Extrusions for carrying ceiling tiles and window curtains, shades, and the like

Claim 2

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be located next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a pair of vertical wall portions of said extrusion and an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain, or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, said carrier means having its side edges located at different elevations to form upper and lower side edges while said grooves are also located at different elevations to form upper and lower grooves for respectively receiving said upper and lower side edges of said carrier means.

Claim 3

The combination of claim 1 and wherein said lower groove of said extrusion is limited at its lower region by an inwardly extending rib of said extrusion and said extrusion being springy for facilitating snapping of said lower side edge of said carrier means past said rib into said lower groove after said upper side edge of said extrusion has been situated in said upper groove.

Claim 4

The combination of claim 2 and wherein said inwardly extending rib of said extrusion is formed with a downwardly directed inclined surface forming a bevel which facilitates snapping of said lower side edge of said carrier means into said lower groove.

Claim 5

The combination of claim 3 and wherein said upper groove of said extrusion is situated next to said upper horizontal wall of said channel while said lower groove is situated adjacent a lower surface of said extrusion, and said carrier means being itself in the form of an elongated extrusion of channel-shaped configuration and having said lower side edge thereof in the form of a rib for snapping into said lower groove.

Claim 6

The combination of claim 4 and wherein said carrier means is formed with a pair of channels one for slidably supporting glides for carrying a curtain and the other for accommodating cords for controlling the curtain.

Claim 7

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be located next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a paiR of vertical wall portions of said extrusion and an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, an air-conditioning plenum chamber being situated over said extrusion and tiles carried thereby, and said extrusion being formed adjacent said inner side edge region thereof between the latter and said channel of said extrusion with openings through which air can pass from the space beneath said extrusion into the plenum chamber.

Claim 8

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be located next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a paiR of vertical wall portions of said extrusion and an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, an air-conditioning plenum chamber being situated over said extrusion and tiles carried thereby, and said extrusion being formed adjacent said inner side edge region thereof between the latter and said channel of said extrusion with openings through which air can pass from the space beneath said extrusion into the plenum chamber.

Claim 9

The combination of claim 6 and wherein said extrusion is formed with a second hollow downwardly directed channel having a raised horizontal wall formed with said openings through which air flows to said plenum chamber, so that said openings are situated in a recessed portion of the extrusion.

Claim 10

The combination of claim 7 and wherein said extrusion is provided at said second channel thereof with an upper pair of angled portions defining over said upper horizontal wall of said second channel a pair of grooves extending longitudinally of the extrusion and directed toward each other, and members of substantially T-shaped cross section having side edges situated in the latter grooves and an upwardly directed web for connection to a supporting beam or the like so as to form part of said support means with said parts located in said grooves over said second channel being adapted to extend across adjoining edges of a pair of said extrusions which are situated one next to the other for aligning the extrusions.

Claim 11

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be located next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a pair of vertical wall portions of said extrusion and an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain, or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, said grooves being located adjacent a lower surface of said extrusion and are situated at the same elevation, said carrier means being formed by a series of plates respectively having opposed side edges situated in said grooves and adapted to be situated beneath the ends of Venetian blind units located in said chennel of said extrusion.

Claim 12

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be located next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a pair of vertical wall portions of said extrusion and an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain, or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, said grooves being located adjacent a lower surface of said extrusion and are situated at the same elevation, said carrier means being formed by a series of plates respectively having opposed side edges situated in said grooves and adapted to be situated beneath the ends of Venetian blind units located in said chennel of said extrusion.

Claim 13

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be locateD next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a pair of vertical wall portions of said extrusion an an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, said extrusion having at an upper surface a pair of elongated parallel angle portions defining grooves which are directed toward each other for receiving alignment bars to extend across adjoining edges of successive extrusions to align them with each other.

Claim 14

For use in buildings and the like, an elongated extrusion having an upper surface provided with a means for supporting said extrusion in a substantially horizontal attitude from a structural element over the extrusion, said extrusion having an outer side edge region adapted to be locateD next to a frame member over a window and an opposed inner side edge region adapted to support ceiling tiles, said extrusion being formed with an elongated downwardly directed channel extending longitudinally of said extrusion and defined by a pair of vertical wall portions of said extrusion an an upper horizontal wall portion thereof extending between said vertical wall portions, said vertical wall portions respectively being formed with longitudinal horizontal grooves extending parallel to each other and longitudinally of the extrusion and communicating with the interior of said channel, and carrier means for carrying a window-covering unit such as a shade, curtain or the like, said carrier means having opposed edges respectively located in said grooves to be supported by said channel with part of the structure carried by said carrier means situated in the interior of said channel, said carrier means being supported exclusively by the location of said opposed side edges thereof in said grooves, said extrusion having at an upper surface a pair of elongated parallel angle portions defining grooves which are directed toward each other for receiving alignment bars to extend across adjoining edges of successive extrusions to align them with each other.

Claim 15

The combination of claim 10 and wherein said means for supporting the extrusion includes an upwardly directed web extending upwardly from said channel to be attached to a member for connecting the extrusion to a supporting beam or the like.