JPS6250939U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is an assembled perspective view of the printing wire portion of an embodiment of the wire dot type printing head according to the present invention, FIGS. 2 to 4 are perspective views of each sub-guide portion of the printing wire portion, and FIG. 5 6 is an assembled perspective view of a modified example of the printing wire portion, FIG. 6 is a longitudinal sectional view of a conventional wire dot type printing head, and FIG. 7 is an assembled perspective view of the printing wire portion. 1: Printing wire, 2: amateur, 3: core,
4: Yoke, 5: Magnet, 6: Coil, 7:
Coil spring, 8: Cap, 9: Armature guide, 10: Stopper, 11: Housing, 12, 13, 14: Sub guide, 15: Main guide, 16: Guide frame, 21: Wire guide plate, 21a, 21b, 21c :Sub guide part,
21d: central plate portion, 21e, 21f, 21g: guide convex portions.

Claims (1)

[Scope of utility model registration request] A plurality of amateurs each having a printing wire,
When not printing, each armature is attracted by a magnetic circuit of a permanent magnet against the spring means, and when printing, by releasing the attraction of the arbitrary armature, the arbitrary armature is moved by the spring means, and the printing is performed. In a wire dot type printing head that prints using wires, the plurality of printing wires form two rows on the left and right, and are supported by sequentially passing through a plurality of sub guides and one main guide, and at least one of the sub guides. A wire dot type printing head having a structure in which a guide convex portion having a convex surface corresponding to the deflection curve of the printing wire row and guiding the printing wire is provided near the printing wire and at a position between the left and right two rows of the printing wire.