CN101866222A - Dustproof keyboard - Google Patents
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- CN101866222A CN101866222A CN 201010198294 CN201010198294A CN101866222A CN 101866222 A CN101866222 A CN 101866222A CN 201010198294 CN201010198294 CN 201010198294 CN 201010198294 A CN201010198294 A CN 201010198294A CN 101866222 A CN101866222 A CN 101866222A
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Abstract
The invention relates to the computer input output device, in particular to an easily cleaned dustproof keyboard. The dustproof keyboard comprises keystrokes, a bottom shell and a panel. The keystrokes are arranged on the bottom shell. The invention is characterized in that the panel is provided with key holes, each keystroke corresponds to one key hole on the panel, and a detachable connection structure is arranged between the panel and the bottom shell so that the panel can be detached independently to be cleaned. The invention provides a dustproof keyboard the panel surface of which can be cleaned easily.
Description
Technical field
The present invention relates to computing machine input and output equipment, relate in particular to a kind of dustproof keyboard of easy cleaning.
Background technology
As a kind of instrument, robot calculator is widely used among people's life, study, work and the amusement, and is essential in our life.
Keyboard as the very low the most frequently used computer entry device of a kind of cost, brings great convenience to the user, is difficult to the imagination, if there has not been keyboard, the input speed of computing machine will be how.
Computer keyboard commonly used is formed by panel, drain pan, button, and button is divided into some cohorts, has position, some groups of holes on the panel, position, the corresponding group hole of each cohort.Each button as the numeric keypad of the 101 keyboard rightmost sides just constitutes a cohort, and accordingly, the panel rightmost side has position, a group hole; The main key zone that alphabet key is set for another example also is a cohort, just has position, a group hole on the relevant position of panel; Directionkeys cohort, function key cohort also are the same.Yet, be not that all computing machines all are operated in the dust free room, have in common office, have in family, also have in public Internet bar, external environment condition varies, so, the dust accumulation brings many worries to the user on the keyboard.
With reference to figure 1, it is a kind of known keyboard, comprise face-piece 001, drain pan 004, button 002, its button 002 is arranged in one on the plate 003, middle plate 003 is fixedlyed connected with face-piece 001, is connected this known keyboard again with drain pan 004, pull down separately that plate 003 and drain pan 004 promptly can be scattered in face-piece 001 back, can not continue to use.The layman is difficult to it is reinstalled former state under the situation that does not have the special tool anchor clamps.
The technician of computing machine aspect is devoted to address this problem always; invented the keyboard diaphragm afterwards; as Chinese patent literature CN1105761 in disclosed a kind of operating control keyboard dust-proof protective film for computer on July 26 nineteen ninety-five; it be on operation keyboard, be provided with transparent; tough flexible keyboard cuticula; each singly-bound plane cuticula buffering keystroke or air cushion blocking and key symphysis become working standard key group; and be provided with ball functional hole position; the cutting groove adapts to the diverse location fractal structure of the special keyboard group of all kinds of abnormity; buffering keystroke pad can be regulated unbalanced keystroke dynamics; make under the key electric contact have normal work contact to improve reliability; have dustproof; moistureproof; operate more comfortable again can be cleaned and changed at any time; simple installation; keyboard health and serviceable life are improved, and are more suitable for the public place inquiry; read-write; cash register; the working environment adaptive faculty that programming etc. are wideer.
Keyboard dust-proof protective film can clean, and in the time of the protection keyboard, the cleaning ratio of self is easier to.But its weak point also is conspicuous, and diaphragm is that the film on each button of flexible glue material links mutually, need use bigger dynamics during keystroke; and; the friction force of this dust-proof protective film and finger is big than button itself, has changed operator's feel, uses inconvenience.And the keyboard dust-proof protective film based elastomers, be not durable.
Also there is the technician to adopt and the diverse solution of aforesaid way, as Chinese patent literature CN2295243 in disclosed a kind of totally-enclosed computer keyboard on October 21st, 1998, form by strong cap layer, cover layer and pallet layer, cover layer, pallet layer and key cap layer are tightly connected and are provided with supporting layer in key cap layer and the pallet layer, keycap and guide rod fuse, and the bottom of guide rod is an elastic ring.Big keys such as space bar, enter key, tab key, cap lock key, shift key, lining one deck duroplasts in keycap.The top of streamlined keyboard is provided with a groove.During assembling circuit board is placed between pallet layer and the supporting layer, trip bolt adds the sealing rubber washer, drips seccotine between the slit of extension line, promptly makes keyboard is totally-enclosed.
Totally-enclosed keyboard has solved dustproof and keystroke feel problem, but its cover layer and button and drain pan are a non-disconnectable integral body, and the dismounting cover layer has promptly been opened whole keyboard, and keyboard can not use, and therefore cleaning cover layer has become new problem again.Though this keyboard has solved the dustproof problem of keyboard, it is of a specified duration that this keyboard is used, and the cover layer surface can accumulate a large amount of dusts, and very be not easy cleaning.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art part and a kind of dustproof keyboard that is easy to clear up panel surface is provided.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of dustproof keyboard comprises button, drain pan and panel, and described button is arranged on the described drain pan, it is characterized in that: have keyhole on the described panel, each button is corresponding with a keyhole on the panel; Have dismountable syndeton between described panel and the described drain pan, clean so that can pull down panel separately.
A kind of dustproof keyboard is characterized in that: described button has up-small and down-big pyramidal structure, and accordingly, described keyhole also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.05mm to 0.4mm between described button and the described keyhole.
A kind of dustproof keyboard is characterized in that: described button has up-small and down-big pyramidal structure, and accordingly, described keyhole also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.1mm or 0.2mm or 0.25mm or 0.3mm between described button and the described keyhole.
A kind of dustproof keyboard is characterized in that: described dismountable syndeton is a flexible clamping, or the snap close connection, or interference fit connects.
A kind of dustproof keyboard is characterized in that: this dustproof keyboard also comprises middle plate, and the set-up mode of button on drain pan is that on the plate, middle plate was fixedly connected on described drain pan again during described button was connected in.
A kind of dustproof keyboard is characterized in that: described button further comprises keyseat and keycap, has the labyrinth type dustproof construction between described keyseat and the keycap; Described labyrinth type dustproof construction comprises two dustproof grooves that all are circumferentially set that are arranged at the keycap bottom, article one, dustproof groove is sheathed on the outside of the dustproof groove of second, described labyrinth type dustproof construction comprises also and is arranged at described keyseat top and two sidewalls that dustproof groove is complementary that two sidewalls all are circumferentially set.
A kind of dustproof keyboard is characterized in that: described button further comprises keyseat and keycap, has the labyrinth type dustproof construction between described keyseat and the keycap; Described labyrinth type dustproof construction comprises two dustproof grooves that all are circumferentially set that are arranged at the keycap bottom, article one, dustproof groove is sheathed on the outside of the dustproof groove of second, described labyrinth type dustproof construction comprises also and is arranged at described keyseat top and two sidewalls that dustproof groove is complementary that two sidewalls all are circumferentially set; Described two dustproof groove horizontal directions are the setting of " returning " font, and accordingly, described two sidewalls also are the setting of " returning " font, and article one sidewall sheath is located at the outside of second sidewall; The dustproof groove of the inwall of second sidewall and second constitutes the guiding of longitudinal sliding motion; Or described two dustproof groove horizontal directions are circular, and accordingly, described two sidewalls also are circular, and article one sidewall sheath is located at the outside of second sidewall; The dustproof groove of the inwall of second sidewall and second constitutes the guiding of longitudinal sliding motion.
Purpose of the present invention can also be achieved through the following technical solutions:
A kind of dustproof keyboard, comprise button, face-piece and drain pan, described button is divided into some cohorts, has position, some groups of holes on the face-piece, position, the corresponding group hole of each cohort, button, face-piece and drain pan constitute an independently combination, it is characterized in that: this dustproof keyboard also comprises a dustproof panel, have some keyholes on the described dustproof panel, the corresponding button of each keyhole; Has dismountable syndeton between described face-piece and the described dustproof panel.
A kind of dustproof keyboard is characterized in that: a kind of dustproof keyboard according to claim 1 is characterized in that: described button has up-small and down-big pyramidal structure, and accordingly, described keyhole also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.05mm to 0.4mm between described button and the described keyhole.
A kind of dustproof keyboard is characterized in that: described button has up-small and down-big pyramidal structure, and accordingly, described keyhole also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.1mm or 0.2mm or 0.25mm or 0.3mm between described button and the described keyhole.
A kind of dustproof keyboard is characterized in that: described dismountable syndeton is a flexible clamping, or the snap close connection, or wringing fit connects.
A kind of dustproof keyboard is characterized in that: described button further comprises keyseat and keycap, has the labyrinth type dustproof construction between described keyseat and the keycap; Described labyrinth type dustproof construction comprises two dustproof grooves that all are circumferentially set that are arranged at the keycap bottom, article one, dustproof groove is sheathed on the outside of the dustproof groove of second, described labyrinth type dustproof construction comprises also and is arranged at described keyseat top and two sidewalls that dustproof groove is complementary that two sidewalls all are circumferentially set; Described two dustproof groove horizontal directions are " returning " font or circular setting, and the shape of the shape of described two sidewalls and described two dustproof grooves is complementary, and article one sidewall sheath is located at the outside of second sidewall; The dustproof groove of the inwall of second sidewall and second constitutes the guiding of longitudinal sliding motion.
Purpose of the present invention can also be achieved through the following technical solutions:
A kind of keyboard dust-proof method, it is characterized in that may further comprise the steps: S1. installs a dustproof panel additional on common keyboard, on the dustproof panel keyhole is set, each keyhole is corresponding with a button, between dustproof panel and the common keyboard removable structure with flexible clamping is set; When S2. meeting dust, pull down dustproof panel and clean; S3. reinstall dustproof panel.
Dustproof keyboard of the present invention, button is arranged on the drain pan, have keyhole on the panel, each button is corresponding with a keyhole on the panel, has dismountable syndeton between panel and the described drain pan, can pull down panel separately cleans, because of button is arranged on the drain pan, button can not be scattered when pulling down dustproof panel, compared with prior art, dustproof keyboard of the present invention does not change the button feel, easily cleaning surface accumulation dust.Another kind of dustproof keyboard of the present invention, button, face-piece and drain pan constitute an independently combination, be equivalent to a common keyboard, on the common keyboard face-piece, one dustproof panel is set by the mode of removably connecting, so that should realize the cleaning keyboard by dustproof panel by cleaning, the face-piece inconvenience dismounting of common keyboard, group position, hole on the corresponding face-piece of same button cohort, easily accumulate dust between the button in the same cohort and do not tear the basic method cleaning of crossing of keycap open, compared with prior art, a kind of dustproof keyboard of the present invention does not change the button feel, easily cleaning surface accumulation dust.The panel of aforementioned two kinds of technical schemes or dustproof panel all have and button keyhole one to one, and all have these specified features of dismountable syndeton, thereby propose as an application.
Keyboard dust-proof method of the present invention installs a dustproof panel additional on common keyboard, each keyhole is corresponding with a button, therefore, when meeting dust, pulls down dustproof panel and cleans; Put in back dustproof panel after the cleaning.Compared with prior art, have dustproof characteristics simultaneously easy to clean.
Description of drawings
Fig. 1 is a kind of synoptic diagram of known keyboard.
Fig. 2 is the synoptic diagram of first embodiment of the invention.
Fig. 3 is a buckle structure synoptic diagram in the first embodiment of the invention.
Fig. 4 is the labyrinth structure synoptic diagram of first embodiment of the invention dustproof keyboard.
Fig. 5 is the partial schematic diagram of second embodiment of the invention when unassembled.
Fig. 6 is the partial schematic diagram after the second embodiment of the invention assembling.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
With reference to figure 2, Fig. 3, Fig. 4, first embodiment of the invention is a kind of dustproof keyboard, comprises button 103, drain pan 102 and panel 101.Described button 103 is arranged on the described drain pan 102, and this dustproof keyboard also comprises middle plate 104, and the set-up mode of button 103 on drain pan 102 is that on the plate 104, middle plate 104 was fixedly connected on described drain pan 102 again during described button 103 was connected in.Have keyhole 1011 on the described panel, each button 103 is corresponding with a keyhole 1011 on the panel 101, that is to say that the quantity of button 103 equals the quantity of keyhole 1011.Have dismountable syndeton between described panel 101 and the described drain pan 102, clean, and keep other parts of dustproof keyboard to be still an integral body, be not scattered because of pulling down panel so that can pull down panel 101 separately.
In the present embodiment, described button 103 has up-small and down-big pyramidal structure, and accordingly, described keyhole 1011 also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.2mm between described button 103 and the described keyhole 1011.According to inventor's survey formula, select 0.05mm or 0.1mm or 0.15mm or 0.25mm or 0.3mm or 0.4mm, also can play dustproof effect.
Refer again to Fig. 3, in the present embodiment, described dismountable syndeton is that snap close connects, have first snap close, 105, the first snap closes 105 and panel 101 on the panel 101 and be set to one, second snap close 106 is set on the drain pan 102, pass through a spring 107 fastenings between first snap close 105 and second snap close 106, when needing dismounting panel 101, overcoming spring force by an operating knob can separate panel 101 with drain pan 102, carry out cleaning.At this moment, other parts of dustproof keyboard are still as a whole, and are not scattered because of pulling down panel.
Certainly, elastic lock herein also can be a flexible clamping, and an elastomeric element (spring roof pressure one steel ball or rubber-like plastic cement button hook) is set on panel 101, and a screens is set on drain pan 102, constitutes flexible clamping.Another scheme, also can be panel 101 bottom sides be connected with interference fit between the drain pan 102 in connection herein, panel 101 bottom sides are clipped in the side of drain pan 102 in friction tight mode, rely on friction force to realize being connected between panel 101 and the drain pan 102.
Refer again to Fig. 4, in the present embodiment, described button 103 further comprises keyseat 1032 and keycap 1031, has the labyrinth type dustproof construction between described keyseat 1032 and the keycap 1031; Described labyrinth type dustproof construction comprises two dustproof grooves 10311/10312 that all are circumferentially set that are arranged at keycap 1031 bottoms, article one, dustproof groove 10311 is sheathed on the outside of the dustproof groove 10312 of second, described labyrinth type dustproof construction also comprise be arranged at 10321/10322, two sidewall 10321/10322 of sidewall that described keyseat 1032 tops and two dustproof grooves 10311/10312 be complementary circumferentially all sealing be provided with.
Further, in the present embodiment, described two dustproof groove 10311/10312 horizontal sections are the setting of " returning " font, accordingly, described two sidewalls 10321/10322 also are the setting of " returning " font, and article one sidewall 10321 is sheathed on the outside of second sidewall 10322; The dustproof groove 10312 of the inwall of second sidewall 10322 and second constitutes the guiding of longitudinal sliding motion.
Among Fig. 4,000 the expression dust enter button inside must through passage, present embodiment is because of having adopted the labyrinth type dustproof construction, length and revolution number of times that moving air and dust enter the passage of button inside have been increased, by contrast, the inside and outside air of button is difficult to circulation, dust button then more difficult to get access inside.Two dustproof grooves and two labyrinths that sidewall constitutes are a kind of signal in the present embodiment, and dustproof groove and the labyrinth that corresponding sidewall constitutes belong to labyrinth structure of the present invention equally more than three or three.
Certainly, as a kind of replacement scheme of present embodiment, described two dustproof groove 10311/10312 horizontal direction cross sections also can be circular, and accordingly, described two sidewalls 10321/10322 also are circular.
With reference to figure 5, Fig. 6, second embodiment of the invention also is a kind of dustproof keyboard, with be outside first embodiment of the invention different, the dustproof keyboard of present embodiment comprises a common keyboard that has face-piece itself, increase a dustproof panel on face-piece, have keyhole on the dustproof panel, keyhole is corresponding one by one with button, dustproof panel is connected for the elasticity screens with connected mode between the face-piece, also can be the interference fit connection described in first embodiment.Fig. 5 is a key cohort 201 and the state of pulling down dustproof panel 202 of common keyboard, and Fig. 6 is the state after dustproof panel 202 installs.
The 3rd embodiment of the present invention is a kind of keyboard dust-proof method, may further comprise the steps:
S1. install a dustproof panel additional on common keyboard, on the dustproof panel keyhole is set, each keyhole is corresponding with a button, between dustproof panel and the common keyboard removable structure with flexible clamping is set;
When S2. meeting dust, pull down dustproof panel and clean;
S3. reinstall dustproof panel.
Adopt the method for present embodiment, can be to existing common keyboard, the especially Internet bar's keyboard upgrading that prevents dust.
Claims (10)
1. a dustproof keyboard comprises button, drain pan and panel, and described button is arranged on the described drain pan, it is characterized in that: have keyhole on the described panel, each button is corresponding with a keyhole on the panel; Have dismountable syndeton between described panel and the described drain pan, clean so that can pull down panel separately.
2. a kind of dustproof keyboard according to claim 1 is characterized in that: described button has up-small and down-big pyramidal structure, and accordingly, described keyhole also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.05mm to 0.4mm between described button and the described keyhole.
3. a kind of dustproof keyboard according to claim 1 is characterized in that: described dismountable syndeton is a flexible clamping, or the snap close connection, or interference fit connects.
4. a kind of dustproof keyboard according to claim 1 is characterized in that: this dustproof keyboard also comprises middle plate, and the set-up mode of button on drain pan is that on the plate, middle plate was fixedly connected on described drain pan again during described button was connected in.
5. according to the described a kind of dustproof keyboard of aforementioned any claim, it is characterized in that: described button further comprises keyseat and keycap, has the labyrinth type dustproof construction between described keyseat and the keycap; Described labyrinth type dustproof construction comprises two dustproof grooves that all are circumferentially set that are arranged at the keycap bottom, article one, dustproof groove is sheathed on the outside of the dustproof groove of second, described labyrinth type dustproof construction comprises also and is arranged at described keyseat top and two sidewalls that dustproof groove is complementary that two sidewalls all are circumferentially set.
6. a kind of dustproof keyboard according to claim 5 is characterized in that: described two dustproof groove horizontal directions are the setting of " returning " font, and accordingly, described two sidewalls also are the setting of " returning " font, and article one sidewall sheath is located at the outside of second sidewall; The dustproof groove of the inwall of second sidewall and second constitutes the guiding of longitudinal sliding motion; Or
Described two dustproof groove horizontal directions are circular, and accordingly, described two sidewalls also are circular, and article one sidewall sheath is located at the outside of second sidewall; The dustproof groove of the inwall of second sidewall and second constitutes the guiding of longitudinal sliding motion.
7. dustproof keyboard, comprise button, face-piece and drain pan, described button is divided into some cohorts, has position, some groups of holes on the face-piece, position, the corresponding group hole of each cohort, button, face-piece and drain pan constitute an independently combination, it is characterized in that: this dustproof keyboard also comprises a dustproof panel, have some keyholes on the described dustproof panel, the corresponding button of each keyhole; Has dismountable syndeton between described face-piece and the described dustproof panel.
8. a kind of dustproof keyboard according to claim 7, it is characterized in that: a kind of dustproof keyboard according to claim 1, it is characterized in that: described button has up-small and down-big pyramidal structure, and accordingly, described keyhole also has up-small and down-big pyramidal structure; In the horizontal direction monolateral gap is 0.05mm to 0.4mm between described button and the described keyhole.
9. a kind of dustproof keyboard according to claim 7 is characterized in that: described dismountable syndeton is a flexible clamping, or the snap close connection, or wringing fit connects.
10. according to any described a kind of dustproof keyboard of claim 7-9, it is characterized in that: described button further comprises keyseat and keycap, has the labyrinth type dustproof construction between described keyseat and the keycap; Described labyrinth type dustproof construction comprises two dustproof grooves that all are circumferentially set that are arranged at the keycap bottom, article one, dustproof groove is sheathed on the outside of the dustproof groove of second, described labyrinth type dustproof construction comprises also and is arranged at described keyseat top and two sidewalls that dustproof groove is complementary that two sidewalls all are circumferentially set; Described two dustproof groove horizontal directions are " returning " font or circular setting, and the shape of the shape of described two sidewalls and described two dustproof grooves is complementary, and article one sidewall sheath is located at the outside of second sidewall; The dustproof groove of the inwall of second sidewall and second constitutes the guiding of longitudinal sliding motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101982945A CN101866222B (en) | 2010-06-11 | 2010-06-11 | Dustproof keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101982945A CN101866222B (en) | 2010-06-11 | 2010-06-11 | Dustproof keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101866222A true CN101866222A (en) | 2010-10-20 |
| CN101866222B CN101866222B (en) | 2011-12-14 |
Family
ID=42957973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101982945A Expired - Fee Related CN101866222B (en) | 2010-06-11 | 2010-06-11 | Dustproof keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101866222B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995957A (en) * | 2010-10-25 | 2011-03-30 | 珠海恒宇新科技有限公司 | Monoblock-type membrane keyboard keys and split-type keyboard |
| CN104699273A (en) * | 2013-12-06 | 2015-06-10 | 洛卡特股份有限公司 | Quick detachable input device |
| CN107329580A (en) * | 2017-08-24 | 2017-11-07 | 太仓市众翔精密五金有限公司 | A kind of wear-resisting dust-proof keyboard of notebook computer panel baking vanish part |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6430037B1 (en) * | 1998-12-11 | 2002-08-06 | Sony Corporation | Computer unit keyboard and keyboard cover |
| CN1467611A (en) * | 2002-06-26 | 2004-01-14 | 游F燕 | Building method for partly replaceable modularized keyboard and product for the same |
| CN201156484Y (en) * | 2007-12-14 | 2008-11-26 | 联想(北京)有限公司 | Keyboard and computer having the same |
| CN101625594A (en) * | 2008-07-11 | 2010-01-13 | 索尼株式会社 | Keyboard, electronic device, and keyboard manufacturing method |
-
2010
- 2010-06-11 CN CN2010101982945A patent/CN101866222B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6430037B1 (en) * | 1998-12-11 | 2002-08-06 | Sony Corporation | Computer unit keyboard and keyboard cover |
| CN1467611A (en) * | 2002-06-26 | 2004-01-14 | 游F燕 | Building method for partly replaceable modularized keyboard and product for the same |
| CN201156484Y (en) * | 2007-12-14 | 2008-11-26 | 联想(北京)有限公司 | Keyboard and computer having the same |
| CN101625594A (en) * | 2008-07-11 | 2010-01-13 | 索尼株式会社 | Keyboard, electronic device, and keyboard manufacturing method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995957A (en) * | 2010-10-25 | 2011-03-30 | 珠海恒宇新科技有限公司 | Monoblock-type membrane keyboard keys and split-type keyboard |
| CN104699273A (en) * | 2013-12-06 | 2015-06-10 | 洛卡特股份有限公司 | Quick detachable input device |
| CN104699273B (en) * | 2013-12-06 | 2017-12-29 | 洛卡特股份有限公司 | Quick Release input unit |
| CN107329580A (en) * | 2017-08-24 | 2017-11-07 | 太仓市众翔精密五金有限公司 | A kind of wear-resisting dust-proof keyboard of notebook computer panel baking vanish part |
| CN107329580B (en) * | 2017-08-24 | 2020-04-14 | 太仓市众翔精密五金有限公司 | Wear-resisting dustproof notebook computer keyboard panel baking finish spare |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101866222B (en) | 2011-12-14 |
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Granted publication date: 20111214 Termination date: 20160611 |