Patent ID: 9581471
Date: 2017-02-28
CPC Classifications: B60K,G01D

Claim:
1. A gauge assembly, comprising: a reflector portion having a plurality of chambers representing a predetermined range of a vehicle operating parameter, each chamber having one of a plurality of light sources; a dial portion having a gauge surface including graphics on the gauge surface representing the vehicle operating parameter, said dial portion positioned above said reflector portion; a pointer assembly supported for movement about an axis to indicate a current condition of the vehicle operating parameter by pointing to a specific location on the gauge surface, said pointer assembly including a pointer arm extending away from a hub; a fifth light source for backlight illumination of said reflector portion; a first light source for illuminating a first half of said pointer arm, said first half extending away from said hub to a midpoint of said pointer arm; a prism located in a second half of said pointer arm, said second half extending away from said midpoint to a tip of said pointer arm, wherein said prism is at a predetermined angle to reflect light from a respective one of said plurality of light sources when said second half of said pointer arm is positioned above a respective one of said plurality of chambers; and a light isolation portion having one or more steps formed through the pointer arm, wherein the one or more steps prevents light received by said first half from entering said second half of said pointer arm and prevents light received by said second half from entering said first half of said pointer arm.