JPS62124680U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a bottom perspective view of an example of a tape cassette according to the present invention, Fig. 2 is an exploded perspective view of the tape cassette, Fig. 3 is a sectional view of the main parts of the slider, and Fig. 4 is a perspective view of a conventional tape cassette. , FIG. 5 is an exploded perspective view of the lower half and slider in the tape cassette of FIG. 4. In the figure, 1 is a cassette case, 2 is an upper half, 3 is a lower half, 3a is a recess, 5a, 5b are reel shaft insertion holes, 6 is a magnetic tape, 8 is a front cover, 9 is a slider, 21 is a shaft pin, 22 is a hook portion, 23 is a projection portion, and 24 is a torsion spring.

Claims (1)

[Scope of claim for utility model registration] An opening and a guide insertion part are provided in the front part,
a cassette cassette housing a pair of reel hubs with a reel shaft insertion hole provided on the lower surface side and wound with magnetic tape therein; a rotatable front cover for opening and closing the opening; the guide insertion part; In a tape cassette comprising a slider that is slidable in the front and back direction for opening and closing the reel shaft insertion hole, a torsion spring that slides and biases the slider in one direction with respect to the cassette casing is provided protruding from the slider. The torsion spring is pivotally supported by an axle pin, and one end side of the torsion spring is engaged with a hook part arranged in parallel with the axle pin, and the hook part and the torsion spring are connected to a protruding part located near the hook part. A tape cassette, characterized in that the torsion spring is engaged from opposite sides, and the other end of the torsion spring is engaged with the cassette cassette.