Reverse slope keyboard

Details Reverse slope keyboard Reverse slope keyboard

1991-07-22

1992-09-08

Burr, Edgar S.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-board including row of keys having different heights

400490, 400715, 2481183, 2481882, B41J 2906, B43L 1500

Patent

active

051452707

ABSTRACT:
An improved keyboard for office machines and the like having a reversely-sloped keyboard having a wrist support member located on the raised adjacent edge of the keyboard and having the keys arranged in tiers descending in stepwise fashion toward the lower rear edge of the keyboard.

REFERENCES:
patent: 674747 (1901-05-01), Vidal
patent: 3387693 (1968-06-01), Wirth
patent: 4545554 (1985-10-01), Latino et al.
patent: 4619427 (1986-10-01), Leymann
patent: 5040757 (1991-08-01), Benaway
IBM Technical Disclosure Bulletin "Adjustable Terminal Table," vol. 28, No. 2, Jul. 1985.

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