Adjustable keyboard supporting mechanism

Horizontally supported planar surfaces – Plural related horizontal surfaces – Terraced

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Details

108138, 108143, 108145, A47B 5700

Patent

active

046448756

ABSTRACT:
A mechanism is disclosed for use in supporting a keyboard in a desired adjustable position relative to a CRT unit at a work station. The mechanism is adapted for attachment to the downwardly facing surface of a suitable horizontal support arranged at various levels or distances from a floor; and is characterized as being capable of mounting a keyboard for horizontally directed movements between storage or retracted and use or extended positions and for vertically directed movements into maximum upper and lower use positions in opposite directions from an intermediate or reference position normally assumed by the keyboard when in its storage position, wherein means are provided to automatically move the keyboard from its upper position into its intermediate position incident to movement of the keyboard horizontally towards its storage position.

REFERENCES:
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patent: 1900250 (1933-03-01), Mitchell et al.
patent: 2170098 (1939-08-01), Stephenson
patent: 2194889 (1940-03-01), DeLisle
patent: 2545515 (1951-03-01), Gannett et al.
patent: 2822229 (1958-02-01), Carlson
patent: 3425761 (1969-02-01), Schreyer
patent: 3516369 (1970-06-01), Bidak et al.
patent: 3866866 (1975-02-01), Knelle
patent: 4379429 (1983-04-01), Gubbe et al.
patent: 4384532 (1983-05-01), Staff
Literature reference pertaining to "Roll-Out PC Support System"; p. 4, Global Computer Supplies.
Copy of letter dated Mar. 7, 1985 from Weber-Knapp Company, Engineering drawing identified as X-21,267.
Plate identified as X-21,267-D.
Plate identified as X-21,473.

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