Patent ID: 9176362
Filing Date: 2015-11-03
Classification: G03B

Abstract:
1. An optical path adjusting device comprising: a rotating unit comprising at least one moving unit movably disposed relative to the rotating unit and linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole, the moving unit comprising wherein the first slider and second slider are movable toward each other or away from each other and close the through-hole at the advance position by contacting each other and open the through-hole at the retreat position by moving away from the through-hole; a transmitting unit disposed between the rotating unit and the moving unit, the transmitting unit comprising a first transmission gear that is coupled to and rotates between the gear surface and the first linear gear and a second transmission gear that is coupled to and rotates between the gear surface and the second linear gear, wherein the transmitting unit transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole.