Patent ID: 6912720
Filing Date: 2005-06-28
Classification: G11B

Abstract:
1. A disk device comprising: a main cam plate which is rotated by a driving means; a sub cam plate which is rotatably supported on the same axis as said main cam plate and a precut portion is made on a circumference thereof; an engaging means which makes said main cam plate and said sub cam plate engaged with each other; a lever which rotates with a rotating movement of said sub cam plate when said main cam plate and said sub cam plate are engaged together by said engaging means; and a locking plate which makes a protruding portion inserted into the precut portion on said sub cam plate to release engaging state of the engaging means when the sub cam plate stops at a predetermined rotated position, characterized by that the precut portion of said sub cam plate and the protruding portion of said locking plate are made in a slanted shape and at the same time said sub cam plate is rotated by a pressure when said protruding portion is inserted into said precut portion.