JPH01159206U - - Google Patents
Info
- Publication number
- JPH01159206U JPH01159206U JP5640088U JP5640088U JPH01159206U JP H01159206 U JPH01159206 U JP H01159206U JP 5640088 U JP5640088 U JP 5640088U JP 5640088 U JP5640088 U JP 5640088U JP H01159206 U JPH01159206 U JP H01159206U
- Authority
- JP
- Japan
- Prior art keywords
- rotating
- drum
- armature
- cylinder
- bearing structure
- 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
- 230000036316 preload Effects 0.000 description 1
Description
第１図は本考案の回転ヘツドドラムの断面図、
第２図は同回転ヘツドドラムの回転軸の分解斜視
図、第３図は従来の回転ヘツドドラムの断面図で
ある。
１……上ドラム、２……下ドラム、３……電機
子、４……回転永久磁石、５……回転軸、５′…
…本考案の回転軸、６……予圧カラー、７……軸
受、８……デイスク、９……回転トランス、１０
……磁気ヘツド、１１……本考案の回転軸の円筒
部、１２……本考案の回転軸の軸部、１３……円
筒部と軸部を締付するねじ。
Figure 1 is a sectional view of the rotating head drum of the present invention.
FIG. 2 is an exploded perspective view of the rotating shaft of the rotary head drum, and FIG. 3 is a sectional view of the conventional rotary head drum. 1... Upper drum, 2... Lower drum, 3... Armature, 4... Rotating permanent magnet, 5... Rotating shaft, 5'...
...Rotating shaft of the present invention, 6... Preload collar, 7... Bearing, 8... Disc, 9... Rotating transformer, 10
...Magnetic head, 11... Cylindrical portion of the rotating shaft of the present invention, 12... Shaft portion of the rotating shaft of the present invention, 13... Screw for tightening the cylindrical portion and the shaft portion.
Claims (1)
造を有し、下部に電機子を備えている下ドラムと
、その上部に軸受構造と係合し、回転磁気ヘツド
をその胴壁部に具備する上ドラムと、電機子と対
になつている回転永久磁石を締結する回転自在で
、かつ円筒とその内部に軸を備える二重構造回転
軸とで構成される回転ヘツドドラム。 A lower drum having a bearing structure for a rotating head drum of a magnetic recording and reproducing device and having an armature at its lower part, and an upper drum which engages with a bearing structure at its upper part and has a rotating magnetic head on its body wall. , a rotary head drum which is rotatable and which fastens a rotating permanent magnet paired with an armature, and is composed of a cylinder and a double structure rotating shaft having a shaft inside the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5640088U JPH01159206U (en) | 1988-04-26 | 1988-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5640088U JPH01159206U (en) | 1988-04-26 | 1988-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01159206U true JPH01159206U (en) | 1989-11-02 |
Family
ID=31282280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5640088U Pending JPH01159206U (en) | 1988-04-26 | 1988-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01159206U (en) |
-
1988
- 1988-04-26 JP JP5640088U patent/JPH01159206U/ja active Pending