Storage case for tape cassette

Abstract

A storage case for a tape cassette, having a storage section for storing a magnetic tape cassette therein, a lid section having outer plates surrounding the storage section, a hinge plate section for connecting the lid section to the storage section so that the lid section can be opened and closed, an engagement portion formed on an outer side surface of an outer plate of the lid section, a locking plate base end portion formed at the edge of the storage section which is on the opposite side to the hinge plate section thereof, and a locking plate supported on the locking plate base end portion via a hinge portion and engageable with the engagement portion, wherein the locking plate base end portion is formed so that this base end portion is recessed from a position on the edge toward the side of the storage section.

1 . A storage case for a tape cassette, comprising: 
 a storage section that stores a magnetic tape cassette therein,    a lid section having outer plates surrounding the storage section,    a hinge plate section that connects the lid section to the storage section so that the lid section can be opened and closed,    an engagement portion on an outer surface of one of the outer plates of the lid section,    a locking plate base end portion at an edge portion of the storage section which is on an opposite side to the hinge plate section, the locking plate base end portion being recessed from other portions of the edge portion toward a side of the storage section and    a locking plate supported on the locking plate base end portion via a hinge portion and engageable with the engagement portion.    
     
     
         2 . The storage case according to  claim 1 , wherein the locking plate base end portion has a chamfered portion which is cut off so that a part of the locking plate base end portion is inclined at an angle in an upward direction.  
     
     
         3 . The storage case according to  claim 2 , wherein the angle is 45°.  
     
     
         4 . The storage case according to  claim 1 , wherein the locking plate base end portion has a stepped portion.  
     
     
         5 . The storage case according to  claim 4 , wherein the stepped portion comprises a horizontal portion and a vertical portion.  
     
     
         6 . The storage case according to  claim 5 , wherein the locking plate is connected to an end portion of the horizontal portion and the edge portion of the storage section is connected to an end portion of the vertical portion.  
     
     
         7 . The storage case according to  claim 1 , wherein the locking plate base end portion has a chamfered portion which is rounded off.  
     
     
         8 . The storage case according to  claim 1 , wherein the storage section comprises an engagement portion in an outer surface of at least one of circumferential plates, and the lid section comprises a locking plate in an inner surface of at least one of the outer plates which is engaged with the engagement portion of the storage section.  
     
     
         9 . A storage case for a tape cassette, comprising: 
 a storage section that stores a magnetic tape cassette therein,    a lid section having outer plates surrounding the storage section,    a hinge plate section that connects the lid section to the storage section so that the lid section can be opened and closed,    an engagement portion on an outer surface of one of the outer plates of the lid section,    a locking plate base end portion at an edge portion of the storage section which is on an opposite side to the hinge plate section, and    a locking plate supported on the locking plate base end portion via a hinge portion and engageable with the engagement portion,    wherein the locking plate base end portion is provided with at least one rib in contact with the one of the outer plates of the lid section when the locking plate is engaged with the engagement portion.    
     
     
         10 . The storage case according to  claim 9 , wherein the at least one rib contacts the one of the outer plates in a front end portion thereof.  
     
     
         11 . The storage case according to  claim 9 , wherein the at least one rib consists of a pair of ribs.  
     
     
         12 . The storage case according to  claim 9 , wherein a clearance is provided between the rib and an extension of the edge portion of the storage section.  
     
     
         13 . The storage case according to  claim 12 , wherein the clearance has a size of 0.2 mm to 1 mm.  
     
     
         14 . The storage case according to  claim 9 , wherein the locking plate base end portion is recessed from other portions of the edge portion toward a side of the storage section.  
     
     
         15 . The storage case according to  claim 14 , wherein the locking plate base end portion has a chamfered portion which is cut off so that a part of the locking plate base end portion is inclined at an angle in an upward direction.  
     
     
         16 . The storage case according to  claim 15 , wherein the angle is 45°.  
     
     
         17 . The storage case according to  claim 14 , wherein the locking plate base end portion has a stepped portion.  
     
     
         18 . The storage case according to  claim 17 , wherein the stepped portion comprises a horizontal portion and a vertical portion.  
     
     
         19 . The storage case according to  claim 18 , wherein the locking plate is connected to an end portion of the horizontal portion and the edge portion of the storage section is connected to an end portion of the vertical portion.  
     
     
         20 . The storage case according to  claim 1 , wherein the locking plate base end portion has a chamfered portion which is rounded off.