JPS59153679U

JPS59153679U - tape cassette

Info

Publication number: JPS59153679U
Application number: JP4708183U
Authority: JP
Inventors: 雅之原田
Original assignee: ソニー株式会社
Priority date: 1983-03-31
Filing date: 1983-03-31
Publication date: 1984-10-15
Also published as: JPS6316067Y2

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図はビデオテープレコーダ用テープカセットの従来
例を説明する平面図、第２図は要部の分解斜視図、第３
図は前蓋のロック及びロック解除を説明する要部の一部
切欠き拡大側面図、第４図はロックレバ−が前方側へ回
動された状態を説明する要部の一部切欠き拡大側面図で
ある。第５図〜第７図は本考案を適用したビデオテープ
レコーダ用テープカセットの一実施例を示したものであ
って、第５図は要部の分解斜視図、第６図は前蓋のロッ
ク及びロック解除を説明する要部の一部切欠き拡大側面
図、第７図はロックレバ−が前方側へ回動された状態を
説明する要部の一部切欠き拡大側面図である。また図面に用いられた符号において１．１・・・・・・
前蓋、１ａ・・・・・・左右両端部、１ｂ・・・・・・
後方側端縁、２・・・・・・カセット筐体、２ａ・・・
・・・左右両側壁、５・・・・・・第１支点ピン、１０
・・・・・・前面開口、１２・・・・・・捩りコイルば
ね、１５・・・・・・ロックレバ−１１６・・・・・・
第２支点ピン、１７・・・・・・ロック爪、２０・・工
突起、３４・・・・・・案内面、３７・・・・・・案内
面、３８・・・・・・規制部、である。Fig. 1 is a plan view illustrating a conventional example of a tape cassette for a video tape recorder, Fig. 2 is an exploded perspective view of the main parts, and Fig. 3 is an exploded perspective view of the main parts.
The figure is a partially cutaway enlarged side view of the main part to explain locking and unlocking of the front cover, and Figure 4 is a partially cutaway enlarged side view of the main part to explain the state in which the lock lever is rotated forward. It is a diagram. 5 to 7 show an embodiment of a tape cassette for a video tape recorder to which the present invention is applied, in which FIG. 5 is an exploded perspective view of the main parts, and FIG. 6 is a front cover lock. FIG. 7 is an enlarged side view, partially cut away, of the main part, illustrating unlocking, and FIG. Also, in the symbols used in the drawings, 1.1...
Front lid, 1a...Both left and right ends, 1b...
Rear edge, 2...Cassette housing, 2a...
... Left and right side walls, 5 ... First fulcrum pin, 10
...Front opening, 12...Torsion coil spring, 15...Lock lever 116...
2nd fulcrum pin, 17... Lock claw, 20... Work protrusion, 34... Guide surface, 37... Guide surface, 38... Regulatory part , is.

Claims

[Scope of utility model registration request]

The cassette housing has an opening on the front, and the planar shape is an S-shaped triangle, and the left and right ends are rotated vertically to the left and right side walls of the cassette housing via a pair of first fulcrum pins. A front cover is configured to be movably pivoted so that the upper opening can be opened and closed; It consists of a lock lever that is rotatably supported in the front and back direction on one side wall of the cassette housing via the cassette housing, and a spring that biases the lock lever forward to rotate, and the front lid is in the closed state. Then, the lock claw of the lock lever is engaged from below with a protrusion that is integrally provided near the rear of the first fulcrum pin inside one end of the front cover to lock the front cover in the closed state. In a tape cassette configured to The lock lever is provided with a regulating part that comes into contact with the semicircular surface and restricts the rotation of the lock lever when the front cover is rotated forward. At least one of the lock claw and the protrusion is provided with a guide surface for rotating the lock claw rearward and releasing the lock claw when the protrusion i comes into contact with the lock claw from below when the protrusion i is rotated to the position. A tape cassette characterized by comprising: