发明名称 Magnetic tape cassette.
摘要 <p>A tape cassette comprises a cassette housing composed of an upper cassette part and a lower cassette part and which accommodates therein a pair of tape hubs around which a magnetic tape is wound, a slider slidably provided on the cassette housing so as to open and close a lower surface opening portion of the cassette housing, a slider lock portion provided on the lower cassette part to lock the slider at a predetermined position, an engagement aperture bored through the slider and which is engaged with the slider lock portion, and an inclined portion having a configuration tapered toward the cassette housing being formed on one end face of the engagement aperture bored through the slider which opposes the top of the slider lock portion of the lower cassette part. Further, a tape cassette comprises a cassette housing composed of an upper cassette part and a lower cassette part and which accommodates therein a pair of tape hubs around which a magnetic tape is wound, a slider slidably provided on the cassette housing so as to open and close a lower surface opening portion of the cassette housing, a slider lock portion provided on the lower cassette part to lock the slider at a predetermined position, an engagement aperture bored through the slider and which is engaged with the slider lock portion, a protruded pin projected from the upper cassette part in association with the slider lock portion, and a slider lock spring inserted into the protruded pin and interposed between the slider lock portion and the upper cassette part, the slider lock portion being spring-biased by the slider lock spring in the direction in which the slider lock portion is fitted into the engagement aperture, wherein at least one end portion of the slider lock spring is bent toward the inside of a coil winding portion to form a pin supporting portion which is wound around the protruded pin. &lt;IMAGE&gt;</p>
申请公布号 EP0540336(A2) 申请公布日期 1993.05.05
申请号 EP19920309928 申请日期 1992.10.29
申请人 SONY CORPORATION 发明人 SUGIYAMA, MASANOBU
分类号 G11B23/087 主分类号 G11B23/087
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