A sliding rack apparatus having a rack body having supported on a slide rest and movable along a pair of slide tracks. The slide rest has a pair of rollers with a rut therebetween. The slide tracks have a convex edge in a center thereof so as to extend in the rut between the rollers. A braking device has a T-shaped plate with a rim that is pivotable between a first portion engaging the convex edge and a second position free of the convex edge.