Title:
LIGHTNING DAMAGE RESISTANT ONE-SIDED INSTALLATION
Document Type and Number:
Japanese Patent JP2021119313
Kind Code:
A
Abstract:
To provide a structural fastener which provides resistance to occurrence of internal structural damage to an aircraft from electromagnetic effect (EME) of a lightning strike.SOLUTION: A fastener assembly includes a bolt having a head and having a shank. The shank defines threads, the bolt defines a channel which extends circumferentially about the bolt, and the head defines multiple head channels each having a first end in communication with the channel and a second end in communication with an outside of the head positioned at a top surface of the head. The fastener assembly further includes a sleeve having threads compatible for engaging the threads of the bolt. The sleeve includes a portion of the sleeve including an annealed material and multiple slots defined through the sleeve. With the bolt positioned within the sleeve, each of the multiple slots defined through the sleeve is positioned in communication with the channel.SELECTED DRAWING: Figure 5
Inventors:
SHAHRIAR KHOSRAVANI
Application Number:
JP2021001885A
Publication Date:
August 12, 2021
Filing Date:
January 08, 2021
Export Citation:
Assignee:
BOEING CO
International Classes:
F16B37/04; B64C1/00; B64D45/02; F16B31/02; F16B35/00
Attorney, Agent or Firm:
Sonoda/Kobayashi Patent Business Corporation