Patent ID: 9689278
Date: 2017-06-27
CPC Classifications: B23P,F01D,Y10T

Claim:
1. Rotor disk fitted with a plurality of circumferentially distributed hooks, each hook having: a first element starting on a transverse flank of said rotor disk and extending along the longitudinal axis of said rotor disk, a second element starting at the end of said first element, said second element extending radially in the direction of the longitudinal axis of said rotor disk, said second element including transverse flanks, in which the set of hooks define an annular groove adapted to cooperate with at least two flange sectors, at least one of said hooks comprising a second element through which a recess is formed which opens up at each of the transverse flanks of said second element and at the internal peripheral surface of said second element, and in which the recess is below the internal radius of curvature of the junction between the first element and the second element of the hook.