JPH0197431U - - Google Patents
Info
- Publication number
- JPH0197431U JPH0197431U JP19325387U JP19325387U JPH0197431U JP H0197431 U JPH0197431 U JP H0197431U JP 19325387 U JP19325387 U JP 19325387U JP 19325387 U JP19325387 U JP 19325387U JP H0197431 U JPH0197431 U JP H0197431U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- base
- drum base
- diagonally
- attachment part
- 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
- 238000003754 machining Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図は本考案の実施例を示す断面図、第２図
は同実施例の下ドラム取付部分の平面図、第３図
は従来例の断面図、第４図は従来例の下ドラム取
付部分の平面図である。
１…下ドラム、１ａ…下ドラム外周面、１ｂ…
ヘリカルリード面、１ｃ…下ドラムヘリカルリー
ドの加工の基準穴、１ｄ…チヤツク面、２…上ド
ラム、３…磁気ヘツド、４…デイスク、５…軸付
軸受け、６…ロータリートランスローター、７…
ロータリートランスステーター、８…カラー、９
…ドラムモーターステーター、１０…ドラムモー
ターローター、１１…ドラムベース、１１ａ…ド
ラムベース取付穴、１２…位置決めピン、１３…
シヤーシー。
Figure 1 is a sectional view showing an embodiment of the present invention, Figure 2 is a plan view of the lower drum attachment part of the same embodiment, Figure 3 is a sectional view of the conventional example, and Figure 4 is the lower drum attachment of the conventional example. FIG. 1... Lower drum, 1a... Lower drum outer peripheral surface, 1b...
Helical lead surface, 1c...Reference hole for machining lower drum helical lead, 1d...Chuck surface, 2...Upper drum, 3...Magnetic head, 4...Disk, 5...Shaft bearing, 6...Rotary transformer, 7...
Rotary transformer stator, 8...Color, 9
...Drum motor stator, 10...Drum motor rotor, 11...Drum base, 11a...Drum base mounting hole, 12...Positioning pin, 13...
Shayashi.
Claims (1)
再生を行なうヘリカルスキヤン方式の回転ドラム
において、回転ドラムをシヤーシに対して斜めに
取付ける為のドラムベースを有し、このドラムベ
ースの斜面の中心と同軸に設けられたドラムベー
ス取付部内径と、回転ドラムの下ドラムのテープ
走行面の外径と同軸に設けられた下ドラム取付部
外径とが微小すきまにより嵌合しかつ、下ドラム
のテープ走行の為の斜めの溝を加工する為の位置
決めとなる基準穴と、同一半径上に一致する前記
基準穴よりも直径の小さいピンをドラムベースに
設けた事を特徴とする回転ドラムの位置決め機構
。 A helical scan type rotating drum in which a magnetic head rotates and records and plays diagonally on a magnetic tape has a drum base for mounting the rotating drum diagonally to the chassis, and the drum base is coaxial with the center of the slope of the drum base. The inner diameter of the drum base attachment part provided on the rotary drum and the outer diameter of the lower drum attachment part provided coaxially with the outer diameter of the tape running surface of the lower drum of the rotary drum fit together with a small gap, and the tape running surface of the lower drum A positioning mechanism for a rotating drum, characterized in that a drum base is provided with a reference hole for positioning for machining a diagonal groove for processing, and a pin having a smaller diameter than the reference hole that coincides with the same radius on the drum base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19325387U JPH0197431U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19325387U JPH0197431U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197431U true JPH0197431U (en) | 1989-06-28 |
Family
ID=31484059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19325387U Pending JPH0197431U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197431U (en) |
-
1987
- 1987-12-18 JP JP19325387U patent/JPH0197431U/ja active Pending
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