CN203300522U - Key structure of keyboard and elastic body thereof - Google Patents

Key structure of keyboard and elastic body thereof Download PDF

Info

Publication number
CN203300522U
CN203300522U CN2013202737282U CN201320273728U CN203300522U CN 203300522 U CN203300522 U CN 203300522U CN 2013202737282 U CN2013202737282 U CN 2013202737282U CN 201320273728 U CN201320273728 U CN 201320273728U CN 203300522 U CN203300522 U CN 203300522U
Authority
CN
China
Prior art keywords
elastomer
splenium
keycap
keyboard according
key structure
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
Application number
CN2013202737282U
Other languages
Chinese (zh)
Inventor
汪光申
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chicony Electronics Co Ltd
Original Assignee
Chicony Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chicony Electronics Co Ltd filed Critical Chicony Electronics Co Ltd
Application granted granted Critical
Publication of CN203300522U publication Critical patent/CN203300522U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a key structure of a keyboard and an elastomer thereof, the key structure comprises a bottom plate, a key cap, a membrane switch and an elastomer, the membrane switch is fixed and exposed on the bottom plate; the elastomer presss from both sides sincerely between key cap and bottom plate, the elastomer has a bowl shape support, bowl shape support contains a top, the top is and be equipped with an at least prepressing portion, be formed with an obtuse angle between prepressing portion and the top, utilize the butt in the prepressing portion of key cap, when letting the key cap carry out the pre-compaction to the elastomer a little, in order to give a frictional force and provide the deformation to the key cap, and maintain the strike distance between trigger part and the membrane switch and be the default, and then make the button structure have and use and feel well.

Description

The press-key structure of keyboard and elastomer thereof
Technical field
The utility model relates to a kind of press-key structure, espespecially a kind of press-key structure of keyboard and elastomer thereof.
Background technology
Along with computer universalness more and more,, no matter desktop computer or notebook computer all need the keyboard of arranging in pairs or groups, carry out the character input operations such as word, symbol or numeral for the user, make keyboard become one of indispensable input equipment.
The press-key structure of conventional keyboard, it mainly comprises a base plate, a keycap, a thin film switch and an elastomer, base plate is fixed and be exposed to thin film switch, and elastomer folder is sincere between keycap and thin film switch, and elastomer has a bowl-type support and towards the inside of bowl-type support, is extended with a trigger unit.By this, keycap presses down with start trigger unit and the mutual butt of thin film switch, and then reaches the function of button.
Yet, after key assembling is completed, can allow keycap slightly elastomer be carried out precompressed, make the top conflict keycap of bowl-type support and give keycap one frictional force, shake to prevent keycap.But the position that drives the bowl-type support after precompressed is downward, causes knocking between trigger unit and thin film switch (Stroke) distance to shorten, and causes the user to press down a little and namely touches thin film switch, and have the not good problem of feel to occur.
The utility model content
A purpose of the present utility model, be to provide a kind of press-key structure and elastomer thereof of keyboard, it is the pre-splenium that utilizes elastomer to be extended with to be connected to keycap, while allowing keycap slightly elastomer be carried out precompressed, pre-splenium replaces the bowl-type support, to give keycap one frictional force and distortion be provided, after avoiding precompressed, the bowl-type support force is out of shape and the trigger unit position is moved down, to keep knocking between trigger unit and thin film switch (Stroke) distance as preset value, and then press-key structure is had use well feel.
In order to reach above-mentioned purpose, the utility model provides a kind of elastomer of keyboard, comprising:
One bowl-type support, comprise a top, and this top is provided with at least one pre-splenium, is formed with an obtuse angle between this pre-splenium and this top.
The elastomer of above-mentioned keyboard, wherein, this pre-splenium symmetric arrays is in this top.
The elastomer of above-mentioned keyboard, wherein, the quantity of pre-splenium is one, this pre-splenium is for outwards enlarging gradually a conical ring piece of perimeter dimensions.
The elastomer of above-mentioned keyboard, wherein, the quantity of pre-splenium is a plurality of, each this pre-splenium is a plate of outward-dipping configuration.
The elastomer of above-mentioned keyboard, wherein, the end of this pre-splenium is extended with at least one abutting part towards vertical this top-direction, and this abutting part is this top symmetric arrays relatively.
The elastomer of above-mentioned keyboard, wherein, this pre-splenium is from the periphery elongation moulding at this top.
The elastomer of above-mentioned keyboard, wherein, be formed with an angle between this pre-splenium and this bowl-type rack side wall, and the angle of this angle is between 90 ° to 70 °.
The elastomer of above-mentioned keyboard, wherein, this pre-splenium is from this top one elongation moulding.
The elastomer of above-mentioned keyboard, wherein, be provided with a trigger unit in the inside of this bowl-type support.
In order to reach above-mentioned purpose, the utility model provides a kind of press-key structure of keyboard, comprising:
One base plate;
One keycap;
One thin film switch, fix and be exposed to this base plate; And
Elastomer described above, this elastomer folder is sincere between this keycap and this base plate, and this pre-splenium is connected to this keycap.The press-key structure of above-mentioned keyboard, wherein, this keycap is connected in this base plate and can vertically moves relative to this base plate.
The press-key structure of above-mentioned keyboard, wherein, it more comprises a Holder for scissors, this Holder for scissors comprises and intersects one first support bar and one second support bar of pivot joint, this base plate is to being provided with two bindiny mechanisms in the Holder for scissors both sides, and an end of this first support bar is articulated in this keycap, and other end slidingtype is articulated in this bindiny mechanism, one end of this second support bar is articulated in this keycap, and other end slidingtype is articulated in this bindiny mechanism.
The press-key structure of above-mentioned keyboard, wherein, after this elastomer was connected to this keycap, it is large that this obtuse angle becomes.
The press-key structure of above-mentioned keyboard, wherein, this elastomer is connected to before and after this keycap, and the distance between this top and this bowl-type support minimum point equates.
The utility model also has following effect:
The first, after the press-key structure assembling is completed, keycap can carry out precompressed to pre-splenium, make the pre-splenium inclination and distortion more that is stressed down, simultaneously pre-splenium is for resetting, and then oppositely give keycap one elastic force to form a frictional force, allow keycap be subjected to frictional force backstop, to prevent keycap, shake, promote the stability in use of press-key structure.
The second, in advance the splenium symmetric arrays is in top, and the end of pre-splenium is extended with abutting part towards the vertical top direction, abutting part relative top symmetric arrays also is connected to keycap, the frictional force that makes pre-splenium donating bond cap is also symmetrical stressed, allow the both sides uniform stressed of keycap, more can avoid keycap to rock, improve the stationkeeping ability of keycap.
When three, keycap carries out precompressed to pre-splenium slightly, because elastomer is stressed down, easily concentrate from pre-splenium and deform, after avoiding precompressed, the bowl-type support force is out of shape and the trigger unit position is moved down, to keep knocking between trigger unit and thin film switch (Stroke) distance as preset value, and then keep the use feel of press-key structure itself.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model press-key structure;
Fig. 2 is the schematic perspective view of the utility model elastomer the first embodiment;
Fig. 3 is the cutaway view of the utility model elastomer the first embodiment;
Fig. 4 is the combination schematic diagram of the utility model press-key structure;
Fig. 5 is the use view of the utility model press-key structure;
Fig. 6 is the schematic perspective view of the utility model elastomer the second embodiment;
Fig. 7 is the schematic perspective view of the utility model elastomer the 3rd embodiment;
Fig. 8 is the schematic perspective view of the utility model elastomer the 4th embodiment;
Fig. 9 is the cutaway view of the utility model elastomer the 4th embodiment.
Wherein, Reference numeral
10 press-key structures
1 base plate
11 chutes
13 film circuit boards
2 keycaps
3 thin film switches
4 elastomers
42 bowl-type supports
43 tops
44 pre-spleniums
441 conical ring pieces
442 plates
45 abutting parts
46 trigger units
5 Holder for scissors
51 first support bars
52 second support bars
θ 1 obtuse angle
θ 2 angles
A knocks distance
B the first distance
The c second distance
D the 3rd distance
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model are described in detail, further to understand the purpose of this utility model, scheme and effect, but not as the restriction of the utility model claims protection range.
Please refer to Fig. 1 to shown in Figure 5, the utility model provides a kind of press-key structure and elastomer thereof of keyboard, and this press-key structure 10 mainly comprises a base plate 1, a keycap 2, a thin film switch 3 and an elastomer 4.
Base plate 1 is provided with bindiny mechanism 11, and bindiny mechanism 11 can be and is formed on base plate 1 and two chutes of arranged spaced.
Keycap 2 is disposed at base plate 1 top, and keycap 2 roughly is a rectangle cap, but not as restriction.
Film circuit board 13 comprises at least one thin film switch 3, further illustrate as follows, as shown in Figure 1, in the middle of the present embodiment, film circuit board 13 can be arranged on base plate 1 top, and film circuit board 13 is offered a plurality of perforates and exposed film circuit board 13 for bindiny mechanism 11.In addition, film circuit board 13 also can be arranged on base plate 1 below, and base plate 1 need be offered a perforate and expose base plate 1 for thin film switch 3, and the configuration mode of film circuit board 13 can be adjusted according to actual demand.
Elastomer 4 folders are sincere between keycap 2 and film circuit board 13, and elastomer 4 comprises a bowl-type support 42, and the bottom of bowl-type support 42 is arranged at thin film circuit 13 surfaces, and the top 43 of bowl-type support 42 is extended with at least one pre-splenium 44.Wherein, pre-splenium 44 symmetric arrays are in top 43, and are connected to keycap 2 bottoms.
Again, the inside of bowl-type support 42 is extended with a trigger unit 46, and keycap 2 presses down with start trigger unit 46 and the mutual butt of thin film switch 3, and then produces the push button signalling of a correspondence.
Moreover, keycap 2 is as follows with the juncture of base plate 1, in the middle of the present embodiment, as shown in Figure 1, the utility model press-key structure 3 more comprises a Holder for scissors 5, and Holder for scissors 5 comprises and intersects one first support bar 51 and one second support bar 52 of pivot joint, one end of the first support bar 51 is articulated in keycap 2, the slideable end that is articulated in bindiny mechanism's 11, the second support bars 52 of the other end is articulated in keycap 2, the slideable bindiny mechanism 11 that is articulated in of the other end.
In addition, as shown in Figure 2, be the utility model elastomer 4 first embodiment, wherein, pre-splenium 44 is 43 periphery elongation moulding from top, but the position of pre-splenium 44 moulding, its visual actual conditions are adjusted, not take the present embodiment as restriction.
The quantity of the pre-splenium 44 of this example is one, pre-splenium 44 comprises a conical ring piece 441 that outwards enlarges gradually perimeter dimensions, and from the end of conical ring piece 441, towards vertical top 43 directions, be extended with an abutting part 45, abutting part 45 symmetric arrays are in conical ring piece 441, i.e. abutting part 45 relative top 43 symmetric arrays and be connected to keycap 2; Be described in detail as follows, abutting part 45 is the annular lug of symmetric arrays in conical ring piece 441.
And, as shown in Figure 3 to Figure 4, pre-splenium 44 be connected to keycap 2 and and top 43 between be formed with an obtuse angle θ 1, the angle of this obtuse angle θ 1 is between 90 ° to 180 °; Moreover, being formed with an angle theta 2 between pre-splenium 44 and bowl-type support 42 sidewalls, the angle of angle theta 2 is between 90 ° to 70 °, and the visual actual demand of above-mentioned angle is adjusted.
Again, form one between trigger unit 46 and thin film switch 3 and knock (Stroke) apart from a, form one first distance b between the minimum point of the peak of abutting part 45 and bowl-type support 42, form a second distance c between the minimum point of top 43 and bowl-type support 42.
Finally, after the assembling of the utility model press-key structure 10 is completed, form one the 3rd between keycap 2 and base plate 1 apart from d, this 3rd apart from d less than the first distance b and greater than second distance c.
The combination of the utility model press-key structure 10, as shown in Figure 4, wherein, base plate 1 is fixed and be exposed to thin film switch 3; Elastomer 4 folders are sincere between keycap 2 and film circuit board 13, elastomer 4 folders are sincere between keycap 2 and base plate 1, and elastomer 4 has bowl-type support 42, bowl-type support 42 comprises top 43, top 43 also is provided with at least one pre-splenium 44, be formed with obtuse angle θ 1 between pre-splenium 44 and top 43, pre-splenium 44 is connected to keycap 2, forms and knocks (Stroke) apart from a between trigger unit 46 and thin film switch 3.By this, elastomer 4 is extended with the pre-splenium 44 that is connected to keycap 2, while allowing keycap 2 slightly elastomer 4 be carried out precompressed, pre-splenium 44 replaces bowl-type support 42, to give keycap 2 one frictional force and distortion be provided, avoid bowl-type support 42 stress deformations after precompressed and trigger unit 46 positions moved down, take keep knocking between trigger unit 46 and thin film switch 3 (Stroke) apart from a as preset value, and then press-key structure 10 is had use well feel.
The use state of the utility model press-key structure 10, as shown in Figures 3 to 5, at first, after press-key structure 10 assemblings are completed, keycap 2 can carry out precompressed to pre-splenium 44, make pre-splenium 44 inclination and distortion more that is stressed down, namely the angle of obtuse angle θ 1 becomes large, and simultaneously pre-splenium 44 is for resetting, and then oppositely give keycap 2 one elastic force to form a frictional force, allow keycap 2 be subjected to frictional force backstop, to prevent keycap 2, shake, promote the stability in use of press-key structure 10.
In addition, pre-splenium 44 symmetric arrays are in top 43, and the end of pre-splenium 44 is extended with abutting part 45 towards vertical top 43 directions, abutting part 45 relative top 43 symmetric arrays also are connected to keycap 2, the frictional force that makes pre-splenium 44 give keycap 2 is also symmetrical stressed, allow the both sides uniform stressed of keycap 2, more can avoid keycap 2 to rock, improve the stationkeeping ability of keycap 2.
moreover, as shown in Figure 3, before precompressed, form the first distance b between the minimum point of the peak of abutting part 45 and bowl-type support 42, form second distance c between the minimum point of top 43 and bowl-type support 42, and as shown in Figure 4, form the 3rd between keycap 2 and base plate 1 apart from d, when keycap 2 carries out precompressed to pre-splenium 44 slightly, reach greater than second distance c less than the first distance b apart from d because of the 3rd, and pre-splenium 44 and top 43 are tilted configuration, elastomer 4 is stressed down, be able to deform from pre-splenium 44, thereby namely cause obtuse angle θ 1 to become a variable large obtuse angle and become wide-angle, allow pre-splenium 44 inclination and distortion more, make elastomer 4 be connected to keycap 2 front and back, second distance c between top 43 and bowl-type support 42 minimum points equates in fact (constant haply), avoid bowl-type support 42 stress deformations after precompressed and trigger unit 46 positions are moved down, when preventing that keycap 2 from shaking, knock (Stroke) that keep between trigger unit 46 and thin film switch 3 is preset value apart from a, and then keep the use feel of press-key structure 10 itself.
Finally, when keycap 2 is pressed by the user, between keycap 2 and base plate 1 the 3rd, causes bowl-type support 42 strains to trigger thin film switch 3 with start trigger unit 46, and then produces the push button signalling of a correspondence less than the second distance c between end face 43 and bowl-type support 42 minimum points apart from d.
Please refer to Fig. 6 to shown in Figure 7, is the utility model elastomer 4 second to three embodiment, wherein, pre-splenium 44 is 43 periphery elongation moulding from top, but pre-splenium 44 also can be from top 43 elongation mouldings, its visual actual conditions are adjusted, not take the present embodiment as restriction.
The quantity of the pre-splenium 44 of this example is one, pre-splenium 44 is the conical ring piece 441 of the large perimeter dimensions of outside flaring, the end of conical ring piece 441 is extended with a plurality of abutting parts 45 towards vertical top 43 directions, each abutting part 45 is mutually symmetrical and is arranged in conical ring piece 441, i.e. each abutting part 45 relative top 43 symmetric arrays and be connected to keycap 2.By this, be same as above-mentioned function and effect to reach.
Please refer to Fig. 8 to shown in Figure 9, is the utility model elastomer 4 the 4th embodiment, wherein, pre-splenium 44 is 43 periphery elongation moulding from top, but pre-splenium 44 also can be from top 43 elongation mouldings, its visual actual conditions are adjusted, not take the present embodiment as restriction.
The quantity of the pre-splenium 44 of the present embodiment is a plurality of, and each pre-splenium 44 is a plate 442 of outward-dipping configuration, and each plate 442 is mutually symmetrical and is arranged in top 43; In addition, each plate 442 of this example is arc plate, but not as restriction.
Again, the end of each plate 442 is extended with an abutting part 45 towards vertical top 43 directions, and each abutting part 45 is mutually symmetrical and arranges and be connected to keycap 2 with respect to top 43.By this, be same as above-mentioned function and effect to reach.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims (14)

1. the elastomer of a keyboard, is characterized in that, comprising:
One bowl-type support, comprise a top, and this top is provided with at least one pre-splenium, is formed with an obtuse angle between this pre-splenium and this top.
2. the elastomer of keyboard according to claim 1, is characterized in that, this pre-splenium symmetric arrays is in this top.
3. the elastomer of keyboard according to claim 2, is characterized in that, the quantity of pre-splenium is one, and this pre-splenium is for outwards enlarging gradually a conical ring piece of perimeter dimensions.
4. the elastomer of keyboard according to claim 2, is characterized in that, the quantity of pre-splenium is a plurality of, and each this pre-splenium is a plate of outward-dipping configuration.
5. the elastomer of keyboard according to claim 1, is characterized in that, the end of this pre-splenium is extended with at least one abutting part towards vertical this top-direction, and this abutting part is this top symmetric arrays relatively.
6. the elastomer of keyboard according to claim 1, is characterized in that, this pre-splenium is from the periphery elongation moulding at this top.
7. the elastomer of keyboard according to claim 1, is characterized in that, is formed with an angle between this pre-splenium and this bowl-type rack side wall, and the angle of this angle is between 90 ° to 70 °.
8. the elastomer of keyboard according to claim 1, is characterized in that, this pre-splenium is from this top one elongation moulding.
9. the elastomer of keyboard according to claim 1, is characterized in that, in the inside of this bowl-type support, is provided with a trigger unit.
10. the press-key structure of a keyboard comprises:
One base plate;
One keycap;
One thin film switch, fix and be exposed to this base plate; It is characterized in that, also comprise
The described elastomer of any one of according to claim 1 to 9, this elastomer folder is sincere between this keycap and this base plate, and this pre-splenium is connected to this keycap.
11. the press-key structure of keyboard according to claim 10, is characterized in that, this keycap is connected in this base plate and can vertically moves relative to this base plate.
12. the press-key structure of keyboard according to claim 10, it is characterized in that, it more comprises a Holder for scissors, this Holder for scissors comprises and intersects one first support bar and one second support bar of pivot joint, this base plate is to being provided with two bindiny mechanisms in the Holder for scissors both sides, and an end of this first support bar is articulated in this keycap, and other end slidingtype is articulated in this bindiny mechanism, one end of this second support bar is articulated in this keycap, and other end slidingtype is articulated in this bindiny mechanism.
13. the press-key structure of keyboard according to claim 10, is characterized in that, after this elastomer was connected to this keycap, it is large that this obtuse angle becomes.
14. the press-key structure of keyboard according to claim 10, is characterized in that, this elastomer is connected to before and after this keycap, and the distance between this top and this bowl-type support minimum point equates.
CN2013202737282U 2013-05-08 2013-05-20 Key structure of keyboard and elastic body thereof Expired - Fee Related CN203300522U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW102208484U TWM461827U (en) 2013-05-08 2013-05-08 Keyswitch structure for keyboard and its elastomer
TW102208484 2013-05-08

Publications (1)

Publication Number Publication Date
CN203300522U true CN203300522U (en) 2013-11-20

Family

ID=49576516

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013202737282U Expired - Fee Related CN203300522U (en) 2013-05-08 2013-05-20 Key structure of keyboard and elastic body thereof

Country Status (2)

Country Link
CN (1) CN203300522U (en)
TW (1) TWM461827U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105206456A (en) * 2015-07-27 2015-12-30 苏州达方电子有限公司 Keyboard key and keyboard
CN107969158A (en) * 2015-08-24 2018-04-27 雅马哈株式会社 The key board unit of reaction force generator and electronic musical instrument
CN108666163A (en) * 2017-03-28 2018-10-16 致伸科技股份有限公司 Press-key structure
CN108883752A (en) * 2016-04-01 2018-11-23 罗伯特·博世有限公司 Brake force simulator for motor vehicle
CN109491517A (en) * 2018-11-29 2019-03-19 欣旺达电子股份有限公司 Self-generating wireless keyboard
CN110648873A (en) * 2017-03-30 2020-01-03 富士通电子零件有限公司 Reaction force generating member and key switch device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109935489A (en) 2017-12-15 2019-06-25 群光电子股份有限公司 Elastomer and keyboard structure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105206456A (en) * 2015-07-27 2015-12-30 苏州达方电子有限公司 Keyboard key and keyboard
CN107969158A (en) * 2015-08-24 2018-04-27 雅马哈株式会社 The key board unit of reaction force generator and electronic musical instrument
US10482861B2 (en) 2015-08-24 2019-11-19 Yamaha Corporation Reaction force generator and keyboard device of electronic musical instrument
CN108883752A (en) * 2016-04-01 2018-11-23 罗伯特·博世有限公司 Brake force simulator for motor vehicle
US11192534B2 (en) 2016-04-01 2021-12-07 Robert Bosch Gmbh Brake-force simulator for a motor vehicle
CN108666163A (en) * 2017-03-28 2018-10-16 致伸科技股份有限公司 Press-key structure
CN110648873A (en) * 2017-03-30 2020-01-03 富士通电子零件有限公司 Reaction force generating member and key switch device
CN110648873B (en) * 2017-03-30 2021-11-23 富士通电子零件有限公司 Reaction force generating member and key switch device
CN109491517A (en) * 2018-11-29 2019-03-19 欣旺达电子股份有限公司 Self-generating wireless keyboard

Also Published As

Publication number Publication date
TWM461827U (en) 2013-09-11

Similar Documents

Publication Publication Date Title
CN203300522U (en) Key structure of keyboard and elastic body thereof
CN103390514A (en) Key
CN104409259A (en) Keyboard device and key thereof
CN105304385A (en) Key
TWM448727U (en) Keyboard with supporting plate sliding structure
CN102737884A (en) key structure
TWM466303U (en) Keyswitch and keyboard therewith
CN106328419B (en) A kind of touch type key structure and handheld terminal, game paddle
CN103681051B (en) Thin key and keyboard
CN203588891U (en) Key module and keyboard thereof
CN201853596U (en) Key and keyboard
US10699858B2 (en) Keyboard device
CN201946474U (en) Keypad structure and keyboard
CN102594953A (en) Mobile phone side key device and mobile phone
CN203826263U (en) Button structure
CN203521261U (en) Key structure and mechanical keyboard with application of key structure
CN202275757U (en) Keystroke structure of keyboard
CN103377846A (en) Keyboard device
CN209981069U (en) Sounding keyboard switch capable of balancing pressing
CN201859782U (en) Long key and keyboard
CN207606176U (en) A kind of mobile phone shell push-and-pull time difference punch forming device
CN102064033B (en) Spring type key
CN204927087U (en) Keyboard device and button
US20170301488A1 (en) Key Switch, Key Unit and Computer Keyboard
CN100530469C (en) Key and input device containing the key

Legal Events

Date Code Title Description
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: 20131120

Termination date: 20140520