Patent ID: 8208677

Claim:
A suspension member being elastically deformable for use in a speaker, said suspension member comprising: an inner diameter portion for the mounting of a cone, an outer diameter portion spaced around said inner diameter portion at a predetermined distance for fastening to a basket, a first annular convex surface portion radially connected between said inner diameter portion and said outer diameter portion and extending around said inner diameter portion and constituting a summit, and a plurality of second annular convex surface portions, wherein the plurality of second annular convex surface portions are symmetrically arranged relative to said first annular convex surface portion, one of the second annular convex surface portions being arranged between the inner diameter portion and the first annular convex surface portion and concentrically surrounding said inner diameter portion, and the other of the second annular convex surface portions being arranged between the first annular convex surface portion and the outer diameter portion and concentrically surrounding the first annular convex surface portion, and wherein the one and the other second annular convex surface portions constitute summit ridges which comprise a height below said summit and above the elevations of said inner diameter portion and said outer diameter portion.