(57) The damping device comprises four identical articulated quadrilaterals disposed aligned
coplanar in pairs, and each comprising a stretcher support table (2) and three bars
(5, 8, 13), the shortest (5) of which, disposed opposite the stretcher support table
(2), is hinged to the floor (1) at a point situated external to its own quadrilateral.
Two corresponding bars (5 or 8) of one pair of coplanar quadrilaterals are connected
together by a connecting rod (11), and one of said bars (8) is caused to rock by a
pneumatic damping unit (22) by way of an intermediate element (13) provided with three
hinges which are connected respectively to said rod (8), to a connecting rod connected
to the table (2), and to the rod of the unit (22) which is itself hinged to the stretcher
support table (2).
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