a pickup base carrying {TAIL ~ an optical pickup} and having a first supporting section formed with a guide hole for allowing the main shaft to run through it and a second supporting section formed with a guide groove for pinching the sub shaft of {HEAD ~ a disc drive unit} with a smaller distance separating the main shaft and the sub shaft arranged opposite relative to each other, 
a pickup base carrying { TAIL ~ an optical pickup } and having a first supporting section formed with a guide hole for allowing the main shaft to run through it and a second supporting section formed with a guide groove for pinching the sub shaft of { HEAD ~ a disc drive unit } with a smaller distance separating the main shaft and the sub shaft arranged opposite relative to each other ,
OTH OTH OTH OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH