An optical disk drive assembly. A top housing, cover, tab, solenoid switch base,
solenoid switch, hook, and torsion spring work to enable securing and opening of
the cover, rotatably connected to the top housing with a front edge. The tab protrudes
from the front edge of the cover in the middle, and defines an opening. The solenoid
switch base is disposed on the top housing and comprises a torsion spring and a
spring support and defines a shaft opening. The solenoid switch is inserted at
the solenoid switch base and comprises a pivot and a tension spring disposed on
the pivot. The hook comprises a hook shaft, and the hook pivots on the solenoid
switch with the hook shaft accommodated in the shaft opening. The torsion spring
is disposed at the spring support of the solenoid switch base to open the cover.