Head loading mechanism for a disk drive

Details Head loading mechanism for a disk drive Head loading mechanism for a disk drive

G - Physics

11

B

G11B 17/022 (2006.01) G11B 21/16 (2006.01) G11B 21/22 (2006.01) G11B 25/04 (2006.01)

Patent

CA 2220304

A head loading mechanism (10) for a removable cartridge disk drive comprises a support base (32) fixedly mounted in the drive, and a movable member (12) movably attached to the support base (32) via a pair of elongate flexures (28, 30). The movable member (12) has a ramped surface (14a, 14b, 16a, 16b) adapted to engage a suspension arm (52, 54) at the distal end of an actuator (41). A read/write head (56, 58) is mounted on the suspension arm (52, 54). The movable member (12) moves upon the flexures (28, 30) in tandem with the actuator (41) as it moves toward and away from the edge of a disk (62, 64) in the drive. The movable member (12) carries the suspension arm (52, 54) of the actuator (41) to the edge of the disk (62, 64), at which point the suspension arm (52, 54) can ride up and down the ramped surface (14a, 14b, 16a, 16b) of the movable member (12) in order to load the read/write head (56, 58) onto the surface of the disk (62, 64) and then subsequently unload the read/write head (56, 58).

Mécanisme de chargement de tête (10) conçu pour une unité de disques à cartouche amovible et comprenant une base de support (32) montée fixe dans l'unité, ainsi qu'un élément mobile (12) fixé mobile à la base de support (32) par l'intermédiaire d'une paire d'éléments flexibles allongés (28, 30). L'élément mobile (12) possède une surface en déclivité (14a, 14b, 16a, 16b) conçue pour venir en contact avec un bras de suspension (52, 54) au niveau de l'extrémité distale d'un organe de commande (41). Une tête de lecture/écriture (56, 58) est montée sur le bras de suspension (52, 54). L'élément mobile (12) se déplace sur les éléments flexibles (28, 30) en tandem avec l'organe de commande (41) simultanément à son rapprochement et à son éloignement du bord d'un disque (62, 64) dans l'unité de disques. L'élément mobile (12) porte le bras de suspension (52, 54) de l'organe de commande (41) vers le bord du disque (62, 64) et, au niveau de ce point, le bras de suspension (52, 54) peut monter et descendre le long de la surface en déclivité (14a, 14b, 16a, 16b) de l'élément mobile (12) afin de charger la tête de lecture/écriture (56, 58) sur la surface du disque (62, 64) et, ensuite, de la décharger.

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