Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1987-09-17

1989-07-25

Werner, David

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242199, D14121, G11B 2300

Patent

active

048505471

ABSTRACT:
In a magnetic tape cassette comprising an upper half housing section with a see-through window, a lower half housing section, a pair of hubs on which a length of magnetic tape is wound and which are rotatably fitted in between the two half housing sections, and a stopper located between one edge of the tape wound on the hubs and the upper half housing section and having pawls engageable with given points of the hubs, the stopper has a flap portion slidable along the inner side of the see-through window and which is exposed when the pawls are engaged with the hubs. The stopper is slidable perpendicularly to the axes of rotation of the hubs. It is colored as classified by the grade, use, or type of the magnetic tape involved. Its exposed area visible through the see-through window is at a maximum when the stopper is engaged with the hubs.

REFERENCES:
patent: D262877 (1982-02-01), Yoshizawa
patent: 3622102 (1971-11-01), Fox
patent: 4757958 (1988-07-01), Elliot et al.

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