Wedge spring washer

Claim 1

A RESILIENT ONE-PIECE APERTURE WASHER INCLUDING A FIRST ARCHED BODY PORTION WITH A CONTINUOUS OUTER MARGIN WHICH LIES SUBSTANTIALLY IN A SINGLE PLANE AND FORMS THE BASE AND OUTER MARGIN OF SAID WASHER BODY, SAID FIRST ARCHED BODY PORTION BEING A SUBSTANTIALLY CONICAL SURFACE OF REVOLUTION FORMED BY ROTATING A LINE DISPOSED AT AN ACUTE ANGLE TO THE BASE ABOUT THE AXIS OF THE WASHER, SAID LINE BEING SELECTED FROM LIMITS OF STRAIGHT TO SLIGHTLY CONVEX OUTWARDLY RELATIVE TO THE AXIS OF ROTATION, SAID FIRST ARCHED BODY PORTION BEING OF SUBSTANTIALLY UNIFORM CONFIGURATION IN CROSS-SECTION SUCH THAT IF SAID ARCHED BODY PORTION WERE AN UNINTERRUPTED SURFACE ALL OPPOSITELY ARRANGED SURFACES IN CROSS-SECTION RELATIVE TO THE AXIS OF SAID BODY AND RELATIVE TO THE PLANE OF BASE WOULD BE SUBSTANTIALLY SYMMETRICAL, SAID OUTER MARGIN LYING IN AND DEFINING THE BASE OF SAID SURFACE OF REVOLUTION, A SECOND BODY PORTION OF PLANAR CONFIGURATION ECCENTRICALLY POSITIONED ON AND ANGULARLY DISPOSED RELATIVE TO SAID FIRST ARCHED BODY PORTION, SAID SECOND PORTION FORMING AN INCLUDED ANGLE BETWEEN ITSELF AND THE PLANE BASE THROUGH SAID OUTER MARGIN SMALLER THAN THE INCLUDED ANGLE BETWEEN SAID ARCHED BODY PORTION AND SAID PLANE, SAID PLANAR BODY PORTION ENCOMPASSING AN APERTURE IN SAID WASHER, SAID APERTURE BENG CONCENTRIC RELATIVE TO THE CONTINUOUS OUTER MARGIN OF THE WASHER BODY AND ECCENTRIC TO THE OUTER MARGINS OF SAID PLANAR PORTION, THE JUNCTURE BETWEEN SAID ARCHED AND PLANAR BODY PORTIONS FORMING A CURVILINEAR PROJECTION A PORTION OF WHICH HAS AN APICAL HEIGHT GREATER THAN THE REMAINDER OF THE ARCHED BODY PORTION FOR STRENGTHENING THE COMPRESSIVE RESISTANCE OF SAID WASHER WHEN SUBJECTED TO A COMPRESSIVE FORCE, SAID WASHER BEING SO CONSTRUCTED THAT WHEN UTILIZED BETWEEN TWO SURFACES MOVABLE AXIALLY RELATIVE TO THE AXIS OF THE WASHER SAID CURVILINEAR PORJECTION AND SAID BASE WILL BE THE FIRST PORTIONS OF THE WASHER ENGAGED BY SAID MOVABLE SURFACES.