Printing head having backstop structure

Details Printing head having backstop structure Printing head having backstop structure

1993-05-12

1994-12-27

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 2235

Patent

active

053759354

ABSTRACT:
A printing head comprising a plurality of armatures which are arranged radially and which are swingable before and behind, an armature stopper having armature abutting portions of cantilever type provided in projection toward a center in a radial direction at respective locations at the back of the armature for positioning the armatures under a waiting condition, the armature stopper being displaceable by impingement of the armatures, and a gap defined at the back of the armature abutting portions.

REFERENCES:
patent: 4320981 (1982-03-01), Harrison et al.
patent: 4367962 (1983-01-01), Gaboardi
patent: 4597680 (1986-07-01), Norigoe et al.
patent: 4978238 (1990-12-01), Sato et al.
patent: 5096313 (1992-03-01), Horii
patent: 5123759 (1992-06-01), Horii et al.
patent: 5163761 (1992-11-01), Horii et al.
patent: 5174663 (1992-12-01), Asada et al.

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