| 摘要 |
In a recording medium loading device which permits a package containing a recording medium to be loaded removably into the body of the device, the package have a guide groove extending in a direction of insertion into the device body and a lock groove contiguous to the guide groove and formed in a concave shape in a direction intersecting the direction of insertion. In a package loading area of the device body are provided a lock projection adapted to engage the lock groove to lock the package at a loaded position, an urging member for urging the lock projection in a direction of engagement with the lock groove, a restriction member which, when the package is inserted into the device body, restricts the lock projection positioned in the guide groove so as not to undergo an urging force of the urging member, and a release member which moves in interlock with the insertion of the package. The restriction member is operated by the release member upon or just before complete loading of the package into the package loading area to release the restriction imposed on the lock projection by the restriction member, allowing the lock projection to become engageable in the lock groove with the urging force of the urging member.
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