Horizontally supported planar surfaces – Horizontally adjustable – Concurrent horizontal and vertical movements
Patent
1995-09-12
1998-08-11
Chen, Jose V.
Horizontally supported planar surfaces
Horizontally adjustable
Concurrent horizontal and vertical movements
108 7, 248918, A47B 1100
Patent
active
057912637
ABSTRACT:
A mounting assembly is disclosed for mounting an auxiliary device, such as a keyboard support or work surface, for vertical movement relative to a support, such as a desk top. The assembly permits upwardly directed movement of the auxiliary device while releasably constraining downwardly directed movement relative to the support, and includes a linkage assembly coupled with a brake assembly fixed relative to the support. The auxiliary device is released for downwardly directed movement by manually operated paddle coupled with the brake assembly and movable with the auxiliary device.
REFERENCES:
patent: 3866866 (1975-02-01), Kneile
patent: 4644875 (1987-02-01), Watt
patent: 4776284 (1988-10-01), McIntosh
patent: 4923259 (1990-05-01), Bartok
patent: 4938441 (1990-07-01), Hannah et al.
patent: 5294087 (1994-03-01), Drabczyk
Pangborn Donald R.
Watt Richard L.
Chen José V.
Weber Knapp Company
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