JPS61170132U - - Google Patents
Info
- Publication number
- JPS61170132U JPS61170132U JP5428685U JP5428685U JPS61170132U JP S61170132 U JPS61170132 U JP S61170132U JP 5428685 U JP5428685 U JP 5428685U JP 5428685 U JP5428685 U JP 5428685U JP S61170132 U JPS61170132 U JP S61170132U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- drive
- reel
- support shaft
- drive gear
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Gear Transmission (AREA)
- Structure Of Transmissions (AREA)
- Transmission Devices (AREA)
Description
第１図はこの考案に係る磁気記録再生装置の実
施例を示す要部平面図、第２図は第１図の―
断面図、第３図は死点解除を説明する歯車の概略
平面図、第４図は死点解除パルス供給手段を示す
ブロツク図、第５図はモータの駆動状態を説明す
るタイムチヤート、第６図はテープアンローデイ
ング時における磁気記録再生装置の平面図である
。
１……固定ベース、１８……巻取りリール、２
０，２１……リール歯車、２２……中間歯車、２
３……中間歯車の支軸、２６……首振アーム、２
４……駆動歯車、５２……駆動モータの駆動回路
、５４……死点解除パルス供給回路。
FIG. 1 is a plan view of the main part showing an embodiment of the magnetic recording/reproducing device according to this invention, and FIG.
3 is a schematic plan view of a gear explaining dead center cancellation, FIG. 4 is a block diagram showing a dead center cancellation pulse supply means, FIG. 5 is a time chart explaining the driving state of the motor, and FIG. The figure is a plan view of the magnetic recording and reproducing apparatus during tape unloading. 1...Fixed base, 18...Take-up reel, 2
0, 21... Reel gear, 22... Intermediate gear, 2
3... Support shaft of intermediate gear, 26... Oscillating arm, 2
4... Drive gear, 52... Drive circuit for drive motor, 54... Dead center release pulse supply circuit.
Claims (1)
ル歯車と、 該リール歯車に噛合し、自由な支軸を有する中
間歯車と、 該中間歯車と噛合し、かつ、固定ベースに軸着
される駆動歯車と、 該駆動歯車の支軸と前記中間歯車の支軸とを連
結する首振アームと、 前記駆動歯車を駆動する駆動モータとを有し、 該駆動モータの駆動回路には、操作時に前記リ
ール歯車の軸と前記中間歯車の軸とを所定距離だ
け離間させるべく前記駆動歯車の回動を図る駆動
パルスを供給する死点解除パルス供給手段が設け
られたことを特徴とする磁気記録再生装置におけ
るリールの駆動歯車死点解除装置。[Scope of Claim for Utility Model Registration] A reel gear that is pivotally supported around the rotation center of the reel, an intermediate gear that meshes with the reel gear and has a free support shaft, and meshes with the intermediate gear, and It has a drive gear pivotally attached to a fixed base, an oscillating arm that connects a support shaft of the drive gear and a support shaft of the intermediate gear, and a drive motor that drives the drive gear, and a drive motor that drives the drive gear. The drive circuit is provided with dead center release pulse supply means for supplying a drive pulse for rotating the drive gear so as to separate the axis of the reel gear and the axis of the intermediate gear by a predetermined distance during operation. A drive gear dead center release device for a reel in a magnetic recording and reproducing device, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5428685U JPH0753150Y2 (en) | 1985-04-13 | 1985-04-13 | Reel drive gear dead center canceling device in magnetic recording / reproducing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5428685U JPH0753150Y2 (en) | 1985-04-13 | 1985-04-13 | Reel drive gear dead center canceling device in magnetic recording / reproducing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61170132U true JPS61170132U (en) | 1986-10-22 |
| JPH0753150Y2 JPH0753150Y2 (en) | 1995-12-06 |
Family
ID=30575904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5428685U Expired - Lifetime JPH0753150Y2 (en) | 1985-04-13 | 1985-04-13 | Reel drive gear dead center canceling device in magnetic recording / reproducing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753150Y2 (en) |
-
1985
- 1985-04-13 JP JP5428685U patent/JPH0753150Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753150Y2 (en) | 1995-12-06 |
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