Cover plate for gas turbine rotor

摘要

A cover plate for a bladed rotor in a turbine section of a gas turbine engine which comprises an annular plate segment comprising a plurality of spaced-apart seats with each seat coincident with a rivet. The rivets are the rivets used for anchoring the root of the blade in the disc, and the seats and the covers have frusto-conical surfaces having an axis which is the axis of the rivet.