POINTER TYPE MEASURING INSTRUMENT
DRIVE
May 11, 2011
Disclosed is a pointer type measuring instrument of a novel look, in which an indication portion detours the outer circumference of a display portion and can be visually confirmed as if the indication portion is floating above the display portion. The pointer type measuring instrument (M) comprises a display means (1), a drive body (2) mounted on the back side of the display means (1), an arm portion (3) mounted on the output shaft (26) of the drive body (2) and detouring the outer circumference of the display means (1), an indicating portion (5) extending from the arm portion (3) toward the center of the display means (1) and indicating an indicator portion (4) disposed on the display means (1), and a first light source (7) mounted on the arm portion (3) or the indicating portion (5) and causing the indicating portion (5) to glow. The indicating portion (5) is provided with a light-guide portion (51) for guiding the light emitted from the light source (7), and a light-transmitting member (52). The light-guide portion (51) is provided with a mirror-face portion (54) and a light-reflecting portion (55). The light-transmitting member (52) is disposed on that portion of the light-guide portion (51) which is on the reverse side of the face provided with the light-reflecting portion (55) thereon and which corresponds to the light-reflection portion (55) of the light-guide portion (51), and the light-transmitting member (52) is provided with diffusing portions (56a and 56b) for diffusing the light from the light-guide portion (51) to the light-transmitting member (52).
Discussion in the ATmosphere