JPS6372783U - - Google Patents
Info
- Publication number
- JPS6372783U JPS6372783U JP16074086U JP16074086U JPS6372783U JP S6372783 U JPS6372783 U JP S6372783U JP 16074086 U JP16074086 U JP 16074086U JP 16074086 U JP16074086 U JP 16074086U JP S6372783 U JPS6372783 U JP S6372783U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- front lid
- spring
- upper half
- cassette
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims 1
Description
第１図乃至第３図は本考案の第１実施例を示す
もので、第１図は第２図の―断面図、第２図
は上ハーフを内面側から見た要部の断面底面図、
第３図は同要部の断面側面図、第４図及び第５図
は第２実施例を示し、第４図は下ハーフ及び前蓋
の断面平面図、第５図は第４図の―断面図、
第６図は第３実施例の要部の断面側面図、第７図
乃至第９図は従来例を示し、第７図は磁気テープ
カセツトを下ハーフ側から見た一部切欠き背面図
、第８図は第７図の―断面図、第９図は第７
図の切欠き部に対応する下ハーフ隅部の平面図で
ある。
１……磁気テープカセツト、２……上ハーフ、
３……下ハーフ、４……カセツト本体、５……磁
気テープ、６……供給リール、７……巻取りリー
ル、８……前蓋、１１……つる巻き状の前蓋スプ
リング、１７……回動支軸、１８……前蓋スプリ
ング、１８ａ……固定端、１８ｂ……先端、１８
ｃ……ループ状のスプリング部、１９……回動軸
１７のスリツト、２０……ガイド溝、２１……係
止突起、２２……前蓋係止部材。
Figures 1 to 3 show the first embodiment of the present invention, where Figure 1 is a cross-sectional view of Figure 2, and Figure 2 is a cross-sectional bottom view of the main part of the upper half viewed from the inner side. ,
FIG. 3 is a sectional side view of the same essential parts, FIGS. 4 and 5 show the second embodiment, FIG. 4 is a sectional plan view of the lower half and front cover, and FIG. 5 is a sectional side view of the same main part. cross section,
FIG. 6 is a sectional side view of the main part of the third embodiment, FIGS. 7 to 9 show the conventional example, and FIG. 7 is a partially cutaway rear view of the magnetic tape cassette seen from the lower half side. Figure 8 is a sectional view of Figure 7, and Figure 9 is a cross-sectional view of Figure 7.
FIG. 6 is a plan view of the lower half corner corresponding to the cutout in the figure. 1... Magnetic tape cassette, 2... Upper half,
3...Lower half, 4...Cassette body, 5...Magnetic tape, 6...Supply reel, 7...Take-up reel, 8...Front cover, 11...Spiral-shaped front cover spring, 17... ...Rotation shaft, 18...Front cover spring, 18a...Fixed end, 18b...Tip, 18
c...Loop-shaped spring portion, 19...Slit of rotating shaft 17, 20...Guide groove, 21...Locking protrusion, 22...Front cover locking member.
Claims (1)
、該カセツト本体に収納される巻回リールからカ
セツト本体の前面に繰り出される磁気テープを上
ハーフに軸支される前蓋で開閉可能に覆い、該前
蓋の回動支軸に係止される前蓋スプリングにより
前蓋を常時閉方向へ付勢するようになした磁気テ
ープカセツトにおいて、前記前蓋スプリングを板
ばねで形成し、該前蓋スプリングの先端と前記回
動支軸に係止される固定端の間にループ状のスプ
リング部を形成すると共に、該先端を上ハーフに
圧接支持したことを特徴とする磁気テープカセツ
ト。 The upper half and the lower half form a cassette body, and a front cover pivotably supported by the upper half covers the magnetic tape that is unwound from a winding reel stored in the cassette body to the front of the cassette body so as to be openable and closable. In a magnetic tape cassette in which the front lid is always biased in the closing direction by a front lid spring that is locked to a pivot shaft of the front lid, the front lid spring is formed of a plate spring, and the front lid spring is A magnetic tape cassette, characterized in that a loop-shaped spring portion is formed between the tip of the magnetic tape and the fixed end that is locked to the rotation support shaft, and the tip is supported in pressure contact with the upper half.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986160740U JPH0210631Y2 (en) | 1986-08-25 | 1986-10-20 | |
| US07/196,222 US4951167A (en) | 1986-08-25 | 1987-08-24 | Magnetic tape cassette with improved front cover supporting mechanism |
| EP87905480A EP0287664B1 (en) | 1986-08-25 | 1987-08-24 | Cassette for magnetic tapes |
| PCT/JP1987/000624 WO1988001787A1 (en) | 1986-08-25 | 1987-08-24 | Cassette for magnetic tapes |
| US07/512,127 US5041939A (en) | 1986-08-25 | 1990-04-17 | Magnetic tape cassette with leaf-shaped spring door closure mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12916586 | 1986-08-25 | ||
| JP1986160740U JPH0210631Y2 (en) | 1986-08-25 | 1986-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6372783U true JPS6372783U (en) | 1988-05-16 |
| JPH0210631Y2 JPH0210631Y2 (en) | 1990-03-15 |
Family
ID=33455122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986160740U Expired JPH0210631Y2 (en) | 1986-08-25 | 1986-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0210631Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5168514U (en) * | 1974-11-26 | 1976-05-31 | ||
| JPS571343U (en) * | 1980-05-30 | 1982-01-06 | ||
| JPS5758626U (en) * | 1980-09-25 | 1982-04-06 |
-
1986
- 1986-10-20 JP JP1986160740U patent/JPH0210631Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5168514U (en) * | 1974-11-26 | 1976-05-31 | ||
| JPS571343U (en) * | 1980-05-30 | 1982-01-06 | ||
| JPS5758626U (en) * | 1980-09-25 | 1982-04-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210631Y2 (en) | 1990-03-15 |