Disk clamp positioning apparatus for information storage disk dr

Details Disk clamp positioning apparatus for information storage disk dr Disk clamp positioning apparatus for information storage disk dr

1989-03-28

1991-10-01

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9909, 360 9912, 369270, G11B 1704, G11B 1702

Patent

active

050539035

ABSTRACT:
In an optical or magneto-optical disk drive system adapted to receive a shuttered disk cartridge, interference between the disk clamp and the shutter during cartridge insertion is obviated by securing the clamp onto a sliding mount plate which is normally biased to hold the clamp in a rearward position displaced from its normal operating position in alignment with the disk spindle-drive. A drive cam engaged by the leading edge of the cartridge during insertion is drivingly coupled to the mount plate by a double rack and pinion arrangement to drive the mount plate forward into normal operating position after the cartridge shutter is opened. To assure that the clamp is firmly positioned in alignment with the disk spindle-drive, the pinion is compliantly mounted to allow slight overtravel of the drive cam after the clamp mount is arrested by the precision stop thus exerting a forward bias force to the amount plate which holds the clamp mount firmly in place.

REFERENCES:
patent: 4340952 (1982-07-01), Ikedo
patent: 4351046 (1982-09-01), Elliott
patent: 4470136 (1984-09-01), Takahashi et al.
patent: 4539671 (1985-09-01), Higashihara
patent: 4564930 (1986-01-01), Funabashi et al.
patent: 4654840 (1987-03-01), Takahashi
patent: 4730300 (1988-03-01), Kamoshita et al.
patent: 4745500 (1988-05-01), Davis

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