Disk presser mechanism for use in magnetic recording and reprodu

Details Disk presser mechanism for use in magnetic recording and reprodu Disk presser mechanism for use in magnetic recording and reprodu

1987-07-24

1988-04-26

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 97, 3601303, 360105, G11B 5016, G11B 1702

Patent

active

047408529

ABSTRACT:
A disk presser mechanism in a magnetic recording and reproducing apparatus includes a rotatable turntable, a clamp member for clamping a disk on the turntable, a clamp arm supporting the clamp member and movable toward and away from the turntable, a drive lever operatively coupled to the clamp arm, an actuator cam for pressing the drive lever to move the clamp arm in a direction to cause the clamp member to clamp the disk on the turntable, a pad holder having a pad for confronting the disk, a spring member for urging the pad to be pressed against the disk, and an engaging portion acting between the drive lever and the pad holder for moving the pad holder away from the disk when the drive lever is released by the actuator cam to unclamp the disk.

REFERENCES:
patent: 4040107 (1977-08-01), Bryer
patent: 4089029 (1978-05-01), Castrodale
patent: 4246618 (1981-01-01), Bauer
patent: 4315289 (1982-02-01), Holecek et al.
patent: 4413294 (1983-11-01), Beijer
patent: 4541025 (1985-09-01), Sidlu et al.
patent: 4621295 (1986-11-01), Okamura
patent: 4630154 (1986-12-01), Slivaiski et al.
IBM Tech. Discl. Bull., vol. 20, No.10, Mar. 78, pp.4066-4068, "Low Profile Diskette Drive" by Neubauet.

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