Panel mounting structure

A structure for mounting a panel in a panel mounting frame thereby to form a door, a movable sash window, a fixed sash window or the like, said structure comprising bilateral vertical frame elements, each having an inside surface, an upper transverse frame element, and a lower transverse frame element assembled to form a quadrangular panel mounting frame,

• wherein each of said bilateral vertical frame elements has, on its inside surface directed to the inside of said quadrangular panel mounting frame, a recessed groove and a receiving means, said recessed groove being formed on a first side of said inside surface corresponding to a first side of a door or a window to be formed, said receiving means being integrally formed on a second side of said inside surface corresponding to a second side of a door or a window to be formed, a first bead member provided with an attachment means adapted to be slid into said recessed groove in the longitudinal direction of said vertical frame element is attached on said first side of said inside surface of each of said vertical frame elements with said attachment means inserted in said recessed groove, a second bead member provided with an engaging means adapted to be detachably engaged with said receiving means is attached on said second side of said inside surface of each of said vertical frame elements with said engaging means engaged with said receiving means, and a panel is so mounted that each of its bilateral vertical edge portions is disposed between said first bead member and said second bead member,
• wherein said attachment means of said first bead member is a pair of attachment pieces, and
• wherein said first side bead member is attached to the recessed groove, the first side bead member comprises a hollow body and the pair of attachment pieces integrally formed therewith, said attachment pieces are adapted to be slid into the recessed groove in its longitudinal direction, said first side bead member is attached to the inside surface of the vertical frame element by sliding the pair of attachment pieces into the recessed groove in its longitudinal direction.