Title:
Light
Document Type and Number:
Japanese Patent JP6133764
Kind Code:
B2
Abstract:
A lighting apparatus (1) includes: an apparatus body (3) that is attached to a ceiling (2); and a light emitter unit (4) which is provided attachable and detachable under the apparatus body (3) and includes: a light emitter substrate (10) that includes a light emitting element (11); a power supply device (12) that is connected to the light emitter substrate (10); a translucent cover (5) that covers a lower part of the light emitter substrate (10) and transmits light irradiated from the light emitting element (11); and a pair of biasing members (16) that is arranged on an top face opposite to the translucent cover (5) in the light emitter unit (4) putting a position of a center of gravity of the light emitter unit (4) therebetween, each of the pair of biasing members (16) being a torsion spring including a coil part (17) that is wound in a cylindrical form and a pair of arm parts (18) that is extending from both ends of the coil part (17), the pair of biasing members (16) being arranged with center axes of the coil parts (17) parallel to each other, the pair of biasing members (16) being respectively attachable to and detachable from spring receiving pieces (6) provided on the apparatus body (3).
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Inventors:
Taichiro Yamashita
Takashi Ono
Hirofumi Tanaka
Yukiko Andachi
Takashi Ono
Hirofumi Tanaka
Yukiko Andachi
Application Number:
JP2013257578A
Publication Date:
May 24, 2017
Filing Date:
December 13, 2013
Export Citation:
Assignee:
Hitachi Appliances, Inc.
International Classes:
F21S2/00
Domestic Patent References:
| JP2012146493A | ||||
| JP6251613A | ||||
| JP2005158361A |
Foreign References:
| US20110075422 | ||||
| US20130322093 |
Attorney, Agent or Firm:
Yuji Toda