Horizontally supported planar surfaces – Vertically adjustable – Articulated link shifts surface
Patent
1989-01-27
1990-05-22
Dorner, Kenneth J.
Horizontally supported planar surfaces
Vertically adjustable
Articulated link shifts surface
248421, 248588, A47B 902
Patent
active
049267604
ABSTRACT:
A self leveling table for holding articles on the table at a constant level regardless of the number of articles on the top of the table with the self leveling table including a pair of scissor arms that are restrained from closing by a set of springs whose compression force can be adjusted, the scissor arms pivotally mounted in the table with one end of the springs including a cam bar with a pair of cam followers for engaging cam surfaces on the scissors arms to smoothly control the raising and lowering of the self leveling table when materials are added or removed from the table and spaced lifting surfaces on the self leveling table, to permit an operator with a forklift to move the self leveling table.
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Dorner Kenneth J.
Green Brian K.
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