JPS554717A - Pickup device - Google Patents
Pickup deviceInfo
- Publication number
- JPS554717A JPS554717A JP7584578A JP7584578A JPS554717A JP S554717 A JPS554717 A JP S554717A JP 7584578 A JP7584578 A JP 7584578A JP 7584578 A JP7584578 A JP 7584578A JP S554717 A JPS554717 A JP S554717A
- Authority
- JP
- Japan
- Prior art keywords
- tone arm
- arm
- vertical direction
- bearing part
- spring material
- 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 reduce the equivalent mass of a tone arm device by providing a spring material, which limits the movement of the tone arm in the vertical direction, near the bearing part of the tone arm between the tone arm and the horizontal rotation bearing part.
CONSTITUTION: Spring material 6 is stored in cylindrical case 9 fixed to support arm5, and meanwhile, screw 7 is stored in cylindrical case 10 fixed to support arm 4. Then, finger-screw 8 and arm 4 are provided with a scale and an index respectively to connect directly the set of a stylus pressure value. Now, the spring constant of spring material 6 is so selected that the index pressure may be changed by 7% or more for the change of 2mm in the vertical direction of the pickup stylus. By this constitution, the balance is kept in the vertical direction, but the balance is lost in the horizontal direction. So, lateral balance weight 25 is provided in horizontal rotation bearing part 2. Thus, the equivalent mass of the tone arm can be reduced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7584578A JPS554717A (en) | 1978-06-22 | 1978-06-22 | Pickup device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7584578A JPS554717A (en) | 1978-06-22 | 1978-06-22 | Pickup device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554717A true JPS554717A (en) | 1980-01-14 |
Family
ID=13587943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7584578A Pending JPS554717A (en) | 1978-06-22 | 1978-06-22 | Pickup device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554717A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179219U (en) * | 1983-05-17 | 1984-11-30 | マツダ株式会社 | Monolithic catalyst holding device |
JPS60107313U (en) * | 1983-12-21 | 1985-07-22 | マツダ株式会社 | catalytic converter |
JPS61286514A (en) * | 1985-06-12 | 1986-12-17 | ワツカ−・ケミ−・ゲゼルシヤフト ミツト・ベシユレンクテル・ハフツング | Heat insulator for exhaust system with contact converter |
JPS6466412A (en) * | 1987-08-17 | 1989-03-13 | Minnesota Mining & Mfg | Catalyst type converter for exhaust gas from automobile |
JPH06288232A (en) * | 1993-04-05 | 1994-10-11 | Nippon Steel Corp | Tandem metal support |
-
1978
- 1978-06-22 JP JP7584578A patent/JPS554717A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179219U (en) * | 1983-05-17 | 1984-11-30 | マツダ株式会社 | Monolithic catalyst holding device |
JPH018650Y2 (en) * | 1983-05-17 | 1989-03-08 | ||
JPS60107313U (en) * | 1983-12-21 | 1985-07-22 | マツダ株式会社 | catalytic converter |
JPS61286514A (en) * | 1985-06-12 | 1986-12-17 | ワツカ−・ケミ−・ゲゼルシヤフト ミツト・ベシユレンクテル・ハフツング | Heat insulator for exhaust system with contact converter |
JPS6466412A (en) * | 1987-08-17 | 1989-03-13 | Minnesota Mining & Mfg | Catalyst type converter for exhaust gas from automobile |
JPH06288232A (en) * | 1993-04-05 | 1994-10-11 | Nippon Steel Corp | Tandem metal support |
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