Abstract: A method for disengaging a cartridge picker from a data cartridge includes moving a thumb assembly in the cartridge picker in a first direction to insert the data cartridge in a cartridge receiving device, then moving the cartridge picker in a second direction, the second direction being substantially perpendicular to the first direction, until a finger pivotally mounted to the thumb assembly is withdrawn from a notch in the data cartridge.

Abstract: A cartridge picker for selectively engaging and disengaging a cartridge may comprise a thumb assembly mounted to the cartridge picker so that the thumb assembly is moveable along a first displacement path between an extended position and a retracted position. An automatically splaying picker finger having an engagement end and a mounting end is mounted to the thumb assembly at the mounting end and is moveable between a retracted position and a splayed position, so that the finger moves into the splayed position when the engagement end is moved against a cartridge. A cartridge picker positioning system is operatively associated with the cartridge picker to move the cartridge picker between a first position and a second position along a second displacement path that is substantially perpendicular to the first displacement path. The finger disengages the cartridge when the thumb assembly is in the extended position and the cartridge picker is moved to the second position.