Patent ID: 6194803
Filing Date: 2001-02-27
Classification: F16D,Y10T

Abstract:
An armature assembly for a selectively engageable and disengageable electromagnetic coupling, said armature assembly comprising:a hub having a central axis;a spider made of resiliently yieldable plastic having a sleeve portion, a web portion, and hinge means integral with said sleeve portion and said web portion for permitting said web portion to flex axially back and forth relative to said sleeve, said sleeve portion being telescoped over said hub and captivated against rotational and axial movement relative to the hub, said web portion projecting radially from said sleeve;an annular armature disc made of material having a relatively low magnetic reluctance and spaced axially from said web portion;an annulus of compressible sound damping material having a first side disposed against said armature disc and a second side, opposite said first side, disposed against said web portion of said spider, said annulus including strands of fiber; and,means for securing said armature disc and said spider to each other while placing said annulus in substantially constant axial compression between said disc and said web portionwherein said annulus comprises elastomeric material and said strands comprise fiberglass material.