Magnetic tape cassette with motion limiting fingers

In a tape cassette that includes a substantially rectangular housing having upper and lower housing sections of molded plastic construction, a pair of tape reels carried for rotation within said housing, a length of magnetic tape extending between said reels for recording and/or playback of information, an aperture in a sidewall of said housing for external access to said tape by a recording/playback apparatus, and a pair of apertures in a bottom wall of said housing aligned with said reels for external access to said reels by reel drive means of the recording/playback apparatus, the improvement in which said cassette further comprises motion-limiting means comprising a circular array of angularly spaced concentric discrete arcuate fingers integrally molded on each said section for opposed alignment with fingers on the opposing section to form a segmented cylindrical enclosure surrounding each said reel and radially spaced from each said reel so as to limit lateral motion of said reels and maintain alignment of said reels with said apertures in said bottom wall while permitting free rotation of said reels, wherein said motion-limiting means further comprises a plurality of arcuate wall segments integrally interconnecting the fingers of each said array, said wall segments having a radius of curvature identical to said fingers, and being of a height less than said fingers and positioned on the opposed sections for spaced opposed alignment to cooperate with said fingers to form said enclosure with a gap for permitting travel of said tape to and from the associated reel.