Typewriter keyboard layout

Details Typewriter keyboard layout Typewriter keyboard layout

1983-07-05

1985-05-28

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

400486, B41J 510

Patent

active

045197210

ABSTRACT:
A typewriter comprising a keyboard having a plurality of keys divided into three substantially horizontal rows, between which keys letters of the alphabet are allocated, and means operative by said keys to write the letters of the alphabet. The first key, from left to right, of the middle row, operable by the little finger of the left hand of an operator, is allocated the letter A. The sixth key, from left to right, of the middle row is allocated the letter N. Four keys in each of the top, middle and bottom rows of keys between the keys carrying the letters A and N, are allocated respectively, the first, second or third letter of each group of three letters between the letters A and N, in alphabetical sequence from left to right across the three rows of four keys. Finally, four keys in each of the top, middle and bottom rows of keys following the letter N are allocated, respectively, the first, second or third letter of each group of three letters after the letter N, in alphabetical sequence from left to right across the three rows of four keys, the row carrying each third letter of each group of three letters after the letter N being positioned such that the key carrying the letter Z is operable by the little finger of the right hand of an operator.

REFERENCES:
patent: 1342244 (1920-06-01), Wolcott
patent: 2040248 (1936-05-01), Dvorak et al.
patent: 3847263 (1974-11-01), X

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