Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent
1991-01-29
1992-09-22
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Head
Head accessory
G11B 541
Patent
active
051502682
ABSTRACT:
A head cleaning device for cleaning the read/write head of a disk-type data storage unit such as a floppy disk or diskette drive. The head cleaning device includes a cleaning disk for wiping the read/write head, and a jacket for storing the cleaning disk therein. The jacket has an opening for allowing the cleaning disk to contact the read/write head therethrough. The head cleaning device also has a mechanism for drivingly connecting the spindle of the data storage unit to the cleaning disk. The mechanism comprises a planetary gear mechanism having an eccentric sun gear disposed on a hub rotatably supported in the jacket, a ring gear coupled to the cleaning disk, a plurality of planet gears each meshing with the sun gear and the ring gear, and a member for preventing the planet gears from revolving around the sun gear. During operation, the cleaning disk rotates and wobbles radially while slidably contacting the read/write head so that the read/write head is wiped by the cleaning disk in a wide region thereof in varying directions.
REFERENCES:
patent: 4663686 (1987-05-01), Freeman
patent: 4843511 (1989-06-01), Downey
patent: 4916564 (1990-04-01), Fritsch
Abe Nobuaki
Kurosawa Yuichi
Asahi Kogaku Kogyo Kabushiki Kaisha
Heinz A. J.
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