Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1998-03-13
2000-03-28
Klimowicz, William
Dynamic magnetic information storage or retrieval
Record medium
In container
2643281, G11B 23087
Patent
active
060439629
ABSTRACT:
A tape cassette housing a cassette main body unit a pair of tape reels. The cassette main body unit is made up of an upper cassette half and a lower cassette half, and a tape-shaped recording medium is placed between the tape reels. A frame unit is provided of a synthetic resin having an integrally formed design statement detection unit or a loading reference used for loading the tape cassette on a recording and/or reproducing apparatus. The frame unit also has, as an aperture, a portion registering with a tape reel rotation area on its bottom side, and a metallic plate integrated into the aperture for forming a portion of the tape reel rotation area on the bottom of the frame unit. The metallic plate has a pair of reel bearing holes into which is intruded the tape driving unit. The metallic plate is integrated by insertion molding into the aperture of the frame unit. The main body unit of the tape cassette is made up of the frame unit of synthetic resin and the metallic plate for realizing sufficient mechanical strength against warping or distortion and maintaining the overall weight of the tape cassette.
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Abe Masanori
Ozawa Kazuo
Kananen Ronald P.
Klimowicz William
Sony Corporation
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