CA2207139A1 - Improved structure for miniature lamp - Google Patents
Improved structure for miniature lampInfo
- Publication number
- CA2207139A1 CA2207139A1 CA002207139A CA2207139A CA2207139A1 CA 2207139 A1 CA2207139 A1 CA 2207139A1 CA 002207139 A CA002207139 A CA 002207139A CA 2207139 A CA2207139 A CA 2207139A CA 2207139 A1 CA2207139 A1 CA 2207139A1
- Authority
- CA
- Canada
- Prior art keywords
- conductors
- lamp
- lamp bulb
- connecting end
- flat insertion
- 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.)
- Abandoned
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
-
- 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
- H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
- H01R33/09—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for baseless lamp bulb
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Connecting Device With Holders (AREA)
Abstract
An improved miniature lamp structure, wherein, two conductors are positioned by a burned bead in the lamp bulb, a tungsten filament is provided on the top of the conductors of which the ends extend outwardly of a flat insertion connecting end of the lamp bulb; it is characterized in that, the outwardly extending ends of the conductors are bended to be positioned on the two lateral sides of the flat insertion connecting end, so that they can be connected directly with two power line metal sheets provided in a connecting base. Metal contact sheets or caps required by ordinary miniature lamps can be saved in the present invention.
Description
CA 0220il39 1997-06-0~ -TITLE: IMPROVED STRUCTURE FOR MINIATURE LAMP
The present invention is re~ated to an improved con-necting structure for a miniature lamp, and especially to which wherein the internal conductors are directly bended and close to the two lateral surfaces of an insertion con -necting end of a lamp bulb, so that a telescopically slipping over connecting member or related metal sheet conductors can be saved.
BACKGROUND OF THE INVENTION
1. Field of the Invention Ordinary miniature lamp bulbs mostly are made of glass, two conductors are provided in the vacuum interior of each lamp bulb, a short tungsten filament is provided between the upper ends of the conductors, the conductors tg are extended with the other ends thereof through a glass spherical body and then are connected to the electric su-PPly.
The present invention is re~ated to an improved con-necting structure for a miniature lamp, and especially to which wherein the internal conductors are directly bended and close to the two lateral surfaces of an insertion con -necting end of a lamp bulb, so that a telescopically slipping over connecting member or related metal sheet conductors can be saved.
BACKGROUND OF THE INVENTION
1. Field of the Invention Ordinary miniature lamp bulbs mostly are made of glass, two conductors are provided in the vacuum interior of each lamp bulb, a short tungsten filament is provided between the upper ends of the conductors, the conductors tg are extended with the other ends thereof through a glass spherical body and then are connected to the electric su-PPly.
2. Description of the Prior Art Such lamp structures available nowadays include the types stated below:
The first one is shown in Fig. 1, wherein, a conven-tional ball shaped lamp bulb 10 is provided with a flat insertion connecting end 11, two separately located con-ductors 12, 13 are positioned by a burned bead 14, a tung -sten filament 15 of predetermined length and for emit-ting light is provided on the top of the conductors 12, 13. The lower ends of the conductors 12, 13 are bended to render the bending sect~ons 16, 17 thereof to be close to the front and the rear surfaces of the flat insertion con -necting end 11 respectively. Such a lamp 10 ~enerslly must be assembled onto a connecting base 20 which ordi-narily is provided with an 1nternal hole 21 for tele-scopically connecting with the flat insertion connecting end 11, two metal sheets 22, 23 on a power line are pro-vided on both sides respectively of the internal h~le 21, four front and rear metal contact sheets 24, 2~ are pro-vided for connecting with the bending sections 16, 17 o~
the conductors 12, 13. So that when the lamp 10 is assem-bled onto the connectin~ base 20, the bending sections 16, 17 of the conductors 12, 13 are connected to the four 1~ internal metal contact sheets 24, 25 respectively, then the metal contact sheets 24, 25 are connected to the elec -tric wires, the lamp can thus be turned on to emit light . While defect of such lamp is that it must use more me-tal contact sheets 24, 25.
The second one is shown in Fig. 2, wherein, the con-ventional structure of a Christmas lamp is shown, the ends 33, 34 of two conductors 31, 32 ~rom a Christmas lamp bulb 30 thereof are extended in straight lines out of the glass body and are extended through two correspon-2~ ding holes provided ~n th~ bottom of a plastic cap 3~, then are bended to be close to the two lateral sides of CA 02207139 1997-06-0~ ' the plastic cap 35 at the lower end thereof. The plastic cap 35 with the lamp bulb 30 assembled thereon then is connected to a connecting sleeve 36, the ends 33, 34 ex-posed can contact the internal metal contact sheets 37, 38 provided in the connecting sleeve 36. While defect of such lamp is that it must use an extra plastic cap 35.
The third one is shown in Fig. 3, wherein, an elonga-ted lamp bulb 40 on a screw type lamp is shown, the lower ends of two conductors 41, 42 from the lamp bulb 40 are extended outwardly to be welded to an external screw cap 43, and then are screw coupled in an inner plastic screw hole of a connecting base 45, and contact the internal metal contact sheets 47, 48 provided in the plastic screw hole. Such lamp also must use a meta~lic external screw cap 43.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an improved connecting structure for a miniature lamp, where -in, the lower ends of two conductors from the lamp bulb are extended outwardly to be positioned on the two later-al sides of a flat insertion connecting end thereof, so that the lamp bulb can be assembled in the connecting ba-se directly without providing extra metal contact sheets or cap, production cost of such non-expensive miniature lamps can be largely and effectively reduced.
The present invention will be apparent in its novelty CA 02207139 1997-06-0~ ' and other characterist;cs after reading the detailed des-cription of the preferred embodiments thereof in referen-ce to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings:
Fig. 1 is an analytic perspective view of a conven-tional ball shaped miniature lamp;
Fig. 2 is an analytic perspective view of a conven-tional Christmas lamp;
Fig. 3 is an analytic perspective view of a conven-tional elongated miniature lamp;
Fig. 4 is an analytic perspective view of an embodi-ment of the present invention;
Fig. 5 is a partial sectional view of the embodiment shown in Fig. 4;
Fig. 6 shows another embodiment of the present inven-tion;
Fig. 7 shows a further embodiment of the present in-vention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring firstly to Fig. 4, taking Christmas lamps as an example, the present invention is also provided with two conductors 51, 52 in a Christmas lamp bulb 50 thereof, the conductors ~1, 52 are positioned by a burned bead 53, a tungsten filament 54 is provided on the top of the conductors 51, 52, the present invention is charac-CA 02207139 1997-06-0~ ' terized mainly in that, the outwardly extending ends 55, 56 of the conductors 51, 52 are bended to be close to the two lateral sides 58, 59 of a flat insertion connecting end 57 of the lamp bulb 50, meanwhile, two raised strips 570 are provided respectively on the front and the rear surfaces of the flat insertion connecting end 57, and an appropriate engaging protrusion 571 is provided on each of the two raised strips 570.
The above stated Christmas lamp bulb 50 can therefore be assembled in the connecting hole 61 of a connecting base 60, now the engaging protrusions 571 on the flat in-sertion connecting end 57 can be snaP engaged with two engaging lugs 64, 65 on the wall of the connecting hole 61; the outwardly extending ends 55, 56 of the conductors 51, 52 bended to be close to the two lateral sides 58, 59 of the flat insertion connecting end 57 are directly press connected with two internal power line metal sheets 62, 63 provided in the connecting hole 61 (referring to Fig. 5). Thereby, no intermediate (plastic) cap is re-quired as is the case of the above stated conventional structure.
In another embodiment such as is shown in Fig. 6, the present invention is also provided with a flat insertion connecting end 71 at the lower portion of the lamp bulb 70, the outwardly extending ends 74, 75 of two conductors 72, 73 provided therein are bended to be close to the two CA 02207139 1997-06-0~ -lateral sides of the flat insertion connecting end 71, so that they can be connected directly with two power line metal sheets 77, 78 provided in the connecting hole of a connecting base 76. In order to increase the capability of positioning of such insertion, the flat insertion connecting end 71 mentioned above can also be provided with two raised strips 79 and two engaging protrusions 791 rspectively on the front and the rear surfaces there-of. It can be seen from this embodiment that, the embodi-ment can save the four originally necessary internal me-tal contact sheets in conventional arts such as is the case of the first type of the ordinary miniature lamps.
In another embodiment of an elongated lamp such as that shown in Fig. 7, the present invention is also pro-vided with two conductors 81, 82 in the lamp bulb 80, the outwardly extending ends of the conductors 81, 82 are bended to be close to the two lateral sides of a flat in-sertion connecting end 83 of the lamp bulb 80, the whole lamp bulb 80 can therefore be assembled directly in the connecting hole 8~ with a metallic surface of a connect-ing base 84, and two raised strips 86 and two engaging protrusions 861 provided thereon can be snap engaged with two engaging lugs 87 on the wall of the connecting hole of the connecting base 84, the protruding sections of the conductors 81, 82 on the lateral sides are press contact-ed with the internal power line metal sheets 88, 89 to CA 02207139 1997-06-0~ ' thereby save a metal cap conventionally required at the bottom of the miniature lamp bulb 80.
In view that the miniature lamp sets available in the markets are almost mass produced, unit price thereof is . very low, so th~at their competitiveness and yield of pro-duction can both be increased, and because the present invention can save internal metal contact sheets or caps, it owns a great economic benefit in production, and thus has high industrial value.
Having thus described my invention, what I claim as new and desire to be secured by Letters Patent of the ~nited States is:
The first one is shown in Fig. 1, wherein, a conven-tional ball shaped lamp bulb 10 is provided with a flat insertion connecting end 11, two separately located con-ductors 12, 13 are positioned by a burned bead 14, a tung -sten filament 15 of predetermined length and for emit-ting light is provided on the top of the conductors 12, 13. The lower ends of the conductors 12, 13 are bended to render the bending sect~ons 16, 17 thereof to be close to the front and the rear surfaces of the flat insertion con -necting end 11 respectively. Such a lamp 10 ~enerslly must be assembled onto a connecting base 20 which ordi-narily is provided with an 1nternal hole 21 for tele-scopically connecting with the flat insertion connecting end 11, two metal sheets 22, 23 on a power line are pro-vided on both sides respectively of the internal h~le 21, four front and rear metal contact sheets 24, 2~ are pro-vided for connecting with the bending sections 16, 17 o~
the conductors 12, 13. So that when the lamp 10 is assem-bled onto the connectin~ base 20, the bending sections 16, 17 of the conductors 12, 13 are connected to the four 1~ internal metal contact sheets 24, 25 respectively, then the metal contact sheets 24, 25 are connected to the elec -tric wires, the lamp can thus be turned on to emit light . While defect of such lamp is that it must use more me-tal contact sheets 24, 25.
The second one is shown in Fig. 2, wherein, the con-ventional structure of a Christmas lamp is shown, the ends 33, 34 of two conductors 31, 32 ~rom a Christmas lamp bulb 30 thereof are extended in straight lines out of the glass body and are extended through two correspon-2~ ding holes provided ~n th~ bottom of a plastic cap 3~, then are bended to be close to the two lateral sides of CA 02207139 1997-06-0~ ' the plastic cap 35 at the lower end thereof. The plastic cap 35 with the lamp bulb 30 assembled thereon then is connected to a connecting sleeve 36, the ends 33, 34 ex-posed can contact the internal metal contact sheets 37, 38 provided in the connecting sleeve 36. While defect of such lamp is that it must use an extra plastic cap 35.
The third one is shown in Fig. 3, wherein, an elonga-ted lamp bulb 40 on a screw type lamp is shown, the lower ends of two conductors 41, 42 from the lamp bulb 40 are extended outwardly to be welded to an external screw cap 43, and then are screw coupled in an inner plastic screw hole of a connecting base 45, and contact the internal metal contact sheets 47, 48 provided in the plastic screw hole. Such lamp also must use a meta~lic external screw cap 43.
SUMMARY OF THE INVENTION
The object of the present invention is to provide an improved connecting structure for a miniature lamp, where -in, the lower ends of two conductors from the lamp bulb are extended outwardly to be positioned on the two later-al sides of a flat insertion connecting end thereof, so that the lamp bulb can be assembled in the connecting ba-se directly without providing extra metal contact sheets or cap, production cost of such non-expensive miniature lamps can be largely and effectively reduced.
The present invention will be apparent in its novelty CA 02207139 1997-06-0~ ' and other characterist;cs after reading the detailed des-cription of the preferred embodiments thereof in referen-ce to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
In the drawings:
Fig. 1 is an analytic perspective view of a conven-tional ball shaped miniature lamp;
Fig. 2 is an analytic perspective view of a conven-tional Christmas lamp;
Fig. 3 is an analytic perspective view of a conven-tional elongated miniature lamp;
Fig. 4 is an analytic perspective view of an embodi-ment of the present invention;
Fig. 5 is a partial sectional view of the embodiment shown in Fig. 4;
Fig. 6 shows another embodiment of the present inven-tion;
Fig. 7 shows a further embodiment of the present in-vention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring firstly to Fig. 4, taking Christmas lamps as an example, the present invention is also provided with two conductors 51, 52 in a Christmas lamp bulb 50 thereof, the conductors ~1, 52 are positioned by a burned bead 53, a tungsten filament 54 is provided on the top of the conductors 51, 52, the present invention is charac-CA 02207139 1997-06-0~ ' terized mainly in that, the outwardly extending ends 55, 56 of the conductors 51, 52 are bended to be close to the two lateral sides 58, 59 of a flat insertion connecting end 57 of the lamp bulb 50, meanwhile, two raised strips 570 are provided respectively on the front and the rear surfaces of the flat insertion connecting end 57, and an appropriate engaging protrusion 571 is provided on each of the two raised strips 570.
The above stated Christmas lamp bulb 50 can therefore be assembled in the connecting hole 61 of a connecting base 60, now the engaging protrusions 571 on the flat in-sertion connecting end 57 can be snaP engaged with two engaging lugs 64, 65 on the wall of the connecting hole 61; the outwardly extending ends 55, 56 of the conductors 51, 52 bended to be close to the two lateral sides 58, 59 of the flat insertion connecting end 57 are directly press connected with two internal power line metal sheets 62, 63 provided in the connecting hole 61 (referring to Fig. 5). Thereby, no intermediate (plastic) cap is re-quired as is the case of the above stated conventional structure.
In another embodiment such as is shown in Fig. 6, the present invention is also provided with a flat insertion connecting end 71 at the lower portion of the lamp bulb 70, the outwardly extending ends 74, 75 of two conductors 72, 73 provided therein are bended to be close to the two CA 02207139 1997-06-0~ -lateral sides of the flat insertion connecting end 71, so that they can be connected directly with two power line metal sheets 77, 78 provided in the connecting hole of a connecting base 76. In order to increase the capability of positioning of such insertion, the flat insertion connecting end 71 mentioned above can also be provided with two raised strips 79 and two engaging protrusions 791 rspectively on the front and the rear surfaces there-of. It can be seen from this embodiment that, the embodi-ment can save the four originally necessary internal me-tal contact sheets in conventional arts such as is the case of the first type of the ordinary miniature lamps.
In another embodiment of an elongated lamp such as that shown in Fig. 7, the present invention is also pro-vided with two conductors 81, 82 in the lamp bulb 80, the outwardly extending ends of the conductors 81, 82 are bended to be close to the two lateral sides of a flat in-sertion connecting end 83 of the lamp bulb 80, the whole lamp bulb 80 can therefore be assembled directly in the connecting hole 8~ with a metallic surface of a connect-ing base 84, and two raised strips 86 and two engaging protrusions 861 provided thereon can be snap engaged with two engaging lugs 87 on the wall of the connecting hole of the connecting base 84, the protruding sections of the conductors 81, 82 on the lateral sides are press contact-ed with the internal power line metal sheets 88, 89 to CA 02207139 1997-06-0~ ' thereby save a metal cap conventionally required at the bottom of the miniature lamp bulb 80.
In view that the miniature lamp sets available in the markets are almost mass produced, unit price thereof is . very low, so th~at their competitiveness and yield of pro-duction can both be increased, and because the present invention can save internal metal contact sheets or caps, it owns a great economic benefit in production, and thus has high industrial value.
Having thus described my invention, what I claim as new and desire to be secured by Letters Patent of the ~nited States is:
Claims (2)
1. An improved connecting structure for a miniature lamp, it is comprised of in the glass lamp bulb thereof:
two conductors positioned by a burned bead, a tung -sten filament of specific length being provided between the top of said conductors, the lower ends of said conductors extend outwardly of a flat insertion connecting end of the lamp bulb;
the structure is characterized in that:
the outwardly extending ends of said conductors are bended to be positioned on the two lateral sides of said flat insertion connecting end, so that they can be connected directly with two power line metal sheets provided in a connecting base.
two conductors positioned by a burned bead, a tung -sten filament of specific length being provided between the top of said conductors, the lower ends of said conductors extend outwardly of a flat insertion connecting end of the lamp bulb;
the structure is characterized in that:
the outwardly extending ends of said conductors are bended to be positioned on the two lateral sides of said flat insertion connecting end, so that they can be connected directly with two power line metal sheets provided in a connecting base.
2. An improved connecting structure for a miniature lamp as claimed in claim 1, wherein, said flat insertion connecting end is provided with two raised strips, and an engaging protrusion is provided on each of said two raised strips, two engaging lugs correspondingly provided to said two engaging protrusion are located on the wall of a connecting hole in said connecting base.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9700957A GB2321345B (en) | 1997-01-17 | 1997-01-17 | Improved structure for miniature lamp |
| DE29700881U DE29700881U1 (en) | 1994-08-19 | 1997-01-20 | Miniature lamp with connector |
| FR9700930A FR2758913A1 (en) | 1997-01-17 | 1997-01-29 | Miniature lamp with connection piece |
| CA002207139A CA2207139A1 (en) | 1997-01-17 | 1997-06-05 | Improved structure for miniature lamp |
| JP9195214A JPH1139924A (en) | 1997-01-17 | 1997-07-07 | Connection device for bulb |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9700957A GB2321345B (en) | 1997-01-17 | 1997-01-17 | Improved structure for miniature lamp |
| DE29700881U DE29700881U1 (en) | 1994-08-19 | 1997-01-20 | Miniature lamp with connector |
| FR9700930A FR2758913A1 (en) | 1997-01-17 | 1997-01-29 | Miniature lamp with connection piece |
| CA002207139A CA2207139A1 (en) | 1997-01-17 | 1997-06-05 | Improved structure for miniature lamp |
| JP9195214A JPH1139924A (en) | 1997-01-17 | 1997-07-07 | Connection device for bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2207139A1 true CA2207139A1 (en) | 1998-12-05 |
Family
ID=27508629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002207139A Abandoned CA2207139A1 (en) | 1994-08-19 | 1997-06-05 | Improved structure for miniature lamp |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH1139924A (en) |
| CA (1) | CA2207139A1 (en) |
| FR (1) | FR2758913A1 (en) |
| GB (1) | GB2321345B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1177953A (en) * | 1966-04-18 | 1970-01-14 | Rival Lamps Ltd | Improvements relating to Lamp Holders |
| JPS5737913Y2 (en) * | 1978-04-04 | 1982-08-20 | ||
| US4624523A (en) * | 1985-07-03 | 1986-11-25 | Chrysler Motors Corporation | Cantilevered redundant terminal |
| US4795373A (en) * | 1987-05-15 | 1989-01-03 | Cooper Industries, Inc. | Lamp with plastic base |
| US5032090A (en) * | 1989-09-20 | 1991-07-16 | United Technologies Automotive, Inc. | Snap-in-terminals for wedge-base bulbs |
| US4943899A (en) * | 1989-12-06 | 1990-07-24 | Tseng Jeou N | Socket and bulb snap fastener for christmas light strings |
-
1997
- 1997-01-17 GB GB9700957A patent/GB2321345B/en not_active Expired - Fee Related
- 1997-01-29 FR FR9700930A patent/FR2758913A1/en active Pending
- 1997-06-05 CA CA002207139A patent/CA2207139A1/en not_active Abandoned
- 1997-07-07 JP JP9195214A patent/JPH1139924A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1139924A (en) | 1999-02-12 |
| FR2758913A1 (en) | 1998-07-31 |
| GB9700957D0 (en) | 1997-03-05 |
| GB2321345A (en) | 1998-07-22 |
| GB2321345B (en) | 2001-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |