JPS5451290A - Method of installing box for lighting fixture - Google Patents
Method of installing box for lighting fixtureInfo
- Publication number
- JPS5451290A JPS5451290A JP11826377A JP11826377A JPS5451290A JP S5451290 A JPS5451290 A JP S5451290A JP 11826377 A JP11826377 A JP 11826377A JP 11826377 A JP11826377 A JP 11826377A JP S5451290 A JPS5451290 A JP S5451290A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- boss section
- screw
- wood frame
- cover
- 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
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
PURPOSE: To prevent creak from the contact surfaces due to difference in the thermal expansion coefficient between the time of lighting and extinguishment by providing a base plate with a screw-hole-attached boss section solidly molded on a box body through a thin cut film with a fine gap secured between a screw head and the box body.
CONSTITUTION: Preripheral end of a cover 1 molded from a plastic material is provided with a flange on which a screw hole attached boss section 5 is solidly provided through a thin cut film 3. After a tapping screw with a seat is screwed down a wood frame serving as a mount base plate piecing the boss section 5, the thin cut film 3 is cut off the flange 2. Consequently, the boss section 5 is separated from the flange and the under surface of the boss section 5 is fixed to the wood frame 6. As the thickness of the boss section 5 is larger than that of the flange 2, the flange 2 is grasped between the bottom of the head of the screw 7 and the wood frame 6 with a fine clearance. With such an arrangement, the cover 1 slightly movable with respect to the wood frame 6, thereby removing creak completely regardless of any thermal expansion of the cover
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11826377A JPS5451290A (en) | 1977-09-30 | 1977-09-30 | Method of installing box for lighting fixture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11826377A JPS5451290A (en) | 1977-09-30 | 1977-09-30 | Method of installing box for lighting fixture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5451290A true JPS5451290A (en) | 1979-04-21 |
Family
ID=14732289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11826377A Pending JPS5451290A (en) | 1977-09-30 | 1977-09-30 | Method of installing box for lighting fixture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5451290A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010087052A1 (en) * | 2009-02-02 | 2010-08-05 | シャープ株式会社 | Lighting device and liquid crystal display device |
JP2017228436A (en) * | 2016-06-22 | 2017-12-28 | パナソニックIpマネジメント株式会社 | Lighting device |
-
1977
- 1977-09-30 JP JP11826377A patent/JPS5451290A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010087052A1 (en) * | 2009-02-02 | 2010-08-05 | シャープ株式会社 | Lighting device and liquid crystal display device |
JP2017228436A (en) * | 2016-06-22 | 2017-12-28 | パナソニックIpマネジメント株式会社 | Lighting device |
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