Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1996-08-06
1998-04-07
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9908, 360 9912, G11B 1702
Patent
active
057371490
ABSTRACT:
A floppy disk drive having a drive lever for driving a floppy disk. The drive lever is made from a low-cost metal plate and is elastically supported by a coil spring, thereby reducing the manufacturing cost. The drive lever has an arcuate shape which is bent inwardly in such a manner that an outward force of the drive lever is increased, thereby reducing friction and abrasion of the driving pin. The floppy disk drive has a rotor case of a driving motor, and a drive lever disposed at an inner bottom portion of the rotor case. The drive lever has a first end at which the driving pin protrudes through an opening in the rotor case, and a second opposite end which is secured to the case by a screw surrounded by the coil spring. Due to the coil spring, the drive lever offers elastic resistance when the driving pin is engaged in an engagement hole of a floppy disk hub. The drive lever is straight or has an arcuate shape which is bent inwardly.
REFERENCES:
patent: 4825314 (1989-04-01), Maekawa et al.
patent: 4855850 (1989-08-01), Nagaoka et al.
patent: 4989107 (1991-01-01), Tsukahara
Samsung Electro-Mechanics Co. Ltd.
Wolff John H.
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