Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specific detail of storage medium support or motion production
Patent
1982-04-30
1984-12-18
Stephan, Steven L.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Specific detail of storage medium support or motion production
369292, G11B 362, G11B 1700
Patent
active
044894104
ABSTRACT:
An apparatus for installing a disk having a through hole formed in the center thereof, which comprises a rotatable shaft, a disk support which is fixed to the rotatable shaft and has a supporting surface for supporting the one side of the disk, and a disk holder which is detachably fitted to the rotatable shaft and presses the disk on its other side toward the supporting surface, thereby to cause the disk to be fixed between the disk holder and the disk support. The disk holder includes a holder body which is provided to be fitted onto the rotatable shaft and movable along the rotatable shaft, a pressure assembly which is disposed on the holder body to exert the disk on its other side an elastic pressure against the supporting surface, and a slip preventive mechanism for preventing the holder body from the rotatable shaft by engaging the holder body with the rotatable shaft through the fitting of the holder body onto the rotatable shaft.
REFERENCES:
patent: 3609722 (1971-09-01), Zenzefilis
patent: 4340955 (1982-07-01), Elliott
Tago Yoshiaki
Yamaguchi Ryoji
Stephan Steven L.
Tokyo Shibaura Denki Kabushiki Kaisha
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