Horizontally supported planar surfaces – Tiltable surfaces – Sectional
Patent
1981-12-15
1984-04-03
Lyddane, William E.
Horizontally supported planar surfaces
Tiltable surfaces
Sectional
108 4, 108 5, 108 7, 108 20, 108147, A47F 512
Patent
active
044400969
ABSTRACT:
An adjustable, split top table for accommodating word processing equipment and the like comprises a base support, a main frame connected to the base support and two independently movable table tops (front and rear) adjustably secured to the main frame. A first lead screw is mounted between the main frame and the front table top so as to slope forward at an acute angle to the vertical. A second lead screw is mounted between the main frame and a front section of the rear table top and parallel to the first lead screw. A third lead screw is pivotally mounted between the main frame and a middle section of the rear table top. Drive means are coupled to the lead screws to independently raise and lower the first table top, raise and lower the rear table top and tilt the rear table top.
REFERENCES:
patent: 2249455 (1941-07-01), Caldwell
patent: 4365561 (1982-12-01), Tellier et al.
Rice Thomas E.
Young Peter T.
Binder Mark W.
Haskell of Pittsburgh, Inc.
Lyddane William E.
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