Patent ID: 11858608
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 16:
17. A multi-hulled aquatic vessel comprising:
a plurality of hulls; and
a modular superstructure spanning the plurality of hulls;
wherein the modular superstructure and the plurality of hulls collectively provide a shared interior space to the vessel;
wherein modular superstructure is configured for mobility;
wherein the modular superstructure includes a panel and frame joined by a fastener, the fastener including:
a flanged, internally threaded nut, extending through holes in the panel and the frame, wherein an air gap exists between the nut and the panel;
a dielectric washer sealing the nut to the frame; and
a bolt mated to the nut, wherein the bolt includes a head with a dished interior that contains a dielectric sealing insert that secures the panel.