Serial printer

Details Serial printer Serial printer

1979-12-27

1982-07-06

Pieprz, William

Printing

Selective or progressive

Bed and platen machines

101 9311, 101 9317, 400247, B41J 908

Patent

active

043376975

ABSTRACT:
A printer for printing function symbols and numerals, characterized by comprising a type wheel for printing numerals which can rotate with a rotary shaft and which can move in the axial direction of the rotary shaft, a type wheel for printing function symbols which can rotate with the rotary shaft and which can move in the axial direction of the rotary shaft, and a print hammer whose printing face is provided with a groove and which is arranged in opposition to the type wheels, so that when either one of the type wheels lies in a printing position, the other type wheel is confronted to the groove of the printing face.

REFERENCES:
patent: 2094550 (1937-09-01), O'Halloran
patent: 2409237 (1946-10-01), Banks
patent: 2502491 (1950-04-01), Thompson
patent: 3332343 (1967-07-01), Sims, Jr.
patent: 4051942 (1977-10-01), Suzuki et al.
Hosez, "Typing Shield", IBM Technical Disclosure Bulletin, vol. 5, No. 11, pp. 30-31, 4/63.
Heydkamp et al., "Printing Hammer Arrangement", IBM Technical Disclosure Bulletin", vol. 9, No. 8, pp. 1013-1014, 1/67.

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