Support for mounting a rear vision mirror on a windshield

Claim 1

A SUPPORT FOR SUPPORTING A REAR VISION MIRROR ASSEMBLY FROM THE GLASS WINDSHIELD OF A VEHICLE, SAID REAR VISION MIRROR ASSEMBLY INCLUDING AN ATTACHING BALL AND A NECK CONNECTING SAID ATTACHING BALL WITH THE REAR VISION MIRROR, COMPRISING A BASE HAVING ONE BROAD FACE ADAPTED TO BE SECURED DIRECTLY TO THE INSIDE FACE OF SAID WINDSHIELD AND HAVING A CENTRAL CONCAVITY IN ITS OPPOSITE FACE, A CAP PLATE MEMBER HAVING A LATERALLY PROJECTING MARGINAL FLANGE MEANS ALONG OPPOSITE SIDES OF THE PERIPHERY OF SAID BASE AND HAVING A CENTRAL THROUGH OPENING ALONGSIDE AN INTERNAL SPHERICAL CONCAVITY OPPOSING SAID CONCAVITY OF SAID BASE, SAID MOUNTING BALL BEING ARRANGED IN SAID CONCAVITIES IN CONTACT WITH SAID SPHERICAL CONCAVITY OF SAID CAP PLATE MEMBER AND WITH SAID STEM PROJECTING OUT THROUGH SAID CENTRAL THROUGH OPENING, A SHEET METAL SPRING PLATE MEMBER INTERPOSED BETWEEN SAID BASE AND CAP PLATE MEMBER AND HAVING A CENTRAL PORTION OFFSET INTO SAID CONCAVITY OF SAID BASE AND PROVIDING SPHERICAL CONCAVITY IN CONTACT WITH SAID MOUNTING BALL, AND MEANS SECURING SAID PLATE MEMBERS TO SAID BASE AND PROVIDING PRESSURE CONTACT OF SAID SPRING PLATE MEMBER AGAINST SAID BALL.