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： US164007申请日： 1980-06-30
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公开(公告)号： US4349166A公开(公告)日： 1982-09-14
- 发明人: Kimio Tanaka , Toshihiko Ishida
- 申请人： Kimio Tanaka , Toshihiko Ishida
- 申请人地址： JPX Tokyo
- 专利权人： TDK Electronics Co., Ltd.
- 当前专利权人： TDK Electronics Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX54/97968[U] 19790717
- 主分类号： G11B23/087
- IPC分类号： G11B23/087 ; G03B1/04 ; G11B15/32 ; G11B23/04
摘要：
A magnetic tape cassette comprises an upper half casing and a lower half casing provided with a screw holder having a threaded hole at the corner of the lower half casing for connecting said upper half casing, wherein the thickness of the wall of the screw holder facing inside the casing is reduced and at least one rib having a level flush with the fitting surface of the lower half casing is formed at the inside portion of the screw holder.
公开/授权文献
- USD316821S Clock 公开/授权日：1991-05-14
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