Ergonomic keyboard with wrist support

Details Ergonomic keyboard with wrist support Ergonomic keyboard with wrist support

1996-09-09

1998-10-27

Bennett, Christopher A.

Typewriting machines

Key-board or key lever-actuating mechanism

Key-board including keys grouped to facilitate positioning...

400715, 341 22, 248118, B41J 510

Patent

active

058269924

ABSTRACT:
An ergonomic keyboard is provided having a top surface and a bottom surface and a front edge closest to the user, and a plurality of keys arranged in a plurality of adjacent rows. Each row includes a central arcuate portion, a left portion, and a right portion. The left and right portions extend tangentially from the arcuate portions. The arcuate portion of each row is convex to the user side of the keyboard. A wrist support extends along the front edge. A pair of legs pivotally mounted to the bottom surface elevates the wrist support from an underlying support surface.

REFERENCES:
patent: 494742 (1890-04-01), Hammond
patent: 1689283 (1928-10-01), Grandjean
patent: 4483634 (1984-11-01), Frey et al.
patent: 5120938 (1992-06-01), Rollason
patent: 5129747 (1992-07-01), Hutchison
patent: 5145270 (1992-09-01), Darden
patent: 5397189 (1995-03-01), Minogue
patent: 5405204 (1995-04-01), Ambrose
patent: 5416498 (1995-05-01), Grant
"The Writing Machine", by Michael H. Adler, published 1973, 381 pages.
Adler, M.H., "The Writing Machine," 1973, p. 221.

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