Abstract: A panel coupler for coupling together two facing panels at a predetermined distance from each other by passing a bolt through the panels and tightening a nut on the bolt comprises a panel clamp member having two facing planar portions coupled together by a U-shaped portion, the planar portions being provided with aligned holes through which the bolt is passed, and a cylindrical portion extending outwardly from the edge of the mounting hole of one of the planar portions, the outer periphery of the cylindrical portion being provided with a plurality of axial ribs, and a metal ring pressure fitted on the cylindrical portion.

Abstract: A panel coupler comprises a plastic molding having a hollow case-like spacer part open at least at one end and having aligned bolt insertion holes formed in top and bottom walls and a clip part united to the spacer part to be fitted on one of two panels, and a reinforcement metal ring fitted in the spacer part from the open end thereof and having a hole aligned with the insertion holes.