Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism
Patent
1987-08-25
1988-10-11
Pieprz, William
Typewriting machines
Carriage or carriage-moving or movement-regulating mechanism
Carriage-feed mechanism
400120, 400 82, B41J 320, B41J 1914, B41J 358
Patent
active
047767154
ABSTRACT:
A recording head of a current application type serial printer is provided with two independent recording electrode groups on both sides of its tip. The angle of contact of the recording head with a platen of the printer is switched between a forward printing stroke and a backward printing stroke of a carrier so that, usually, the electrode group on the right-hand side of the recording head is used during the forward printing stroke, and the electrode group on the left-hand side during the backward printing stroke.
REFERENCES:
patent: 4195937 (1980-04-01), Baran
Okamoto Keiji
Shimazaki Toshio
Takada Hiromi
Pieprz William
Ricoh & Company, Ltd.
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