JPS5647950A - Tone arm driver - Google Patents
Tone arm driverInfo
- Publication number
- JPS5647950A JPS5647950A JP12106379A JP12106379A JPS5647950A JP S5647950 A JPS5647950 A JP S5647950A JP 12106379 A JP12106379 A JP 12106379A JP 12106379 A JP12106379 A JP 12106379A JP S5647950 A JPS5647950 A JP S5647950A
- Authority
- JP
- Japan
- Prior art keywords
- elevating
- driven member
- tone arm
- bobbin
- outer circumference
- 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
Abstract
PURPOSE: To attain high reliability and inexpensiveness by hermetically sealing a driven member for elevating rotation and a bobbin together with viscous oil and by coupling an elevating live spindle with the driven member.
CONSTITUTION: Elevating coil 27 wound around bobbin 26 made of a magnetic material is 1 arranged in the center and then driven member 31 made of a magnetic member surrounding the outer circumference of elevating coil 27 is also arranged. Elevating live spindle 23 penetrating bobbin 26 in the center is fixed to driven member 31 and magnet 32 magnetized into poles N and S is fixed to the outer circumference of driven member 31 and hermetically sealed in oil tank 33 equipped with rotary winding 34 together with viscous oil. Elevating driving shaft 23 for ascent and descent can be applied with vertical power for elevating the tone arm and turning force for turning the tone arm.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12106379A JPS5647950A (en) | 1979-09-20 | 1979-09-20 | Tone arm driver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12106379A JPS5647950A (en) | 1979-09-20 | 1979-09-20 | Tone arm driver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5647950A true JPS5647950A (en) | 1981-04-30 |
JPS6238761B2 JPS6238761B2 (en) | 1987-08-19 |
Family
ID=14801914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12106379A Granted JPS5647950A (en) | 1979-09-20 | 1979-09-20 | Tone arm driver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5647950A (en) |
-
1979
- 1979-09-20 JP JP12106379A patent/JPS5647950A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6238761B2 (en) | 1987-08-19 |
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