A support and gliding mechanism for a chair or sofa includes a base; a post; on the base; a frame on the post including a crossbar on top of the post, and a pair of sides connected to the ends of the crossbar; pivot arms between and pivotally connected to the ends of the frame sides, the arms having bottom ends beneath the crossbar; and a carriage including a top plate for supporting a chair or sofa, and a pair of sides extending downwardly from the top plate with bottom ends pivotally connected to the inside bottom ends of the pivot arms.