Horizontally supported planar surfaces – Tiltable surfaces – Pivotally adjustable about horizontal axis
Patent
1983-06-09
1985-09-10
Lyddane, William E.
Horizontally supported planar surfaces
Tiltable surfaces
Pivotally adjustable about horizontal axis
108 8, 108 10, 248396, A47B 2702
Patent
active
045399131
ABSTRACT:
A work table having a support frame and a work surface operatively connected to the support frame. A first caliper linkage having a first end and a second end, the first end is operatively connected to the work surface for vertically displacing and rotating the work surface about a horizontal axis in any vertical position. A first leadscrew operatively connected to the support frame and to the second end of the first caliper for varying an included angle of the first caliper and thus the height of the connected work surface. A second caliper linkage having a first end and a second end, the first end is operatively connected to the work surface at a point displaced from the first caliper linkage for vertically displacing and rotating the work surface about a horizontal axis in any vertical direction. A second leadscrew is operatively connected to the support frame and to the second end of the second caliper for varying an included angle of the second caliper and thus the height of the connected work surface. The first and second calipers and the first and second leadscrews operatively support the work surface relative to the support frame while providing a positive drive mechanism for adjusting the orientation of the work surface relative to the support frame.
REFERENCES:
patent: 1197663 (1916-09-01), Putnam
patent: 2187312 (1940-01-01), Goodlake
patent: 4440096 (1984-04-01), Rice et al.
Brown Peter R.
Jeviti Pty. Limited
Lyddane William E.
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