JPH0741776U - Tape cassette - Google Patents
Tape cassetteInfo
- Publication number
- JPH0741776U JPH0741776U JP6872493U JP6872493U JPH0741776U JP H0741776 U JPH0741776 U JP H0741776U JP 6872493 U JP6872493 U JP 6872493U JP 6872493 U JP6872493 U JP 6872493U JP H0741776 U JPH0741776 U JP H0741776U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- peripheral edge
- tip
- cassette
- inner peripheral
- 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
Landscapes
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
(57)【要約】
【目的】 カセットの組立時において、ハブリングの先
端の内周縁部がハブの上部筒状凸部の先端の外周縁部と
当接した場合でも、組立不良や、ハブの変形、ハブリン
グの削れ等の問題が生ずるおそれのないテープカセット
を提供すること。
【構成】 カセット本体の上ハーフに一対のハブリング
を設けると共に下ハーフに一対のハブ支承凹部を設け、
また、ハブの上部に上部筒状凸部を設けると共に下部に
下部筒状凸部を設けてあり、上記カセット本体内に、磁
気テープを巻回した一対の上記ハブを、それぞれ上記上
部筒状凸部を上記ハブリング内に嵌挿し且つ上記下部筒
状凸部を上記ハブ支承凹部内に嵌挿させて収納したテー
プカセットにおいて、上記ハブリングの先端の内周縁部
又は／及び上記ハブの上記上部筒状凸部の先端の外周縁
部を切欠き、該内周縁部又は／及び外周縁部を傾斜面又
は凸曲面となしたことを特徴とする。
(57) [Summary] [Objective] When the cassette is assembled, even if the inner peripheral edge of the tip of the hub ring comes into contact with the outer peripheral edge of the tip of the upper cylindrical protrusion of the hub, assembly failure or deformation of the hub may occur. To provide a tape cassette free from problems such as abrasion of the hub ring. [Composition] A pair of hub rings are provided on the upper half of the cassette body, and a pair of hub bearing recesses are provided on the lower half.
Further, an upper cylindrical convex portion is provided on the upper portion of the hub and a lower cylindrical convex portion is provided on the lower portion, and a pair of the above-mentioned hubs on which magnetic tape is wound are provided in the cassette body, respectively. In a tape cassette in which a portion is inserted into the hub ring and the lower cylindrical convex portion is inserted into the hub support concave portion and housed, an inner peripheral edge portion of the tip of the hub ring and / or the upper cylindrical portion of the hub is formed. The outer peripheral edge portion at the tip of the convex portion is notched, and the inner peripheral edge portion and / or the outer peripheral edge portion is formed as an inclined surface or a convex curved surface.
Description
【０００１】[0001]
本考案はテープカセット、詳しくは、カセットの組立時に、ハブリングがハブ の上部筒状凸部と当接した場合でも、組立不良やハブリングの削れ等の問題が生 ずるおそれのないテープカセットに関する。 The present invention relates to a tape cassette, and more particularly, to a tape cassette that does not cause problems such as defective assembly and scraping of the hub ring even when the hub ring contacts the upper cylindrical protrusion of the hub during assembly of the cassette.
【０００２】[0002]
テープカセットは、図４に示す如く、上ハーフ１及び下ハーフ２からなるカセ ット本体内に、磁気テープ３を巻回した一対のハブ４，４を収納してある。図５ に示す如く、該ハブ４，４それぞれにおける上記磁気テープ３の巻回部の上側（ 上ハーフ１側）には上部筒状凸部４１が設けられ、下側（下ハーフ２側）には下 部筒状凸部４２が設けられており、上記ハブ４は、上記上部筒状凸部４１が上ハ ーフ１の内面に円環状に突設されたハブリング１１内に遊嵌され、且つ上記下部 筒状凸部４２が、下ハーフ２におけるハブホール２２の周縁に陥設された環状の ハブ支承凹部２１内に遊嵌されている。 As shown in FIG. 4, the tape cassette has a cassette body composed of an upper half 1 and a lower half 2 and a pair of hubs 4 and 4 around which a magnetic tape 3 is wound. As shown in FIG. 5, an upper cylindrical convex portion 41 is provided on the upper side (upper half 1 side) of the winding portion of the magnetic tape 3 in each of the hubs 4 and 4, and on the lower side (lower half 2 side). Is provided with a lower cylindrical convex portion 42, and the hub 4 is loosely fitted in a hub ring 11 in which the upper cylindrical convex portion 41 is annularly projected on the inner surface of the upper half 1. In addition, the lower cylindrical convex portion 42 is loosely fitted in the annular hub bearing concave portion 21 that is recessed in the peripheral edge of the hub hole 22 in the lower half 2.
【０００３】 従来、上記テープカセットにおいては、上記ハブ４の円滑な回転が可能である ように、上ハーフ１における上記ハブリング１１及び下ハーフ２における上記ハ ブ支承凹部２１の内径と、ハブ４の上記上部筒状凸部４１及び上記下部筒状凸部 ４２の外径との間には、それぞれ十分なクリアランスが設けられている。 カセットの組立時において、上記ハブ４は、作業台上に載置された下ハーフ２ の上記ハブ支承凹部２１内に配置され、その後（最後に）、上記下ハーフ２の上 に上ハーフ１が被せられ、下ハーフ２と上ハーフ１とが結合される。Conventionally, in the above tape cassette, the inner diameter of the hub ring 11 in the upper half 1 and the hub bearing recess 21 in the lower half 2 and the hub 4 are set so that the hub 4 can rotate smoothly. Sufficient clearances are provided between the outer diameters of the upper cylindrical convex portion 41 and the lower cylindrical convex portion 42, respectively. At the time of assembling the cassette, the hub 4 is placed in the hub bearing recess 21 of the lower half 2 placed on the workbench, and then (finally), the upper half 1 is placed on the lower half 2. It is covered and the lower half 2 and the upper half 1 are joined.
【０００４】[0004]
しかしながら、カセットの組立時において、上記ハブ４が作業台上に載置され た下ハーフ２の上記ハブ支承凹部２１内に配置された段階では、上述の如く上記 下部筒状凸部４２の周囲にかなりのクリアランスが存在するため、上記ハブ４の 上記ハブ支承凹部２１内における位置が片隅に偏っている場合がある。従って、 図６（ａ）〜（ｃ）に示す如く、上記ハブ４の位置によっては、上ハーフ１を被 せた際、上記ハブリング１１の先端の内周縁部１１ａ′が上記ハブ４の上部筒状 凸部４１の先端の外周縁部４１ａ′と当接するおそれがあり、当接した場合、組 立不良や、上記ハブ４の変形、あるいは上記ハブリング１１の削れといった問題 が生ずるおそれがある。 However, when the hub 4 is placed in the hub bearing recess 21 of the lower half 2 placed on the work table during assembly of the cassette, as described above, the hub 4 is placed around the lower cylindrical protrusion 42. Since there is a considerable clearance, the position of the hub 4 in the hub bearing recess 21 may be biased to one corner. Therefore, as shown in FIGS. 6A to 6C, depending on the position of the hub 4, when the upper half 1 is covered, the inner peripheral edge portion 11 a ′ of the tip of the hub ring 11 is an upper cylinder of the hub 4. There is a possibility that it may come into contact with the outer peripheral edge portion 41a 'of the tip of the convex portion 41, and if it comes into contact with it, problems such as poor assembly, deformation of the hub 4, or abrasion of the hub ring 11 may occur.
【０００５】 従って、本考案の目的は、カセットの組立時において、ハブリングの先端の内 周縁部がハブの上部筒状凸部の先端の外周縁部と当接した場合でも、組立不良や 、ハブの変形、ハブリングの削れ等の問題が生ずるおそれのないテープカセット を提供することにある。Therefore, an object of the present invention is to assemble the cassette, even if the inner peripheral edge of the tip of the hub ring comes into contact with the outer peripheral edge of the tip of the upper cylindrical protrusion of the hub during assembly of the cassette, the assembly failure or the hub It is an object of the present invention to provide a tape cassette free from problems such as deformation of the hub ring and abrasion of the hub ring.
【０００６】[0006]
本考案は、カセット本体の上ハーフに一対のハブリングを設けると共に下ハー フに一対のハブ支承凹部を設け、また、ハブの上部に上部筒状凸部を設けると共 に下部に下部筒状凸部を設けてあり、上記カセット本体内に、磁気テープを巻回 した一対の上記ハブを、それぞれ上記上部筒状凸部を上記ハブリング内に嵌挿し 且つ上記下部筒状凸部を上記ハブ支承凹部内に嵌挿させて収納したテープカセッ トにおいて、上記ハブリングの先端の内周縁部又は／及び上記ハブの上記上部筒 状凸部の先端の外周縁部を切欠き、該内周縁部又は／及び外周縁部を傾斜面又は 凸曲面となしたことを特徴とするテープカセットを提供することにより、上記目 的を達成したものである。 The present invention provides a pair of hub rings on the upper half of the cassette body, a pair of hub bearing recesses on the lower half, and an upper cylindrical protrusion on the upper part of the hub, and a lower cylindrical protrusion on the lower part. And a pair of the above-mentioned hubs around which magnetic tape is wound, the upper cylindrical projections are fitted into the hub rings, and the lower cylindrical projections are formed into the hub bearing recesses. In the tape cassette inserted and housed inside, the inner peripheral edge portion of the tip of the hub ring and / or the outer peripheral edge portion of the tip of the upper cylindrical convex portion of the hub is cut out, and the inner peripheral edge portion and / or the outer peripheral portion is cut off. The above object is achieved by providing a tape cassette whose peripheral portion is formed as an inclined surface or a convex curved surface.
【０００７】[0007]
本考案のテープカセットにおいては、カセットの組立時において、作業台上に 載置された下ハーフの上記ハブ支承凹部内に上記ハブが配置され、その後（最後 に）、ハブ等が組み込まれた上記下ハーフの上に上ハーフが被せられ、下ハーフ と上ハーフとが結合される。下ハーフの上に上ハーフを被せたとき、上ハーフに 設けられたハブリングの先端の内周縁部がハブの上記上部筒状凸部の先端の外周 縁部と当接した場合、ハブは、ハブリングの上記内周縁部又は／及びハブの上部 筒状凸部の上記外周縁部に設けられた上記傾斜面又は凸曲面により、スムーズに 上記ハブリング内に収められる。 In the tape cassette of the present invention, when the cassette is assembled, the hub is placed in the hub supporting recess of the lower half placed on the workbench, and then (at the end), the hub and the like are incorporated. The upper half is put on the lower half, and the lower half and the upper half are joined. When the upper half is put on the lower half and the inner peripheral edge of the tip of the hub ring provided on the upper half comes into contact with the outer peripheral edge of the tip of the upper cylindrical convex portion of the hub, the hub will be the hub ring. The inner peripheral edge portion and / or the upper portion of the hub is smoothly accommodated in the hub ring due to the inclined surface or the convex curved surface provided on the outer peripheral edge portion of the cylindrical convex portion.
【０００８】[0008]
以下、本考案のテープカセットの一実施例を図面を参照して説明する。 図１は本考案のテープカセットの一実施例の外観を示す斜視図、図２は図１に 示す実施例におけるハブの収納状態を示す拡大断面図である。 An embodiment of the tape cassette of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing the external appearance of an embodiment of the tape cassette of the present invention, and FIG. 2 is an enlarged sectional view showing the housing state of the hub in the embodiment shown in FIG.
【０００９】 本実施例のテープカセットは、図１に示す如く、上ハーフ１及び下ハーフ２か らなるカセット本体内に、磁気テープ３を巻回した一対のハブ４，４を収納して ある。図２に示す如く、該ハブ４，４それぞれにおける上記磁気テープ３の巻回 部の上側（上ハーフ１側）には上部筒状凸部４１が設けられ、下側（下ハーフ２ 側）には下部筒状凸部４２が設けられており、上記ハブ４は、上記上部筒状凸部 ４１が上ハーフ１の内面に円形に突設されたハブリング１１内に遊嵌され、且つ 上記下部筒状凸部４２が、下ハーフ２におけるハブホール２２の周縁に陥設され た環状のハブ支承凹部２１内に遊嵌されている。As shown in FIG. 1, the tape cassette of this embodiment has a pair of hubs 4 and 4 around which a magnetic tape 3 is wound inside a cassette body composed of an upper half 1 and a lower half 2. . As shown in FIG. 2, an upper cylindrical convex portion 41 is provided on the upper side (upper half 1 side) of the winding portion of the magnetic tape 3 in each of the hubs 4 and 4, and on the lower side (lower half 2 side). Is provided with a lower cylindrical convex portion 42, and the hub 4 is loosely fitted into the hub ring 11 in which the upper cylindrical convex portion 41 is circularly projected on the inner surface of the upper half 1 and the lower cylindrical convex portion 42 is provided. The convex portion 42 is loosely fitted in the annular hub bearing concave portion 21 that is recessed in the peripheral edge of the hub hole 22 in the lower half 2.
【００１０】 而して、本実施例のテープカセットは、図２に示す如く、上記ハブリング１１ の先端の内周縁部１１ａを切欠き、該内周縁部１１ａを傾斜面となしてある。In the tape cassette of this embodiment, as shown in FIG. 2, the inner peripheral edge 11a at the tip of the hub ring 11 is notched, and the inner peripheral edge 11a is an inclined surface.
【００１１】 本実施例のテープカセットについて更に説明すると、上記内周縁部１１ａにお ける上記傾斜面の大きさ〔ハブリング１１の半径方向の切欠寸法Ｃ1 、半径方向 に垂直な方向（軸方向）の切欠寸法Ｃ2 〕は、Ｃ1 ＝０．２〜０．５ｍｍ、Ｃ2 ＝０．２〜０．５ｍｍとするのが好ましい。To further describe the tape cassette of the present embodiment, the size of the inclined surface in the inner peripheral edge portion 11a [the radial cutout dimension C 1 of the hub ring 11 and the direction perpendicular to the radial direction (axial direction)] The notch size C 2 ] is preferably C 1 = 0.2 to 0.5 mm and C 2 = 0.2 to 0.5 mm.
【００１２】 以上のように構成された本実施例のテープカセットにおいては、カセットの組 立時において、最後に下ハーフ２の上に上ハーフ１が被せられる際、ハブリング １１の先端の内周縁部１１ａがハブ４の上記上部筒状凸部４１の先端の外周縁部 ４１ａと当接した場合でも、該ハブ４は、ハブリング１１の上記内周縁部１１ａ に設けられた傾斜面により、スムーズに該ハブリング１１内に収められるため、 組立不良や、ハブ４の変形、ハブリング１１の削れ等の問題が生ずるおそれがな い。In the tape cassette of the present embodiment configured as described above, when the upper half 1 is finally put on the lower half 2 when the cassette is assembled, the inner peripheral edge portion 11a of the tip of the hub ring 11 is finally covered. When the hub 4 comes into contact with the outer peripheral edge portion 41a of the tip of the upper cylindrical convex portion 41 of the hub 4, the hub 4 is smoothly moved by the inclined surface provided on the inner peripheral edge portion 11a of the hub ring 11. Since it is housed inside 11, there is no risk of problems such as poor assembly, deformation of the hub 4, and abrasion of the hub ring 11.
【００１３】 図３は、本考案のテープカセットの第２の実施例を示す図２相当図である。 第２の実施例は、ハブリング１１の先端の内周縁部１１ａを第１の実施例にお ける傾斜面の代わりに凸曲面とし、更に、ハブ４の上部筒状凸部４１の先端の外 周縁部４１ａをも凸曲面となしたもので、これらの点以外は第１の実施例と同様 に構成されている。 ハブリング１１における上記凸曲面の半径Ｒ1 及びハブ４の上部筒状凸部４１ における上記凸曲面の半径Ｒ2 は、Ｒ1 ＝０．２〜１．０ｍｍ、Ｒ2 ＝０．２〜 １．０ｍｍとするのが好ましい。 第２の実施例においても、第１の実施例と同様の効果が奏される。FIG. 3 is a view corresponding to FIG. 2 showing a second embodiment of the tape cassette of the present invention. In the second embodiment, the inner peripheral edge portion 11a of the tip of the hub ring 11 is a convex curved surface instead of the inclined surface in the first embodiment, and the outer peripheral edge of the tip of the upper cylindrical convex portion 41 of the hub 4 is further formed. The portion 41a also has a convex curved surface, and is configured similarly to the first embodiment except for these points. The radius R 1 of the convex curved surface of the hub ring 11 and the radius R 2 of the convex curved surface of the upper cylindrical convex portion 41 of the hub 4 are R 1 = 0.2 to 1.0 mm and R 2 = 0.2 to 1. It is preferably 0 mm. Also in the second embodiment, the same effect as that of the first embodiment is obtained.
【００１４】 尚、第２の実施例のハブリング１１の上記内周縁部１１ａにおける凸曲面は上 記のままにしておいて、ハブ４の上記外周縁部４１ａにおける上記凸曲面を傾斜 面に代えてもよく、傾斜面に代えた場合には、該傾斜面の大きさ〔ハブ４の半径 方向の切欠寸法Ｃ3 、半径方向に垂直な方向（軸方向）の切欠寸法Ｃ4 〕は、Ｃ 3 ＝０．２〜０．５ｍｍ、Ｃ4 ＝０．２〜０．５ｍｍとするのが好ましい。 上述のテープカセットにおいても、第１の実施例と同様の効果が奏される。The convex curved surface at the inner peripheral edge portion 11a of the hub ring 11 of the second embodiment is left as above, and the convex curved surface at the outer peripheral edge portion 41a of the hub 4 is replaced with an inclined surface. Alternatively, when the inclined surface is replaced, the size of the inclined surface [the notch size C in the radial direction of the hub 43, Notch dimension C in the direction perpendicular to the radial direction (axial direction)Four] Is C 3 = 0.2 to 0.5 mm, CFour= 0.2 to 0.5 mm is preferable. Also in the above-mentioned tape cassette, the same effect as that of the first embodiment can be obtained.
【００１５】 尚、本考案は、上記実施例に制限されるものではなく、上記ハブリングの先端 の内周縁部又は／及び上記ハブの上記上部筒状凸部の先端の外周縁部を切欠き、 該内周縁部又は／及び外周縁部を傾斜面又は凸曲面となしてあれば良い。The present invention is not limited to the above embodiment, but the inner peripheral edge of the tip of the hub ring and / or the outer peripheral edge of the tip of the upper cylindrical protrusion of the hub is cut out. The inner peripheral edge portion and / or the outer peripheral edge portion may be formed as an inclined surface or a convex curved surface.
【００１６】[0016]
本考案のテープカセットは、カセットの組立時において、ハブリングの先端の 内周縁部がハブの上部筒状凸部の先端の外周縁部と当接した場合でも、組立不良 や、ハブの変形、ハブリングの削れ等の問題が生ずるおそれがない。 The tape cassette of the present invention, when the cassette is assembled, even if the inner peripheral edge of the tip of the hub ring comes into contact with the outer peripheral edge of the tip of the upper cylindrical convex portion of the hub, assembly failure, hub deformation, and hub ring There is no risk of problems such as chipping.
【図１】図１は本考案のテープカセットの一実施例の外
観を示す斜視図である。FIG. 1 is a perspective view showing the external appearance of an embodiment of a tape cassette of the present invention.
【図２】図２は図１に示す実施例におけるハブの収納状
態を示す拡大断面図である。FIG. 2 is an enlarged sectional view showing a housed state of the hub in the embodiment shown in FIG.
【図３】図３は本考案のテープカセットの第２の実施例
を示す図２相当図である。FIG. 3 is a view corresponding to FIG. 2 showing a second embodiment of the tape cassette of the present invention.
【図４】図４は従来のテープカセットの外観を示す図１
相当図である。FIG. 4 is an external view of a conventional tape cassette shown in FIG.
FIG.
【図５】図５は従来のテープカセットの図２相当図であ
る。FIG. 5 is a view corresponding to FIG. 2 of a conventional tape cassette.
【図６】図６の（ａ）〜（ｃ）は、従来のテープカセッ
トにおけるハブのカセット本体内への組込み方を示す、
図２に相当する断面図である。6 (a) to 6 (c) show how to incorporate a hub into a cassette body in a conventional tape cassette,
FIG. 3 is a sectional view corresponding to FIG. 2.
１ 上ハーフ １１ ハブリング ２ 下ハーフ ２１ ハブ支承凹部 ３ 磁気テープ ４ ハブ ４１ 上部筒状凸部 ４２ 下部筒状凸部 1 Upper Half 11 Hub Ring 2 Lower Half 21 Hub Recessed Recess 3 Magnetic Tape 4 Hub 41 Upper Cylindrical Convex 42 Lower Cylindrical Convex
Claims (1)
ングを設けると共に下ハーフに一対のハブ支承凹部を設
け、また、ハブの上部に上部筒状凸部を設けると共に下
部に下部筒状凸部を設けてあり、上記カセット本体内
に、磁気テープを巻回した一対の上記ハブを、それぞれ
上記上部筒状凸部を上記ハブリング内に嵌挿し且つ上記
下部筒状凸部を上記ハブ支承凹部内に嵌挿させて収納し
たテープカセットにおいて、 上記ハブリングの先端の内周縁部又は／及び上記ハブの
上記上部筒状凸部の先端の外周縁部を切欠き、該内周縁
部又は／及び外周縁部を傾斜面又は凸曲面となしたこと
を特徴とするテープカセット。1. A cassette body is provided with a pair of hub rings on an upper half thereof, a pair of hub bearing recesses is provided on a lower half thereof, an upper cylindrical projection is provided on an upper portion of the hub, and a lower cylindrical projection is provided on a lower portion of the hub. The cassette body is provided with a pair of the above-mentioned hubs wound with a magnetic tape, the upper cylindrical convex portion is fitted into the hub ring, and the lower cylindrical convex portion is inserted in the hub bearing concave portion. In the tape cassette inserted and stored, the inner peripheral edge portion of the tip of the hub ring or / and the outer peripheral edge portion of the tip of the upper cylindrical convex portion of the hub is cut out to form the inner peripheral edge portion and / or the outer peripheral edge portion. A tape cassette characterized in that the tape has an inclined surface or a convex curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993068724U JP2591285Y2 (en) | 1993-12-22 | 1993-12-22 | Tape cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993068724U JP2591285Y2 (en) | 1993-12-22 | 1993-12-22 | Tape cassette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0741776U true JPH0741776U (en) | 1995-07-21 |
| JP2591285Y2 JP2591285Y2 (en) | 1999-03-03 |
Family
ID=13382039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993068724U Expired - Lifetime JP2591285Y2 (en) | 1993-12-22 | 1993-12-22 | Tape cassette |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2591285Y2 (en) |
-
1993
- 1993-12-22 JP JP1993068724U patent/JP2591285Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2591285Y2 (en) | 1999-03-03 |
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