Patent ID: 8369042
Filing Date: 2013-02-05
Classification: G11B,Y10T

Abstract:
1. A cartridge misinsertion preventing mechanism provided to cells of a magnetic tape library device which comprises: a housing space for housing, by aligning directions, a plurality of magnetic tape cartridges in series each comprising a tapered face which is formed at a corner part formed by one side-face adjacent to an insertion-side end face, another one side-face adjacent to the insertion-side end face and the one-side face, and the insertion-side end face by a face oblique to the insertion-side end face and the one side-face and orthogonal to the another one side-face and is connected to the insertion-side end face, the one side-face, and the another one side-face in width less than thickness of the another one side-face in a normal direction; and an insertion/extraction port for inserting and extracting the plurality of magnetic tape cartridges, the cartridge misinsertion preventing mechanism comprising: a first entry preventing nail capable of advancing and retreating to/from the housing space from an inner wall of the housing space corresponding to the one side-face of the magnetic tape cartridge at a position that is slightly closer to the insertion/extraction port than an insertion completed position of the insertion-side end face of the magnetic tape cartridge to be inserted first and where an isolated distance from the another one side-face of the magnetic tape cartridge in a housed state in a normal direction is greater than the width of the tapered face; a second entry preventing nail capable of advancing and retreating to/from the housing space from the inner wall of the housing space corresponding to the one side-face of the magnetic tape cartridge at a position that is closer to the insertion/extraction port with a space slightly longer than length of the magnetic tape cartridge in an insertion/extraction direction of the magnetic tape cartridge provided from the first entry preventing nail and where the isolated distance from the another one side-face of the magnetic tape cartridge in a housed state in the normal direction is within the width of the tapered face; a linkage module which is connected to the first and second entry preventing nails and allows advancing and retreating actions of the first and second entry preventing nails to/from the housing space in a tradeoff relation; and a linkage energizing module which steadily energizes the linkage module to a direction along which the first entry preventing nail retreats from the housing space and the second entry preventing nail enters inside the housing space.