part overlap joint of other end 8c and shell body 2.
By helical spring 8, to be the center with pillar 2b suppressed by clockwise direction always moving contact 7, and simultaneously, by the 8a of helical form portion, moving contact 7 is suppressed to common fixed contact 6 always, and moving contact 7 is the state of being permanently connected to fixed contact 6.
Be installed on the helical spring 8 in the shell body 2, when being installed on cap 3 in the shell body 2,, strengthen the pressing force of moving contact 7, make two contacts contact more reliably to fixed contact 6 with the top that cap 3 suppresses the 8a of helical form portion.
The button of making by the formed products of synthetic resin 9, have the fixed part 9a that is formed on an end that is provided with grooving and be located at inner recess 9b, this button 9 is inserted the 2a of the tube portion rear spring locking of logical shell body 2, with the 2a of tube portion is that guide can move up and down, fixed part 9a is fixed in the shell body 2, can prevent to deviate from from the shell 1 of button 9.
One end of spiral helicine spring 10 inserts the recess 9b of button 9, and the other end is fixed in the part of shell body 2, and spring 10 suppresses button 9 always towards the top.
The part of button 9 is collided with the wrist 7d of moving contact 7 always and is connect, and to stop the above-mentioned rotation of moving contact 7, along with moving of button 9, moving contact 7 rotates, thereby carries out the switching of contact.
This switch is installed in the refrigerator, and by the action of open and close refrigerator doors, button 9 is movement therewith also.
For the action of switch of the present invention is described, Fig. 2 has shown and has opened refrigerator doors that the part of button 9 is from the outstanding to the outside state of the 2b of tube portion of shell 1.In this state, the 7a of contact portion of moving contact 7 contacts with the 4a of contact portion of fixed contact 4, and common fixed contact 6 is conducted with fixed contact 4, and the electric light in the refrigerator is lighted or cooled off with motor and is the state of quitting work.
Under the state of Fig. 2, refrigerator doors is closed, press to the arrow P direction with goalkeeper's button 9, button 9 is acted on by spring 10 and moves along straight line, and as shown in Figure 6, button 9 is pressed in the shell 1.
By button 9, moving contact 7 is acted on by the elasticity of helical spring 8, is that rotate at the center with pillar 2b.
The protuberance 7c of moving contact 7 and the protuberance 2c of shell 1 collide and connect, along protuberance 2c and cross protuberance 2c, the 7a of contact portion moves up and down, and the 7a of contact portion separates with the 4a of contact portion of fixed contact 4, contact with the 5a of contact portion of fixed contact 5, fixed contact 6 and fixed contact 5 are connection status.
At this moment, the electric light in the refrigerator extinguishes, and perhaps cools off with motor to be the state of working on.
Switching from the state of Fig. 2 to the contact the state of Fig. 6, shown in Fig. 7 A, at first, moving contact 7 and fixed contact 4 conductings, the separated attitude of protuberance 2c of the protuberance 7c of moving contact 7 and shell 1.
When moving contact 7 was the center rotation with pillar 2b, shown in Fig. 7 B, the 7a of contact portion rotated with sliding contact limit, contact portion 4a limit before protuberance 7c knocks protuberance 2c.
If moving contact 7 is rotated further, shown in Fig. 7 C, protuberance 7c withstand on protuberance 2c above, simultaneously, the 7a of contact portion separates with the 4a of contact portion, then, shown in Fig. 7 D, when protuberance 7c crossed protuberance 2c, 7a of contact portion and the 5a of contact portion were contact condition.
If moving contact 7 is rotated further, then shown in Fig. 7 E, when moved on 7a of contact portion and sliding contact limit, contact portion 5a limit, protuberance 7c separated with protuberance 2c, thereby can carry out the switching of contact.
Under the state of Fig. 6, open door, as shown in Figure 2, the part of button 9 is outstanding to the outside from shell 1 by spring 10, simultaneously, moving contact 7 is replied by helical spring, thus, the 7a of contact portion separates with the 5a of contact portion, contact with the 4a of contact portion of fixed contact 4, fixed contact 6 becomes connection status with fixed contact 4, and electric light is lighted or cooled off with motor and is the state of quitting work.
The switching of this contact therebetween, according to aforementioned opposite action, promptly carry out the contact and switch from the action of Fig. 7 E to Fig. 7 A.
That Fig. 8 and Fig. 9 represent is other embodiment of switch of the present invention, the structure of this embodiment is, the axle 11a of button 11 is installed in the shell 1, button 11 is that the center is when being installed in rotation in the shell 1 with axle 11a, moving contact contacts with button 11, in addition, spring 12 is installed in the shell 1, button 11 is suppressed upward always with an end of spring 12.
Other structure is same as the previously described embodiments, and therefore same part uses same label, at this omission will be described.
In this embodiment, as shown in Figure 9, when the arrow P direction was pushed, button 11 was acted on by spring 12 with button 11, was that rotate at the center with axle 11a, thereby was pressed in the shell 1.
Like this,, can carry out the switching of contact, omission will be described at this by the action identical with previous embodiment.
Switch of the present invention, by moving of button 9, moving contact 7 relies on the protuberance 2c of shell 1 to move up and down at the direction of principal axis of pillar 2b, thereby slide to fixed contact 4,5, therefore can rely on the sliding action of contact to remove the 4a of contact portion, 5a, the oxide-film of 7a, this oxide-film are that the electric arc that takes place when switching because of the contact produces, thereby can provide contact reliable switch.
In addition, because of button 9 directly contacts with moving contact 7, can save existing driving body 25, so the switch of a kind of low price, miniaturization can be provided.
In addition, because there is no need to resemble, makes with elastic metal sheet existing moving contact 7, so a kind of low-cost switch can be provided.
In addition, because the helical spring that is installed on the pillar 2c suppresses moving contact 7 to fixed contact 6,, can provide a kind of stable switch that connects so moving contact 7 is reliable with contacting of fixed contact 6.
In addition, because moving contact 7 is suppressed to rotation direction with helical spring 8, so that helical spring 8 not only can have been pushed but also can suppress to the rotation direction of moving contact 7 to the fixed contact 6 of moving contact 7, can reduce number of spare parts, thereby a kind of low price and the high switch of productivity ratio can be provided.
In addition, because suppress helical spring 8 with cap 3, thus moving contact 7 more effectively can be pushed to fixed contact 6, thus a kind of more reliable switch of contact of contact can be provided.
Claims (2)
1. switch, it comprises: shell, be installed in the fixed contact on the shell, can reciprocatingly be installed in the button on the shell, be installed on the above-mentioned shell, move the moving contact that contacts/leave with the said fixing contact with above-mentioned ammonium button;
It is characterized in that:
Also be provided with protuberance on the above-mentioned shell;
Above-mentioned moving contact is being supported by rotating axle by pillar, and the helical spring that is installed on the above-mentioned pillar is pressed to the said fixing contact with above-mentioned moving contact, and above-mentioned moving contact can reciprocatingly move along raised part;
An above-mentioned helical spring end and moving contact overlap joint, the other end and above-mentioned shell overlap joint are to suppressing above-mentioned moving contact with the pillar for the center rotation direction;
Above-mentioned moving contact rotates with moving of above-mentioned button, and bumps with raised part and to connect, and the contact portion of above-mentioned moving contact moves back and forth on the direction of principal axis of described pillar, with described fixed contact sliding contact.
2. switch according to claim 1 is characterized by, and with the top that the cap of a part that constitutes aforementioned shell suppresses the said spiral spring, suppresses aforementioned moving contact with the bottom of said spiral spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP272526/1997 | 1997-10-06 | ||
| JP9272526A JPH11111105A (en) | 1997-10-06 | 1997-10-06 | Switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1213839A CN1213839A (en) | 1999-04-14 |
| CN1107961C true CN1107961C (en) | 2003-05-07 |
Family
ID=17515131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98120085A Expired - Fee Related CN1107961C (en) | 1997-10-06 | 1998-10-06 | Switch |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0908906B1 (en) |
| JP (1) | JPH11111105A (en) |
| KR (1) | KR100289917B1 (en) |
| CN (1) | CN1107961C (en) |
| DE (1) | DE69813719T2 (en) |
| MY (1) | MY120162A (en) |
| TW (1) | TW385459B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001035313A (en) * | 1999-07-26 | 2001-02-09 | Alps Electric Co Ltd | Switching device |
| DE10237282B4 (en) | 2001-08-20 | 2022-11-10 | Omron Corp. | Switches, push button switches and rotary lever switches |
| KR101199678B1 (en) | 2006-04-12 | 2012-11-08 | 엘지전자 주식회사 | Door switch used in a refigerator |
| CN102194590A (en) * | 2010-03-16 | 2011-09-21 | 深圳富泰宏精密工业有限公司 | Keypad structure and portable electronic device having same |
| CN101814386B (en) * | 2010-03-19 | 2013-02-27 | 张家港华峰电接插元件有限公司 | Refrigerator door switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881077A (en) * | 1974-03-11 | 1975-04-29 | Cutler Hammer Inc | Refrigerator-freezer, two-door operated switch |
| CN2186384Y (en) * | 1994-03-01 | 1994-12-28 | 上海市航空电器厂 | Controlled lamp switch of refrigerator |
| CN1105749A (en) * | 1993-12-30 | 1995-07-26 | 株式会社金星社 | Push switch for refrigerator door |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1626463A (en) * | 1923-12-31 | 1927-04-26 | Jesse F Harrington | Switch |
| US3819894A (en) * | 1973-03-07 | 1974-06-25 | Gulf & Western Industries | Rotary switch with linear plunger and helical motion transferring means |
-
1997
- 1997-10-06 JP JP9272526A patent/JPH11111105A/en not_active Withdrawn
-
1998
- 1998-09-22 TW TW087115785A patent/TW385459B/en not_active IP Right Cessation
- 1998-09-25 MY MYPI98004417A patent/MY120162A/en unknown
- 1998-09-29 DE DE69813719T patent/DE69813719T2/en not_active Expired - Fee Related
- 1998-09-29 EP EP98307894A patent/EP0908906B1/en not_active Expired - Lifetime
- 1998-10-01 KR KR1019980041413A patent/KR100289917B1/en not_active IP Right Cessation
- 1998-10-06 CN CN98120085A patent/CN1107961C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881077A (en) * | 1974-03-11 | 1975-04-29 | Cutler Hammer Inc | Refrigerator-freezer, two-door operated switch |
| CN1105749A (en) * | 1993-12-30 | 1995-07-26 | 株式会社金星社 | Push switch for refrigerator door |
| CN2186384Y (en) * | 1994-03-01 | 1994-12-28 | 上海市航空电器厂 | Controlled lamp switch of refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990036771A (en) | 1999-05-25 |
| EP0908906A1 (en) | 1999-04-14 |
| DE69813719D1 (en) | 2003-05-28 |
| DE69813719T2 (en) | 2003-10-16 |
| MY120162A (en) | 2005-09-30 |
| TW385459B (en) | 2000-03-21 |
| EP0908906B1 (en) | 2003-04-23 |
| CN1213839A (en) | 1999-04-14 |
| KR100289917B1 (en) | 2001-05-15 |
| JPH11111105A (en) | 1999-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1217360C (en) | Lever switch | |
| CN1240301A (en) | Push-button switch and the input device for using same | |
| EP1898435B1 (en) | Switch and contact modules therefor | |
| CN1107961C (en) | Switch | |
| CN1190816C (en) | Limiting breaker including auxiliary energy storage component | |
| CN1183568C (en) | Composite operation type switching device | |
| CN1233003C (en) | Contact mechanism of switch and electrical switch | |
| CN1133185C (en) | Switch device | |
| JP2565582Y2 (en) | Lever switch | |
| CN106373819B (en) | Panel-switch | |
| CN1246870C (en) | Switch gear | |
| CN211879277U (en) | Push-button switch | |
| CN112252866A (en) | Turnover electric handle | |
| CN1421886A (en) | Button switch | |
| KR20230003010A (en) | changeover switch | |
| CN1130742C (en) | See-saw switch | |
| CN1264177C (en) | Switch | |
| CN1248267C (en) | Switch | |
| CN216928322U (en) | Isolating switch | |
| CN1147769C (en) | Pivot unit for eject keyboard | |
| CN220474498U (en) | Contact system | |
| CN213988781U (en) | Opening and closing handle mechanism of plug-in circuit breaker and circuit breaker | |
| CN212182196U (en) | Automobile central lock switch | |
| CN1233005C (en) | Rotational operating type electronic unit | |
| CN210516546U (en) | Novel mechanical key switch of conduction mode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030507 Termination date: 20101006 |