JPH0372444U

JPH0372444U -

Info

Publication number: JPH0372444U
Application number: JP13435489U
Authority: JP
Priority date: 1989-11-21
Filing date: 1989-11-21
Publication date: 1991-07-22

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示すワイヤドツト印
字ヘツドの一部断面図、第２図は本考案の他の実
施例を示すワイヤドツト印字ヘツドの一部断面図
、第３図は従来のワイヤドツト印字ヘツドの断面
図である。１０……アーマチユア、１１……印字ワイヤ、
１１ａ……凹部、１１ｂ……孔、１８……硬質層
。 Fig. 1 is a partial sectional view of a wire dot printing head showing an embodiment of the present invention, Fig. 2 is a partial sectional view of a wire dot printing head showing another embodiment of the invention, and Fig. 3 is a conventional wire dot printing head. FIG. 3 is a sectional view of the head. 10... Armature, 11... Printing wire,
11a... recess, 11b... hole, 18... hard layer.

Claims

[Scope of claim for utility model registration] An armature with a printing wire fixed to the tip,
a core provided opposite to the armature; a bias spring supporting the armature;
In a wire dot printing head consisting of a coil that is wound around the core and that generates magnetic flux when excited to swing the armature, (a) a part of the end face is cut out at the tip of the printing wire, and (b) a part of the end face is cut out. A wire dot printing head characterized in that its area is smaller than the cross-sectional area of the printing wire.