Alignment device for telescoping gymnasium seating

In a telescoping gymnasium seating unit, including a plurality of movable upright frame means respectively sized and movable between a first position wherein said frame means are nested one in the other when fully telescoped and a second position wherein said frame means are unnested, each of said frame means having horizontal support members and seating means thereon adjacent the front ends thereof with an upwardly facing, elongated and horizontally extending planar-like seating surface thereon and a horizontally facing skirtboard extending downwardly from the outwardly facing edge of said seating surface, each of said seating means on each of said frame means being vertically offset from a seating means on a mutually adjacent frame means in said second position of said frame means, the lower edges of said skirtboards being vertically spaced above said seating surfaces when said frame means is in said first position, the improvement comprising:

• low friction means secured to said seating means and extending downwardly therefrom and engaging the upwardly facing seating surface of the next seating means located therebelow when said frame means are in said first position to maintain said vertical spacing uniform between said seating means when vertical loads are applied to said seating means when said frame means are in said first position.