CN1323440A - Magnetic tape cartridge - Google Patents
Magnetic tape cartridge Download PDFInfo
- Publication number
- CN1323440A CN1323440A CN99812149A CN99812149A CN1323440A CN 1323440 A CN1323440 A CN 1323440A CN 99812149 A CN99812149 A CN 99812149A CN 99812149 A CN99812149 A CN 99812149A CN 1323440 A CN1323440 A CN 1323440A
- Authority
- CN
- China
- Prior art keywords
- enclosing cover
- inner cap
- box body
- wall portion
- tape
- 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.)
- Pending
Links
- 230000000630 rising effect Effects 0.000 description 6
- 210000002421 cell wall Anatomy 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/04—Magazines; Cassettes for webs or filaments
- G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
- G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
- G11B23/08707—Details
- G11B23/08735—Covers
Landscapes
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Closures For Containers (AREA)
Abstract
The magnetic tape cartridge according to this invention comprises an outer lid (4) and an inner lid (5) which is rotatably fitted to the outer lid (4) and performs opening or closing motion in association with the outer lid (4) with its guide pins (5b) slidably inserted in a guide groove (6) formed in the cartridge body (3). A groove wall (6a) of the guide groove (6) has a pressing guide wall portion (16) which is adapted to press the guide pin (5b) to push the inner lid (5) against the counterpart side when the outer lide (4) is in the finally closed state.
Description
Technical field
The present invention relates to be used for the tape cassete of recording and reproducing device such as video tape recorder etc., more particularly, the present invention relates to be provided with the tape cassete of enclosing cover and inner cap, and this enclosing cover and inner cap can be protected this tape when tape does not use.
Background technology
Traditionally, in the tape cassete that is suitable for recording and reproducing device such as video tape recorder or analog, especially in the video cassette of 8mm, the place of exposing box at tape is provided with openable lid, thereby prevent that dust from adhering in the stored tape, because dust usually causes signal drop-out etc. in the record reconstruction processes.
Fig. 2 shows an example of traditional tape cassete to Fig. 4.Fig. 2 shows outward appearance, and Fig. 3 and Fig. 4 show its detailed structure.
In this tape cassete, on the front portion of the box body 3 that comprises upper shell 1 and lower house 2, be provided with the lid opened that comprises enclosing cover 4 and inner cap 5, and enclosing cover 4 is rotatably fixed on the both sides of the edge of box body 3 front portions, inner cap 5 is installed in the enclosing cover 4.
Two opposite edges of inner cap 5 are provided with and engage teat 5a.This joint teat 5a rotatably is inserted in the conjugate foramen 4a that is formed on the enclosing cover 4.The enclosing cover 4 also inside surface of its two opposite edges is provided with pivot 4b, and these pivots 4b rotatably is fixed between upper shell 1 and the lower house 2.Inner cap 5 is provided with guide finger 5b at the place, both sides of the edge.Described guide finger is inserted in the gathering sill 6 that is formed in the box body 3 slidably.
With regard to this structure described above, guide finger 5b opens or closing movement and produce sliding in gathering sill 6 by enclosing cover 4, therefore makes inner cap 5 open or close.Therefore, enclosing cover 4 has covered the front surface of the tape 7 that exposes on the front portion of box body 3.Then, inner cap 5 is closed with respect to enclosing cover 4 and box body 3, thereby has blocked the gap between box body 3 and the enclosing cover 4, has therefore covered the rear surface of the tape 7 that exposes on the front surface of box body 3.
The same as mentioned above, the sliding rail of inner cap 5 is limited by gathering sill 6.Usually, the width of formed gathering sill 6 is slightly greater than the diameter of guide finger 5b, thus by enclosing cover 4 open or closing movement makes guide finger 5b carry out smooth sliding.For this reason, when enclosing cover 4 was in last closed condition, inner cap 5 tended to produce tangible play.
When tape cassete is installed on video tape recorder or the analog, if the front surface of box body 3 points to down, as shown in fig. 5, inner cap 5 moves down by means of its weight so, and the part 10 of the inner cap 5 that contacts with box body 3 is elevated on the top surface of upper shell 1.When box enters, this rising of contact portion 10 will cause the card of stumbling, and can produce such shortcoming: as damaging inner cap 5, correspondingly produce the bad of box and enter.
Content disclosed in this invention
Above considering, the objective of the invention is to overcome described above topic and a kind of such tape cassete is provided: when openable lid is in last closed condition, this tape cassete can be eliminated this bad rising of inner cap, and can prevent to produce because caused bad the entering of rising of inner cap.
To realize above-mentioned purpose of the present invention by means of a kind of like this tape cassete, this tape cassete comprises:
One enclosing cover, it is rotatably fixed on the front portion of a box body so that be opened or close, and is suitable for covering the front surface of the tape that the front surface place of box body exposes, and
One inner cap, it is rotatably fixed to described outer covering, so that with described enclosing cover open or closing movement is opened or closed relatively, its guide finger is inserted in the gathering sill that correspondingly is formed on the box body slidably, when enclosing cover is closed, described inner cap produces with box body with enclosing cover and contacts, therefore stopped up the gap between box body and the enclosing cover, so that cover the rear surface of the tape that the front surface place of box body exposes, wherein gathering sill wall comprises an extruding guide wall portion, at this wall portion pushing guide finger (5b) of final plant closure state of enclosing cover, so that push this inner cap towards the other side of contact.
Extruding guide wall portion preferably reduces to form by the width that makes gathering sill towards a position gradually, and guide finger slides into this position when inner cap is closed.
The cutline of accompanying drawing
Fig. 1 is the sectional view of the tape cassete of the preferred embodiment of the present invention, and it shows the major part of this structure,
Fig. 2 is the external perspective view of tape cassete;
Fig. 3 is the decomposition diagram of the tape cassete of Fig. 2, and it shows the major part of this structure,
Fig. 4 is the cut-open view of the tape cassete of Fig. 2, and it shows can open the major part of covering this structure when opening, and
Fig. 5 is the sectional view that is used for explaining traditional tape cassete inconvenience.
Realize best mode of the present invention
To describe an example of tape cassete of the present invention below in detail.In order to save unnecessary description, identical label is used for the tape cassete part identical with traditional tape cassete part.
Fig. 1 is a sectional view, and it shows the structure of front portion of the tape cassete of one embodiment of the invention.Comprise that the lid opened of enclosing cover 4 and inner cap 5 is connected to the front portion of box body 3, so that can freely open or close.
Enclosing cover 4 rotatably is installed in the box body 3 by means of pivot 4b, and covers tape (not shown) front surface, and this tape front surface exposes on the front portion of box body 3.Inner cap 5 rotatably engages with enclosing cover 4 by its joint teat 5a, this joint teat 5a is inserted in the conjugate foramen 4a that is formed in the enclosing cover 4, inner cap 5 combines with enclosing cover 4 by guide finger 5b and realizes opening or closing movement, and this guide finger 5b is along with the opening and closing of enclosing cover 4 operation is inserted in the gathering sill 6 that is formed in the box body 3 slidably.When enclosing cover 4 was closed, 3 generations contacted with box body with enclosing cover 4 with 15b from engaging teat 5a swinging end 15a farthest, inner cap 5.Therefore, inner cap 5 has blocked the gap 14 between box body 3 and the enclosing cover 4, has covered simultaneously to expose rear surface on the front surface of box body 3, the tape (not shown).
In addition, in the tape cassete of this embodiment, groove 6 is limited by cell wall, in order to adjust the opening and closing campaign of inner cap 5.A cell wall 6a who regulates the closing movement of inner cap 5 has extruding guide wall portion 16.When the last closed condition of enclosing cover 4, the 16 extruding guide finger 5b of this extruding guide wall portion, thus forcibly the swinging end 15a of inner cap 5 and 15b are pushed against on corresponding enclosing cover 4 and the box body 3, and contact with it.
More particularly, extruding guide wall portion 16 is formed on the position of being swelled from traditional cell wall 6b, and this tradition cell wall 6b is the same shown in two dot-and-dash lines of Fig. 1.In order to form extruding guide wall portion 16, the width of gathering sill 6 reduces gradually towards the position (downward direction among Fig. 1) that guide finger 5b when the closed condition of inner cap 5 is slided to.The elevation angle theta of extruding guide wall portion 16 is set to 45 ° or bigger in this case.
Therefore, by means of extruding guide wall portion 16 is provided in gathering sill 6, when enclosing cover 4 is in last closed condition, can be pressed against inner cap 5 on corresponding enclosing cover 4 and the box body 3 forcibly, play when therefore, composition can be opened the inner cap 5 of lid and enclosing cover 4 and is in last closed condition can be eliminated generally.
Because therefore 16 extruding guide finger 5b when enclosing cover 4 is in its last closed condition of extruding guide wall portion can not hinder with opening of enclosing cover 4 and move or closing movement smooth sliding relevant, guide finger 5b.
Therefore, can avoid the unfavorable rising of inner cap 5 shown in Figure 5, therefore can prevent that inner cap 5 from suffering damage and the bad of box enters.
In addition, extruding guide wall portion 16 can be formed at the position that traditional cell wall 6b is swelled simply, and when box is made by the resin molding, can easily form by means of cutting thickness on a part of metal pattern.Therefore, can avoid the remarkable rising of product expense.
Industrial applicability
As mentioned above, with regard to cassette of the present invention, when enclosing cover is in last closed condition The time, bear against on corresponding enclosing cover and box body to being forced to property of inner cap.
Therefore, when its last closed condition, can open the play of lid and all eliminated, because of This can prevent that inner cap from rising at the top surface of box body, therefore can avoid these troubles: in Lid suffers damage or box bad enters etc.
When being described in conjunction with the preferred embodiments of the present invention, do not break away from of the present invention Carrying out various changes and modifications in the situation is apparent to those of ordinary skill in the art , so its target is to have covered in accessory claim and fallen within reality of the present invention All changes and improvement in Spirit Essence and the scope.
Claims (5)
1. a tape cassete comprises:
One enclosing cover (4), it is rotatably fixed on the front portion of a box body (3) so that be opened or close, and is suitable for covering the front surface of the tape (7) that the front surface place of described box body exposes, and
One inner cap (5), it is rotatably fixed on the described enclosing cover (4), so that with described enclosing cover (4) open or closing movement is opened or closed relatively, its guide finger (5b) is inserted in the gathering sill (6) that correspondingly is formed on the box body (3) slidably, when enclosing cover (4) when closing, described inner cap (5) produces with box body (3) with enclosing cover (4) and contact, so has closed the gap (14) between box body (3) and the enclosing cover (4), cover the rear surface of described tape (7) simultaneously
The wall that wherein correspondingly limits described gathering sill (6) comprises extruding guide wall portion (16), at this wall portion extruding guide finger (5b) of final plant closure state of enclosing cover (4), thereby promotes inner cap (5) along a predetermined direction.
2. tape cassete as claimed in claim 1 is characterized in that: the direction that described extruding guide wall portion (16) is rotated towards described box body (3) along described inner cap (5) is pushed described inner cap (5).
3. tape cassete as claimed in claim 1, it is characterized in that: each described extruding guide wall portion (16) forms by the width that reduces described corresponding gathering sill (6) towards a position, when inner cap (5) when being closed corresponding guide finger (5b) slide into this position.
4. tape cassete as claimed in claim 2, it is characterized in that: each described extruding guide wall portion (16) forms by the width that reduces described corresponding gathering sill (6) towards a position, when inner cap (5) when being closed corresponding guide finger (5b) slide into this position.
5. tape cassete as claimed in claim 1, it is characterized in that: described extruding guide wall portion (16) is at the last closed condition extruding guide finger (5b) of described enclosing cover (4), therefore forcibly the swinging end of described inner cap (5) (15a and 15b) is pushed against on described enclosing cover (4) and the described box body (3), and contact with it.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10293979A JP2000123541A (en) | 1998-10-15 | 1998-10-15 | Magnetic tape cartridge |
| JP293979/1998 | 1998-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1323440A true CN1323440A (en) | 2001-11-21 |
Family
ID=17801684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99812149A Pending CN1323440A (en) | 1998-10-15 | 1999-10-14 | Magnetic tape cartridge |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1119855A1 (en) |
| JP (1) | JP2000123541A (en) |
| KR (1) | KR20010075139A (en) |
| CN (1) | CN1323440A (en) |
| WO (1) | WO2000022622A1 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58128069A (en) * | 1982-01-25 | 1983-07-30 | Sony Corp | Tape cassette |
| JPS6140785U (en) * | 1984-08-15 | 1986-03-14 | ティーディーケイ株式会社 | Magnetic cassette tape with dust prevention mechanism |
| JPS63175279A (en) * | 1987-01-14 | 1988-07-19 | Matsushita Electric Ind Co Ltd | Tape cassette |
| JPH02140682U (en) * | 1989-04-21 | 1990-11-26 | ||
| JP2770493B2 (en) * | 1989-11-06 | 1998-07-02 | ソニー株式会社 | Tape cassette |
| JPH087975B2 (en) * | 1990-06-01 | 1996-01-29 | 松下電器産業株式会社 | Tape cassette |
| JP3318621B2 (en) * | 1992-04-14 | 2002-08-26 | ソニー株式会社 | Tape cassette |
| JPH0636507A (en) * | 1992-07-21 | 1994-02-10 | Hitachi Maxell Ltd | Tape cassette |
| JP2730453B2 (en) * | 1993-06-24 | 1998-03-25 | 日本ビクター株式会社 | Tape cassette |
-
1998
- 1998-10-15 JP JP10293979A patent/JP2000123541A/en active Pending
-
1999
- 1999-10-14 WO PCT/JP1999/005686 patent/WO2000022622A1/en not_active Application Discontinuation
- 1999-10-14 EP EP99947907A patent/EP1119855A1/en not_active Withdrawn
- 1999-10-14 CN CN99812149A patent/CN1323440A/en active Pending
- 1999-10-14 KR KR1020017003381A patent/KR20010075139A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1119855A1 (en) | 2001-08-01 |
| WO2000022622A1 (en) | 2000-04-20 |
| KR20010075139A (en) | 2001-08-09 |
| JP2000123541A (en) | 2000-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |