Disc positioning device
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United States of America Patent
Stats
-
Jan 29, 1985
Grant Date -
N/A
app pub date -
Jun 8, 1982
filing date -
Jun 10, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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