Patent ID: 6461006
Filing Date: 2002-10-08
Classification: B60Q,G01D

Abstract:
A measuring instrument with an indicator comprising:at least one light-transmitting graduated board; a light-guiding plate provided along a reverse surface of the graduated board; a rotating machine provided on a reverse-surface side of the light-guiding plate and having an indicator shaft rotatably mounted and passing through a through-hole portion of the light-guiding plate and a through-hole portion of said graduated board; at least one light-emitting indicator supported at a forward end portion of said indicator shaft by a rotating base portion to rotate along a surface of said graduated board; a first light source disposed on a reverse-surface side of said light-guiding plate around said indicator shaft and projecting light into the light-emitting indicator from the rotating base portion through said through-hole portion of the light-guiding plate and said through-hole portion of the graduated board, said first light source projecting light into said graduated board through said light-guiding plate; and a second light source disposed at a position outwardly spaced from said indicator shaft with respect to said first light source in a radial direction, said second light source projecting light into said graduated board through said light-guiding plate, wherein said second light source is provided closer to the indicator shaft or to the first light source than to a graduated portion or to a display portion of the graduated board to provide a more uniformly lit graduated board.