JPS554717A - Pickup device - Google Patents

Pickup device

Info

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
Application number
JP7584578A
Other languages
Japanese (ja)
Inventor
Makoto Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
R & D Off Makoto kk
Original Assignee
R & D Off Makoto kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by R & D Off Makoto kk filed Critical R & D Off Makoto kk
Priority to JP7584578A priority Critical patent/JPS554717A/en
Publication of JPS554717A publication Critical patent/JPS554717A/en
Pending legal-status Critical Current

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
JP7584578A 1978-06-22 1978-06-22 Pickup device Pending JPS554717A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

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