JPH02132388U

JPH02132388U -

Info

Publication number: JPH02132388U
Application number: JP4230089U
Authority: JP
Priority date: 1989-04-10
Filing date: 1989-04-10
Publication date: 1990-11-02

Description

[Brief explanation of drawings]

第１図〜第６図は本考案の実施例を示すもので
あつて、第１図は８ミリビデオ用のテープカセツ
トの要部断面図、第２図は第１図の−線断面
図、第３図は第２図の−線断面図、第４図は
他の例によるテープカセツトの第３図と同様の要
部断面図、第５図、第６図は他の例による第３図
と同様の各断面図、である。第７図〜第１１図は
従来例を示すものであつて、第７図は８ミリビデ
オ用のテープカセツトの斜視図、第８図は同テー
プカセツトの一部断面平面図、第９図は同テープ
カセツトの要部断面図、第１０図は第９図の
−線断面図、第１１図は第１０図の−線断面図、で
ある。なお、図面に示した符号において、２……磁気テープ、１０……前蓋、１１……前
面板、１２……側壁部、１３……枢軸、１５ａ…
…側壁前端部、１５ｃ……突出部、１７……捩じ
りばね、２１，５１……間隙、２３……段付き傾
斜面、２５……傾斜案内面、２６，５６……ロツ
ク部材、３０，６０……係合爪、３１，６１……
被押圧部、３７，６７……被係合部、４０……ば
ね受け、４１……ロツク解除部材、４２……開口
部、４３……突片、４４……突き当て面、６４…
…板ばね、７３，７４……傾斜面、８０……挿入
開始位置、である。 1 to 6 show an embodiment of the present invention, in which FIG. 1 is a sectional view of the main part of an 8 mm video tape cassette, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. FIG. 3 is a sectional view taken along the line -- of FIG. 2, FIG. 4 is a sectional view of a main part similar to FIG. 3 of a tape cassette according to another example, and FIGS. 5 and 6 are sectional views taken from another example. These are sectional views similar to those shown in FIG. 7 to 11 show conventional examples, in which FIG. 7 is a perspective view of a tape cassette for 8 mm video, FIG. 8 is a partially sectional plan view of the same tape cassette, and FIG. FIG. 10 is a cross-sectional view taken along the line -- in FIG. 9, and FIG. 11 is a cross-sectional view taken along the line -- in FIG. 10. In addition, in the symbols shown in the drawings, 2... magnetic tape, 10... front cover, 11... front plate, 12... side wall portion, 13... pivot, 15a...
... Front end of side wall, 15c ... Protrusion, 17 ... Torsion spring, 21, 51 ... Gap, 23 ... Stepped slope, 25 ... Inclined guide surface, 26, 56 ... Lock member, 30 , 60... engaging claw, 31, 61...
Pressed part, 37, 67... Engaged part, 40... Spring receiver, 41... Lock release member, 42... Opening, 43... Projection piece, 44... Abutment surface, 64...
... leaf springs, 73, 74 ... inclined surfaces, 80 ... insertion start position.

Claims

[Scope of utility model registration request]

A front cover that can be opened and closed on the front side of the cassette body is attached to the cassette body, and a locking member of the front cover is disposed in a gap between a side wall of the cassette body and a side wall of the front cover, and A tape cassette configured such that the lock release member of the front cover is inserted into the front cover, wherein the gap is narrow at the insertion position of the lock release member and widened at the rear thereof.