Patent ID: 7217100

Claim:
A device for holding an annular end plate against a radial face of a rotor disc, the disc having in the radial face an annular recess delimited by a plurality of walls, one of which is formed by an inside face of a collar extending radially outwards, and the end plate having, in its radially inner part, an annular base bearing against a radially outer wall of the recess and a foot extending radially inwards in the recess from the base, the device comprising: a split annular retaining ring disposed in the recess, this ring having a first radial surface bearing against the inside face of the collar, a second radial surface bearing against an axially outside face of the foot and a peripheral surface butting against the foot or the base, wherein the ring is a snap ring interposed axially between the foot of the end plate and the collar, and the peripheral surface of the ring butts against the base, the peripheral surface of the ring including a first plurality of notches and the collar including a corresponding second plurality of notches, both first and second plurality of notches open radially outwards and are configured to line up to receive compression tools for the snap ring, which tools retract into a contour of the collar during assembly or disassembly of the end plate.