Single element typing for left to right or right to left letter

Details Single element typing for left to right or right to left letter Single element typing for left to right or right to left letter

1978-04-21

1980-04-15

Wright, Jr., Ernest T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400335, 74 37, 400320, B41J 1900

Patent

active

041981707

ABSTRACT:
A carriage supporting a single type element is couplable either to the upper run or the lower run of a looped cable drive system for left or right or right to left letter feeding movement under control of an escapement pawl carrier associated with a unidirectional control rack and driven by the upper run of the cable drive system.

REFERENCES:
patent: 2490035 (1949-12-01), Deakin
patent: 2847859 (1958-08-01), Lynott
patent: 2911835 (1959-11-01), Smith
patent: 2939321 (1960-06-01), Shovic
patent: 2977808 (1961-04-01), Dobbs
patent: 3029649 (1962-04-01), Steyh
patent: 3572489 (1971-03-01), Schaefer
patent: 4084681 (1978-04-01), Heinzl et al.
IBM Technical Disclosure Bulletin, "Proportional Spacing and Justification," Hickerson, vol. 8, No. 5, Oct. 1965, pp. 781-782.

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