Patent ID: 8882423
Filing Date: 2014-11-11
Classification: B64D,F16B

Abstract:
1. A lightning-resistant fastener and airframe assembly comprising: a structure; a fastener member used for fastening the structure to an airframe, the fastener member being made of a conductive material; and a cap installed so as to cover the fastener member projecting to the interior side of the airframe, the cap being made of an insulating material, wherein the fastener member has an engaging part in a portion projecting to the interior side of the airframe, the cap has an engaged part to be engaged with the engaging part of the fastener member in a central portion of the inner peripheral surface of the cap, the cap being installed to the fastener member with the engaged part being engaged with the engaging part of the fastener member, a tip end part of the cap opposite to the engaged part abutting against the structure, and a circumferential gap being provided radially between the fastener member and a portion of the cap other than the engaged part, and an elastically deformable part is provided to allow the tip end part to abut against the structure while the engaged part is engaged with the engaging part, wherein, as the elastically deformable part, the cap has a part continuous in the circumferential direction of the cap having a smaller thickness than another part formed between the engaged part and the tip end part or at the tip end part.