US 12,227,289 B2
Rotorcraft provided with an airframe carried by a skid landing gear with zones for taking up variable forces
Olivier Honnorat, Aix en Provence (FR); Nicolas Genelot, Coudoux (FR); and Jérôme Benausse, La Verdiere (FR)
Assigned to AIRBUS HELICOPTERS, Marignane (FR)
Filed by AIRBUS HELICOPTERS, Marignane (FR)
Filed on Dec. 26, 2023, as Appl. No. 18/396,597.
Claims priority of application No. 2303075 (FR), filed on Mar. 30, 2023.
Prior Publication US 2024/0326991 A1, Oct. 3, 2024
Int. Cl. B64C 25/52 (2006.01); B64C 25/32 (2006.01)
CPC B64C 25/52 (2013.01) [B64C 2025/325 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A rotorcraft provided with a rotary wing and a skid landing gear, the landing gear being provided with a first skid and a second skid as well as a first cross-member and a second cross-member each linking the first skid to the second skid, the first cross-member and the second cross-member each having a first descending branch secured to the first skid and a second descending branch secured to the second skid and a central branch linking the first branch to the second branch, the first cross-member being connected to an airframe of the rotorcraft only by two fastenings,
wherein the second cross-member is only carried during flight by two supports fastened to the airframe, the two supports being traversed by the second cross-member, each support comprising a hole delimited by a stop surface of this support, the second cross-member always being separated from each stop surface by a clearance, the airframe carrying a median supporting member arranged transversely between the two supports and above the second cross-member when the rotorcraft is resting on horizontal ground, the second cross-member bearing against the median supporting member and the clearances being present above the second cross-member when the rotorcraft is resting on the ground and in the absence of vertical acceleration and plastic deformation of the second cross-member.