| 摘要 |
PROBLEM TO BE SOLVED: To provide an instrument device capable of acquiring a sufficient antifog effect even with a small case. SOLUTION: The instrument device includes: an indicating instrument 2 provided with a display board 5 in the front side; a case 1 for housing the indicating instrument 2; a light emitting body 10 for display arranged on the display board 5 in a facing manner; a transparent plate 6 through which the inside is viewable, disposed at the opening of the case 1 and covering the indicating instrument 2 in a sealed state; and a ventilation part 8 disposed at the case 1 and having a vent hole 7 which causes a housing space constituted by the transparent plate 6 and the case 1 to communicate with the outside air. The instrument device also includes a tubular holding part 12 running from the bottom face of the case 1 to the height direction so as to correspond to the position of the vent hole 7 provided at the ventilation part 8, and the light emitting body 10 for display disposed at the upper end of the holding part 12. COPYRIGHT: (C)2011,JPO&INPIT |
