US Patent 11519442 Blind assembly fastener system

Disclosed are systems and methods for coupling a first panel to a second panel via a fastening system. The fastening system comprises fastener and a doghouse structure. The fastener includes a head assembly coupled to a collar. The collar is configured to pass through and to retain the second panel via an opening formed in the second panel. The doghouse structure defines a chamber that is configured to receive and secure the head assembly. The doghouse structure is positioned on the first panel and is configured to pass at least partially through the opening.