Friction plates
AssigneeGirling Limited
InventorsBrian Robert Allen, Anthony William Harrison
Life of this patent
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Abstract
A friction plate for use, inter alia in a vehicle disc brake includes a metal backing plate and a plurality of friction pads carried by the backing plate on one major surface thereof. The friction pads are arranged on one major surface in first and second, circular rows which bound respectively first and second concentric, circular annuli. The external diameter of the first annulus is less than the external diameter of the second annulus, but is greater than the internal diameter of the second annulus so that the annuli overlap.
Claims4
A friction plate including a metal backing plate and a plurality of friction pads carried by the backing plate on one surface thereof, all the friction pads on said one surface of the backing plate being contained in first and second, circular rows which extend around said one surface of the backing plate and which bound respectively first and second concentric, circular annuli, the external diameter of the first annulus being less than the external diameter of the second annulus but greater than the internal diameter of the second annulus so that the annuli overlap, and the friction pads in each of said first and second rows having their centers disposed at a constant radial distance from the center of the backing plate, but the number of said friction pads in the second row exceeding the number of said friction pads in the first row.
Dependencies are inferred from the claim text.