Device for adjusting the slope of a keyboard

Details Device for adjusting the slope of a keyboard Device for adjusting the slope of a keyboard

1981-03-27

1983-09-06

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Means for collapsing typewriter or support for record-medium...

400472, 108 7, B41J 1156, B41J 2906

Patent

active

044026242

ABSTRACT:
The inclination angle of a keyboard is made infinitely adjustable between preset maximum and minimum angles to suit individual operator and work place needs by means of an adjustment assembly. The assembly calls for selectably setting cam plate housing seats located at one end of the keyboard to increase or lower the angle of inclination.

REFERENCES:
patent: 726921 (1903-05-01), Willard
patent: 1331441 (1920-02-01), Latta
patent: 1385256 (1921-07-01), McCann
patent: 1676809 (1928-07-01), Uhlig
patent: 2281769 (1942-05-01), Hochriem
patent: 2451722 (1948-10-01), Dodge
patent: 2540297 (1951-02-01), Freeman et al.
patent: 2979857 (1961-04-01), Longbotham
patent: 3069543 (1962-12-01), Sazavsky
patent: 3750989 (1973-08-01), Bergeson
patent: 3830352 (1974-08-01), Kolpek
patent: 3902034 (1975-08-01), Isozaki
patent: 4008920 (1977-02-01), Arndt
IBM Technical Disclosure Bulletin, vol. 22, No. 2. Jul. 1979, p. 808, "Adjustable Height Mechanism" Leon et al.

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