Printing head for a needle printer

Details Printing head for a needle printer Printing head for a needle printer

1989-09-14

1991-02-19

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 2235

Patent

active

049938550

ABSTRACT:
A printing head for a needle printer includes a cylindrical switching head, rotatably arranged in the front region of the printing head and a guide piece for holding printing needles extending substantially perpendicularly to the printing direction. The cylindrical switching head accommodates the guide piece 2 is journalled through a conical support in a central inner bore of the printing head is in rotation by abutments and is held by a holding clamp.

REFERENCES:
patent: 4010835 (1977-03-01), Martin
patent: 4031992 (1977-06-01), Murat et al.
patent: 4190845 (1980-02-01), Cooper et al.
patent: 4408907 (1983-10-01), Bernardis
patent: 4459051 (1984-07-01), Kawai
patent: 4475826 (1984-10-01), Durr et al.
patent: 4640633 (1987-02-01), Hebert
IBM Technical Disclosure Bulletin, "Rotatable Wire Matrix Printhead", W. J. Thornhill, vol. 24, No. 10, Mar. 1982, pp. 4981-4982.

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