公开(公告)号：JPH02214076A

公开(公告)日：1990-08-27

申请号：JP3259889

申请日：1989-02-14

Applicant: IBM JAPAN

Inventor： KITABORI HIRONORI ,  KOMATSUZAKI TOSHIAKI ,  MASUDA YOSHIMI

IPC: G11B21/12 ,  G11B19/20 ,  G11B21/22

Abstract: PURPOSE:To hold a head at a landing area by fixing a magnetic material so as to function on an area with strong leakage magnetic flux as moving the head from the data recording area of a disk to the landing area. CONSTITUTION:The head 30 is mounted at one end of an actuator 32, and the actuator 32 is mounted at a base via a shaft 36 in such a way that it can be turned via a shaft 34. And the actuator 32 is turned with respect to the prescribed shaft 34 so as to move the head 30 from the data recording area 22 of the disk 16 to the landing area 26. According to the above action, the magnetic material 90 fixed at the actuator 32 is located at a position where it is moved to the areas 56 and 58 with strong leakage magnetic flux of a magnet. Then, the magnetic material 90 is fixed at a prescribed position on a disk 16 side between the shaft 34 of the actuator 32 and an end part on an opposite side, then, is held at the area 26.

公开(公告)号：JPH02226564A

公开(公告)日：1990-09-10

申请号：JP4549689

申请日：1989-02-28

Applicant: IBM JAPAN

Inventor： KUBO MASAKAZU ,  MASUDA YOSHIMI ,  NAKAGAWA YUZO

IPC: G11B19/20 ,  G11B21/22

Abstract: PURPOSE:To separate a lock member without increasing the thickness and weight of a disk device by increasing the rotating speed of a disk driving motor for a prescribed time after a power source is applied, and releasing the lock of an actuator by increasing an air flow force by the rotation of a disk. CONSTITUTION:A magnetic hard disk 16 is turned at speed higher than that in a write or readout operation by a microprocessor, etc., provided with a timer means, etc., for the prescribed time after the power source is applied. Thereby, the air flow force A functioning on a wing 70 can be increased compared with a bias force B applied on the wing 70 interlocking with the lock member 68 and placing a head 30 in a landing area 26 by locking the actuator 32. And the member 68 is separated via the wing 70, and the lock of the actuator 32 by the member 68 is released, and the head 30 can be moved to a data recording area 22, thereby, the separation of the lock member can be performed without increasing the thickness and the weight of the disk device.