Floppy disk drive with a linearly operated media clamp

Details Floppy disk drive with a linearly operated media clamp Floppy disk drive with a linearly operated media clamp

1987-05-15

1988-08-09

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 5016, G11B 582

Patent

active

047632127

ABSTRACT:
A floppy disk device includes a driving hub, a pressure cone engageable with the hub for holding a floppy disk therebetween, a leaf spring rotatably supporting the cone for pressing the cone against the hub, a cone lift arm and a door for closing or opening a slot for insertion or removal of the floppy disk. When an operator closes or opens the door, its movement is transmitted to the cone lift arm which either presses or releases the leaf spring depending upon whether the door is closed or opened. The provision of the cone lift arm as an intermediate member between the door and the leaf spring allows to produce various desirable effects. Another embodiment includes the provision of a pawl which allows to insure that the cone comes into engagement with the hub only when the floppy disk is properly aligned. A further embodiment includes the provision of a specially structured steel belt for use in transmitting driving power to a carriage carrying thereon a magnetic head for reading and writing information on the floppy disk.

REFERENCES:
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patent: 4170146 (1979-10-01), Owens
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patent: 4599666 (1986-07-01), Liu et al.
patent: 4602306 (1986-07-01), Noda

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