Patent ID: 7222402

Claim:
A method of forming a portion of a box spring or mattress foundation, the method comprising: providing a base; locating a wood frame on the base, the wood frame including a plurality of spaced apart, generally parallel frame sections; locating a plurality of modules arranged in a plurality of rows on the frame, each row including a plurality of modules formed from a continuous metal wire with each module having a top portion spaced apart from the frame, first and second side portions extending downwardly from the top portion, and a bottom portion connecting the first and second side portions, the bottom portion being positioned on one of the frame sections and the first and second side portions of the module being spaced apart to define an open access area above the bottom portion; locating a fastening tool above the base; providing a module alignment device; moving the module with the module alignment device; moving the fastening tool without the use of a vision guidance system in a direction generally perpendicular relative to the base and through the open access area of a module until the fastening tool is located at a target fastening location; and securing the bottom portion of the module to the frame at the target fastening location with the fastening tool.