Title:
LAMP
Document Type and Number:
Japanese Patent JP2014137897
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a lamp in which a cover can be attached to a case by a simple structure.SOLUTION: A lamp comprises: a cylindrical case 1; a support plate 21 arranged at one end side of the case 1; an LED 22 arranged at one end side of the support plate 21; and a cover 4 arranged at the case 1. Then, the case 1 comprises: a first arrangement part 14 positioned at the internal end side of a peripheral part 11; and a second arrangement part 15 positioned at the outside end side of the peripheral part 11 and recessed to the other end side rather than a first arrangement face 141. The cover 4 comprises: a protrusive piece 43 protruding to the internal end side in the vicinity of an opening 41, and the support plate 21 comprises: a first end 211 whose external end face is positioned at the internal end side rather than the first arrangement part 14, and which allows the protrusive piece 43 to pass to the other end side when arranging the cover 4 to the case 1, and a second end 212 whose external end face is positioned at the external end side rather than the external end face of the first arrangement part 14, and which can sandwich the protrusive piece 43 between the second arrangement part 15 and itself.
Inventors:
TAKENAGA TAKUSHI
HISAYASU TAKESHI
HISAYASU TAKESHI
Application Number:
JP2013005670A
Publication Date:
July 28, 2014
Filing Date:
January 16, 2013
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21S2/00; F21V17/00; H01L33/48; F21Y101/02
Attorney, Agent or Firm:
Kumagai Masatoshi