US 12,215,743 B2
Stress reducing fastener assembly
Krzysztof D. Kopanski, Stratford, CT (US)
Assigned to LOCKHEED MARTIN CORPORATION, Bethesda, MD (US)
Filed by LOCKHEED MARTIN CORPORATION, Bethesda, MD (US)
Filed on Apr. 23, 2021, as Appl. No. 17/238,575.
Prior Publication US 2022/0341468 A1, Oct. 27, 2022
Int. Cl. B64C 27/48 (2006.01); F16C 17/02 (2006.01); F16C 35/02 (2006.01); B64C 11/04 (2006.01); F16B 5/02 (2006.01)
CPC F16C 35/02 (2013.01) [B64C 27/48 (2013.01); F16C 17/02 (2013.01); B64C 11/04 (2013.01); F16B 5/0258 (2013.01); Y10T 403/7064 (2015.01); Y10T 403/75 (2015.01)] 15 Claims
OG exemplary drawing
 
1. A system to fasten a first structure and a second structure, the system comprising:
a first bushing positioned within a first opening in an upper surface of the first structure, an inner opening of the first bushing defining an inner diameter; and
a fastener partially positioned within the first bushing and partially positioned in a second opening in the second structure, the first bushing not extending into the second opening, an outer surface of the fastener defining an outer diameter of the fastener, the first bushing and the fastener being configured such that a space between the outer surface of the fastener and the inner opening of the first bushing defines a gap, the gap being dimensioned to increase in size in a direction extending from the upper surface to a lower surface of the first structure.