US 12,109,944 B2
Lighting device with elongated light guide, housing and attachments thereof
Toshiaki Mori, Kiyosu (JP); Yoichi Matsuoka, Kiyosu (JP); Koichiro Endo, Nagoya (JP); Yukihiko Umeda, Kiyosu (JP); Shota Katsuno, Kiyosu (JP); and Hiroyuki Asano, Nagoya (JP)
Assigned to TOYODA GOSEI CO., LTD., Aichi-pref. (JP)
Filed by TOYODA GOSEI CO., LTD., Kiyosu (JP)
Filed on Aug. 14, 2023, as Appl. No. 18/449,284.
Claims priority of application No. 2022-154135 (JP), filed on Sep. 27, 2022.
Prior Publication US 2024/0101026 A1, Mar. 28, 2024
Int. Cl. B60Q 3/54 (2017.01); B60Q 3/12 (2017.01); B60Q 3/64 (2017.01)
CPC B60Q 3/54 (2017.02) [B60Q 3/12 (2017.02); B60Q 3/64 (2017.02)] 9 Claims
OG exemplary drawing
 
1. A lighting device, comprising:
a light source unit that outputs light;
an elongated light guide comprising a first end surface on which the light is incident, a second end surface located opposite to the first end surface, an emitting surface which comprises one of longitudinal side surfaces intersecting the first and second end surfaces and from which the light is emitted, and at least one held portion provided on at least one of the longitudinal side surfaces different from the emitting surface, the light guide guiding the light from the first end surface to the second end surface; and
a housing comprising an attachment portion to which the light source unit is attached, a housing portion that is open at an end portion on the attachment portion side and comprises a housing recess to house the light guide and an exposure opening exposing the emitting surface, and a holding portion that holds the light guide in the housing recess by sandwiching the at least one held portion,
wherein the attachment portion and the housing portion are integrally formed, and
wherein the holding portion is disposed between the attachment portion and the housing portion.