Title:
基板ユニット装置及び照明器具
Document Type and Number:
Japanese Patent JP6681669
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a circuit board from falling from a substrate holder.SOLUTION: A substrate unit device includes: a lighting circuit board 331; a substrate holder 333 which holds the lighting circuit board 331; and a device case 35 which houses the lighting circuit board 331 and the substrate holder 333. The device case 35 includes a falling prevention rib 571 for holding positions of the lighting circuit board 331 and the substrate holder 333. The falling prevention rib 571 has a falling prevention part 572 and a holder pressing part 573 which are formed protruding from an inner wall of the device case 35 toward the lighting circuit board 331 and the substrate holder 333.SELECTED DRAWING: Figure 35
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Inventors:
Kazuyuki Tsurudome
Riwa Tange
Shinji Ishii
River Saki Yoshiaki
Riwa Tange
Shinji Ishii
River Saki Yoshiaki
Application Number:
JP2015100026A
Publication Date:
April 15, 2020
Filing Date:
May 15, 2015
Export Citation:
Assignee:
Mitsubishi Electric Corporation
Mitsubishi Electric Lighting Co., Ltd.
Mitsubishi Electric Lighting Co., Ltd.
International Classes:
F21S8/02; F21V15/01; F21V23/00
Domestic Patent References:
| JP2001182943A | ||||
| JP2014192194A | ||||
| JP8316645A | ||||
| JP7016313U |
Foreign References:
| WO2015063995A1 |
Attorney, Agent or Firm:
Shoji Mizoi