发明名称 |
Disc positioning device |
摘要 |
A disc positioning device for positioning a disc having a center opening with respect to a spindle for driving the disc for rotation by bringing the center axes thereof into alignment with each other. An adapter in the form of a hemispherical body of a diameter greater than that of the center opening of the disc is mounted on the spindle in such a manner that the center of a spherical body from which the hemispherical body of the adapter is severed coincides with the center axis of the spindle at all times. The adapter is urged by a spring to be biased with the center thereof serving as the center of rotation.
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申请公布号 |
US4497003(A) |
申请公布日期 |
1985.01.29 |
申请号 |
US19820386277 |
申请日期 |
1982.06.08 |
申请人 |
HITACHI, LTD. |
发明人 |
ABE, MASAYUKI;IKOMA, JUNICHI;ABIKO, KENZI |
分类号 |
G11B17/028;(IPC1-7):G11B5/012;G11B5/82;B65D85/30 |
主分类号 |
G11B17/028 |
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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