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The present invention provides a barbecue grill assembly with a support frame assembly including a left and right frame assembly. These frame assemblies are formed from a front frame member, a rear frame member, and a side member that connects the front and rear frame members. The grill assembly can

The present invention provides a barbecue grill assembly with a support frame assembly including a left and right frame assembly. These frame assemblies are formed from a front frame member, a rear frame member, and a side member that connects the front and rear frame members. The grill assembly can have a first and a second horizontal member to connect the frame members of the left and right frame assemblies. The barbecue grill assembly further comprises a cooking chamber with a cover hingeably connected to a firebox. The firebox has a pair of opposed end walls with a mounting assembly that engages a limited extent of the front and rear frame members when the cooking chamber is connected to the support frame assembly. The end wall also have extending rails that define a channel configured to house conduit and fuel lines. Preferably, the left and right frame assemblies are pre-welded to facilitate assembly of the barbecue grill assembly.

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1. A barbecue grill assembly comprising:a support frame assembly having a left frame assembly and a right frame assembly, the left and right frame assemblies having a front frame member, a rear frame member, and a side member connecting the front and rear members; and, a cooking chamber having a fir

1. A barbecue grill assembly comprising:a support frame assembly having a left frame assembly and a right frame assembly, the left and right frame assemblies having a front frame member, a rear frame member, and a side member connecting the front and rear members; and, a cooking chamber having a firebox, the firebox having a pair of opposed end walls, each end wall having a mounting assembly extending from an outer surface of the end wall, wherein the mounting assembly has both a horizontal component that engages an upper surface of the front and rear frame members and a first vertical wall that engages an extent of an outer surface of the front frame member when the cooking chamber is connected to the support frame assembly. 2. The barbecue grill assembly of claim 1 wherein the mounting assembly extends substantially perpendicular to the outer surface of the end wall.3. The barbecue grill assembly of claim 2 wherein the mounting assembly engages an upper surface of the front and rear frame members.4. The barbecue grill assembly of claim 3 wherein the mounting assembly engages an outer surface of the front and rear frame members.5. The barbecue grill assembly of claim 1, the mounting assembly further having a second vertical wall that engages an extent of an outer surface of the rear frame member.6. The barbecue grill assembly of claim 1, the mounting assembly further having at least one rib extending from the outer surface of the end wall, wherein the rib engages an inner portion of the side member when the cooking chamber is connected to the support frame assembly.7. The barbecue grill assembly of claim 6 wherein a slot is defined between the mounting assembly and an upper edge of the side member.8. The barbecue grill assembly of claim 6 wherein the rib is positioned adjacent to the mounting assembly.9. The barbecue grill assembly of claim 8 wherein the rib has a width and the mounting assembly has a width, the rib width being less than the mounting assembly width.10. The barbecue grill assembly of claim 1, wherein the end wall is formed from a casting process.11. A barbecue grill assembly comprising:a support frame assembly having a left frame assembly and a right frame assembly, the left and right frame assemblies having a front frame member, a rear frame member, and a side member connecting the front and rear members, the support frame assembly further having at least one horizontal member that connects the front frame members of the left and right frame assemblies; and, a cooking chamber having a firebox, the firebox having a pair of opposed end walls, the end walls having a mounting ledge extending from an outer surface of the end wall, wherein the mounting ledge engages an upper surface of the front and rear frame members in an assembled position; and wherein a first vertical wall depends from the ledge and engages an extent of an outer surface of the front frame member in the assembled position. 12. The barbecue grill assembly of claim 11 wherein the mounting ledge is an elongated structure that extends substantially perpendicular to the outer surface of the end wall.13. The barbecue grill assembly of claim 11, wherein a second vertical wall depends from the ledge and engages an extent of an outer surface of the rear frame member in the assembled position.14. The barbecue grill assembly of claim 13, wherein the first and second vertical walls are spaced a distance along the ledge.15. The barbecue grill assembly of claim 14, wherein at least one rib extends from the outer surface of the end wall, and wherein the rib engages a portion of the side member in the assembled position.16. The barbecue grill assembly of claim 15 wherein the rib is positioned adjacent to the ledge.17. The barbecue grill assembly of claim 15 wherein a slot is defined between the ledge and an upper edge of the side wall.18. The barbecue grill assembly of claim 11 wherein the end wall has a receptacle configured to receive controls for the grill assembly.19. The barbecue grill assembly of claim 11 wherein the ledge is positioned above the first horizontal member in the assembled position.20. The barbecue grill assembly of claim 19, the support frame assembly further having a second horizontal member that connects the front frame members of the left and right frame assemblies.21. The barbecue grill assembly of claim 20 wherein the ledge and the first horizontal member are positioned above the second horizontal member in the assembled position.22. The barbecue grill assembly of claim 11 wherein the end wall and the ledge are formed from cast material.23. A barbecue grill assembly comprising:a support frame assembly having a left frame assembly and a right frame assembly, the left and right frame assemblies having a front frame member, a rear frame member, and a side member connecting the front and rear members; and, a cooking chamber having a firebox, the firebox having a pair of opposed end walls, the end walls having a mounting ledge extending from an outer surface of the end wall, the end wall further having a pair of rails extending from the outer surface of the end wall wherein the rails define a channel configured to receive and secure a conduit used during the operation of the grill assembly. 24. The barbecue grill assembly of claim 23 wherein the rails extend substantially perpendicular to the outer surface of the end wall.25. The barbecue grill assembly of claim 23 wherein the channel has a first opening configured to receive a first portion of the conduit.26. The barbecue grill assembly of claim 25 wherein the first opening is positioned adjacent a first end of the channel.27. The barbecue grill assembly of claim 25 wherein the channel has a second opening configured to receive a second portion of the conduit.28. The barbecue grill assembly of claim 23, wherein a first wall depends from a first end of the mounting ledge and second wall depends from a second end of the mounting ledge.29. The barbecue grill assembly of claim 28, wherein the channel has a first opening configured to receive a first portion of the conduit, the first opening positioned adjacent the first wall.30. The barbecue grill assembly of claim 29, wherein the channel has a second opening configured to receive a second portion of the conduit, the second opening positioned adjacent the second wall.31. The barbecue grill assembly of claim 23 wherein the mounting ledge engages a limited extent of the front and rear frame members when the cooking chamber is connected to the support frame assembly.32. The barbecue grill assembly of claim 31, wherein the channel does not engage the front and rear frame members when the cooking chamber is connected to the support frame assembly.33. The barbecue grill assembly of claim 23, wherein the end wall is formed from a casting process.34. The barbecue grill assembly of claim 23, wherein the end wall and the channel are integrally formed from cast material.