JPS623688U

JPS623688U -

Info

Publication number: JPS623688U
Application number: JP9561385U
Authority: JP
Priority date: 1985-06-24
Filing date: 1985-06-24
Publication date: 1987-01-10
Also published as: JPH0356926Y2

Description

[Brief explanation of the drawing]

第１図〜第７図は本考案をビデオテープレコー
ダ用のテープカセツトに適用した実施例を示すも
のであつて、第１図は第４図の―線断面図、
第２図は第１図の―線断面図、第３図は要部
の平面図、第４図は第３図の―線断面図、第
５図は要部の分解斜視図、第６図はロツクレバー
取付時における第４図と同様な断面図、第７図は
変形例における第２図と同様な断面図である。第
８図〜第１０図はビデオテープレコーダ用のテー
プカセツトの従来例を示すものであつて、第８図
は要部の平面図、第９図は第８図の―線断面
図、第１０図は第９図の―線断面図である。なお図面に用いた符号において、１……カセツ
ト筐体、２……上ハーフ、３……下ハーフ、４…
…テープ、８……前蓋、９……支軸、１８……ロ
ツクレバー、１９……支点ピン、２０……突起、
２１ａ，２１ｂ……凹部、３６ａ，３６ｂ……支
持壁、３７……支持壁間の隙間、３８ａ，３８ｂ
……支持壁の対向面、４０ａ，４０ｂ……縦溝、
４５ａ，４５ｂ……縦溝である。 1 to 7 show an embodiment in which the present invention is applied to a tape cassette for a video tape recorder.
Figure 2 is a cross-sectional view taken along the line - - of Figure 1, Figure 3 is a plan view of the main parts, Figure 4 is a cross-sectional view taken along the - line of Figure 3, Figure 5 is an exploded perspective view of the main parts, and Figure 6. 7 is a sectional view similar to FIG. 4 when the lock lever is attached, and FIG. 7 is a sectional view similar to FIG. 2 in a modified example. 8 to 10 show conventional examples of tape cassettes for video tape recorders, in which FIG. 8 is a plan view of the main part, FIG. 9 is a sectional view taken along the line -- in FIG. The figure is a sectional view taken along the line -- in FIG. In addition, in the symbols used in the drawings, 1...cassette housing, 2...upper half, 3...lower half, 4...
... Tape, 8 ... Front cover, 9 ... Support shaft, 18 ... Lock lever, 19 ... Fulcrum pin, 20 ... Protrusion,
21a, 21b... recess, 36a, 36b... support wall, 37... gap between support walls, 38a, 38b
... Opposing surface of the support wall, 40a, 40b ... Vertical groove,
45a, 45b... vertical grooves.

Claims

[Claims for Utility Model Registration] A horizontal fulcrum pin is provided in a T-shape at the upper end of a vertical lock lever, and a horizontal projection is provided in a T-shape at the lower end of the lock lever, and upper and lower halves forming a cassette casing are provided. A pair of support walls that are vertical and spaced apart are provided in the lower half of the two, the lock lever is inserted from above into the gap between the pair of support walls, and the fulcrum pin is provided at the upper end of the pair of support walls. a tape cassette that is fitted into a pair of recesses and pivotably supported, and configured such that a front lid rotatably attached to the cassette housing is locked in a closed state by the lock lever; The gap between the pair of support walls is configured to be a narrow gap approximately equal to the plate thickness of the lock lever, and a pair of vertical grooves are formed in a part of opposing surfaces of the pair of support walls, and the lock lever The lock lever is installed by inserting the T-shaped protrusion at the lower end along the pair of vertical grooves from above into the narrow gap between the pair of support walls. A tape cassette featuring: