| 摘要 |
PURPOSE:To easily and exactly correct an optical shift of a display device, to permanently fix a reflection mirror, and to always reflect an exact image, by separating a reflection mirror fixing base into plural parts, and fixing the respective fixing bases with plural male screws. CONSTITUTION:A fixing plate 2 is fixed to a first fixing base 1 of a reflection mirror, and to its fixing plate 2, the reflection mirror 3 is fixed. Also, in the fixing base 1 and a second fixing base, a through-hole being parallel and having the same center line is formed against the reflection mirror 3, and by one piece of shaft 5, the fixing base 1 and 4 are penetrated and connected. Also, by an E ring 6 provided on both ends of the shaft 5, the shaft is prevented from falling off, and two pieces of female screws are provided on the lower face of the fixing base 4, and fixed to a body 8 with two pieces of male screws 9 through two pieces of elliptical holes 10 provided on its fitting position on the body 8. Moreover, a projecting part 4a is provided on the fixing base 4, two pieces of female screws being symmetrical in the vertical direction against the shaft 5 are formed, two pieces of male screws 7 are allowed to pass through its screws, and the fixing base 1 is fixed against the rotational direction of the shaft 5. |
