Magnetic tape cartridge and assembling method thereof

Details Magnetic tape cartridge and assembling method thereof Magnetic tape cartridge and assembling method thereof

2006-01-17

2006-01-17

Rivera, William A. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C360S132000

Reexamination Certificate

active

06986479

ABSTRACT:
A magnetic tape cartridge includes a cartridge case consisting of an upper half and lower half; a magnetic tape pulling-out port formed at a corner of side wall of the cartridge case, a curved door opening/closing the tape pulling-out port, a guide groove guiding the door to universally slide in its opening/closing directions, a door-side spring hooking portion protrusively provided with the door, a case-side spring hooking portion formed in an inner surface of the cartridge case, a tensile coil spring, of which one end of the coil spring is hooked in the door-side spring hooking portion and the other end of the coil spring is hooked in the case-side spring hooking portion, energizing the door to a closing position of the tape pulling-out port, and a spring putting platform provided neighboring the door-side spring hooking portion, and for receiving the tensile coil spring in a state in which the tensile coil spring is temporarily assembled on the door side spring hooking portion.

REFERENCES:
patent: 3861611 (1975-01-01), Esashi
patent: 4488191 (1984-12-01), Oishi et al.
patent: 6764037 (2004-07-01), Hancock et al.
patent: 2003/0094525 (2003-05-01), Hiraguchi
patent: 11-265560 (1999-09-01), None

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