发明授权
- 专利标题： Magnetic tape cassette
- 专利标题（中）： 磁带盒
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申请号： US589313申请日： 1984-03-14
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公开(公告)号： US4781340A公开(公告)日： 1988-11-01
- 发明人: Haruo Shiba , Masatoshi Okamura , Makoto Saito
- 申请人： Haruo Shiba , Masatoshi Okamura , Makoto Saito
- 申请人地址： JPX Tokyo
- 专利权人： TDK Corporation
- 当前专利权人： TDK Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX58-43372[U] 19830328
- 主分类号： G11B23/087
- IPC分类号： G11B23/087 ; G03B1/04 ; G11B15/32 ; G11B23/08
摘要：
A magnetic tape cassette has a pair of tape reels contained in a lower casing in a rotatable manner and a leaf spring fixed to an upper casing to press down at the free end portions central projections of the tape reels, wherein the leaf spring is formed to have a substantially arcuate central portion and linear free end portions under non-loading condition, the free end portions being respectively in contact with the top of the central projection.
公开/授权文献
- US5672408A Duplicate copies from a printer or copier 公开/授权日：1997-09-30
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