CN1495819A - Press-button switch - Google Patents
Press-button switch Download PDFInfo
- Publication number
- CN1495819A CN1495819A CNA031570062A CN03157006A CN1495819A CN 1495819 A CN1495819 A CN 1495819A CN A031570062 A CNA031570062 A CN A031570062A CN 03157006 A CN03157006 A CN 03157006A CN 1495819 A CN1495819 A CN 1495819A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- tongue piece
- contact plate
- protuberance
- contact
- 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.)
- Granted
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Classifications
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- 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
- H01H13/10—Bases; Stationary contacts mounted thereon
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- 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
- H01H13/04—Cases; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
Landscapes
- Push-Button Switches (AREA)
- Contacts (AREA)
Abstract
The invention provides a push button switch capable of making the width of surrounding fixed contacts smaller and sufficiently ensuring design freedom for contact portion including surrounding fixed contacts. The invention comprises surrounding fixed contacts 2 embedded and formed in the cover 1, a central fixed contact 3, a movable contact plate 4 including thin metal plate, a substrate part 4a and a hook latch 4b, a rubber spring 5 installed on the movable contact plate 4 making the hook latch 4b in contact with the central fixed contact 3, a center shaft 6 used to perform pressing operation to the rubber spring 5 and form a part of a sphere installed on substrate part of the movable contact plate 4 and a convex part 4c used to constantly contact with the surrounding fixed contact 2.
Description
Technical field
The present invention relates to the push-button switch of some make and break contact modes, it is installed in the various electronic equipments, its baseplate part always makes the tongue piece with the contacted travelling contact plate of surrounding fixed contacts, contacts with central fixed contact by pushing of rubber spring, carries out switch.
Background technology
This prior art is shown in No. 2839313 communique of patent.The prior art has: the switch enclosure that forms shell is on shell, the bottom periphery that is arranged in this shell, has the public fixed contact of protuberance, i.e. surrounding fixed contacts and the central fixed contact that is arranged in above-mentioned outer casing bottom central authorities.Surrounding fixed contacts and central fixed contact are provided with in the enclosure by inlaying to be shaped.
And, also has a kind of travelling contact plate, this travelling contact plate is housed in and is made of sheet metal in the shell, its always have with the contacted baseplate part of surrounding fixed contacts and from this baseplate part by the portion of being bent upwards extend into cantilever-shaped, be arranged to and can contact and the tongue piece that separates with central fixed contact.
Moreover, also have: install in the enclosure, its foot is arranged in the aforesaid substrate portion of travelling contact plate, is subjected to pressing force and makes above-mentioned tongue piece and the contacted dome-shaped spring body of central fixed contact, be rubber spring and the button that is used to push rubber spring, i.e. stem.
The prior art, when pushing stem, the tongue piece of travelling contact plate is pushed in the rubber spring deflection, and this tongue piece contacts central fixed contact.Like this, central fixed contact and surrounding fixed contacts become closure by the conducting of travelling contact plate, promptly connect.
When elimination was added in pressing force on the stem, rubber spring returned to original shape, eliminated the pressing force on the tongue piece that is added in the travelling contact plate, the elastic force that the tongue piece utilization itself has leaves central fixed contact, cuts off between central fixed contact and the surrounding fixed contacts, become and open, promptly disconnect.
Above-mentioned prior art is on the fixed contact protuberance to be set around, by this protuberance, makes to keep stable contact between the baseplate part of surrounding fixed contacts and travelling contact plate.
But, in above-mentioned prior art, the protuberance of surrounding fixed contacts is covered with resin in order to prevent to inlay shaping (イ Application サ one ト shaping), must utilize mould with recess that shape matches with protuberance, the protuberance of surrounding fixed contacts is placed in this recess, under the state that surrounding fixed contacts part beyond the protuberance and mould are connected, insert shaping.
Therefore, should make the width dimensions of surrounding fixed contacts reserve surplus in advance, the size of this surplus equals the relevant size of thickness of slab with the mould that forms recess.That is to say that in the prior art, the width dimensions of surrounding fixed contacts increases.So being the miniaturization of global shape, the problem that occurs is restricted.
And because the relation that the surrounding fixed contacts in the shell centers on, the position that raised part is set only limits to ad-hoc location.And, if more firm with contacting of travelling contact plate, the protuberance of surrounding fixed contacts is set on a plurality of positions, then the shape of the mould of the shape of surrounding fixed contacts and the recess that matches with protuberance becomes very complicated.So the quantity that is arranged on the protuberance on the surrounding fixed contacts also is restricted.Like this, in the prior art, comprise that the design freedom of the contact portions of surrounding fixed contacts is restricted, therefore, be difficult to obtain the high switch performance of precision, be difficult to form the high construction of switch of reliability.
The content of invention
The present invention is the scheme that the actual conditions according to above-mentioned prior art propose, and its purpose is to provide can set little surrounding fixed contacts width dimensions, can fully guarantee to comprise the push-button switch of design freedom of the contact portions of surrounding fixed contacts.
In order to achieve the above object, the present invention is characterized in that having: the shell that forms external shell; Be arranged in the surrounding fixed contacts of this outer casing bottom periphery; Be arranged in the central fixed contact of above-mentioned outer casing bottom central authorities; And, the travelling contact plate, this travelling contact plate, be installed in the above-mentioned shell, be made of sheet metal, it always has to be situated between with the contacted baseplate part of above-mentioned surrounding fixed contacts and from this baseplate part and extends into cantilever-shaped by being bent upwards portion and be arranged to and can contact and the tongue piece that separates with above-mentioned central fixed contact; And, rubber spring, it is installed in the above-mentioned shell, and the bottom is positioned in the aforesaid substrate portion of above-mentioned travelling contact plate, is subjected to pressing force above-mentioned tongue piece is contacted with above-mentioned central fixed contact; And, stem, it is installed in the above-mentioned shell movably, is used for rubber spring is carried out pressing operation; And, in the aforesaid substrate portion of above-mentioned travelling contact plate, be provided with and the contacted protuberance of above-mentioned surrounding fixed contacts.
The present invention of Gou Chenging like this, can be situated between always to contact the baseplate part of this travelling contact plate with surrounding fixed contacts by the protuberance on the baseplate part that is arranged on the travelling contact plate.That is to say, the baseplate part of travelling contact plate is contacted securely with surrounding fixed contacts.
And, because on the baseplate part of travelling contact plate, be provided with protuberance, so surrounding fixed contacts can be pre-formed the face of no protuberance.Therefore, need not form recess in mould and be used for laying the protuberance that is formed on the surrounding fixed contacts, can set the width dimensions of surrounding fixed contacts lessly, the amount that this size reduces be equivalent to the relevant size of thickness of slab with the mould that forms this recess.
Moreover the formation of the protuberance in the baseplate part of travelling contact plate can form in the sheet metal punch process when making the travelling contact plate together, makes simple.And, can on the baseplate part of travelling contact plate, with the opposed desired location of surrounding fixed contacts on form this protuberance by requirement at an easy rate, can fully guarantee to comprise the design freedom of the contact portions of this surrounding fixed contacts.
And the present invention is characterized in that: in foregoing invention, raised part is set the shape that becomes a part that forms spheroid.
The present invention of Gou Chenging can make protuberance always carry out contacting with surrounding fixed contacts like this.
And the present invention is characterized in that: be bent upwards portion with respect to above-mentioned travelling contact plate above-mentioned, be positioned on the aforesaid substrate portion part of above-mentioned tongue piece one side a plurality of raised part are set.
The present invention of Gou Chenging like this, push and make tongue piece contact central fixed contact by rubber spring, the part of this pressing force the portion of being bent upwards with respect to the travelling contact plate of being delivered to is positioned on the part of baseplate part of tongue piece one side, and the trend on the surrounding fixed contacts partly appears being pressed against in this baseplate part.Like this, can guarantee to be arranged between protuberance on this baseplate part part and the surrounding fixed contacts has sufficient contact pressure, and protuberance is contacted reliably with surrounding fixed contacts.
And the present invention is characterized in that: in foregoing invention, jog is arranged on above-mentioned tongue piece with above-mentioned central fixed contact opposed below and on the either party of above-mentioned central fixed contact.
The present invention of Gou Chenging like this even dust invades between tongue piece and the central fixed contact, also can make dust be maintained in the recess in the jog, utilizes protuberance that tongue piece is contacted reliably with central fixed contact.
And the present invention is characterized in that: in foregoing invention, above-mentioned rubber spring has the press section of the above-mentioned tongue piece of above-mentioned travelling contact plate being carried out pressing operation, and, be provided with the protuberance that can contact above-mentioned press section on above-mentioned tongue piece.
The present invention of Gou Chenging like this can utilize the raised part that is arranged on above the tongue piece to prevent to cause along with increasing of rubber spring compression number the press section and the tongue piece bonding of this rubber spring.And, can contact the raised part of press section, can be when making the travelling contact plate and the punch process of sheet metal form simultaneously.
Brief description of drawings
Fig. 1 is the longitudinal section of an execution mode of expression push-button switch of the present invention.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Fig. 3 is the B portion enlarged drawing of Fig. 1.
Fig. 4 is the vertical view of the travelling contact plate that had of an expression execution mode shown in Figure 1.
Fig. 5 is the C-C cross section enlarged drawing of Fig. 4.
Fig. 6 is the vertical view that the fixed contact that is equipped with of an expression execution mode shown in Figure 1 is panelized into the shell of shape.
The embodiment of invention
Below with reference to the accompanying drawings, describe the execution mode of push-button switch of the present invention in detail.
Fig. 1～6th, the key diagram of expression one embodiment of the present invention, Fig. 1 are the longitudinal sections of expression present embodiment; Fig. 2 is the A portion enlarged drawing of Fig. 1; Fig. 3 is the B portion enlarged drawing of Fig. 1; Fig. 4 is the vertical view of the expression travelling contact plate that present embodiment had; Fig. 5 is the C-C cross section enlarged drawing of Fig. 4; Fig. 6 be expression present embodiment had, fixed contact is panelized into the vertical view of the shell of shape.
Embodiment of the present invention has as shown in Figure 1: form external shell shell 1, be arranged in this shell 1 bottom periphery, as the surrounding fixed contacts 2 of public fixed contact and the central fixed contact 3 that is arranged in shell 1 bottom center.Surrounding fixed contacts 2 and central fixed contact 3 are panelized into shape in shell 1 also as shown in Figure 6.Be pre-formed above the surrounding fixed contacts 2 to there not being the burnishing surface of protuberance.
And, as shown in Figure 1, has a kind of travelling contact plate 4, this travelling contact plate 4 is installed in the above-mentioned shell 1, constitute by sheet metal, its always have with surrounding fixed contacts 2 contacted baseplate part 4a and from this baseplate part 4a by be bent upwards the 4f of portion extend into cantilever-shaped, be arranged to and can contact and the tongue piece 4b that separates with central fixed contact 3.
In the shell 1 of these travelling contact plate 4 upsides, have the pressing force of acceptance and make tongue piece 4b and central fixed contact 3 contacted rubber springs 5.The bottom 5a of this rubber spring 5 is installed on the baseplate part 4a of travelling contact plate 4.On the middle body of rubber spring 5, be provided with the tongue piece 4b that is used to push travelling contact plate 4 and make itself and central fixed contact 3 contacted press section 5b.
In addition, have in the shell of being installed in 1 and also can move, rubber spring 5 is carried out the stem 6 of pressing operation.
Especially, present embodiment is shown in Figure 2 as what the A portion of Fig. 1 was amplified, below the baseplate part 4a of travelling contact plate 4, is provided with and surrounding fixed contacts 2 contacted protuberances, and for example its shape set is the protuberance 4c of the part of spheroid.This protuberance 4c always carries out contacting with surrounding fixed contacts 2.
Raised part 4c as shown in Figure 4, on the baseplate part 4a part that is positioned at tongue piece 4b one side, be provided with respect to the 4f of the portion that is bent upwards of travelling contact plate 4 a plurality of, for example 4.Among these 4 protuberance 4c 2 for example are positioned at horizontal roughly having passed through on the central dummy line of travelling contact plate 4, near the leading section that remaining 2 are positioned at tongue piece 4b.These protuberances 4c, all or part of always carries out contacting with surrounding fixed contacts 2.
And below the tongue piece 4b of travelling contact plate 4, also Fig. 3, Fig. 4 that amplifies as the B portion of Fig. 1 and shown in Figure 5 is provided with 3 for example identical shaped with the protuberance 4c of the 4a of aforesaid substrate portion protuberance 4d.These protuberances 4d for example be positioned at tongue piece 4b central part around, it is each other uniformly-spaced.All or part of of these protuberances 4d can carry out contacting with central fixed contact 3.
By above-mentioned 3 protuberance 4d are set,, form jog below the tongue piece 4b of central fixed contact 3 opposed travelling contact plates 4.That is to say that the protuberance in the jog is 3 protuberance 4d, the recess in the jog is to comprise the following space segment that is formed on protuberance 4d tongue piece 4b on every side.
In addition, with above the tongue piece 4b of the opposed travelling contact plate 4 of press section 5b of rubber spring 5, as shown in Figure 3 and Figure 4, be provided with the protuberance 4e that can contact press section 5b.Be arranged on the protuberance 4e on this tongue piece 4b top, the protuberance 4d below for example also setting shape for and being arranged on tongue piece 4b is identical, is positioned at the central part of tongue piece 4b.
The present embodiment of Gou Chenging is like this utilized the elasticity of the 5a of foot of the rubber spring 5 that is mounted in the mode that is limited by stem 6 in shell 1, always the baseplate part 4a of travelling contact plate 4 is pressed on the surrounding fixed contacts 2.That is to say, 4 protuberance 4c on being arranged on below the baseplate part 4a, all or part of always keeps carrying out contacting with surrounding fixed contacts 2.
If push stem 6 from this state, then rubber spring 5 deflections, the protuberance 4e on the tongue piece 4b of this press section 5b by being arranged on travelling contact plate 4 top pushes this tongue piece 4b.All or part of puts 3 protuberance 4d on being arranged on below this tongue piece 4b with central fixed contact and contacts.Like this, central fixed contact 3 and surrounding fixed contacts 2 are carried out conducting by travelling contact plate 4, become closure, promptly connect.
And if remove the pressing force that is added on the stem 6 from above-mentioned state, then rubber spring 5 reverts to original form, and the pressing force that is added on the tongue piece 4b of travelling contact plate 6 is disengaged.Like this, tongue piece 4b, be that the protuberance 4d of tongue piece 4b leaves central fixed contact 3 by means of elastic force that tongue piece 4b had, make to be cut off between central fixed contact 3 and the surrounding fixed contacts 2, become and open, promptly disconnect.
The present embodiment of Gou Chenging like this, as mentioned above, the following protuberance 4c that can make the baseplate part 4a that is arranged on travelling contact plate 4 always carries out contacting with surrounding fixed contacts 2.That is to say, the baseplate part 4a of travelling contact plate 4 is contacted securely with surrounding fixed contacts 2.
And, when utilizing rubber spring 5 to push tongue piece 4b is contacted with central fixed contact 3, the part of this pressing force is delivered on the part of the baseplate part 4a that is positioned at tongue piece 4b one side relative with the 4f of the portion that is bent upwards of travelling contact plate 4, becomes this baseplate part 4a partly is pressed into trend on the surrounding fixed contacts 2.In the present embodiment, be provided with 4 protuberance 4c, and at this moment it is positioned on the baseplate part 4a part that is pressed against on the surrounding fixed contacts 2, so, even protuberance 4c is contacted securely when pushing this tongue piece 4b with surrounding fixed contacts 2.
And,, such dust is remained on go up below the tongue piece 4b in the space segment around 3 set protuberance 4d even dust enters between the following and central fixed contact 3 of tongue piece 4b of travelling contact plate 4.That is to say, even entering under the situation of dust, also can utilize protuberance 4d make tongue piece 4b and central fixed contact 3 can contact.
As mentioned above, in the present embodiment, the protuberance 4c on utilizing below the baseplate part 4a be arranged on travelling contact plate 4 can make the baseplate part 4a of travelling contact plate 4 always contact securely with surrounding fixed contacts 2.And, utilize the protuberance 4d on being arranged on below the tongue piece, tongue piece 4b is contacted securely with central fixed contact 3.
And, present embodiment, because on the baseplate part 4a of travelling contact plate 4, protuberance 4c is set, so, as mentioned above, the top burnishing surface that can be pre-formed no protuberance of surrounding fixed contacts 2.Therefore, when in shell 1, inlaying shaping surrounding fixed contacts 2 and central fixed contact 3, do not need in mould, to form recess for accommodating the sort of protuberance that is formed on the surrounding fixed contacts 2, can reduce the width dimensions of surrounding fixed contacts 2, its size that reduces is equivalent to the relevant size of thickness of slab with the mould that forms this recess.Like this, can make the global shape miniaturization.
And, in the present embodiment, the protuberance 4c among the baseplate part 4a of travelling contact plate 4, the punch process of the sheet metal when having the travelling contact plate 4 of baseplate part 4a and tongue piece 4b with making forms simultaneously, makes simple.Moreover, on the desired location of the baseplate part 4a of travelling contact plate 4, be easy to form protuberance 4c by predetermined quantity.Like this, can fully guarantee to comprise the design freedom of the contact portions of surrounding fixed contacts 2.Therefore, as mentioned above, high-precision switch performance can be guaranteed, the high construction of switch of reliability can be formed.
Moreover, in the present embodiment, utilize the protuberance 4e that is arranged on above the tongue piece 4b can prevent that the press section 5b of this rubber spring 5 and tongue piece 4b from boning along with pushing of rubber spring 5, helps to guarantee the construction of switch of high reliability.And the protuberance 4d on being arranged on the protuberance 4e above the tongue piece 4b and being arranged on below the above-mentioned tongue piece 4b forms during the punch process of sheet metal that all can be when making travelling contact plate 4 simultaneously simply.
And, as mentioned above, because on tongue piece 4b, be provided with protuberance 4e, so, when pushing rubber spring 5, along with the distortion of rubber spring 5, when the position of the central part of the press section of rubber spring 5 5b and protuberance 4e is inconsistent, press section 5b tilts, and becomes the part of this press section 5b is pressed against trend on the tongue piece 4b powerfully.So, be positioned at the protuberance 4d that is pressed against the position on the tongue piece 4b near the part of press section 5b powerfully, become with very big contact pressure and central fixed contact 3 contacted states.Like this, can enough very big power make this protuberance 4d and central fixed contact 3 carry out contacting, tongue piece 4b is contacted more securely with central fixed contact 3, help the switch performance of guaranteeing that precision is high.
Moreover, in the present embodiment, as mentioned above, because utilize 3 protuberance 4d being arranged on tongue piece 4b following below tongue piece 4b, to form jog, so, can prevent between tongue piece 4 and the central fixed contact 3 to help the switch performance of guaranteeing that precision is high because of entering the dust loose contact.
And, in the above-described embodiment, on below the tongue piece 4b of travelling contact plate 4,3 protuberance 4d are set, and have formed jog on below tongue piece 4, but also can be arranged on such jog on central fixed contact 3 top, and not be arranged on tongue piece 4b following.Adopt such structure, the dust that enters between tongue piece 4b and the central fixed contact 3 is remained in the recess of jog, utilize the protuberance in the jog that tongue piece 4b is contacted securely with central fixed contact 3.
And, in the above-described embodiment,,, can realize the miniaturization of global shape like this to the width dimensions of surrounding fixed contacts 2 so can set lessly owing on the fixed contact 2 protuberance is not set around.But, under the global shape situation identical with the past, owing to can set the width dimensions of surrounding fixed contacts 2 lessly, so, can set central fixed contact 3 than in the past big.Under the situation of this structure, can guarantee fully that the tongue piece 4b of travelling contact plate 4 and the contact area of central fixed contact 3 increase, and can make tongue piece 4b contact more securely with central fixed contact 3.
The effect of invention
As mentioned above, the present invention is provided with solid on every side because of the baseplate part at the travelling contact plate The contacted protuberance of fixed juncture, so, can reduce the setting width dimensions of surrounding fixed contacts, Like this, and compare in the past, can realize the miniaturization of global shape.
And protuberance can form when making the travelling contact plate, make simply, simultaneously, Can fully guarantee to comprise the design freedom of the contact portions of surrounding fixed contacts. Like this, Contacting securely of travelling contact plate and surrounding fixed contacts carried out, can guarantee high-precision Switch performance forms the higher construction of switch of reliability with past phase specific energy.
Moreover the present invention sets raised part for the shape that forms a spheroid part. Like this, Can make protuberance always carry out contacting with surrounding fixed contacts, make the travelling contact plate baseplate part and The surrounding fixed contacts contact is firm, helps to guarantee high-precision switch performance.
And, the present invention a plurality of raised part be arranged on respect to above-mentioned travelling contact plate to On the part of the baseplate part that is positioned at tongue piece one side of upper bend. Like this, even at rubber spring Also can obtain protuberance during pressing operation to the abundant contact of surrounding fixed contacts, help really Protect the high switch performance of precision.
And, the present invention below above-mentioned tongue piece opposed with central fixed contact and Either party in central authorities' fixed contact is provided with jog. Like this, even dust enters into tongue piece And between the central fixed contact, this dust is remained in the recess in the jog, can use Protuberance in the jog makes tongue piece contact securely with central fixed contact. That is to say, can Prevent between tongue piece and the central fixed contact helping to guarantee precision because the dust loose contact is arranged High switch performance.
Moreover, the present invention, the tongue piece that rubber spring has the travelling contact plate carries out pressing operation The press section, and on tongue piece, be provided with the protuberance that can contact the press section. Utilizing should Protuberance can prevent the press section of rubber spring and the bonding of tongue piece, helps to guarantee that reliability is high Construction of switch.
Claims (5)
1, a kind of push-button switch is characterized in that having:
Form the shell of external shell; Be arranged in the surrounding fixed contacts of this outer casing bottom periphery; Be arranged in the central fixed contact of above-mentioned outer casing bottom central authorities; And,
The travelling contact plate, this travelling contact plate, be installed in the above-mentioned shell, constitute by sheet metal, it always has to be situated between with the contacted baseplate part of above-mentioned surrounding fixed contacts and from this baseplate part and extends into cantilever-shapedly by being bent upwards portion, and is arranged to and can contacts and the tongue piece that separates with above-mentioned central fixed contact; And,
Rubber spring, it is installed in the above-mentioned shell, and the bottom is positioned in the aforesaid substrate portion of above-mentioned travelling contact plate, is subjected to pressing force above-mentioned tongue piece is contacted with above-mentioned central fixed contact; And
Stem, it is installed in the above-mentioned shell movably, is used for rubber spring is carried out pressing operation;
And, in the aforesaid substrate portion of above-mentioned travelling contact plate, be provided with and the contacted protuberance of above-mentioned surrounding fixed contacts.
2, push-button switch as claimed in claim 1 is characterized in that, raised part is set the shape that becomes a part that forms spheroid.
3, push-button switch as claimed in claim 1 is characterized in that, is being bent upwards portion with respect to above-mentioned travelling contact plate above-mentioned, is being positioned on the aforesaid substrate portion part of above-mentioned tongue piece one side a plurality of raised part are set.
4, push-button switch as claimed in claim 1 is characterized in that, jog is arranged on above-mentioned tongue piece with above-mentioned central fixed contact opposed below and on the either party of above-mentioned central fixed contact.
5, push-button switch as claimed in claim 1 is characterized in that, above-mentioned rubber spring has the press section of the above-mentioned tongue piece of above-mentioned travelling contact plate being carried out pressing operation, and, on above-mentioned tongue piece, be provided with the protuberance that can contact above-mentioned press section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002263200 | 2002-09-09 | ||
| JP2002263200A JP2004103375A (en) | 2002-09-09 | 2002-09-09 | Push-button switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1495819A true CN1495819A (en) | 2004-05-12 |
| CN1248259C CN1248259C (en) | 2006-03-29 |
Family
ID=32263026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031570062A Expired - Fee Related CN1248259C (en) | 2002-09-09 | 2003-09-08 | Press-button switch |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2004103375A (en) |
| KR (1) | KR100573544B1 (en) |
| CN (1) | CN1248259C (en) |
| TW (1) | TWI228737B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140123194A (en) * | 2013-04-11 | 2014-10-22 | 삼성전자주식회사 | Input apparatus for electronic device |
| KR101692121B1 (en) * | 2014-12-19 | 2017-01-02 | (주)디앤티 | Button switch structure and manufacturing method thereof |
| JP6471076B2 (en) * | 2015-10-14 | 2019-02-13 | アルプス電気株式会社 | Push switch and keyboard using it |
-
2002
- 2002-09-09 JP JP2002263200A patent/JP2004103375A/en active Pending
-
2003
- 2003-07-29 KR KR1020030052381A patent/KR100573544B1/en not_active IP Right Cessation
- 2003-08-08 TW TW092121822A patent/TWI228737B/en not_active IP Right Cessation
- 2003-09-08 CN CNB031570062A patent/CN1248259C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004103375A (en) | 2004-04-02 |
| KR100573544B1 (en) | 2006-04-25 |
| TWI228737B (en) | 2005-03-01 |
| CN1248259C (en) | 2006-03-29 |
| KR20040023497A (en) | 2004-03-18 |
| TW200414249A (en) | 2004-08-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20060329 Termination date: 20100908 |