JPS6035381U

JPS6035381U - magnetic tape cassette

Info

Publication number: JPS6035381U
Application number: JP12635083U
Authority: JP
Inventors: 健吾大石; 収鈴木
Original assignee: 富士写真フイルム株式会社
Priority date: 1983-08-15
Filing date: 1983-08-15
Publication date: 1985-03-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案に係る磁気テープカセットの一実施例を
示す外観斜視図、第２図は第１図の矢視Ａ−Ａにおける
断面図、第３図は第２図に示す巻回ハブの詳細を拡大し
て示す一部破断斜視図、第４図は第３図に示す巻回ハブ
をテープレコーダに装着した状態を示す縦断面図である
。２ａ、２ｂ・・・巻回ハブ、２ｃ・・・外筒部、２ｄ・
・・リブ、２ｅ・・・内筒部、２ｆ・・・溝部、２ｇ・
・・穴、８・・・テープ、１９−・・・ハブ駆動用回転
軸、２０・・・駆動用突片、２１・・・リール台座。２ｃ１，１４３６Ｍ″６．５．、；　Ｙ３ｂ　　６　２゜６ｂ第４図Ｊ　　　　　　　ｌ、＝八FIG. 1 is an external perspective view showing an embodiment of a magnetic tape cassette according to the present invention, FIG. 2 is a sectional view taken along arrow A-A in FIG. 1, and FIG. 3 is a winding hub shown in FIG. 2. FIG. 4 is a partially cutaway perspective view showing an enlarged detail of the winding hub shown in FIG. 3, and a longitudinal cross-sectional view showing the state in which the winding hub shown in FIG. 2a, 2b... winding hub, 2c... outer cylinder part, 2d...
...Rib, 2e...Inner cylinder part, 2f...Groove part, 2g.
... Hole, 8 ... Tape, 19 ... Rotating shaft for driving hub, 20 ... Protrusion for driving, 21 ... Reel pedestal. 2c1,1 436M″6.5.,; Y3b 6 2゜6b Fig. 4 J l,=8

Claims

[Scope of utility model registration request]

In a magnetic tape cassette consisting of a pair of magnetic tape winding hubs, a magnetic tape wound around the winding hubs, and a cassette case storing the magnetic tape wound around the winding hubs, Cheap Recog's The engaging part of the winding hub that engages with the hub driving rotating shaft is fixed to an inner cylinder part into which the hub driving rotating shaft is inserted, and the magnetic tape is wound around the outer periphery of the engaging part that is fixed to the inner cylinder part. a plurality of outer cylindrical parts provided on the inner circumferential surface of the inner cylindrical part along the axial direction of the inner cylindrical part so as to elastically protrude from the hub driving rotation shaft in the radial direction thereof; The same number of grooves as the number of driving protrusions into which the driving protrusions are fitted and held are formed, and a hole or a recess into which the driving protrusions fit is provided in a substantially central portion of the groove in the axial direction of the cylindrical part. A magnetic tape cassette characterized by: