Spoked multiple-wheel printer

Details Spoked multiple-wheel printer Spoked multiple-wheel printer

1982-11-04

1985-01-22

Sewell, Paul T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Including type-faces movable relative to type-face-carrier

400 82, B41J 130

Patent

active

044948840

ABSTRACT:
A high-speed printer with two or more individually driven, coordinately controlled, co-printing wheels carrying type elements supported by radial spokes or petals. One or more circumferential gaps (spoke-free positions) in each wheel permit read-through and hammer action or ribbon-impacting printing spoke deflection through print cycle instantaneously inactive wheel(s). The redistribution of symbols among a plurality of wheels, major reduction in size and moment of inertia of each wheel and drive motor, redundant wheel openings and redundant symbols distributed among the wheels greatly increase operating speed, materially assisted by microprocessor optimal lookahead wheel, opening and symbol preselection.

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patent: 4324498 (1982-04-01), Steinhardt
patent: 4357115 (1982-11-01), Or
E. Degge; Xerox Disclosure Journal; "Multiple Type Wheel Printer"; vol. 1, No. 2; Feb. 1976, p. 49.
D. E. Braun; Xerox Disclosure Journal; "Impact Printer W/Dual On-Line Wheels; vol. 1, No. 11/12; Nov./Dec. 1976, p. 35.

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