JPS54147021A - Video head durm - Google Patents
Video head durmInfo
- Publication number
- JPS54147021A JPS54147021A JP5495978A JP5495978A JPS54147021A JP S54147021 A JPS54147021 A JP S54147021A JP 5495978 A JP5495978 A JP 5495978A JP 5495978 A JP5495978 A JP 5495978A JP S54147021 A JPS54147021 A JP S54147021A
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- protrusion
- drum
- fixed
- revolving shaft
- 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
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
PURPOSE: To enable a rotary head drum to be readily fixed to a revolving shaft without causing its axial deviation by using a sleeve which has a protrusion.
CONSTITUTION: A sleeve 10 composed of phosphor bronze or other is press-fixed into a hole 2d through which the revolving shaft 9 of a rotary head drum 2 penetrates. In addition, the bottom end of the sleeve 10 is detained to the bearing 1a of a lower guide drum 1. The upper part of this sleeve 10 is formed with an arc form protrusion 10a along its circumference direction. A pair of tightening plates 11 and 12 are fitted onto this protrusion 10a. At the time of mounting the drum 2, the sleeve 10 is fitted onto the revolving shaft 9, thence screws 13 are tightened, by which the tightening plates 11, 12 are finely adjusted in the mutually proximate direction. As a result, even force is applied in the perpendicular direction to the surface of the protrusion 10a, whereby reduction of inside diameter is caused and the drum 2 is fixed to the shaft 9 without displacing the central axis of the sleeve 10.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5495978A JPS5831652B2 (en) | 1978-05-11 | 1978-05-11 | video head drum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5495978A JPS5831652B2 (en) | 1978-05-11 | 1978-05-11 | video head drum |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54147021A true JPS54147021A (en) | 1979-11-16 |
JPS5831652B2 JPS5831652B2 (en) | 1983-07-07 |
Family
ID=12985199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5495978A Expired JPS5831652B2 (en) | 1978-05-11 | 1978-05-11 | video head drum |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5831652B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56131540U (en) * | 1980-03-06 | 1981-10-06 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62237631A (en) * | 1986-04-08 | 1987-10-17 | 日本電気株式会社 | Electromagnetic relay |
JPH0729047U (en) * | 1993-10-29 | 1995-06-02 | 日立造船株式会社 | Cleaning device for guide groove for boat guidance |
-
1978
- 1978-05-11 JP JP5495978A patent/JPS5831652B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56131540U (en) * | 1980-03-06 | 1981-10-06 |
Also Published As
Publication number | Publication date |
---|---|
JPS5831652B2 (en) | 1983-07-07 |
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