【図面の簡単な説明】[Brief explanation of drawings]
第１図は本考案の磁気ヘッドブロックの一実施例であっ
て、第２９図から磁気ディスクを取り除いた状態を示す
平面図、第２図は録音・再生終了位置に置かれたヘッド
ブ冶ツクを示す平面図、第３図はヘッドブロックの要部
平面図、第４図は板バネパッドをヘッドブロックに装着
したときの第３図中のＣ−Ｃ線断面図、第５図は第３図
中のＤ一Ｄ線断面図、第６図は全舞動作領域規制兼用ス
イッチの一例を示す分解斜視図、第７図は同上のスイッ
チオン状態を示す底面図、第８図は全舞駆動源と調整手
段を示す第３０図中のＢ−Ｂ線断面図、第９図はプリン
ト基板を要部のみ示す平面図、第１０図は板バネパッド
支持構造の要部を示す分解斜視図、第１１図はヘッドブ
ロックの平面図、第１２図は同底面図、第１３図は板バ
ネパッド支持構造を装着されたヘッドブロックの右側面
図、第１４図は消去ヘッドの出入機構が再生モードに置
かれた状態を示す、第１７図中のＡ−Ａ線断面図、第１
５図（ま同上の録音モードを示す断面図、第１６図は全
舞動作領域規制兼用スイッチのスイッチオフ状態を示す
底面図、第１７図は本考案を適用した磁気録音再生装置
を示す底面図、第１８図は同上の全舞巻上時の状態を示
す平面図、第１９図は消去ヘッドの出入機構を装着゜さ
れたヘッドグロツクの底面図、第２０図は長尺状板ばね
の側面図、第２１図は同上の平面図、第２２図はモード
切換部材の平面図、第２３図は同上の底面図、第２４図
は第２３図中のＥ−Ｅ線断面図、第２５図は第２３図の
要部左側面図、第２６図は第２３図を矢印Ｆ方向から見
た正面図、第２７図は全舞収納部を示す底面図、第２８
図は全舞巻込口を示す倒伏正面図、第２９図は本考案を
適用した磁気録音再生装置の一例を示す平面図、第３０
図はヘッドブロックと全舞駆動源と調整手段とを示して
いて、全舞解放状態を示す平面図、第３１図は板バネパ
ッドとヘッドブロックを示す側面図、第３２図は第１７
図中のＧ−Ｇ線断面図、第３３図は自由状態のストッパ
を示す側面爾、第３４図は規制部の変形例を示す要部正
面図、第３５図はケースの平面図、第３６図は同上の底
面図、第３７図は規制手段を形成された中ケースを示す
底面図、第３８図は同上の平面図、第３９図は第３７図
中のＨ−Ｈ線断面図、第４０図は第３７図を矢印１方向
から見た正面図である。
１０・・・磁気ヘッドブロック、１１・・・側縁、１２
・・・第１基準面、２４・・・第２基準面、４２・・・
第２摺接部、４３・・・弾性腕、４５・・・第１摺接部
、３６・・・磁気ヘッド、３８・・・消去ヘッド。Fig. 1 is a plan view showing one embodiment of the magnetic head block of the present invention, with the magnetic disk removed from Fig. 29, and Fig. 2 shows the head block placed at the recording/playback end position. FIG. 3 is a plan view of the main part of the head block, FIG. 4 is a sectional view taken along the line C-C in FIG. 3 when the leaf spring pad is attached to the head block, and FIG. FIG. 6 is an exploded perspective view showing an example of the full-movement area regulation switch, FIG. 7 is a bottom view showing the same switch on state, and FIG. 8 is a full-movement drive source. 30 is a sectional view taken along the line B-B in FIG. 30 showing the adjustment means; FIG. 9 is a plan view showing only the main parts of the printed circuit board; FIG. 10 is an exploded perspective view showing the main parts of the leaf spring pad support structure; FIG. 12 is a top view of the head block, FIG. 12 is a bottom view of the head block, FIG. 13 is a right side view of the head block with the leaf spring pad support structure attached, and FIG. 14 shows the erasing head in/out mechanism placed in playback mode. A sectional view taken along the line A-A in FIG. 17 showing the state, the first
Figure 5 (a sectional view showing the same recording mode as above, Figure 16 is a bottom view showing the switch OFF for controlling the full range of motion, and Figure 17 is a bottom view showing the magnetic recording and reproducing device to which the present invention is applied) , Fig. 18 is a plan view showing the state of the same as above when it is fully wound, Fig. 19 is a bottom view of the head lock equipped with the erasing head in/out mechanism, and Fig. 20 is a side view of the elongated leaf spring. , FIG. 21 is a plan view of the same as above, FIG. 22 is a plan view of the mode switching member, FIG. 23 is a bottom view of the same as above, FIG. 24 is a sectional view taken along line E-E in FIG. 23, and FIG. Fig. 23 is a left side view of the main part, Fig. 26 is a front view of Fig. 23 seen from the direction of arrow F, Fig. 27 is a bottom view showing the full storage section, Fig. 28
Figure 29 is a flattened front view showing the full winding opening, Figure 29 is a plan view showing an example of a magnetic recording and reproducing device to which the present invention is applied, and Figure 30 is
The figures show the head block, the full swing drive source, and the adjusting means, and are a plan view showing the full swing release state, FIG. 31 is a side view showing the leaf spring pad and the head block, and FIG. 32 is the 17th
33 is a side view showing the stopper in a free state, FIG. 34 is a front view of main parts showing a modified example of the regulating part, FIG. 35 is a plan view of the case, and FIG. The figure is a bottom view of the same as above, FIG. 37 is a bottom view showing the inner case in which the regulating means is formed, FIG. 38 is a plan view of the same as above, FIG. FIG. 40 is a front view of FIG. 37 viewed from the direction of arrow 1. 10...Magnetic head block, 11...Side edge, 12
...First reference surface, 24...Second reference surface, 42...
Second sliding contact part, 43... Elastic arm, 45... First sliding contact part, 36... Magnetic head, 38... Erasing head.