Title:
LAMP UNIT
Document Type and Number:
WIPO Patent Application WO/2024/018923
Kind Code:
A1
Abstract:
Provided is a lamp unit obtained by attaching components thereof by co-fastening, said lamp unit preventing the components from being fixed in a cantilevered manner when the lamp unit is provided directly to a lamp exterior component. To achieve the above purpose, a lamp unit (10) comprises a light source (51), a heat sink (60), a lens holder (30) which has a lens support part (31) that disposes a projection lens (20) further forward than the light source (51), and a fixing part (40) with which the heat sink (60) and the lens holder (30) are fixed by co-fastening, wherein: the lens holder (30) is provided with a co-fastening connecting part (331) at at least two positions that are rearward of the projection lens (20) and that are separated from each other in the left-right direction, and is fixed with respect to the fixing part (40) disposed thereabove, along with the heat sink (60) disposed therebelow; and the lens support part (31) and the fixing part (40) are fixed with a hook part (34) that is provided to one of the lens support part (31) and the fixing part (40) and an engagement hole (43) that is provided to the other.
Inventors:
SHIMIZU KENICHI (JP)
IMACHI TETSUMASA (JP)
SATO HIROMITSU (JP)
ICHISE HAYATO (JP)
IMACHI TETSUMASA (JP)
SATO HIROMITSU (JP)
ICHISE HAYATO (JP)
Application Number:
PCT/JP2023/025241
Publication Date:
January 25, 2024
Filing Date:
July 07, 2023
Export Citation:
Assignee:
KOITO MFG CO LTD (JP)
International Classes:
F21S41/29; F21S41/147; F21S41/16; F21V29/503; F21V29/70; F21Y115/10; F21Y115/30
Foreign References:
| JP2017069150A | 2017-04-06 | |||
| JP2015154021A | 2015-08-24 | |||
| JP2020107495A | 2020-07-09 | |||
| JP2009212019A | 2009-09-17 |
Attorney, Agent or Firm:
FUJIOKA, Takahiro (JP)
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