Patent ID: 11939771
Assignee: NUCOR CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 18:
19. The roof system of claim 12, wherein the first upper end comprises a nested end, wherein the nested end comprises a nested channel comprising:
a nested lower channel flange:
a first nested upper channel flange and a second nested upper channel flange; and
a first nested channel web and a second nested channel web;
wherein the first nested channel web operatively couples the nested lower channel flange and the first nested upper channel flange, and wherein the second nested channel web operatively couples the lower nested channel flange to the second nested upper channel flange; and
wherein the nested lower channel flange has lower nested flange width that is less than a lower channel flange width of the upper portion; and
wherein the nested channel at the first upper end of the first support member nests within the second upper end of the second support member.