Adjustable keyboard support

Details Adjustable keyboard support Adjustable keyboard support

1994-03-15

1996-02-13

Chen, Jose V.

Horizontally supported planar surfaces

Plural related horizontal surfaces

Terraced

108 50, 108138, 248918, A47B 5700

Patent

active

054904668

ABSTRACT:
A table top is provided with a vertically adjustable keyboard support platform which is suspended on a parallel linkage assembly. The parallel linkage rotates about a pair of rotatable pivot rods carried by the underneath side of the platform. A gas spring is connected to the linkage to block its rotation when the platform is in a desired lowered position and to aid in returning the platform to a position flush with the table top.

REFERENCES:
patent: 3866866 (1975-02-01), Kneile
patent: 4515086 (1985-05-01), Kwiecinski et al.
patent: 4616798 (1986-10-01), Smeenge et al.
patent: 4625657 (1986-12-01), Little et al.
patent: 4776284 (1988-10-01), McIntosh
patent: 5031867 (1991-07-01), Cotterill
patent: 5083512 (1992-01-01), Newhouse et al.
patent: 5176351 (1993-01-01), Moore

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