US 12,215,838 B2
Lighting tool for vehicle
Kazuki Abe, Tokyo (JP); and Norifumi Imazeki, Tokyo (JP)
Assigned to STANLEY ELECTRIC CO., LTD., Tokyo (JP)
Filed by STANLEY ELECTRIC CO., LTD., Tokyo (JP)
Filed on Mar. 13, 2024, as Appl. No. 18/604,054.
Claims priority of application No. 2023-042053 (JP), filed on Mar. 16, 2023.
Prior Publication US 2024/0310019 A1, Sep. 19, 2024
Int. Cl. F21S 43/237 (2018.01); F21S 43/247 (2018.01); F21S 43/31 (2018.01); B60Q 1/44 (2006.01)
CPC F21S 43/247 (2018.01) [F21S 43/237 (2018.01); F21S 43/31 (2018.01); B60Q 1/44 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A lighting tool for a vehicle comprising:
a first light source and a second light source;
a first light guide body configured to guide first light emitted from the first light source; and
a second light guide body configured to guide second light emitted from the second light source,
wherein the first light guide body has a rod-shaped first light guide part, a first incidence part and a branch emission part, the first incidence part being located on a base end side of the first light guide part and being configured to cause the first light emitted from the first light source to enter the first light guide part, the branch emission part being configured to emit some of the first light, which is guided in the first light guide part, to an outside of the first light guide part, and
the second light guide body has a rod-shaped second light guide part, a second incidence part and a branch incidence part, the second incidence part being located on a base end side of the second light guide part and being configured to cause the second light emitted from the second light source to enter the second light guide part, the branch incidence part being configured to cause the first light, which is emitted from the branch emission part, to enter the second light guide part.