Apparatus and method of construction of an overhead door

摘要

An overhead door frame apparatus having a plurality of elongated structural C-channel members. At least one of the members has a tube secured within and perpendicular to the first member and having a flat plate attached to an outside of the tube. At least an adjacent C-channel member of the plurality of members having a closed end. At least one fastener passes through the flat plate and through the tube of the first member and through the adjacent member.

主权项

1. An overhead door frame apparatus which comprises:
a plurality of elongated structural C-channel members, wherein said plurality of elongated structural C-channel members includes a plurality of first elongated structural C-channel members horizontally aligned and a plurality of adjacent C-channel members perpendicular to said plurality of first elongated structural C-channel members, at least one of the plurality of first elongated structural C-channel members having a tube residing and secured within and perpendicular to said at least one of the plurality of first elongated structural C-channel member and having a spacer attached to an outside of the tube, and at least one of said plurality of adjacent C-channel members having a closed end; at least one fastener passing through said spacer and said tube of said at least one of the plurality of first elongated structural C-channel member and through said closed end of said at least one adjacent C-channel member; such that said plurality of first elongated structural C-channel members, said plurality of adjacent C-channel members, and said at least one fastener together form a single-piece overhead door.