Clutch facings
AssigneeFerodo Limited
InventorRoy G. East
Life of this patent
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Abstract
A moulded annular clutch facing has a plurality of surface grooves moulded into the facing. Each groove extends not substantially more than half way across the annulus, is not greater than 40% of the thickness of the facing in depth and extends either from the bore or the outer perimeter of the annulus.
Claims9
A moulded annular clutch facing having a plurality of inwardly extending surface grooves extending from the outside perimeter of the annulus and a plurality of outwardly extending surface grooves extending from the bore of the annulus, the inwardly extending grooves being directed between the outwardly extending grooves, all the grooves being not greater in depth than 40% of the thickness of the facing and all of the grooves each extending across not substantially more than half of the width of the annulus.
Dependencies are inferred from the claim text.