June 30, 2009

An optical head, in which a spring stopper rib, as formed in a slide base, includes a post portion protruding from the upper face of the slide base, and a spring stopper portion for stopping a spring, and in which the spring receiving portion of an actuator has a recess formed for arranging the spring.

5

June 30, 2009

11/505,991

August 18, 2006

720/681  

G11B   7/09   (20060101)  

Aug 22, 2005 [JP] 2005-239564

720/681   720/682   720/683   720/684   720/685   720/686   720/687   369/44.14   369/15   369/16   369/17   369/18   369/19   369/20   369/21   369/22   369/23   369/24   369/25   369/26   369/27   369/28   369/29   369/30   369/31   369/32   369/33   369/34   369/35   369/36   369/37   369/38   369/39   369/40   369/41   369/42   369/43   369/44.24   369/44.32