Metal deck raceway construction

Claim 2

A metal raceway structure adapted for use in concrete-metal composite floor constructions comprising an elongated metal deck having alternating ribs and valleys, a sheet underlying and cooperating with said metal deck to define a plurality of cells, said metal deck having first and second spaced generally downwardly open ribs of generally equal height, a third rib of lesser height than said first and second ribs being generally downwardly open and interposed between said first and second ribs, said ribs having a top wall and depending sidewalls, said first and second ribs having sidewall openings in sidewalls facing said third rib, said first and second rib sidewalls facing said third rib being spaced from said third rib, whereby when concrete is poured onto said metal deck it will enter the spaces between said sidewalls facing said third rib and said third rib, housing means having at least a portion disposed in overlying relationship with respect to said third rib, said housing means being in communication with said first and second ribs through said sidewall openings, said housing means having a longitudinally projecting extension, an electrical receptacle disposed within said extension having socket means facing the interior of said housing means, and said third rib having at least one top wall opening, whereby separate utility supply means may be disposed in said cells and access to utilities in all three cells may be had at a single location.

Claim 3

The metal raceway structure of claim 1 including said rib openings being located generally at the same longitudinal position.

Claim 4

The metal raceway structure of claim 2 including said third rib top wall being at a level of about 3/4 to 11/2 inch below the level of said first and second rib top walls.

Claim 5

The metal raceway structure of claim 3 including said first and second ribs having a generally trapezoidal cross-sectional configuration, and said third rib having a generally rectangular cross-sectional configuration.

Claim 6

The metal raceway structure of claim 2 including said third rib being integrally formed in said metal deck.

Claim 7

The metal raceway structure of claim 2 including said third rib being formed in a separate member which overlies said metal deck.

Claim 8

The metal raceway structure of claim 1 including said housing means having a second longitudinally projecting extension projecting in the opposite direction from said first extension, and an electrical receptacle disposed within said second extension having socket means facing the interior of said housing means.

Claim 9

The metal raceway structure of claim 7 including said housing means having a pair of spaced end walls from which said extensions emerge, and said electrical receptacles terminating at or adjacent said end walls.

Claim 10

The metal raceway structure of claim 1 including said underlying sheet being generally planar in the region underlying said metal deck.

Claim 11

The metal raceway structure of claim 9 including said metal deck having at least one valley portion in contact with said underlying sheet.

Claim 12

The metal raceway structure of claim 1 including the cross-sectional area of said third rib being about 25 to 40 percent of the average cross-sectional area of said first or second ribs.

Claim 13

A metal raceway structure adapted for use in concrete-metal composite floor constructions comprising an elongated metal deck having alternating ribs and valleys, a sheet underlying and cooperating with said metal deck to define a plurality of cells, said metal deck having first and second spaced generally downwardly open ribs of generally equal height, a third rib of lesser height than said first and second ribs being generally downwardly open and interposed between said first and second ribs, said ribs having a top wall and depending sidewalls, said first and second ribs having sidewall openings in sidewalls facing said third rib, said first and second rib sidewalls facing said third rib being spaced from said third rib, whereby when concrete is poured onto said metal deck it will enter the spaces between said sidewalls facing said third rib and said third rib, housing means having at least a portion disposed in overlying relationship with respect to said third rib, said housing means having a longitudinally projecting extension, an electrical receptacle disposed within said extension having socket means facing the interior of said housing means, said third rib having at least one top wall opening, wherein separate utility supply means may be disposed in said cells and access to utilities in all three cells may be had at a single location, said rib openings being located generally at the same longitudinal position, said third rib top wall being at a level of about 3/4 to 11/2 inch below the level of said first and second rib top walls, and said housing means having openings in communication with said rib openings whereby wires passing through said rib openings may extend into said housing means.

Claim 14

A metal raceway structure adapted for use in concrete-metal composite floor constructions comprising an elongated metal deck having alternating ribs and valleys, a sheet underlying and cooperating with said metal deck to define a plurality of cells, said metal deck having first and second spaced generally downwardly open ribs of generally equal height, a third rib of lesser height than said first and second ribs being generally downwardly open and interposed between said first and second ribs, said ribs having a top wall and depending sidewalls, said first and second ribs having sidewall openings in sidewalls facing said third rib, said first and second rib sidewalls facing said third rib being spaced from said third rib, whereby when concrete is poured onto said metal deck it will enter the spaces between said sidewalls facing said third rib and said third rib, housing means having at least a portion disposed in overlying relationship with respect to said third rib, said housing means having a longitudinally projecting extension, an electrical receptacle disposed within said extension having socket means facing the interior of said housing means, said third rib having at least one top wall opening, wherein separate utility supply means may be disposed in said cells and access to utilities in all three cells may be had at a single location, said rib openings being located generally at the same longitudinal position, said third rib top wall being at a level of about 3/4 to 11/2 inch below the level of said first and second rib top walls, and said housing means having openings in communication with said rib openings whereby wires passing through said rib openings may extend into said housing means.

Claim 15

A metal raceway structure adapted for use in concrete-metal composite floor constructions comprising an elongated metal deck having alternating ribs and valleys, a sheet underlying and cooperating with said metal deck to define a plurality of cells, said metal deck having first and second spaced generally downwardly open ribs of generally equal height, a third rib of lesser height than said first and second ribs being generally downwardly open and interposed between said first and second ribs, said ribs having a top wall and depending sidewalls, said first and second ribs having sidewall openings in sidewalls facing said third rib, said first and second rib sidewalls facing said third rib being spaced from said third rib, whereby when concrete is poured onto said metal deck it will enter the spaces between said sidewalls facing said third rib and said third rib, housing means having at least a portion disposed in overlying relationship with respect to said third rib, said housing means having a longitudinally projecting extension, an electrical receptacle disposed within said extension having socket means facing the interior of said housing means, said third rib having at least one top wall opening, whereby separate utility supply means may be disposed in said cells and access to utilities in all three cells may be had at a single location, said housing means having a second longitudinally projecting extension projecting in the opposite direction from said first extension, an electrical receptacle disposed within said second extension having socket means facing the interior of said housing means, said housing means having a pair of spaced end walls from which said extensions emerge, said electrical receptacles terminating at or adjacent said end walls, and said housing means having a pair of spaced sidewalls having portions of generally complementary configuration to said opening containing rib sidewalls.

Claim 16

A metal raceway structure adapted for use in concrete-metal composite floor constructions comprising an elongated metal deck having alternating ribs and valleys, a sheet underlying and cooperating with said metal deck to define a plurality of cells, said metal deck having first and second spaced generally downwardly open ribs of generally equal height, a third rib of lesser height than said first and second ribs being generally downwardly open and interposed between said first and second ribs, said ribs having a top wall and depending sidewalls, said first and second ribs having sidewall openings in sidewalls facing said third rib, said first and second rib sidewalls facing said third rib being spaced from said third rib, whereby when concrete is poured onto said metal deck it will enter the spaces between said sidewalls facing said third rib and said third rib, housing means having at least a portion disposed in overlying relationship with respect to said third rib, said housing means having a longitudinally projecting extension, an electrical receptacle disposed within said extension having socket means facing the interior of said housing means, said third rib having at least one top wall opening, whereby separate utility supply means may be disposed in said cells and access to utilities in all three cells may be had at a single location, said housing means having a second longitudinally projecting extension projecting in the opposite direction from said first extension, an electrical receptacle disposed within said second extension having socket means facing the interior of said housing means, said housing means having a pair of spaced end walls from which said extensions emerge, said electrical receptacles terminating at or adjacent said end walls, and said housing means having a pair of spaced sidewalls having portions of generally complementary configuration to said opening containing rib sidewalls.

Claim 17

The metal raceway structure of claim 13 including said housing means having closure means displaceably covering the top of said housing means.

Claim 18

The metal raceway structure of claim 14 including fastener means securing said housing means to said metal deck.

Claim 19

The metal raceway structure of claim 14 including said housing means closure means being disposed about 2 to 41/2 inches above the level of said first and second rib top walls, whereby displacement of said closure means will permit access to the interior of said housing means.

Claim 20

The metal raceway structure of claim 14 including a layer of concrete disposed in overlying relationship with respect to said metal deck and said housing means.

Claim 21

A utility access housing for securement to metal deck comprising a pair of spaced end walls, a pair of spaced sidewalls, said sidewalls having openings for passage of wires therethrough, and at least one said end wall having an outwardly projecting inwardly open extension for receiving an electrical receptacle, and an electrical receptacle disposed within said extension, whereby said housing will permit access to adjacent cells without substantial obstruction by said receptacle.

Claim 22

A utility access housing for securement to metal deck comprising a pair of spaced end walls, a pair of spaced sidewalls, said sidewalls having openings for passage of wires therethrough, and at least one said end wall having an outwardly projecting inwardly open extension for receiving an electrical receptacle, and an electrical receptacle disposed within said extension, whereby said housing will permit access to adjacent cells without substantial obstruction by said receptacle.

Claim 23

A utility access housing for securement to metal deck comprising a pair of spaced end walls, a pair of spaced sidewalls, said sidewalls having openings for passage of wires therethrough, at least one said end wall having an outwardly projecting extension for receiving an electrical receptacle, whereby said housing will permit access to adjacent cells without substantial obstruction by said receptacle, both said end walls having extensions for receiving electrical receptacles, and electrical receptacles disposed within both said extensions.

Claim 24

A utility access housing for securement to metal deck comprising a pair of spaced end walls, a pair of spaced sidewalls, said sidewalls having openings for passage of wires therethrough, at least one said end wall having an outwardly projecting extension for receiving an electrical receptacle, whereby said housing will permit access to adjacent cells without substantial obstruction by said receptacle, both said end walls having extensions for receiving electrical receptacles, and electrical receptacles disposed within both said extensions.

Claim 25

The electrical housing of claim 19 including said receptacles having their inner portions disposed generally aligned with or adjacent to said end walls.

Claim 26

The electrical housing of claim 20 including said housing having a bottom opening for passage of wire therethrough.

Claim 27

The electrical housing of claim 21 including said housing having closure means displaceably secured to the top of said housing, whereby displacement of said closure means will permit access to the interior of said housing.

Claim 28

The electrical housing of claim 22 including said sidewalls each having a lower portion which is oriented generally angularly outwardly and upwardly and a generally vertically oriented upper portion.