JPH0361631U - - Google Patents
Info
- Publication number
- JPH0361631U JPH0361631U JP11978289U JP11978289U JPH0361631U JP H0361631 U JPH0361631 U JP H0361631U JP 11978289 U JP11978289 U JP 11978289U JP 11978289 U JP11978289 U JP 11978289U JP H0361631 U JPH0361631 U JP H0361631U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- stator
- holder
- lower drum
- rotor
- 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
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第1図は本考案の回転ヘツドドラム装置の一実
施例を示す部分断面正面図、第2図はPGセンサ
の素子の取付状態を説明する斜視図、第3図は回
転ヘツドドラム装置の底面図、第4図は従来の回
転ヘツドドラム装置の一例を示す中央縦断面図、
第5図はその底面図、第6図はDD方式サーボの
一例を示す原理図である。
1…上ドラム、3…ドラム軸、7…下ドラム、
8…ステータ基板、13…モータ、15…PG、
16…PGマグネツト、17…PGセンサ、20
…ビス(ホルダと一体の突出部)、27…位置決
め穴。
Fig. 1 is a partially sectional front view showing an embodiment of the rotary head drum device of the present invention, Fig. 2 is a perspective view illustrating the mounting state of the PG sensor element, and Fig. 3 is a bottom view of the rotary head drum device. Figure 4 is a central vertical sectional view showing an example of a conventional rotating head drum device;
FIG. 5 is a bottom view thereof, and FIG. 6 is a principle diagram showing an example of a DD type servo. 1... Upper drum, 3... Drum shaft, 7... Lower drum,
8... Stator board, 13... Motor, 15... PG,
16...PG magnet, 17...PG sensor, 20
...screw (protruding part integrated with the holder), 27...positioning hole.
補正 平2.1.17
図面の簡単な説明を次のように補正する。
明細書第13頁第14行の「第5図はその底面
図、」を「第5図はその底面図である。」と補正
する。
明細書第13頁第14行〜同頁第15行の「第
6図は…原理図である。」を削除する。Amendment 2.1.17 Hei 2.1.17 The brief description of the drawing is amended as follows. "FIG. 5 is a bottom view of the same" on page 13, line 14 of the specification is corrected to "FIG. 5 is a bottom view of the same." ``Figure 6 is a diagram of the principle.'' from page 13, line 14 to line 15 of page 13 of the specification is deleted.
Claims (1)
上記ドラム軸と一体的に回転すると共に回転ヘツ
ドを配設した上ドラムと、上記下ドラムの底面に
近接して取付けたステータ基板を有するステータ
と上記ドラム軸に固定されたロータから成るモー
タと、上記ロータの外周面に取付けたPGマグネ
ツトと、このPGマグネツトに近接対向するPG
センサを配設したホルダとを具備してなり、上記
ホルダは上記ステータ基板に結合部材により固着
され、この結合部材を含む上記ホルダと一体の突
出部は上記ステータ基板の上記下ドラム側に突出
し、上記下ドラムは上記突出部の嵌合を許容する
位置決め用穴を穿設してなる回転ヘツドドラム装
置。 a lower drum in which the drum shaft is rotatably held;
a motor consisting of an upper drum that rotates integrally with the drum shaft and is provided with a rotating head; a stator that has a stator board attached close to the bottom surface of the lower drum; and a rotor that is fixed to the drum shaft; A PG magnet attached to the outer peripheral surface of the rotor, and a PG close to and opposite to this PG magnet.
a holder on which a sensor is disposed, the holder is fixed to the stator substrate by a coupling member, a protruding portion integral with the holder including the coupling member protrudes toward the lower drum side of the stator substrate; A rotary head drum device in which the lower drum is provided with a positioning hole for allowing the protrusion to fit therein.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11978289U JPH0739073Y2 (en) | 1989-10-16 | 1989-10-16 | Rotating head drum device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11978289U JPH0739073Y2 (en) | 1989-10-16 | 1989-10-16 | Rotating head drum device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0361631U true JPH0361631U (en) | 1991-06-17 |
JPH0739073Y2 JPH0739073Y2 (en) | 1995-09-06 |
Family
ID=31667885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11978289U Expired - Lifetime JPH0739073Y2 (en) | 1989-10-16 | 1989-10-16 | Rotating head drum device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0739073Y2 (en) |
-
1989
- 1989-10-16 JP JP11978289U patent/JPH0739073Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0739073Y2 (en) | 1995-09-06 |
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