JPS55139664A - Automatic moving unit for tone arm - Google Patents
Automatic moving unit for tone armInfo
- Publication number
- JPS55139664A JPS55139664A JP4750179A JP4750179A JPS55139664A JP S55139664 A JPS55139664 A JP S55139664A JP 4750179 A JP4750179 A JP 4750179A JP 4750179 A JP4750179 A JP 4750179A JP S55139664 A JPS55139664 A JP S55139664A
- Authority
- JP
- Japan
- Prior art keywords
- tone arm
- cam
- working
- lever
- bracket
- 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
Abstract
PURPOSE: To realize miniature and simple structure by putting a tone arm into auto lead-in operation or auto return operation by using an exclusive driving motor.
CONSTITUTION: To play a record of 30cm in diameter, placing dial 17 at the 30cm position turns cam 16, so that upper part 16a will be farthest away from the freground-side end part of selector lever 12. Once the start switch of driving motor 7 is turned ON, body 8 of revolution starts turning counterclockwise and working piece 11a of microswitch 11 is detached from concave part 8b' of circumferential cam 8b; and projecting piece 12a at the center of lever 12 intrudes into cam concave part 8b' and turns being pulled by spring 14 to meet upper part 16a of cam 16. In addition, working lever 13 rotates clockwise and its working pin 13a presses working projecting piece 10a of bracket 10, thereby turning it clockwise. Therefore, tone arm axis 6 fixed to bracket 10 also rotates clockwise and at its stop position, tone arm 3 stops after being led onto the led-in groove of a record disk of 30cm in diameter.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4750179A JPS55139664A (en) | 1979-04-18 | 1979-04-18 | Automatic moving unit for tone arm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4750179A JPS55139664A (en) | 1979-04-18 | 1979-04-18 | Automatic moving unit for tone arm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55139664A true JPS55139664A (en) | 1980-10-31 |
Family
ID=12776851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4750179A Pending JPS55139664A (en) | 1979-04-18 | 1979-04-18 | Automatic moving unit for tone arm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55139664A (en) |
-
1979
- 1979-04-18 JP JP4750179A patent/JPS55139664A/en active Pending
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