【図面の簡単な説明】[Brief explanation of the drawing]
第１図は本案の斜視図、第２図は本案のリール
部拡大による平面図、第３図は上記平面図による
ところの正面図、第４図は本案の調節部分に於け
る断面図、第５図は本案の制御部分に於ける断面
図。
１……回転受けヅメ、２……巻取りドラム、３
……連動板、４……連結用凸部、５……ピン軸受
、６……調節用ボタン、７……支ヘバネ、８……
バネ支点、９……制御ピン、１０……リングピン
、１１……切り抜き窓、１２……テープ、１３…
…引戸、１４……テープ止溝。
Fig. 1 is a perspective view of the present invention, Fig. 2 is an enlarged plan view of the reel portion of the present invention, Fig. 3 is a front view based on the above plan view, Fig. 4 is a sectional view of the adjustment part of the present invention, Figure 5 is a sectional view of the control section of the present invention. 1... Rotation receiver, 2... Winding drum, 3
...Interlocking plate, 4...Connecting convex portion, 5...Pin bearing, 6...Adjustment button, 7...Support spring, 8...
Spring fulcrum, 9... Control pin, 10... Ring pin, 11... Cutout window, 12... Tape, 13...
...Sliding door, 14...Tape groove.
補正 平３．１０．４
考案の名称を次のように補正する。
考案の名称 磁気テープカセツト
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment 3.10.4 The name of the invention is amended as follows. Name of the invention: Magnetic tape cassette The claims for utility model registration and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
(1) カセツトケース１内に、回転可能に設けら
れた一対のリール３，４に磁気テープ２が巻装さ
れて収納されている磁気テープカセツトにおいて
、前記リールの一方に係止用凸部１５のある凹所
１３を画成し、該凹所１３内に円環状の連動板５
を回転自在に嵌入して備え、該連動板５に前記係
止用凸部１５に係脱する調節ボタン６と、テープ
２に接触し、テープの繰り出しが阻止できる略コ
字状の制御ピン７とを備えると共に、前記調節ボ
タン６を昇降操作できる窓孔１４と、該窓孔１４
を開閉できるシヤツタ１４１とを前記ケース１に
配備したことを特徴とする磁気テープカセツト。
(2) 前記凹所１３のあるリール３が、テープ２
を巻装しうる円筒状の外筒壁３１と、中心穴を画
成する円筒状の内筒壁３２とからなり、この内外
筒壁間に凹所１３を形成すると共に、前記外筒壁
内周に半径方向に張り出した係止用凸部１５を等
間隔に複数備えた実用新案登録請求の範囲第１項
記載の磁気テープカセツト。
(3) 前記連動板５が、前記リール３に形成され
た内筒壁３２に緩く嵌合され、該内筒壁３２に嵌
め込まれたリングピン１６で上下方向に位置決め
されているものである実用新案登録請求の範囲第
１項または第２項記載の磁気テープカセツト。
(4) 前記調節ボタン６が、支えバネ６１でバネ
支点６２を介して弾性力で昇降自在に前記連動板
５に備えられ、前記係止用凸部１５に係脱するも
のである実用新案登録請求の範囲第１〜３項のい
ずれか一つの項記載の磁気テープカセツト。
(5) 前記制御ピン７が、前記連動板５に形成し
たピン受部７３に回動自在に軸支されたものであ
つて、リールの半径方向に延在する部分７１と、
巻装されたテープの外周側で前記リールの回転軸
心に平行な部分７２とを有しているものである実
用新案登録請求の範囲第１〜３項記載のいずれか
一つの項記載の磁気テープカセツト。[Claims for Utility Model Registration] (1) A magnetic tape cassette in which a magnetic tape 2 is wound around a pair of rotatably provided reels 3 and 4 and stored in a cassette case 1, A recess 13 with a locking convex portion 15 is defined on one side, and an annular interlocking plate 5 is disposed within the recess 13.
The interlocking plate 5 includes an adjustment button 6 that engages and disengages from the locking projection 15, and a substantially U-shaped control pin 7 that contacts the tape 2 and prevents the tape from being fed out. and a window hole 14 through which the adjustment button 6 can be raised and lowered, and the window hole 14
A magnetic tape cassette characterized in that the case 1 is provided with a shutter 141 that can be opened and closed. (2) The reel 3 with the recess 13 is connected to the tape 2
It consists of a cylindrical outer cylinder wall 31 that can be wrapped around the inner cylinder wall 32, and a cylindrical inner cylinder wall 32 that defines a center hole. A magnetic tape cassette according to claim 1, which is provided with a plurality of locking protrusions 15 extending in the radial direction on the inner periphery of the wall at equal intervals. (3) The interlocking plate 5 is loosely fitted into an inner cylindrical wall 32 formed on the reel 3, and is positioned in the vertical direction by a ring pin 16 fitted into the inner cylindrical wall 32 . A magnetic tape cassette according to claim 1 or 2 of a certain utility model registration claim. (4) Practical use in which the adjustment button 6 is provided on the interlocking plate 5 so as to be freely raised and lowered by elastic force via a spring fulcrum 62 with a support spring 61 , and is engaged with and disengaged from the locking convex portion 15. A magnetic tape cassette as claimed in any one of claims 1 to 3. (5) the control pin 7 is rotatably supported by a pin receiving portion 73 formed on the interlocking plate 5, and a portion 71 extending in the radial direction of the reel;
A utility model according to any one of claims 1 to 3, which has a portion 72 parallel to the rotation axis of the reel on the outer peripheral side of the wound tape. Magnetic tape cassette.
【図面の簡単な説明】
図面は本考案の実施例を示し、第１図は使用状
態の平面図、第２図はテープカセツトのリール部
の拡大平面図で、Ａはテープ長さ調節機構が作動
していない状態を示し、Ｂはテープ長さ調節機構
が作動している状態を示す。第３図は第２図Ａの
ａ−ａ線における縦断面図、第４図は第２図のｂ
−ｂ線における縦断面図、第５図は制御ピンの作
動状態を説明するリール部の拡大平面図で、Ａは
制御ピンがテープに係合した状態を示し、Ｂは制
御ピンがテープに巻き込まれる状態を示す。第６
図は調節ボタンとシヤツタとの関係状態を示すロ
ツク機構の拡大縦断面図である。第７図は制御ピ
ンの変形例を示す縦断面図である。
１……ケース、２……テープ、３，４……リー
ル、５……連動板、６……調節ボタン、６１……
支えバネ、６２……バネ支点、７……調節ボタン
、７２……先端部分、７３……ピン受部、１０…
…テープ固定部、１３……凹所、１４……窓孔、
１４１……シヤツタ、１５……係止用凸部、１６
……リングピン。[Brief Description of the Drawings] The drawings show an embodiment of the present invention. Figure 1 is a plan view of the device in use, Figure 2 is an enlarged plan view of the reel of the tape cassette, and A shows the tape length adjustment mechanism. B shows a state in which the tape length adjustment mechanism is in operation; Figure 3 is a vertical cross-sectional view taken along line a-a in Figure 2A, and Figure 4 is a longitudinal cross-sectional view taken along line a-a in Figure 2
Fig. 5 is an enlarged plan view of the reel section to explain the operating state of the control pin, A shows the state in which the control pin is engaged with the tape, and B shows the state in which the control pin is caught in the tape. Indicates the state in which 6th
The figure is an enlarged longitudinal sectional view of the lock mechanism showing the relationship between the adjustment button and the shutter. FIG. 7 is a longitudinal sectional view showing a modification of the control pin. 1... Case, 2... Tape, 3, 4... Reel, 5... Interlocking plate, 6... Adjustment button, 6 1 ...
Support spring, 6 2 ... Spring fulcrum, 7 ... Adjustment button, 7 2 ... Tip part, 7 3 ... Pin receiver, 10 ...
... Tape fixing part, 13 ... Recess, 14 ... Window hole,
14 1 ... Shutter, 15... Locking protrusion, 16
...Ring pin.