JPS5979605U

JPS5979605U - drive device

Info

Publication number: JPS5979605U
Application number: JP17578782U
Authority: JP
Inventors: 松浦　民明; 徹高宮; 肇藤井
Original assignee: ソニー株式会社
Priority date: 1982-11-20
Filing date: 1982-11-20
Publication date: 1984-05-29

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

[Brief explanation of the drawing]

第１図は従来例を一部断面して示す側面図、第２図はこ
の考案の一実施例を一部断面して示す側面図、第３図は
同様の正面図、第４図〜第６図は上述実施例の一部を詳
細に示す断面図である。２２はガイドロッド、２３はシリンダ、２４はガイドブ
ロック、２５はスライダ、２６はリニアモーションベア
リング、２７はラジアルベアリング、２８，２９．３１
．３２は永久磁石、３６はピストンである。Fig. 1 is a partially sectional side view of a conventional example, Fig. 2 is a partially sectional side view of an embodiment of the invention, Fig. 3 is a similar front view, and Figs. FIG. 6 is a sectional view showing a part of the above embodiment in detail. 22 is a guide rod, 23 is a cylinder, 24 is a guide block, 25 is a slider, 26 is a linear motion bearing, 27 is a radial bearing, 28, 29.31
．． 32 is a permanent magnet, and 36 is a piston.

Claims

[Scope of utility model registration request]

A driving member is supported outside the cylinder so as to reciprocate along the cylinder, and a piston provided in the cylinder is magnetically coupled to the driving member, so that the driving member moves integrally with the piston. - a drive device capable of backward movement, including a guide member provided outside the cylinder parallel to the cylinder, and a pole bearing slidably supporting the drive member on the guide member; A drive device comprising: a clearance provided between the drive member and an outer wall surface of the cylinder; and a magnetic material for magnetic coupling of the drive member disposed across the clearance.