Disk keeper of a CD case

Abstract

A disk keeper mounted inside a disk case for locking a disk is disclosed to include a platform with an opening, and a keeper, which has a hollow upright shaft suspending in the opening at the, two side wings respectively extending from the bottom edge of the hollow upright shaft at two opposite lateral sides and respectively connected with a respective bottom part thereof to the platform, and two arched retaining strips respectively upwardly extending from the side wings for insertion into the circular center hole of a disk to hold down the disk on the platform.

1 . A disk keeper mounted inside a disk case for locking a disk, comprising: 
 a platform, said platform being shaped like a stepped cylinder and having an opening; and    a keeper suspending in the opening of said platform for keeping a disk on said platform, said keeper comprising a hollow upright shaft suspending in said opening at the center of said opening, two side wings respectively extending from a bottom edge of said hollow upright shaft at two opposite lateral sides and respectively connected with a respective bottom part thereof to said platform, and two arched retaining strips respectively upwardly extending from said side wings and spaced around said hollow upright shaft for insertion into the circular center hole of a disk to hold down the disk on said platform, said arched retaining strips each having a hooked portion for hooking a disk on said platform;    wherein said side wings are biased to tilt said arched retaining strips toward the periphery of said hollow upright shaft and to disengage the hooked portions of said arched retaining strips from the disk when said hollow upright shaft is pressed downwards by the user.    
   
   
       2 . The disk keeper as claimed in  claim 1 , wherein the hooked portions of said arched retaining strips are barbed.  
   
   
       3 . The disk keeper as claimed in  claim 2 , wherein the hooked portions of said arched retaining strips each have an outwardly downwardly sloping outer surface.  
   
   
       4 . The disk keeper as claimed in  claim 1 , wherein said platform has two arched bearing strips upwardly extending from a top wall thereof and disposed at two sides of said opening for insertion with said arched retaining strips of said keeper into the circular center hole of a disk.  
   
   
       5 . The disk keeper as claimed in  claim 1 , further comprising two flexible links respectively connected between said hollow upright shaft and said side wings.  
   
   
       6 . The disk keeper as claimed in  claim 5 , wherein said flexible links are made of a springy material.  
   
   
       7 . The disk keeper as claimed in  claim 1 , further comprising two connecting portions respectively connected between said side wings and said platform.  
   
   
       8 . The disk keeper as claimed in  claim 7 , wherein said connecting portions are made of a springy material.  
   
   
       9 . The disk keeper as claimed in  claim 1 , wherein said side wings each have a free end terminating in a top retaining rib.