JPS5865690U

JPS5865690U - Tape removal prevention device

Info

Publication number: JPS5865690U
Application number: JP16226781U
Authority: JP
Inventors: 晃三山本
Original assignee: 船井電機株式会社
Priority date: 1981-10-29
Filing date: 1981-10-29
Publication date: 1983-05-04
Also published as: JPS6017104Y2

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 the drawing]

第１図は本考案に係るテープ外れ防止装置を備えた長時
間録画・再生用ＶＴＲ磁気テープカセットの概略断面図
、第２図は第１図の■−■線矢視断面図、第３図は第１
図のｍ−ｍ線矢視断面眸第４図は第３図のＩＶ−ＩＶ線
矢視断面図、第５図はリミッタ３４の斜視図、第６図は
第３図のＶＩ−ＶＩ゛　線矢視断面図、第７図および第
８図はテープリール１３の組立工程を示す部分拡大断面
図、第９図乃至第１１歯はリミッタの他の実施例を示す
斜視図、第１２図乃至第１４図１ま下部円板１３ｂの他
の実施例を示す部分拡大断面図である。６・・・・・・テープ、１２．１３・」・・・・テープ
リール、１２ａ、　　１３ａ＝−−−−−上部円板、１
２ｂ、　１３ｂ−−−−−−下部円板、１３ｄ、３４ｄ
・・・・□・・滑動面（滑動要素）、３４・・・・・・
リミッタ、３４ａ・・・・・・テープ当接面。Fig. 1 is a schematic sectional view of a VTR magnetic tape cassette for long-term recording and playback equipped with a tape detachment prevention device according to the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, and Fig. 3. is the first
4 is a cross-sectional view taken along the line IV--IV in FIG. 3, FIG. 5 is a perspective view of the limiter 34, and FIG. 6 is taken along the line VI-VI in FIG. 3. 7 and 8 are partially enlarged sectional views showing the assembly process of the tape reel 13. FIGS. 9 to 11 are perspective views showing other embodiments of the limiter, and FIGS. 14 FIG. 1 is a partially enlarged sectional view showing another embodiment of the lower disk 13b. 6...Tape, 12.13...Tape reel, 12a, 13a=----Upper disc, 1
2b, 13b--Lower disc, 13d, 34d
...□...Sliding surface (sliding element), 34...
Limiter, 34a... Tape contact surface.

Claims

[Claims for Utility Model Registration] A core 13C is integrally formed in the center between the upper and lower discs 13a and 13b, and a tape reel 13 is provided to wrap the tape 6 around the core 13C. On the other hand, a limiter 34 that moves in the outer radial direction and returns to the original position is disposed at multiple locations around the tape reel 13, and the tip of the limiter 34 is placed outside between the upper and lower discs 13a and 13b. A tape contact surface 34a is formed at the tip of the limiter 34, and a lower corner portion of the lower disc 13b of the tape reel 13 is connected to the contact surface 34a. The sliding element 13d is inclined on one or both of the parts. 34b to prevent tape from coming off. Stop device.