Patent ID: 6565303
Filing Date: 2003-05-20
Classification: E04D,F16B

Abstract:
A washer for receiving a securing member in an opening provided therein, the opening having a cross sectional area, the securing member having a threaded shaft and a head which has a cross sectional area greater than the cross sectional area of the opening, the washer comprising:a body having a substantially planar top surface, a thickness dimension, and a bottom surface having a substantially planar region, the body further having an opening sized to permit a securing member to pass therethrough; a plurality of flexible fingers positioned around the opening on the bottom side of the body, the fingers extending away from the bottom surface, the fingers being positioned about the opening and having at least a portion extending into the space over the opening, wherein the bottom surface is provided with a platform that extends away from the substantially planar region of the bottom surface where the opening and fingers are situated.