Magnetic tape cartridge
A technology for tape cassettes and magnetic tapes, which is applied to the structure of sliding doors and the field of augmented structure of sliding doors, can solve the problems of spring parts flying out, affecting assembly, falling into the upper and lower covers, etc., to prevent dust from invading the tape cassette. effect within
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[0112] Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings. figure 1 is an exploded perspective view of a magnetic tape cassette of one embodiment.
[0113] In the magnetic tape cassette 1, the single reel 4 formed by the combination of the lower reel 5 and the upper reel 6 by ultrasonic welding is wound with a magnetic tape 20, and the reel 4 is accommodated in the upper cover 2 and the lower cover 3 through screws. Installed in the cassette 7 formed together, and can rotate.
[0114] The lower reel 5 is a cylindrical reel core 23 with a magnetic tape 20 wound on its outer periphery, and a flange portion 24 extending radially from the lower end of the reel core 23 is made by integral molding of synthetic resin. A reel plate 8 is installed on the outer surface of the bottom of the reel core 23 to absorb the magnetic rotary drive mechanism for rotating the reel 4 . In addition, a braking gear 23A is engraved o...
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