JPS54123911A - Record player system - Google Patents

Record player system

Info

Publication number
JPS54123911A
JPS54123911A JP3159078A JP3159078A JPS54123911A JP S54123911 A JPS54123911 A JP S54123911A JP 3159078 A JP3159078 A JP 3159078A JP 3159078 A JP3159078 A JP 3159078A JP S54123911 A JPS54123911 A JP S54123911A
Authority
JP
Japan
Prior art keywords
arm
lifter
control cam
sleeve
cam
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
JP3159078A
Other languages
Japanese (ja)
Inventor
Kazuyuki Takizawa
Masaru Kaneko
Makoto Kodama
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP3159078A priority Critical patent/JPS54123911A/en
Publication of JPS54123911A publication Critical patent/JPS54123911A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the need for height adjustment of a lifter at the height adjustment of a tone arm by providing an elevation-control cam of arm lifter to a control cam which controls the arm installed to a member moving vertically integrally with the rotating shaft of the tone arm.
CONSTITUTION: The horizontal rotating shaft 6 of a tone arm 5 is inserted rotatably in a sleeve 17 and the sleeve 17 is moved vertically with respect to a bearing block 7 to adjust its height and is then fixed by a screw 20. A control cam 29 is rotatably mounted to the sleeve 17 to perform the lead-in and return control of the arm 5 through forward and backward running of a motor 8. The lifter shaft 60 of the lifter 12 of the arm 5 is provided vertically movably to a bearing 63 and its bottom face is energized and pressure-contacted by a spring 62 to the arm lifter control cam 38 provided on the control cam 29. The arm 5 is then moved up or down in correspondence to the lead-in and return control of the arm 5 by the revolution of the cam 29.
COPYRIGHT: (C)1979,JPO&Japio
JP3159078A 1978-03-17 1978-03-17 Record player system Pending JPS54123911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3159078A JPS54123911A (en) 1978-03-17 1978-03-17 Record player system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3159078A JPS54123911A (en) 1978-03-17 1978-03-17 Record player system

Publications (1)

Publication Number Publication Date
JPS54123911A true JPS54123911A (en) 1979-09-26

Family

ID=12335395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3159078A Pending JPS54123911A (en) 1978-03-17 1978-03-17 Record player system

Country Status (1)

Country Link
JP (1) JPS54123911A (en)

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