发明名称 |
MAGNETIC RECORD DISK COVER |
摘要 |
In a magnetic recording system, the combination comprising a rotary magnetic record disk and a cover for containing the disk. The cover has its inner surfaces in frictional contact with the adjacent surfaces of the disk. Furthermore, the disk is rotatable while the cover is maintained stationary in the magnetic recording system. The cover includes means for cleaning the surface of the disk during rotation of the disk.
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申请公布号 |
US3668658(A) |
申请公布日期 |
1972.06.06 |
申请号 |
USD3668658 |
申请日期 |
1969.12.22 |
申请人 |
INTERN. BUSINESS MACHINES CORP. |
发明人 |
RALPH FLORES;HERBERT E. THOMPSON |
分类号 |
G11B3/68;G11B5/82;G11B23/033;G11B23/50;(IPC1-7):G11B5/82;G11B23/02;G11B25/04 |
主分类号 |
G11B3/68 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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