JPS58187056U - Lifter for tone arm - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の電子制御サーボ用トーンアームを示す動
作原理系統図、第２図は本考案のトーンアーム用リフタ
ーの平面図、第３図は第２図の側面図、第４図は第２図
のＡ−Ａ断面矢視図、第５図は本考案のトーンアーム垂
直方向回動用のリフターの要部斜視図である。 図に於て、１はアーム、２はシェル、３はカウンタウェ
イト、４は垂直回動軸、５は水平回動軸、６．６′は板
状磁石、７はトーンアーム垂直駆動コイル、８は速度検
出コイル、３２はコイルホルダー、３８′は■状の透孔
、４０はピン、４１は保合部である。Fig. 1 is a diagram showing the operating principle of a conventional electronically controlled servo tone arm, Fig. 2 is a plan view of the tone arm lifter of the present invention, Fig. 3 is a side view of Fig. 2, and Fig. 4 is a diagram showing the tone arm lifter of the present invention. FIG. 2 is a sectional view taken along the line A-A in FIG. 2, and FIG. 5 is a perspective view of a main part of the lifter for vertically rotating the tone arm of the present invention. In the figure, 1 is an arm, 2 is a shell, 3 is a counterweight, 4 is a vertical rotation axis, 5 is a horizontal rotation axis, 6.6' is a plate magnet, 7 is a tone arm vertical drive coil, 8 32 is a speed detection coil, 32 is a coil holder, 38' is a square-shaped through hole, 40 is a pin, and 41 is a retaining portion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] トーンアームを垂直方向に揺動させる係合子に係合する
係合部を有するリフター駆動部を該係合子の植立方向と
直交する方向に摺動させて成るトーンアーム用リフター
に於て、上記係合部を通る線上に摺動支持部を設けて成
るトーンアーム用リフター。In the tone arm lifter, the lifter driving part having an engaging part that engages with an engaging element for vertically swinging the tone arm is slid in a direction perpendicular to the direction in which the engaging element is planted. A tone arm lifter comprising a sliding support section on a line passing through the engaging section.