US 7,549,776 B2
Scuff plate
Hideto Maeda, Aichi-ken (Japan); Daiichiro Kawashima, Aichi-ken (Japan); Tatsuo Ito, Aichi-ken (Japan); Tatsuya Oba, Aichi-ken (Japan); Mitsuru Kamikatano, Sakura (Japan); and Kohki Ishikawa, Tokyo (Japan)
Assigned to Toyoda Gosei Co., Ltd., Aichi-pref. (Japan); and Fujikura Ltd., Tokyo (Japan)
Filed on Nov. 21, 2006, as Appl. No. 11/602,456.
Claims priority of application No. 2005-338882 (JP), filed on Nov. 24, 2005.
Prior Publication US 2007/0133214 A1, Jun. 14, 2007
Int. Cl. F21V 15/00 (2006.01); G09F 13/04 (2006.01)
U.S. Cl. 362—362  [362/364; 362/495; 362/620; 40/564] 13 Claims
OG exemplary drawing
 
1. A scuff plate having:
a luminous unit which has a prism-like shape formed to enable a transmission of light therethrough and of which one of side surfaces forms a luminous surface;
a light source unit for emitting light to illuminate one of axial end faces of the luminous unit; and
a light guiding unit which has a plate-like shape adapted to transmit light therethrough and which is disposed to face the luminous surface of the luminous unit on a side surface thereof, wherein
the light guiding unit has recessed portions, which are recessed from a rear of the light guiding unit,
at least one of the recessed portions has a luminous surface portion, which is inclined relative to a front surface thereof, and
the recessed portions are aligned in a direction that is parallel to a longitudinal axis of the luminous unit.