The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 14, 1989

Filed:

Aug. 21, 1987
Applicant:
Inventor:

Shinzi Tsuyuki, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400124 ; 101 9305 ; 335270 ;
Abstract

A printing head comprises a plurality of printing wires, a plurality of armatures connected at their tips to the base ends of the printing wires, an armature supporting member for rotatably supporting the plurality of armatures so that the tips of the armatures are movable in the longitudinal direction of the printing wires, a reciprocable drive unit for driving the plurality of armatures to reciprocate the plurality of printing wires between a projected position and a drawn position in the longitudinal direction of the plurality of printing wires, and wear resistant chips mounted on the rotatably supporting portions of the plurality of armatures on the armature supporting member.


Find Patent Forward Citations

Loading…