PURPOSE: To adjust a lens position accurately and easily without adjusting a lens fixation position by adjusting relative positions of various members of a lens moving mechanism consisting of a slidable base and a lens table.
CONSTITUTION: The base 15 of a lens moving mechanism is supported pivotally so that it is movable on the shaft 16 of the main body; the front side slides on a rail 18 by a slider 19, and the other side is clamped to a driving wire 29 with a screw 31. A lens table 23 mounting a lens 7 is pivoted rotatably on the shaft 22 of the base 15, and an adjusting plate 28 having a cam follower 26 fitted in a groove cam 25 is fixed with a screw 27. For the magnification optimization and focusing of a picture, the screw 31 is loosened to move the base 15, thus making the adjustment. For picture position adjustment, the screw 27 is loosened to rotate the adjusting plate 28, and thus the position relation between the lens table 23 and cam 25 is adjusted. Consequently, the lens position is adjusted accurately and easily without changing the lens fixation position.
KOBAYASHI HIROO
SATOU HIDEKI
MORIKAWA TERUO
Next Patent: ADJUSTING METHOD FOR POSITION OF LENS