Printer with a fixed and an axially movable character ring

Details Printer with a fixed and an axially movable character ring Printer with a fixed and an axially movable character ring

1978-11-08

1981-01-13

Coven, Edward M.

Printing

Selective or progressive

Bed and platen machines

101 9317, 101 9345, 400155, 4003171, B41J 124

Patent

active

042442915

ABSTRACT:
A serial printer includes two character rings having raised characters disposed therearound. Both rings rotate on a common axis for selection of characters for printing. One character ring is laterally fixed relative to the common axis; the other character ring translates laterally along the common axis in a carriage driven by a pulley and wire, and biased for quick return. A solenoid actuated claw selects characters for printing as the character rings rotate. A single motor operating in a forward direction causes the character rings to rotate while character selections are made, sequentially causes a single hammer to strike both character rings simultaneously for printing on paper, and translates the carriage one position for serially printing the next digit in a number. Reversal of the motor, after a line of characters is printed, causes release and return of the carriage and advancement of the paper.

REFERENCES:
patent: 3310147 (1967-03-01), Clay et al.
patent: 3374873 (1968-03-01), Takenaka
patent: 3643596 (1972-02-01), Varbach et al.
patent: 3957151 (1976-05-01), Kashio
patent: 4051942 (1977-10-01), Suzuki et al.
patent: 4104967 (1978-08-01), Okabe
patent: 4152982 (1979-05-01), Mikoshiba et al.
patent: 4161912 (1979-07-01), Usui et al.

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