CN1134089C - Lamp base - Google Patents
Lamp base Download PDFInfo
- Publication number
- CN1134089C CN1134089C CNB001187775A CN00118777A CN1134089C CN 1134089 C CN1134089 C CN 1134089C CN B001187775 A CNB001187775 A CN B001187775A CN 00118777 A CN00118777 A CN 00118777A CN 1134089 C CN1134089 C CN 1134089C
- Authority
- CN
- China
- Prior art keywords
- lamp socket
- holding piece
- side holding
- socket body
- bulb
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/05—Two-pole devices
- H01R33/46—Two-pole devices for bayonet type base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
Abstract
A bayonet part provided to a bulb socket includes a locking protrusion arranged in a plurality of circumferential parts of a socket body, and a plurality of holding pieces respectively projected in an outer diameter direction of a plurality of parts of the socket body in a circumferential direction with a predetermined interval in a tube axis direction to the locking protrusion. The plurality of holding pieces includes short side holding pieces of high rigid and long side holding pieces of high stretch. It can improve detachability of a bulb socket having a bayonet structure and enhance stability in holding by improving holding force in a bayonet part.
Description
Technical field
The present invention relates to the bulb that will become lamp light source is installed in the lamp socket that uses on the lamp casing, relate in particular to the lamp socket of (the バ ヨ ネ Star ト) structure that has the detachable bayonet socket of relative lamp casing.
Background technology
In the light fixture that automobile is used, as the luminaire body of light fixture framework with as by the interior structure that is used for installing bulb on the lamp casing that reflector in the luminaire body etc. constitutes that is contained in, often use following the sort of structure, that is, this bulb remained on the lamp socket, and this lamp socket be installed in structure on described luminaire body or the reflector.For this lamp socket, be replaceable bulb, use bayonet arrangement as this detachable structure, expectation is installed and removed lamp socket easily.Fig. 6 is existing stereogram with lamp socket 10A one example of bayonet arrangement, the supporting bulb 30 of the diagram upside of lamp socket body 11A bulb support 12A form the square tube shape, in its peristome 201, in contact 202 is housed, contact and be electrically connected with the electrode of the bulb that inserts described peristome 201.In addition, described lamp socket body 11A, the zone that is connected with the described bulb support 12A of diagram downside forms cylindric, forms bayonet socket 14A herein.Described bayonet socket 14A is provided with to the outstanding locking protrusion 211 of external diameter direction at a plurality of positions of circumference of the periphery of described lamp socket body 11A.And on described side face, be provided with and make petal-like a plurality of resilient clamp sheet 212, this resilient clamp sheet 212 is relative with described locking protrusion 211 with microsize along the rear side of cylinder axis direction.
This lamp socket 10A is as shown in the drawing, for example along a plurality of positions of the inner edge of the lamp socket installing hole 41 of reflector 40 backside openings, be pre-formed a plurality of fastening grooves 42 corresponding with described locking protrusion 211, from front lamp socket 10A is inserted described lamp socket installing hole 41, after making resilient clamp sheet 212 connect the described fastening groove 42 of insertion, lamp socket 10A is rotated minute angle around the tube axle to cylinder axis direction generation strain and with locking protrusion 211.Thus, shown in the end view of Fig. 7, because of between locking protrusion 211 and resilient clamp sheet 212, entering the circumference of described lamp socket installing hole 41 and being held, so lamp socket 10A can be installed on the reflector 40 with this chucking power.By to rotating the lamp socket 10A that the back state is installed in the opposite direction with aforementioned side, then can eliminate described clamp position, make lamp socket 10A break away from reflector 40.
In this existing lamp socket, because by come the circumference of clamping lamp socket installing hole 41 that lamp socket 10A is remained on the reflector 40 with locking protrusion 211 and resilient clamp sheet 212, so under the situation that improves chucking power, preferably improve the rigidity of resilient clamp sheet 212.Because described resilient clamp sheet 212 forms one by ester moulding with lamp socket body 11A, therefore, improve rigidity, though also can do the wall thickness of resilient clamp sheet 212 thicker, but too improve rigidity, make resilient clamp sheet 212 produce just difficulty of strains, as previously mentioned, lamp socket 10A is installed, when breaking away from reflector 40, the frictional force of lamp socket 10A and 40 generations of reflection is bigger, when rotary lampholder, need bigger power, the mounting or dismounting variation of lamp socket.On the contrary, make it easily to produce strain, then can improve aforesaid mounting or dismounting, but the decline of the chucking power of resilient clamp sheet 212 is difficult to lamp socket 10A is stably remained on the reflector 40 if reduce the rigidity of resilient clamp sheet 212.Especially shown in Fig. 7 arrow, when applying the bigger power of cylinder axis direction on lamp socket 10A, resilient clamp sheet 212 is easy to generate strain, and the chucking power at bayonet socket 14A place just descends.
Summary of the invention
For adapting to the phase cross-demand of this resilient clamp sheet, the objective of the invention is to, provide a kind of and when improving mounting or dismounting property, improve chucking power and improve the lamp socket that keeps stability.
Conduct of the present invention is located at the structure of the bayonet part on the lamp socket, has: the locking protrusion that is provided in a plurality of positions of circumference of lamp socket body; Described relatively locking protrusion along cylinder axis direction leave predetermined distance and at a plurality of positions of the circumferencial direction of described lamp socket body separately to the outstanding a plurality of holding pieces of external diameter direction, described a plurality of holding pieces comprise that short side holding piece that outstanding length is short and outstanding length are than the described short side holding piece long side holding piece of length also.Here, described a plurality of holding piece preferably, part institute by the discoideus flange of tube on the shaft position that is located at described lamp socket body is constituted, by on a plurality of positions of the circumference that is located at described flange, to a plurality of groovings of the direction extension that intersects with circumferencial direction to constituting a plurality of ligule sheets that separate separately.
In the present invention, the form that preferably is constructed as follows.At least a portion of the periphery of described lamp socket body is provided with towards the recessed notch part of internal diameter direction, and described long side holding piece is provided on the periphery position that is provided with described notch part.In addition, described long side holding piece, its wall thickness increases to internal diameter direction from the front end of external diameter direction.In addition, described bulb support forms makes rectangular square tube shape, and described long side holding piece edge prolongs with the direction of the length direction almost parallel of described bulb support.Described a plurality of holding piece is formed with the butt projection of cylinder axis direction on the face of the relative side with described locking protrusion of the leading section of external diameter direction, and described butt projection at circumferencial direction with uniformly-spaced configuration.
Adopt the present invention, owing to can will give prominence to the holding piece that the short short side holding piece of length constitutes high rigidity, can constitute the rubber-like holding piece with giving prominence to the long side holding piece that length is longer than short side holding piece, therefore, can utilize high rigidity, elastomeric each characteristic of described short side holding piece and long side holding piece to improve operability when light fixture side mounting or dismounting lamp socket, and can improve the chucking power in the installment state and guarantee the stable hold mode of lamp socket.
The simple declaration of accompanying drawing
Fig. 1 represents the example of lamp socket of the present invention, is the stereogram of lamp socket, bulb and a reflector part;
Fig. 2 is the lamp socket vertical view of Fig. 1;
Fig. 3 is the lamp socket front view of Fig. 1;
Fig. 4 is the cutaway view along AA line among Fig. 2;
Fig. 5 is the end view after the part after being installed in Fig. 1 lamp socket on the reflector is dissectd;
Fig. 6 is the stereogram of existing lamp socket one example;
Fig. 7 is the cutaway view after being installed in existing lamp socket on the reflector.
Embodiment
Below, accompanying drawings example of the present invention.Fig. 1 is that the present invention is applicable to the stereogram of example of the baseless bulbs that is called wedge base bulb (ウ ェ Star ジ ベ-ス バ Le Block) being installed the lamp socket 10 of usefulness.Fig. 2 is its vertical view, and Fig. 3 is its front view.Described lamp socket 10 has the lamp socket body 11 that general shape is a tubular of making by ester moulding formation, the leading section of the diagram upside of described lamp socket body 11 constitutes the bulb support 12 that is the square tube shape, and the rearward end of diagram downside constitutes the connector portion 13 that is abnormity.In addition, the described lamp socket body 11 of the borderline region of described bulb support 12 and connector portion 13 forms cylindric, and formation is installed in this lamp socket 10 bayonet part of using on the light fixture side 14.In addition, in described lamp socket body 11, as Fig. 4 along shown in the cutaway view of AA line among Fig. 2, built-in hold hold can insert from described bulb support 12 to connector portion 13 in the described lamp socket body 11 with many after the sheet metal processing, be 2 contact 20 here.The front zone of described contact 20 constitutes the bulb contact sheet portion 21 of described bulb support 12, and territory, other end lateral areas constitutes the connector sheet portion 22 of described connector portion 13.In addition, on described bulb support 12, wedge base bulb 30 can be installed, and the mains side connector that can chimeric with not shown vehicle power in described connector portion 13 be connected is electrically connected vehicle power and described wedge base bulb 30 by described contact 20.
Described bulb support 12 forms the square tube shape, that this square tube shape is is corresponding with pedestal part 31 shapes of described wedge base bulb 30, near flat oblong openings shape, in its front end opening 101, can embed the described pedestal part 31 of described wedge base bulb 30.Described wedge base bulb 30 is as known technology, and pedestal part 31 forms flat, and 2 wire electrodes 33 that are electrically connected with the interior filament 32 that is contained in the bulb 30 are adapted to crooked state along the two sides of described pedestal part 31.And, when described pedestal part 31 is contained in the front end opening 101 of described bulb support 12, each electrode 33 of described pedestal part 31 is made Elastic Contact with the bulb contact sheet portion 21 that is contained in the described contact 20 in the described lamp socket body 11, constitutes to be electrically connected.And in the described front end opening 101 of described bulb support 12, the protuberance 34 of the chock shape on the pedestal part 31 that is formed with respectively and is located at described wedge base bulb 30 engages mutually, be used for preventing the hooking sheet 102 that wedge base bulb 30 comes off and be used for absorbing the loosening loosening absorbing sheet 103 of base length direction in the described pedestal part 31, becomes wedge base bulb 30 supportings that will embed described bulb support 12 and is the structure of stable status.Here, omit its detailed description.
On the other hand, described connector portion 13, the shape of seeing from rearward end in this example forms the tubular that is convex shape, bottom within it, it is outstanding state that the connector sheet portion 22 of described contact 20 supports towards open side.Therefore, chimeric by constituting with the not shown mains side connector of described connector portion 13 corresponding shape and described connector portion 13, the not shown connector sheet that just can make this mains side contact contacts with described connector sheet portion 22, is mutually to be electrically connected.
In addition, described bayonet part 14 as previously mentioned, the profile of described lamp socket body 11 forms cylindric, be provided with herein, utilize the square tube shape of described bulb support 12 to be corresponding and will be near flat rectangular structure cut the notch part 111 of the く font that meets at right angles towards the central side of tube axle separately along the both sides of the diagonal position of its long side direction with the pedestal part 31 of wedge base bulb 30.On the periphery beyond the described notch part 111, a plurality of locking protrusions 112 are to radially outstanding, one end of the circumferencial direction of described locking protrusion 112 forms the wedge shape, and as shown in Figure 1, can constitute be located at reflector 40 back sides, be configured in circumference that fastening groove on rounded lamp socket installing hole 41 peripheries is 42 corresponding, each locking protrusion 112 connects and inserts each fastening groove 42.In addition, on the periphery of described bayonet part 14, leave slight gap, promptly leave the interval of the wall thickness dimension that is substantially equal to described reflector 40 and integrally formed discoideus flange 113 at cylinder axis direction and described each locking protrusion 112.And, on described flange 113, in its circumferencial direction position of 4 five equilibriums roughly, respectively with along and the slight gap of the direction extension that intersects of circumferencial direction be formed with paired grooving 114, thus, be formed with tongue-shaped holding piece respectively 114 of each right groovings, promptly amount to 4 holding pieces 115～118.Here, in the back of described 4 holding pieces 115～118 side, its wall thickness forms thinlyyer than the wall thickness of described flange 113.
In described 4 holding pieces 115～118, radially 2 holding pieces 115,116 of configuration are configured on the periphery that is not formed with described notch part 111 relatively, and owing to the radial direction of each holding piece 115,116 towards lamp socket body 11 forms, so the length of the sheet of described holding piece 115,116 constitutes short short side holding piece.On the other hand, be located at described short side holding piece 115,116 roughly other 2 holding pieces 117,118 on the circumferential position of quadrature form and protrude in described notch part 111, and towards the direction that roughly parallels with the length direction of the peristome that is rectangle 101 of described bulb support 12 and form, therefore, the length of described holding piece 117,118 constitutes the long side holding piece that length is longer than the radial dimension of described flange 113.This grows side holding piece 117,118 as can be seen from Figure 4, and its wall thickness constitutes from the leading section of its external diameter direction and increases gradually along described notch part 111.For any one of described short side holding piece 115,116 and long side holding piece 117,118, at separately leading section and on the face relative, be formed with the butt projection 115a～118a that protrudes in described flange 113 fronts along cylinder axis direction with microsize with described locking protrusion 112.In addition, being located at the hole 119 of the cylinder axis direction on the described flange 113, is the demoulding hole of the mould when the described locking protrusion 112 that is utilized when the described lamp socket of ester moulding is shaped.
Adopt the lamp socket 10 that as above constitutes, with the pedestal part 31 of passing through on the bulb support 12 of lamp socket body 11, to embed wedge base bulb 30 in the past the samely, and wedge base bulb 30 is bearing on the bulb support 12, the bulb contact sheet portion 21 that is contained in the contact 20 in the lamp socket body 11 contacts with the electrode 33 of wedge base bulb 30, and is electrically connected.And with the lamp socket installing hole 41 of described lamp socket 10 from bulb support 12 sides insertion reflector 40.At this moment, by each locking protrusion 112 and fastening groove 42 aligned positions with bayonet part 14, and each locking protrusion 112 is connected in the insertion fastening groove 42, thus, lamp socket body 11 is inserted into the positions of flange 113 near reflection 40 back sides.When cylinder axis direction rotates lamp socket body 11, each locking protrusion 112 rotates because of the inner face of wedge shape chock effect partly along reflector 40.At this moment,, be located at the butt projection 115a～118a on each leading sections of 4 holding pieces 115～118 and the back side butt of reflector 40, produce strain along cylinder axis direction slightly in the rear side of reflector 40.Its result, when lamp socket 10 rotated the angle of regulation, the circumference of the lamp socket installing hole 41 of reflector 40 was held between locking protrusion 112 and holding piece 115～118, that is to say, shown in the end view after the part of Fig. 5 is dissectd, lamp socket 10 is installed on the reflector 40.
Here, in described 4 holding pieces since 2 short side holding pieces 115,116 radially be shorter in length than long side holding piece 117,118, so the degree of the strain of its cylinder axis direction is lower than long side holding piece, its rigidity is higher than long side holding piece.On the other hand, long side holding piece 117,118, rigidity is lower than short side holding piece 115,116 and easy strain on the contrary.Therefore, as previously mentioned, in the time of on the lamp socket installing hole 41 that lamp socket 10 is installed in reflector 40, short side holding piece 115,116 and each butt projection 115a～118a of long side holding piece 117,118 and the back side butt of reflector 40, the butt power of long side holding piece 117,118 descends because of its strain, and the butt power of short side holding piece 115,116 becomes bigger state.Therefore, when rotating lamp socket 10, the frictional force that produces with the butt power between lamp socket body 11 and the reflector 40 is because of the butt power of at least 2 long side holding pieces 117,118 reduces, compare with the situation of holding piece rigidity in improving existing structure, can improve the mounting or dismounting of lamp socket.At this moment, because long side holding piece 117,118 extends abreast from the notch part 111 of lamp socket body 11 length direction with the peristome 101 of bulb support 12,, can obtain enough elasticity so can form also longlyer than the radial dimension of flange 113.In addition, because the wall thickness of described long side holding piece 117,118 increases to notch part 111 from the front end of external diameter direction, so the stress that the notch part side is produced can relax strain especially time the and prevent that its folding is bad.The above occasion that acts on lamp socket 10 disengaging reflectors 40 also is identical.
On the other hand, under the state that lamp socket 10 has been installed, higher because of the rigidity of short side holding piece 115,116, so compare, can utilize the high chucking power of the high rigidity generation of described short side holding piece 115,116 to improve the grip strength of lamp socket with the flexible situation of holding piece in improving existing structure.In this example, has flange 113 with described 4 holding pieces 115～118 same level positions, the wall thickness of described flange 113 is thicker than each holding piece 115～118, thus, form high flanges for adding rigidity, under the situation of the external force of the cylinder axis direction of the chucking power that temporarily is subjected to surpassing short side holding piece 115,116 on the lamp socket 10, also can utilize flange 113 to overcome this external force, suppress axial moving, the chucking power at bayonet part 14 places in the lamp socket 10 can be held in higher state as far as possible.In addition, described flange 113 can prevent lamp socket body 11 undue insertions in the lamp socket installing hole 41 when mounting lamp holder 10, prevents the bad phenomenon of each holding piece 115～118 folding.Described flange 113 is under the lamp socket free state that lamp socket 10 is not installed on the light fixture, and is self-evident, also can prevent the phenomenon because of each holding piece of damage.
As mentioned above, by constituting 4 holding pieces by rigidity higher 2 short side holding pieces 115,116 and 2 long side holding pieces 117,118 of rubber-like, thereby can relax installation, the operating physical force when breaking away from of lamp socket 10, and can improve the chucking power at lamp socket 10 places of the state after being installed on the reflector 40.And this moment, in aforementioned example, the butt projection 115a～118a of the leading section separately of each 2 short side holding piece and long side holding piece, because of being configured in the roughly position of 4 five equilibriums of the circumferencial direction of lamp socket body 11, so in that to keep the clamping equilibrium of forces also be effective with lacking side holding piece 115,116 and growing side holding piece 117,118.
In addition, in aforementioned example, though the present invention is applicable to lamp socket that the wedge base bulb is used, so long as can form the structure of short side holding piece and long side holding piece, the also lamp socket of using applicable to the lamp holder bulb respectively.In addition, in aforementioned example, though be the lamp socket that is applicable to connector integrated type, even utilize electric wire to be electrically connected also applicable the present invention of lamp socket of this structure.In addition, be not limited to be installed in the lamp socket on the lamp socket installing hole of being located at reflector, also applicable to the lamp socket that is installed on the lamp socket installing hole of being located at luminaire body.
Aforesaid the present invention, be used for constituting the holding piece of being located at the bayonet part on the lamp socket because of having, promptly at a plurality of positions of the periphery of lamp socket body to the outstanding a plurality of holding pieces of external diameter direction, and described a plurality of holding piece is constituted by giving prominence to short short side holding piece of length and the outstanding length long side holding piece greater than described short side holding piece, so short side holding piece can be constituted the holding piece of high rigidity, to grow the side holding piece and constitute the rubber-like holding piece, thereby can obtain following effect: can improve the operability of lamp socket when the light fixture side is installed and removed by described short side holding piece and long side holding piece, in addition, can improve the chucking power of installment state and can guarantee the stable hold mode of lamp socket.
Claims (6)
1. lamp socket has: the tubular bulb support that is provided with tubular lamp socket body, uses at described lamp socket body upper support bulb; Be located at the bayonet part of detachable described lamp socket body on the part of described lamp socket body, on light fixture, described bayonet part has: the locking protrusion that is provided in a plurality of positions of circumference of described lamp socket body; Described relatively locking protrusion along cylinder axis direction leave predetermined distance and at a plurality of positions of the circumferencial direction of described lamp socket body separately to the outstanding a plurality of holding pieces of external diameter direction, it is characterized in that described a plurality of holding pieces comprise short side holding piece that outstanding length is short and the outstanding length long side holding piece greater than described short side holding piece.
2. lamp socket as claimed in claim 1, it is characterized in that, described a plurality of holding piece is made of the part of the discoideus flange of tube on the shaft position that is located at described lamp socket body, by on a plurality of positions of the circumference that is located at described flange, to a plurality of groovings of the direction extension that intersects with circumferencial direction to and constitute a plurality of ligule sheets that separate separately.
3. lamp socket as claimed in claim 1 or 2 is characterized in that, is provided with at least a portion of the described periphery of described lamp socket body towards internal diameter direction and recessed notch part, and described long side holding piece is provided on the periphery position that is provided with described notch part.
4. lamp socket as claimed in claim 1 is characterized in that the wall thickness of described long side holding piece increases to internal diameter direction from the front end of external diameter direction.
5. lamp socket as claimed in claim 1 is characterized in that, described bulb support forms the square tube shape that is rectangle, and described long side holding piece is to extending with the direction of the length direction almost parallel of described bulb support.
6. lamp socket as claimed in claim 1, it is characterized in that, described a plurality of holding piece is formed with the butt projection of cylinder axis direction on the face of the relative side with described locking protrusion of the leading section of external diameter direction, and described butt projection at circumferencial direction with uniformly-spaced configuration.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP173480/1999 | 1999-06-21 | ||
| JP17348099A JP3710647B2 (en) | 1999-06-21 | 1999-06-21 | Valve socket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1278668A CN1278668A (en) | 2001-01-03 |
| CN1134089C true CN1134089C (en) | 2004-01-07 |
Family
ID=15961288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001187775A Expired - Fee Related CN1134089C (en) | 1999-06-21 | 2000-06-21 | Lamp base |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3710647B2 (en) |
| KR (1) | KR100339619B1 (en) |
| CN (1) | CN1134089C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427337C (en) * | 2004-08-05 | 2008-10-22 | 齐俊曌 | Lighting lamp for car contour |
| CN101615750B (en) * | 2008-06-24 | 2011-03-16 | 上海小糸车灯有限公司 | Contact-type lamp holder for wedge-shaped bulb |
| KR102554860B1 (en) | 2018-06-19 | 2023-07-13 | 한국단자공업 주식회사 | A terminal bracket |
| JP7194565B2 (en) * | 2018-11-13 | 2022-12-22 | 株式会社小糸製作所 | vehicle lamp |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577929A (en) * | 1993-10-26 | 1996-11-26 | Sumitomo Wiring Systems, Ltd. | Bulb socket |
| US5662490A (en) * | 1994-11-18 | 1997-09-02 | Sumitomo Wiring Systems, Ltd. | Bulb socket and method for using |
| US5895295A (en) * | 1997-06-19 | 1999-04-20 | Koito Manufacturing Co., Ltd. | Bulb socket |
-
1999
- 1999-06-21 JP JP17348099A patent/JP3710647B2/en not_active Expired - Fee Related
-
2000
- 2000-06-14 KR KR1020000032638A patent/KR100339619B1/en not_active IP Right Cessation
- 2000-06-21 CN CNB001187775A patent/CN1134089C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577929A (en) * | 1993-10-26 | 1996-11-26 | Sumitomo Wiring Systems, Ltd. | Bulb socket |
| US5662490A (en) * | 1994-11-18 | 1997-09-02 | Sumitomo Wiring Systems, Ltd. | Bulb socket and method for using |
| US5895295A (en) * | 1997-06-19 | 1999-04-20 | Koito Manufacturing Co., Ltd. | Bulb socket |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100339619B1 (en) | 2002-06-05 |
| CN1278668A (en) | 2001-01-03 |
| JP2001006833A (en) | 2001-01-12 |
| JP3710647B2 (en) | 2005-10-26 |
| KR20010007366A (en) | 2001-01-26 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040107 Termination date: 20180621 |