Patent ID: 7794852
Filing Date: 2010-09-14
Classification: F16F,Y10T

Abstract:
1. A flanged plate for an air spring comprising: a rim; a base for a rolling-lobe of said air spring; a convex arcuate portion connecting said rim to said base thereby forming said flanged plate having a convex outer surface at said convex arcuate portion; said flanged plate being made of sheet material having a predetermined thickness; an annular continuous concave holding recess formed in said flanged plate at said convex outer surface and said concave holding recess having a depth causing the thickness of said sheet material of said flanged plate at said recess to be less than said predetermined thickness; a corrosion protective layer covering said flanged plate including said holding recess; and, said concave holding recess extending annularly only in the region of said convex arcuate portion.