JPH01174846U - - Google Patents
Info
- Publication number
- JPH01174846U JPH01174846U JP7114588U JP7114588U JPH01174846U JP H01174846 U JPH01174846 U JP H01174846U JP 7114588 U JP7114588 U JP 7114588U JP 7114588 U JP7114588 U JP 7114588U JP H01174846 U JPH01174846 U JP H01174846U
- Authority
- JP
- Japan
- Prior art keywords
- filament
- shoulder
- supported
- beam light
- supports
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
第１図は本考案の一実施例であるシールドビー
ム電球の一部破断正面図、第２図はその要部拡大
断面図、第３図はサポートのフイラメント支持部
の拡大斜視図、第４図は要部であるフイラメント
の拡大正面図、第５図は本実施例のシールドビー
ム電球と配光パターンを示す図、第６図ａおよび
第７図ａはそれぞれ本実施例の比較例であるシー
ルドビーム電球の要部縦断面図、第６図ｂおよび
第７図ｂはそれぞれ第６図ａおよび第７図ａの電
球の配光パターンを示す図、第８図は従来のシー
ルドビーム電球の縦断面図、第９図はその要部拡
大断面図、第１０図はそのフイラメントの拡大正
面図、第１１図は従来のシールドビーム電球の配
光パターンを示す図である。
１０……密閉ガラス球、２６……サポート、３
０……フイラメント、３２……フイラメント脚部
、３４……フイラメント肩部、３６……フイラメ
ント首部、３８……フイラメントコイル部、４０
……シエード、ｄ１……フイラメント肩巾（サポ
ート先端部間隔）、ｈ１……フイラメント肩部か
らフイラメントコイル部下端までの高さ。
Fig. 1 is a partially cutaway front view of a sealed beam light bulb that is an embodiment of the present invention, Fig. 2 is an enlarged sectional view of its main parts, Fig. 3 is an enlarged perspective view of the filament support part of the support, and Fig. 4 5 is an enlarged front view of the filament, which is the main part, FIG. 5 is a diagram showing the shielded beam light bulb of this embodiment and the light distribution pattern, and FIGS. 6 a and 7 a are shields that are comparative examples of this embodiment, respectively. 6b and 7b are diagrams showing the light distribution patterns of the light bulbs in FIGS. 6a and 7a, respectively, and FIG. 8 is a longitudinal cross-sectional view of the conventional sealed beam light bulb. 9 is an enlarged cross-sectional view of the main part thereof, FIG. 10 is an enlarged front view of the filament, and FIG. 11 is a diagram showing the light distribution pattern of a conventional sealed beam light bulb. 10... Sealed glass bulb, 26... Support, 3
0... Filament, 32... Filament leg, 34... Filament shoulder, 36... Filament neck, 38... Filament coil part, 40
... Shade, d 1 ... Filament shoulder width (distance between support tips), h 1 ... Height from the filament shoulder to the lower end of the filament coil.
Claims (1)
トが一対のサポートによつて両端支持され、この
フイラメント上方に前記サポートに支持されたシ
エードが設けられたスポツト照明用シールドビー
ム電球であつて、前記フイラメントは、サポート
先端部に支持される左右のフイラメント脚部と、
各々のフイラメント脚部から脚内側に略垂直に屈
曲されて延びる左右のフイラメント肩部と、この
フイラメント肩部から略垂直に立ち上がるフイラ
メント首部と、このフイラメント首部に形成され
たフイラメントコイル部とからなるものにおいて
、フイラメント脚部を支持する前記左右のサポー
ト先端部間隔および前記フイラメントの肩幅を６
〜８mmとし、かつ前記フイラメント肩部からフイ
ラメントコイル部下端までの高さを１．０〜１．
５mmとしたことを特徴とするスポツト照明用シー
ルドビーム電球。 A sealed beam light bulb for spot lighting in which a filament serving as a light source is supported at both ends by a pair of supports in a sealed glass bulb, and a shade supported by the supports is provided above the filament, the filament is , left and right filament legs supported by the support tip,
Consisting of left and right filament shoulders bent and extending approximately perpendicularly from each filament leg toward the inside of the leg, a filament neck rising approximately vertically from the filament shoulder, and a filament coil portion formed on the filament neck. , the distance between the left and right support tips supporting the filament legs and the shoulder width of the filament are set to 6.
8 mm, and the height from the filament shoulder to the lower end of the filament coil is 1.0 to 1.
A sealed beam light bulb for spot lighting characterized by a diameter of 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7114588U JPH01174846U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7114588U JPH01174846U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174846U true JPH01174846U (en) | 1989-12-12 |
Family
ID=31296356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7114588U Pending JPH01174846U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174846U (en) |
-
1988
- 1988-05-31 JP JP7114588U patent/JPH01174846U/ja active Pending