| 摘要 |
PROBLEM TO BE SOLVED: To prevent dirt of a lens part and dust, etc., from entering into an intermediate part by securing the sliding space of a pickup part cover in between an upper cabinet and a pickup part by a sliding space securing means when an opening/closing lid is opened. SOLUTION: The cam 27 of a lid 4 is abutted on follower parts 16 to compress springs 28 in accordance with the opening of an opening/closing lid 4 and presses down an intermediate chassis 5 to a lower cabinet side against elastic forces of the springs 28 to secure the sliding space of a cover 21 in between a pickup part cover 21 and an upper cabinet 2. Moreover, when the lid 4 is opened, a feeding screw 25 rotates around the fixed part of the lid 4 and the screw 25 while being geared with a slid rack 24 to slide the rack 24 and also the cover sliding operation pin 24a protrudingly provided on the rack 24 and loosely inserted into a circular-arcuate slit 21a is moved from the edge part of the pickup part side of the slit 21a to the other side along the slit 21a. |
