Title:
照明装置
Document Type and Number:
Japanese Patent JP6703741
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting system for enabling a lamp body to be lower while securing its radiation performance.SOLUTION: A lighting system 10 includes a frame body 11 and a lamp body 12. The frame body 11 is cylindrically shaped to be opened in the vertical direction. The lamp body 12 has a body part 42 provided with a light source for emitting light from the lower face, and a radiation fin 43 provided on the upper side of the body part 42. The body part 42 is arranged in the frame body 11 and turnably supported on the frame body 11 by a turning shaft 28 intersecting the lateral face of the body part 42. The radiation fin 43 is protruded upward from the frame body 11, and provided with a cutout 55a for avoiding the interference with the frame body 11 when the body part 42 is turned to be inclined. An edge 56a of the cutout 55a, which is opposed to the upper face of the frame body 11 when the body part 42 is inclined at a maximum angle, is set to be parallel to the upper face of the frame body 11.SELECTED DRAWING: Figure 1
Inventors:
Kuramochi Hiroyuki
Ryotaro Matsuda
Ryotaro Matsuda
Application Number:
JP2015227489A
Publication Date:
June 03, 2020
Filing Date:
November 20, 2015
Export Citation:
Assignee:
Toshiba Lighting & Technology Corporation
International Classes:
F21S8/02; F21V29/75
Domestic Patent References:
| JP2015135743A |
Foreign References:
| WO2012026420A1 |
Attorney, Agent or Firm:
Kumagai Masatoshi
Hitoshi Kono
Hitoshi Kono