PANEL SUPPORT

Panel (13) support (10), comprising - a supporting base (11) defining a housing seat (12) for the edge area (13A) of the panel (13), said seat having a bottom (12A), two opposite sides (12B) that extend from said bottom and an opening (14) for inserting the panel into the seat (12), provided at the ends of said sides (12B), at least one of said sides comprising, with respect to its end, a respective undercut portion (15), - at least one device (16) for adjusting the tilt and for clamping the panel to said supporting base (11), interposed between the panel (13) and said supporting base (11), comprising a concave cradle (17) for housing the end (13A) of the edge of the panel, said cradle having an underside (18) and two opposite lateral containment sides (19) of said end of the edge of the panel (13A), there being associated with at least one said containment side (19) at least one respective assembly (20) for adjusting the tilt and lateral clamping of the panel, wherein said assembly (20) for adjusting the tilt and lateral clamping of the panel comprises - a wedge shaped element (21) sliding on the outside of the respective side surface for containment of the cradle according to a direction from the bottom (12A) of said seat (12) toward its opening (14) and vice versa, said wedge shaped element (21) having a first face (19A) that abuts on the outside of the respective side surface (19) of the cradle (17) and an opposite second face (19B), tilted with respect to the direction of movement of the wedge shaped element, - at least one intermediate clamping element (26) adapted to be arranged between said opposite second face (19B) of the wedge shaped element (21) and said undercut portion (15) provided on a respective side of said housing seat, - an adjustment screw (27), arranged in an engaged way through a hole (28), counter-threaded to the screw, obtained through said wedge shaped element (21), said screw having an end (27A) adapted to bottom out against a portion (29) of said cradle (17) and an opposite end provided with a control head for a tool, so that a turn of said screw (27) in a first direction causes said wedge shaped element (21) to move toward said opening (14) of the housing seat (12) of the panel, thrusting said intermediate clamping element (26) against the respective undercut portion (15) of a respective side of said seat, while a turn in the opposite direction causes said wedge shaped element (21) to move in the opposite direction toward the b