Patent ID: 7032284
Filing Date: 2006-04-25
Classification: G11B,Y10T

Abstract:
1. An assembling method of a tape cartridge which is equipped with a cartridge case consisting of an upper half and lower half, a tape pulling-out port formed at a corner of a side wall of said cartridge case, a door with a curved shape opening/closing said tape pulling-out port, a guide groove guiding said door to universally slide in the door's opening/closing directions, a door-side spring hooking portion provided with said door, a case-side spring hooking portion provided in an inner surface of said cartridge case, and a tensile coil spring of which one end is attached to said door-side spring hooking portion and the other end is attached to said case-side spring hooking portion with always energizing said door in the door's closing direction, the method comprising the steps of: a spring holding step holding said door and said tensile coil spring with a component holding jig provided on a transport pallet in advance in a state in which said tensile coil spring is hooked in said door-side spring hooking portion; a spring engaging step gripping a part of said door with a robot hand of an assembling apparatus, and engaging the other end of said tensile coil spring in a spring engaging portion of the assembling apparatus; a spring elongating step moving said door in a closing direction, elongating said tensile coil spring, and making a state in which said tensile coil spring can be attached to said case-side spring hooking portion as it is when fitting said door in a closing position of said guide groove; and a spring attaching step fitting the door gripped with said robot hand in the closing position of said guide groove, and attaching the other end of said tensile coil spring engaged in said spring engaging portion to said case-side spring hooking portion.