JPS6121078U

JPS6121078U - Reel for tape cassette

Info

Publication number: JPS6121078U
Application number: JP10454884U
Authority: JP
Inventors: 博久矢崎; 勇南
Original assignee: 日本ビクター株式会社
Priority date: 1984-07-11
Filing date: 1984-07-11
Publication date: 1986-02-06
Also published as: KR900003073Y1; KR860002008U

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図はこの考案のテープカセット用リールの平面図で
、第２図は第１図のＡ−Ａ線における断面図、第３図は
この考案の変形例を示す斜視図で、第４図はその断面図
、第５図は第３図に示すものをさらに変形した斜視図、
第６図は従来のテープカセット用リールの平面図で、第
７、図は第６図のＢ−Ｂ線における断面図、第８図は従
来のテープカセット用リールの変形例を示す斜視図、第
９図は従来のテープカセット用リールの磁気テープ巻芯
の真円度が悪化した状態を誇張的に表わした図、第１０
図は他の従来例の斜視図で、第１１図はその断面図、第
１２図はさらに他の従来例の斜視図で、第１３図はその
断面図であり、第１４図はこの従来例の欠点を説明する
ための図である。１・・・ドーナツ状円ｉ、２・・・回転軸芯、２ａ・・
・回転軸芯の一周端、３・・・磁気テープ巻芯、３ａ・
・・磁気テープ巻芯の一周端、３ｂ・・・磁気テープ巻
芯の他周端、５・・・他方のフランジ円板を接合するた
めのボス、６・・・テープカセットケースの内面に設け
た板（よ］ねに当接する突起、７・・・磁気テープを係
止する係止片が嵌合する凹部、８・・・回転軸芯と磁気
．ナープ巻芯とのそれぞれの一周端を一体に連接した円
板状部、９・・・フランジ円板、１０・・・補強リブ、
１１・・・他方のフランジ円板。Fig. 1 is a plan view of a tape cassette reel of this invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, Fig. 3 is a perspective view showing a modification of this invention, and Fig. 4 is a plan view of a reel for a tape cassette of this invention. is a sectional view thereof, and FIG. 5 is a perspective view of the one shown in FIG. 3, which is further modified.
Fig. 6 is a plan view of a conventional tape cassette reel, Fig. 7 is a sectional view taken along line B-B in Fig. 6, and Fig. 8 is a perspective view showing a modification of the conventional tape cassette reel. FIG. 9 is an exaggerated view of the state in which the roundness of the magnetic tape core of a conventional tape cassette reel has deteriorated;
The figure is a perspective view of another conventional example, FIG. 11 is a sectional view thereof, FIG. 12 is a perspective view of still another conventional example, FIG. 13 is a sectional view thereof, and FIG. 14 is a sectional view of this conventional example. FIG. 1...Doughnut-shaped circle i, 2...Rotation axis, 2a...
・One circumferential end of the rotating shaft core, 3...Magnetic tape winding core, 3a・
...One circumference end of the magnetic tape core, 3b...Other circumference end of the magnetic tape core, 5...Boss for joining the other flange disk, 6...Provided on the inner surface of the tape cassette case a protrusion that comes into contact with the plate, 7...a recess into which a locking piece that locks the magnetic tape fits, 8...one peripheral end of each of the rotating shaft core and the magnetic nap winding core. integrally connected disc-shaped portion, 9... flange disc, 10... reinforcing rib;
11...Other flange disk.

Claims

[Scope of utility model registration request]

In forming a magnetic tape winding core that is coaxial with the rotating shaft, one peripheral end of the magnetic tape winding core and the rotating shaft are connected by a disc-shaped part, and the magnetic tape winding 1. A reel for a tape cassette, characterized in that a flange disk-shaped portion is connected to the other peripheral end of the core, and another flange disk is joined to one peripheral end of the magnetic tape core.