Horizontal shutter

Claim 1

A shutter for windows, doors and other openings of building of the kind sliding and folding horizontally, primarily comprising a sill, a head jamb parallel with said sill, a plurality of doors horizontally slidable and foldable between said sill and said head jamb, and a receptacle at one end of said sill and said head jamb, said sill being made of a rigid material and a channel-shaped in cross section, said head jamb being made of a rigid material and channel-shaped in cross section oppositely to said channel of sill, said channel of head jamb being divided into an upper and a lower groove by the intermediary of shoulders, said channel of sill being divided into an upper and a lower groove by the intermediary of shoulders, said doors being made of glass and other rigid materials, said doors being connected horizontally by the intermediary of joints and provided with side frames at both ends of the horizontal line, said joints being made of a rigid material, those joints odd-numbered from said side frames being supported with upper sliders in a slidable relation to said upper groove of head jamb and with lower rollers in a slidable relation to said lower groove of sill, those joints even-numbered from said side frames being supported with upper rollers in a slidable relation to said lower groove of head jamb and with lower rollers in a slidable relation to said upper groove of sill, each of said doors being rOtatable by 90 degrees relative to the relevant joint and said even-numbered joints being arranged oppositely to said odd-numbered joints so as to permit each adjacent doors to be folded flat against each other, said sill and head jamb being provided with indented guide ways in said receptacle.