Trenchduct connector units

Claim 2

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectangular shaped base; a first side piece disposed on one edge of the base, the first side piece comprising a riser extending normally, upwardly from the base and a flange extending outwardly from the top of the riser parallel to the base, the riser and flange being integral with the base by that an extension of the base having been bent to form the riser and flange; a second side piece disposed on an adjacent edge of the base and extending generally normal to the first side piece, the second side piece comprising a foot section welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser overlying said foot and co-planar with first said flange and the riser including a portion bent back in the direction of the foot and the flange so as to be co-extensive therewith And extend therebetween, the bent-back portion and first said riser being spaced apart and parallel one another to form a side opening for alignment with the trench to which the connector unit is to be secured; a trench coupler on one side of said opening, the coupler being disposed in the space between the foot and flange of the second side piece and the coupler comprising a pair of spaced apart, flat, co-planar legs at least one of which is welded to the foot, a center section raised above the legs and having an upstanding coupling flange; and a trench connecting device on the other side of said opening, the device being welded to the outside of first said riser, and having a coupling flange co-planar with the first said coupling flange, said coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.

Claim 3

A construction in accordance with claim 1 further including: a first side rail disposed above said first side piece, the side rail comprising a side leg disposed closely adjacent the riser of the first side piece, a flange overlying the flange of the first side piece and a screed flange extending upwardly from the flange of the first side rail; means on the flange of the first side piece supporting the first side rail and providing for vertical adjustment of the first side rail with respect to the first side piece; a second side rail disposed above said second side piece, the side rail comprising a side leg disposed closely adjacent the riser of the second side piece, a flange overlying the flange of the second side piece and a screed flange extending upwardly from the flange of the second side rail, the side leg including a portion bent back and extending generally parallel to and co-extensive with the bent-back portion of the riser of said second side piece; and means on the flange of the second side piece supporting the second side rail and providing for vertical adjustment of the second side rail with respect to the second side piece.

Claim 4

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectangular shaped base; a first side piece disposed on one edge of the base, the first side piece comprising a foot welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser parallel the base and overlying said foot and the riser having a portion bent back in the direction of the foot and the flange so as to be co-extensive therewith and extend therebetween; a second side piece disposed on the same edge of the base as the first side piece, the second side piece comprising a foot welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser and overlying the foot, the riser having a portion bent back in the direction of the foot and the flange so as to be co-extensive therewith and extend therebetween, said bent-back portion on the first side piece and the bent-back portion on the second side piece being spaced apart and parallel to one another to form a side opening for alignment with the trench to which the connector unit is to be secured, said risers and flanges being respectively co-planar; a trench coupler on one side of said opening, the coupler being disposed in the space between the foot and flange of the first side piece and the coupler comprising a pair of spaced apart, flat, co-planar legs at least one of which is welded to the foot and one of which is adjacent the bent-back portion of the riser of the first side piece and a center section raised above the legs and having an upstanding coupling flange; and a second trench coupler on the other side of said opening, the second coupler disposed in the space between the foot and flange of the second side piece, the second coupLer comprising a pair of spaced apart legs at least one of which is welded to the foot and one of which is adjacent the bent-back portion of the riser of the second side piece and a center section raised above the legs and having an upstanding coupling flange co-planar with first said coupling flange, the coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.

Claim 5

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectangular shaped base; a first side piece disposed on one edge of the base, the first side piece comprising a foot welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser parallel the base and overlying said foot and the riser having a portion bent back in the direction of the foot and the flange so as to be co-extensive therewith and extend therebetween; a second side piece disposed on the same edge of the base as the first side piece, the second side piece comprising a foot welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser and overlying the foot, the riser having a portion bent back in the direction of the foot and the flange so as to be co-extensive therewith and extend therebetween, said bent-back portion on the first side piece and the bent-back portion on the second side piece being spaced apart and parallel to one another to form a side opening for alignment with the trench to which the connector unit is to be secured, said risers and flanges being respectively co-planar; a trench coupler on one side of said opening, the coupler being disposed in the space between the foot and flange of the first side piece and the coupler comprising a pair of spaced apart, flat, co-planar legs at least one of which is welded to the foot and one of which is adjacent the bent-back portion of the riser of the first side piece and a center section raised above the legs and having an upstanding coupling flange; and a second trench coupler on the other side of said opening, the second coupler disposed in the space between the foot and flange of the second side piece, the second coupLer comprising a pair of spaced apart legs at least one of which is welded to the foot and one of which is adjacent the bent-back portion of the riser of the second side piece and a center section raised above the legs and having an upstanding coupling flange co-planar with first said coupling flange, the coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.

Claim 6

A construction in accordance with claim 3 further including: a first side rail disposed above said first side piece, the side rail comprising a side leg disposed closely adjacent the riser of the first side piece, a flange overlying the flange of the first side piece and a screed flange extending upwardly from the flange of the first side rail, the side leg including a portion bent back and extending generally parallel to and co-extensive with the bent-back portion of the riser of said first side piece; means on the flange of the first side piece supporting the first side rail and providing for vertical adjustment of the first side rail with respect to the first side piece; a second side rail disposed above said second side piece, the side rail comprising a side leg disposed closely adjacent the riser of the second side piece, a flange overlying the flange of the second side piece and a screed flange extending upwardly from the flange of the second side rail, the side leg including a portion bent back and extending generally parallel to and co-extensive with the bent-back portion of the riser of said second side piece, the bent-back portion of the first side rail and the bent-back portion of the second side rail being spaced apart and parallel one another and extending into said opening; means on the flange of the second side piece supporting the second side rail and providing for vertical adjustment of the second side rail with respect to the second side piece.

Claim 7

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectangular shaped base, a first side piece disposed on one edge of the base, the first side piece comprising a foot section welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser parallel said base and overlying said foot; a second side piece disposed on the opposite edge of the base, and extending generally parallel to the first side piece, the second side piece comprising a foot section welded to the base, a riser extending normally upwardly from the foot and a flange extending from the top of the riser overlying the foot and co-planar first said flange, said risers being spaced from and parallel to one another to form an end opening for alignment with the trench to which the connector unit is to be secured; a first trench coupler on one side of said opening, the coupler comprising a pair of spacedapart, flat, co-planar legs and a center section raised above the legs and having an upstanding coupling flange, one of the legs being welded to the foot section of the first said side piece and the upstanding coupling flange normal to the riser of said first side piece; and a second trench coupler on the other side of said opening, the coupler comprising a pair of spaced apart, flat, co-planar legs and a center section raised above the legs and having an upstanding coupling flange, one of the legs being welded to the foot section of said second side piece and the upstanding coupling flange being co-planar first said upstanding coupling flange, the coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.

Claim 8

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectangular shaped base, a first side piece disposed on one edge of the base, the first side piece comprising a foot section welded to the base, a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser parallel said base and overlying said foot; a second side piece disposed on the opposite edge of the base, and extending generally parallel to the first side piece, the second side piece comprising a foot section welded to the base, a riser extending normally upwardly from the foot and a flange extending from the top of the riser overlying the foot and co-planar first said flange, said risers being spaced from and parallel to one another to form an end opening for alignment with the trench to which the connector unit is to be secured; a first trench coupler on one side of said opening, the coupler comprising a pair of spacedapart, flat, co-planar legs and a center section raised above the legs and having an upstanding coupling flange, one of the legs being welded to the foot section of the first said side piece and the upstanding coupling flange normal to the riser of said first side piece; and a second trench coupler on the other side of said opening, the coupler comprising a pair of spaced apart, flat, co-planar legs and a center section raised above the legs and having an upstanding coupling flange, one of the legs being welded to the foot section of said second side piece and the upstanding coupling flange being co-planar first said upstanding coupling flange, the coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.

Claim 9

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectanGular shaped base, a first side piece disposed on one edge of the base, the first side piece comprising a riser extending normally upwardly from the base and a flange extending outwardly from the top of the riser parallel to the base, the riser and flange being integral with the base by that an extension of the base having been bent to form the riser and flange; a second side piece disposed on the opposite edge of the base and extending generally parallel to the first side piece, the second side piece comprising a foot section welded to the base and a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser overlying said foot and co-planar with first said flange and the riser including a portion parallel to and spaced from first said riser to form an end opening for alignment with the trench to which the connector unit is to be secured; a trench coupler on one side of said opening, the coupler being disposed in the space between the foot and flange of the second side piece, the coupler comprising a pair of spaced apart, flat, co-planar legs and a center section raised above the legs and having an upstanding coupling flange, one of the legs being welded to said foot so that the upstanding coupling flange is normal to the riser of the second side piece; and a trench connecting device on the other side of said opening, the device being welded to the outside of the riser of first said side piece and having a coupling flange co-planar with first said coupling flange, said coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.

Claim 10

In a trenchduct connector unit to provide a connection between two trenchduct runs oriented at an angle to one another, the subcombination comprising: a flat, rectanGular shaped base, a first side piece disposed on one edge of the base, the first side piece comprising a riser extending normally upwardly from the base and a flange extending outwardly from the top of the riser parallel to the base, the riser and flange being integral with the base by that an extension of the base having been bent to form the riser and flange; a second side piece disposed on the opposite edge of the base and extending generally parallel to the first side piece, the second side piece comprising a foot section welded to the base and a riser extending normally upwardly from one edge of the foot and a flange extending from the top of the riser overlying said foot and co-planar with first said flange and the riser including a portion parallel to and spaced from first said riser to form an end opening for alignment with the trench to which the connector unit is to be secured; a trench coupler on one side of said opening, the coupler being disposed in the space between the foot and flange of the second side piece, the coupler comprising a pair of spaced apart, flat, co-planar legs and a center section raised above the legs and having an upstanding coupling flange, one of the legs being welded to said foot so that the upstanding coupling flange is normal to the riser of the second side piece; and a trench connecting device on the other side of said opening, the device being welded to the outside of the riser of first said side piece and having a coupling flange co-planar with first said coupling flange, said coupling flanges being for use in respectively abutting coupling flanges on trench connecting devices on the trench with which said opening is aligned.