JPS59120153U - Electromagnetic device for dot printers - 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〜第３図は従来例を示し電磁石装置各部の上面図、
側面から見た断面図、正面図である。第４図イ９口は本
考案の１実施例を示す上面図、側面から見た断面図であ
る。第５図イ９口は本考案の第１実施例の永久磁石と第
１、第２集磁体の関係を示す正面図、側面図である。第
６、第７図は本考案の第２、第”３実施例を示す正面図
である。 １：ヨーク、１ａ・・・中央ヨーク片、１ｂ＝中央ヨ一
ク片の支持面、ＩＣ：長手側ヨーク片、１ｄ：長手側ヨ
ーク片の接極面、１ｅ：短手側ヨーク片、１ｆ：短手側
ヨーク片の接合面、２：コイル、３：アマチュア、３ａ
：アマチュアの基端部、３ｂ＝アマチユアの中間部、３
Ｃ：アマチュアの自由端部、４：永久磁石、５：第１集
磁体、６：第２集磁体。Figures 1 to 3 show a conventional example, and are top views of various parts of the electromagnet device;
They are a sectional view and a front view as seen from the side. FIG. 4A-9 is a top view and a sectional view seen from the side, showing one embodiment of the present invention. FIG. 5B is a front view and a side view showing the relationship between the permanent magnet and the first and second magnetic flux collectors in the first embodiment of the present invention. 6 and 7 are front views showing the second and third embodiments of the present invention. 1: Yoke, 1a... central yoke piece, 1b = support surface of the central yoke piece, IC: Long side yoke piece, 1d: Arming surface of the long side yoke piece, 1e: Short side yoke piece, 1f: Joint surface of the short side yoke piece, 2: Coil, 3: Amateur, 3a
: Proximal end of armature, 3b = Middle part of armature, 3
C: free end of armature, 4: permanent magnet, 5: first magnetic collector, 6: second magnetic collector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 略Ｅ字状であって中央片にはコイルが装備されこの端部
は支持面と成し長・短側片の長手側の端部は接極面と成
し短手側の端部は接合面と成すヨークと、基端部は前記
短手側ヨーク片の接合面と所定距離へだてて対向し自由
端部は長手側ヨーク片の接極面と対向すると共に中間部
は中央片の支持面に当接し揺動支点と成るアマチュアと
、該アマチュアと前記ヨークを一対として放射体に複数
個配置し而も各アマチュアの自由端を中心方向に向けて
配置する゛と共にこの複数個の短手側ヨーク片の接合面
と複数個のアマチュア基端部間に介在した無端環状の永
久磁石と、該永久磁石を磁化軸方向の両側から挾むよう
に配置すると共に少なくともいずれか一方は隣接するア
マチュア間及びヨーク間を磁気的に絶縁する構成とした
第１１第２集磁体とで成したことを特徴とするドツトプ
リンタ用電磁石装置。It is approximately E-shaped, and the central piece is equipped with a coil, the end of which is connected to the supporting surface, the long end of the short side is connected to the armature surface, and the short end is connected. A yoke that forms a surface, a base end facing the joint surface of the short side yoke piece at a predetermined distance, a free end facing the contact surface of the long side yoke piece, and an intermediate part facing the support surface of the center piece. A plurality of armatures are arranged on the radiator as a pair of armatures and the yokes, and the free end of each armature is oriented toward the center. An endless annular permanent magnet interposed between the joint surface of the yoke piece and the proximal end portions of the plurality of armatures, and the permanent magnet is arranged so as to sandwich it from both sides in the direction of the magnetization axis, and at least one of the permanent magnets is interposed between the adjacent armatures and the yoke. 1. An electromagnet device for a dot printer, characterized in that the electromagnet device is comprised of an eleventh and second magnetic collector configured to magnetically insulate between the two magnetic flux collectors.