JPH0255421U - - Google Patents
Info
- Publication number
- JPH0255421U JPH0255421U JP13057288U JP13057288U JPH0255421U JP H0255421 U JPH0255421 U JP H0255421U JP 13057288 U JP13057288 U JP 13057288U JP 13057288 U JP13057288 U JP 13057288U JP H0255421 U JPH0255421 U JP H0255421U
- Authority
- JP
- Japan
- Prior art keywords
- back tension
- slide member
- support arm
- capstan
- pinch roller
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は実施例の構成の要部を示す図、第２図
は検出手段の一例を示す図、第３図はカムギアの
回転角とストローク（中心軸と遊嵌ピンとの距離
）との関係を示す図、第４図、第５図、第６図、
第７図及び第８図はカムギアの回転に伴う、ピン
チローラ等の動作状態の変化を模式的に示す図で
ある。
６……磁気テープ、７……キヤプスタン、８…
…ピンチローラ、９……支持アーム、１７……発
条、２０……バツクテンシヨンポスト、２１……
バツクテンシヨンアーム、２４……検出手段、２
５……スライド部材、２６……カムギア（駆動手
段）、２８……モータ（駆動手段）、２９……ウ
オームギア（駆動手段）、４１……制御手段。
Fig. 1 is a diagram showing the main part of the configuration of the embodiment, Fig. 2 is a diagram showing an example of the detection means, and Fig. 3 is the relationship between the rotation angle of the cam gear and the stroke (distance between the central axis and the loosely fitted pin). Figures 4, 5, 6,
FIGS. 7 and 8 are diagrams schematically showing changes in the operating states of the pinch rollers and the like as the cam gear rotates. 6...magnetic tape, 7...capstan, 8...
...Pinch roller, 9... Support arm, 17... Spring, 20... Back tension post, 21...
Back tension arm, 24...detection means, 2
5... Slide member, 26... Cam gear (driving means), 28... Motor (driving means), 29... Worm gear (driving means), 41... Control means.
Claims (1)
、該支持アームの一端に配され、該支持アームの
回動に応じて、キヤプスタンに圧接される圧接位
置と、前記キヤプスタンから離間される離間位置
との間で移動せしめられるピンチローラと、基台
にスライド可能に支持されるスライド部材と、該
スライド部材をスライドせしめる駆動手段と、前
記支持アームと前記スライド部材との間に張架さ
れ、前記スライド部材のスライドに応じて、前記
ピンチローラを前記キヤプスタンへ圧接せしめる
様に、前記支持アームを回動付勢する発条と、前
記駆動手段の駆動を制御する制御手段と、基台に
回動可能に軸支され、一端に磁気テープと当接す
るバツクテンシヨンポストが植設されるバツクテ
ンシヨンアームとを備える磁気記録再生装置にお
いて、 前記バツクテンシヨンアームの回動を検出する
検出手段を設けられると共に、該検出手段により
検出される前記バツクテンシヨンアームの回動に
応じて、前記制御手段は前記駆動手段を駆動し、
前記スライド部材のスライド位置を変更する構成
とすることを特徴とするピンチローラ圧着機構。[Claims for Utility Model Registration] A support arm rotatably supported by the chassis; a pressure contact position disposed at one end of the support arm and pressed against the capstan as the support arm rotates; a pinch roller that is moved between a separated position separated from the capstan; a slide member that is slidably supported on a base; a drive means that slides the slide member; the support arm and the slide member; and a control means for controlling the drive of the drive means, which is stretched between the springs and biases the support arm so as to press the pinch roller against the capstan in response to the slide of the slide member. and a back tension arm rotatably supported on a base and having a back tension post implanted at one end that contacts the magnetic tape, wherein the back tension arm is rotated. is provided with a detection means for detecting the movement of the back tension arm, and the control means drives the drive means in accordance with the rotation of the back tension arm detected by the detection means;
A pinch roller crimping mechanism, characterized in that the slide position of the slide member is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13057288U JPH0255421U (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13057288U JPH0255421U (en) | 1988-10-05 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255421U true JPH0255421U (en) | 1990-04-20 |
Family
ID=31385861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13057288U Pending JPH0255421U (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255421U (en) |
-
1988
- 1988-10-05 JP JP13057288U patent/JPH0255421U/ja active Pending
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