Patent ID: 7578473
Filing Date: 2009-08-25
Classification: B64C,Y10T

Abstract:
1. A rib for use in an aircraft, the rib comprising a web extending between first and second flanged portions, each flanged portion having a flange that facilitates fixing of the rib to another component of the aircraft, the web having a first face on a first side and a second face on a second side opposite to the first side of the web, wherein the sum volume of all of the flanged material, at the same end of the rib as the first flanged portion, extending to the first side is significantly greater than the sum volume of material, if any, of the sum volume of all of the flanged material, at the same end of the rib as the first flanged portion, extending to the second side, the sum volume of all of the flanged material, at the same end of the rib as the second flanged portion, extending to the second side is significantly greater than the sum volume of material, if any, of the sum volume of all of the flanged material, at the same end of the rib as the second flanged portion, extending to the first side, and each of the first and second flanged portions extend from the web at an angle of between about 95 degrees and about 120 degrees.