As the lower drawer 12 moves, the small and large pinions 15 and 13 are rotated by {HEAD ~ the first rack gear} 12a fixed to {TAIL ~ the lower portion} of the lower drawer 12, causing the upper drawer 14 to advance at a higher speed to open the tray housing to receive the tape cassette 22 
fixed to
As the lower drawer 12 moves , the small and large pinions 15 and 13 are rotated by { HEAD ~ the first rack gear } 12a fixed to { TAIL ~ the lower portion } of the lower drawer 12 , causing the upper drawer 14 to advance at a higher speed to open the tray housing to receive the tape cassette 22
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH