Typewriting machines – Means auxiliary to typewriting function – Attachment for guiding fingers or hands of typist
Patent
1993-04-02
1995-11-07
Wiecking, David A.
Typewriting machines
Means auxiliary to typewriting function
Attachment for guiding fingers or hands of typist
2481181, D14114, D18 12, B43L 1500
Patent
active
054642922
ABSTRACT:
An adjustable one-piece platform is constructed or molded with a plastic living hinge at a front edge to which is integrally attached an elevating projection. The front edge elevating projection can be rotated about the living hinge into one of several positions. This permits the bottom surface of the keyboard alignment device of the present invention to remain in a horizontal plane on a desktop or a computer work surface platform. Further, the keyboard alignment device is able to have the angle of inclination of the bottom surface changed with respect to a horizontal work surface. A traditional flat/rectangular keyboard is placed on an upper rear surface of the keyboard alignment device. The traditional keyboard maintains its front to rear taper when an elevating projection of the keyboard alignment device is at right angles to the desktop or work surface. When the elevating projection is folded underneath the bottom surface of the keyboard alignment device, then the front to rear taper of the keyboard is negated.
REFERENCES:
patent: D346816 (1994-05-01), Kline et al.
patent: D347216 (1994-05-01), Ciccone
patent: 4545554 (1985-10-01), Latino et al.
patent: 4635893 (1987-01-01), Nelson
patent: 5163646 (1992-11-01), Engelhardt
patent: 5183230 (1993-02-01), Walker et al.
patent: 5244296 (1993-09-01), Jensen
patent: 5326056 (1994-07-01), Smith
Barbara Stack, "Keyboard RSI: The Practical Solution", 1987, pp. 21-41.
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