Cartridge

Abstract

The invention provides a disc cartridge for a changer having a compact size and a high strength. In a disc cartridge accommodating a plurality of disc trays within an opening portion and structured such that each of disc trays is held by guide ribs formed in an inner side surface of a cartridge case, the cartridge case is constituted by an upper case, a lower case and right and left side plates having guide ribs. The respective members are integrally connected in accordance with a fitting operation utilizing a fitting means formed between the upper case and the right and left side plates and between the lower case and the right and left side plates, in an opening portion side than a center portion of the cartridge case. The respective members are integrally connected in accordance with a thread fastening, in a depth side than the center portion of the cartridge case.

1 . A cartridge comprising: 
 a cartridge case having an opening portion;    a plurality of trays accommodated within said cartridge case so as to freely come in and out through said opening portion; and    guide ribs formed in an inner side surface of said cartridge case in parallel to each other at a predetermined pitch,    wherein said cartridge case is constituted by an upper case, a lower case and right and left side plates having said guide ribs, and    wherein the cartridge is provided with a fitting portion integrally connecting said respective members in an upper portion and a lower portion of an accommodating area of said tray, in accordance with a fitting operation utilizing a fitting means formed between said upper case and upper ends of said right and left side plates, and between said lower case and lower ends of said right and left side plates, in a portion closer to the opening portion than a center portion of said cartridge.    
   
   
       2 . A cartridge comprising: 
 a cartridge case having an opening portion;    a plurality of trays accommodated within said cartridge case so as to freely come in and out through said opening portion; and    guide ribs formed in an inner side surface of said cartridge case in parallel to each other at a predetermined pitch,    wherein said cartridge case is constituted by an upper case, a lower case and right and left side plates having said guide ribs, and    wherein said upper case has a top plate constituting an upper face of said cartridge case, said lower case has a bottom plate constituting a lower surface of said cartridge case, a top plate side fitting means having a thinner thickness than a thickness of said top plate is formed in end surfaces in both right and left sides of said top plate, a bottom plate side fitting means having a thinner thickness than a thickness of said bottom plate is formed in end surfaces in both right and left sides of said bottom plate, and a side plate side fitting means fitting to said top plate side fitting means and said bottom plate side fitting means is formed predetermined portions of said right and left side plates, and said upper case, said lower case and said right and left side plates are integrally connected in accordance with a slide fitting.    
   
   
       3 . A cartridge comprising: 
 a cartridge case having an opening portion;    a plurality of trays accommodated within said cartridge case so as to freely come in and out through said opening portion; and    guide ribs formed in an inner side surface of said cartridge case in parallel to each other at a predetermined pitch,    wherein said cartridge case is constituted by an upper case, a lower case and right and left side plates having said guide ribs,    wherein the cartridge is provided with a fitting portion integrally connecting said respective members in an upper portion and a lower portion of an accommodating area of said tray, in accordance with a fitting operation utilizing a fitting means formed between said upper case and upper ends of said right and left side plates, and between said lower case and lower ends of said right and left side plates, in a portion closer to the opening portion than a center portion of said cartridge, and    wherein said side plates fix the upper case and the lower case in accordance with a thread fastening in a depth side than the center portion of said cartridge case.    
   
   
       4 . A cartridge comprising: 
 a cartridge case having an opening portion;    a plurality of trays accommodated within said cartridge case so as to freely come in and out through said opening portion; and    guide ribs formed in an inner side surface of said cartridge case in parallel to each other at a predetermined pitch,    wherein said cartridge case is constituted by an upper case, a lower case and right and left side plates having said guide ribs,    wherein said upper case has a top plate constituting an upper face of said cartridge case, said lower case has a bottom plate constituting a lower surface of said cartridge case, a top plate side fitting means having a thinner thickness than a thickness of said top plate is formed in end surfaces in both right and left sides of said top plate, a bottom plate side fitting means having a thinner thickness than a thickness of said bottom plate is formed in end surfaces in both right and left sides of said bottom plate, and a side plate side fitting means fitting to said top plate side fitting means and said bottom plate side fitting means is formed predetermined portions of said right and left side plates, and said upper case, said lower case and said right and left side plates are integrally connected in accordance with a slide fitting, and    wherein said side plates fix the upper case and the lower case in accordance with a thread fastening in a depth side than the center portion of said cartridge case.    
   
   
       5 . A cartridge comprising: 
 a cartridge case having an opening portion;    a plurality of trays accommodated within said cartridge case so as to freely come in and out through said opening portion; and    guide ribs formed in an inner side surface of said cartridge case in parallel to each other at a predetermined pitch,    wherein said cartridge case is constituted by an upper case, a lower case and right and left side plates having said guide ribs,    wherein the cartridge is provided with a fitting portion integrally connecting said respective members in an upper portion and a lower portion of an accommodating area of said tray, in accordance with a fitting operation utilizing a fitting means formed between said upper case and upper ends of said right and left side plates, and between said lower case and lower ends of said right and left side plates, in a portion closer to the opening portion than a center portion of said cartridge, and    wherein said side plates are fitted to the upper case and the lower case by the fitting means of said side plates, are fitted to the projection portions within the case, and fix in accordance with a thread fastening from any one of the upper and lower cases, in a depth side than the center portion of said cartridge case.    
   
   
       6 . A cartridge comprising: 
 a cartridge case having an opening portion;    a plurality of trays accommodated within said cartridge case so as to freely come in and out through said opening portion; and    guide ribs formed in an inner side surface of said cartridge case in parallel to each other at a predetermined pitch,    wherein said cartridge case is constituted by an upper case, a lower case and right and left side plates having said guide ribs,    wherein said upper case has a top plate constituting an upper face of said cartridge case, said lower case has a bottom plate constituting a lower surface of said cartridge case, a top plate side fitting means having a thinner thickness than a thickness of said top plate is formed in end surfaces in both right and left sides of said top plate, a bottom plate side fitting means having a thinner thickness than a thickness of said bottom plate is formed in end surfaces in both right and left sides of said bottom plate, and a side plate side fitting means fitting to said top plate side fitting means and said bottom plate side fitting means is formed predetermined portions of said right and left side plates, and said upper case, said lower case and said right and left side plates are integrally connected in accordance with a slide fitting, and    wherein said side plates are fitted to the upper case and the lower case by the fitting means of said side plates, are fitted to the projection portions within the case, and fix in accordance with a thread fastening from any one of the upper and lower cases, in a depth side than the center portion of said cartridge case.    
   
   
       7 . A cartridge as claimed in any one of  claims 1  to  6 , wherein said cartridge case is integrally formed in a state in which the upper case and the lower case are connected.  
   
   
       8 . A cartridge as claimed in any one of  claims 1  to  6 , wherein a shutter opening and closing said opening portion is provided in a front end portion of said cartridge case.  
   
   
       9 . A cartridge as claimed in any one of  claims 1  to  6 , wherein said cartridge case is integrally formed in a state in which the upper case and the lower case are connected, and a shutter opening and closing said opening portion is provided in a front end portion of said cartridge case.  
   
   
       10 . A cartridge as claimed in any one of  claims 1  to  6 , wherein said tray holds an information recording medium.  
   
   
       11 . A cartridge as claimed in any one of  claims 1  to  6 , wherein an information recording medium is held in place of said tray by said side plate.  
   
   
       12 . A cartridge as claimed in any one of  claims 1  to  6 , wherein said cartridge case is integrally formed in a state in which the upper case and the lower case are connected, and said tray holds an information recording medium.  
   
   
       13 . A cartridge as claimed in any one of claims  1  to  6 , wherein said cartridge case is integrally formed in a state in which the upper case and the lower case are connected, and an information recording medium is held in place of said tray by said side plate.  
   
   
       14 . A cartridge as claimed in any one of  claims 1  to  6 , wherein a shutter opening and closing said opening portion is provided in a front end portion of said cartridge case, and said tray holds an information recording medium.  
   
   
       15 . A cartridge as claimed in any one of  claims 1  to  6 , wherein a shutter opening and closing said opening portion is provided in a front end portion of said cartridge case, and an information recording medium is held in place of said tray by said side plate.  
   
   
       16 . A cartridge as claimed in any one of  claims 1  to  6 , wherein a shutter opening and closing said opening portion is provided in a front end portion of said cartridge case, said cartridge case is integrally formed in a state in which the upper case and the lower case are connected, and said tray holds an information recording medium.  
   
   
       17 . A cartridge as claimed in any one of  claims 1  to  6 , wherein a shutter opening and closing said opening portion is provided in a front end portion of said cartridge case, said cartridge case is integrally formed in a state in which the upper case and the lower case are connected, and an information recording medium is held in place of said tray by said side plate.