JPH01111410U - - Google Patents
Info
- Publication number
- JPH01111410U JPH01111410U JP637988U JP637988U JPH01111410U JP H01111410 U JPH01111410 U JP H01111410U JP 637988 U JP637988 U JP 637988U JP 637988 U JP637988 U JP 637988U JP H01111410 U JPH01111410 U JP H01111410U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- blade
- front surface
- emitting body
- light emitting
- 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
- 230000005855 radiation Effects 0.000 claims 1
- 230000031070 response to heat Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
第１図と第２図は本考案実施例の断面構造を示
す図、第３図は本考案実施例の外観構造を示す図
、第４図は本考案の他の実施例の構造を示す図で
ある。
１…ハウジング、２…ランプ、３…反射部材、
４…ガラス板、５…照明器具カバー、６…羽根、
７…軸、８…枠、９…ワイヤ、１０，１１…バネ
。
Figures 1 and 2 are diagrams showing the cross-sectional structure of an embodiment of the invention, Figure 3 is a diagram showing the external structure of the embodiment of the invention, and Figure 4 is a diagram showing the structure of another embodiment of the invention. It is. 1...Housing, 2...Lamp, 3...Reflection member,
4...Glass plate, 5...Lighting equipment cover, 6...Blade,
7... Axis, 8... Frame, 9... Wire, 10, 11... Spring.
Claims (1)
て発光体の前面を開閉する構造の照明器具カバー
において、上記羽根の自由端に連結され上記発光
体からの放熱を受けて変形する形状記憶合金から
なる第１のバネと、上記羽根の自由端に連結され
上記第１のバネの付勢に対抗する第２のバネとを
備え、上記発光体が点灯したとき上記第１のバネ
の付勢により上記羽根が回動して発光体の前面が
開き、上記発光体が消灯したとき上記第２のバネ
の付勢により上記羽根が回動して発光体の前面が
閉じるよう構成された照明器具カバー。 In a lighting equipment cover having a structure in which a plurality of blades arranged in parallel each rotate to open and close the front surface of a light emitting body, the light fixture cover is connected to the free end of the blade and deforms in response to heat radiation from the light emitting body. a first spring made of a shape memory alloy; and a second spring connected to the free end of the blade to counteract the biasing of the first spring; The blade is rotated by the bias of the second spring to open the front surface of the light emitting body, and when the light emitter is turned off, the blade is rotated by the bias of the second spring and the front surface of the light emitter is closed. light fixture covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP637988U JPH01111410U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP637988U JPH01111410U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111410U true JPH01111410U (en) | 1989-07-27 |
Family
ID=31210506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP637988U Pending JPH01111410U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111410U (en) |
-
1988
- 1988-01-20 JP JP637988U patent/JPH01111410U/ja active Pending