JPS6336981U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第３図は本考案の一実施例を示すも
ので、第１図はスプリングと前蓋の回動支軸の斜
視図、第２図は上ハーフを内面側から見た要部の
断面底面図、第３図は第２図の―断面図、第
４図は回動支軸に形成される凹部の別実施例を示
す断面図、第５図及び第６図は従来例を示し、第
５図は磁気テープカセツトの底面図、第６図は第
５図の―断面図である。 １……カセツト本体、２……上ハーフ、３……
下ハーフ、４……カセツト本体、５……磁気テー
プ、６……供給リール、７……巻取リール、８…
…前蓋、１５……回動支軸、１６……スプリング
、１６ａ……固定端、１６ｂ……先端、１６ｃ…
…スプリング部、１７……スリツト、１８，２２
……凹部。 Figures 1 to 3 show an embodiment of the present invention, with Figure 1 being a perspective view of the spring and front cover pivot shaft, and Figure 2 being the main part of the upper half viewed from the inside. FIG. 3 is a cross-sectional view of FIG. 2, FIG. 4 is a cross-sectional view showing another embodiment of the recess formed in the pivot shaft, and FIGS. 5 and 6 show the conventional example. FIG. 5 is a bottom view of the magnetic tape cassette, and FIG. 6 is a sectional view taken along the line shown in FIG. 1...Cassette body, 2...Upper half, 3...
Lower half, 4...Cassette body, 5...Magnetic tape, 6...Supply reel, 7...Take-up reel, 8...
...Front lid, 15...Rotation shaft, 16...Spring, 16a...Fixed end, 16b...Tip, 16c...
...Spring part, 17...Slit, 18, 22
...Concavity.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上ハーフと下ハーフとからなるカセツト本体に
収納された巻回リールからカセツト本体の前面に
繰り出される磁気テープを覆う前蓋を上ハーフに
開閉可能に軸支し、該前蓋の回動支軸に前蓋を常
時閉方向に付勢するスプリングを設けた磁気テー
プカセツトにおいて、前記スプリングは、回動支
軸に係止される固定端と、この固定端から延出す
る自由端に形成されるループ状のスプリング部と
を有し、前記回動支軸には、前記スプリングの固
定端が挿通される軸方向のスリツトを設けるとと
もに該スリツトに固定端を嵌合する凹部を形成し
たことを特徴とする磁気テープカセツト。 A front cover that covers a magnetic tape that is fed out to the front of the cassette body from a winding reel housed in a cassette body consisting of an upper half and a lower half is pivotally supported on the upper half so that it can be opened and closed. In the magnetic tape cassette, the spring is provided with a spring that always biases the front cover in the closing direction, and the spring is formed at a fixed end that is latched to the pivot shaft and a free end that extends from the fixed end. and a loop-shaped spring portion, and the rotation support shaft is provided with an axial slit through which the fixed end of the spring is inserted, and a recess into which the fixed end is fitted. magnetic tape cassette.