Patent ID: 6710971
Filing Date: 2004-03-23
Classification: G11B

Abstract:
An interpose lever for holding a removable tare cartridge in a tape drive, comprising:a movable base having a protrusion adapted to be engaged with a recess formed on said tape cartridge to inhibit said tape cartridge from being released; a release arm rotatably attached to said base for releasing engagement between said protrusion and said recess; urging means for urging said release arm in a predetermined rotating direction; and a shaft formed integrally with said base to serve as a rotation center member for said release arm; wherein said release arm comprises: a cylindrical portion fitted over said shaft, an arm portion extending radially outward from said cylindrical portion and adapted to be engaged with said tape cartridge upon releasing the engagement between said protrusion and said recess; and a semicylindrical portion extending along an outer periphery of said cylindrical portion to define a half ring groove between said cylindrical portion and said semicylindrical portion, wherein said urging means is located in said half ring groove.