Switch which reduces rebounding of its contacts

Claim 1

IN AN ELECTRIC SWITCH, THE COMBINATION WHICH COMPRISES: STATIONARY AND MOVABLE CONTACT MEANS; ACTUATOR MEANS FOR MOVING SAID MOVABLE CONTACT MEANS RELATIVE TO SAID STATIONARY MEANS, SAID ACTUATOR MEANS INCLUDING A STATIONARY MAGNET AND A MOVEABLE ARMATURE COOPERATING WITH SAID MAGNET, SAID ARMATURE BEING CONNECTED TO SAID MOVABLE CONTACT MEANS AND FORMING THEREWITH A MOVABLE CONTACT ASSEMBLY; A SUPPORT SUPPORTING SAID MAGNET AND SAID STATIONARY CONTACT MEANS; AND MEANS FOR KEEPING AWAY FROM SAID STATIONARY CONTACT MEANS OSCILLATORY ENERGY WHICH IS HIGHER IN FREQUENCY THAN THE NATURAL FREQUENCY OF THE MOVABLE CONTACT ASSEMBLY AND WHICH IS PRODUCED UPON THE INPACT OF SAID MOVABLE CONTACT ASSEMBLY AGAINST SAID MAGNET, SAID MEANS INCLUDING A BUFFER DEVICE INTERPOSED BETWEEN SAID SUPPORT AND SAID MAGNET, AND SAID BUFER DEVICE BEING A LOW-PASS FILTER, SAID MOVABLE CONTACT MEANS INCLUDING A CONTACT SPRING, AND THE RELATIONSHIP BETWEEN THE MASS MM OF SAID MAGNET, THE CONSTANT CD OF SAID BUFFER DEVICE, THE MASS MC OF SAID MOVABLE CONTACT MEANS, AND CONSTANT CC OF SAID CONTACT SPRING BEING SUBSTANTIALLY AS FOLLOW: