JPS59131840U

JPS59131840U - printer head

Info

Publication number: JPS59131840U
Application number: JP2552683U
Authority: JP
Inventors: 林　幹雄; 晴夫井上; 博佐藤
Original assignee: 株式会社精工舎
Priority date: 1983-02-22
Filing date: 1983-02-22
Publication date: 1984-09-04

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]

図面の本考案を適用したプリンタヘッドの一実施例に関
するものであって、第１図はその正面図、第２図はその
断面図、第３図は板バネの正面図、第４図はスペーサ板
の正面図、第５図は可動ヨー−りの断面図、第６図はそ
の上面図である。１・・・前ヨーク、２・・・永久磁石、３・・・後ヨー
ク、４・・・中心ヨーク、５・・・コイル、７・・・板
バネ、８・・・支持板、１９・・・可動ヨーク、１９ａ
・・・割り溝、１９ｂ・・・可動ヨークの後端面、２０
・・・印字ハンマ。The drawings relate to an embodiment of a printer head to which the present invention is applied, in which Fig. 1 is a front view thereof, Fig. 2 is a sectional view thereof, Fig. 3 is a front view of a leaf spring, and Fig. 4 is a spacer. FIG. 5 is a front view of the plate, FIG. 5 is a sectional view of the movable yaw, and FIG. 6 is a top view thereof. DESCRIPTION OF SYMBOLS 1... Front yoke, 2... Permanent magnet, 3... Rear yoke, 4... Center yoke, 5... Coil, 7... Leaf spring, 8... Support plate, 19.・・Movable yoke, 19a
...Split groove, 19b... Rear end surface of movable yoke, 20
...Printing hammer.

Claims

[Scope of utility model registration request]

Front and rear yokes joined to both sides of an annular permanent magnet, a center yoke fixed to the center of the rear yoke and extending toward the center hole of the front yoke, and an outer periphery of the center yoke. a magnetic circuit device having a release coil surrounding the magnetic circuit device; a leaf spring supported in a cantilever shape in front of the magnetic circuit device; a movable yoke that is magnetically attracted to the front end surface of the center yoke against the spring force of the leaf spring during normal times, and the magnetic attraction is released by energizing the coil; and the movable yoke. and a printing hammer fixed to the center yoke, and the printer is formed obliquely so that when the movable yoke is attracted to the center yoke, the rear end surface is in surface contact with the front end surface of the center yoke. head.