Electrical switching device having minimal contact bounce

Claim 1

IN AN ELECTRIC SWITCHING DEVICE, A BASE MEMBER HAVING GUIDE MEANS FORMED THEREON, A CARRIAGE SLIDABLY RECEIVED BY SAID GUIDE MEANS, A SINGLE ARM MOUNTED IN SAID DEVICE IN CANTILEVER FASHION WITH THE FREE END OF SAID ARM EXTENDING TO SAID CARRIAGE, A SPRING ENTIRELY LOCATED WITHIN SAID CARRIAGE AND BEING POSITIONED BETWEEN SAID CARRIAGE AND SAID FREE END OF SAID ARM AND BEING CONTINUOUSLY STRESSED AND BIASING SAID ARM IN ONE DIRECTION, A MOVABLE CONTACT CARRIED BY SAID ARM INTERMEDIATE ITS ENDS, ANOTHER CONTACT ENGAGEABLE BY SAID MOVABLE CONTACT, ACTUATING MEANS FOR MOVING SAID CARRIAGE BETWEEN TWO POSITIONS TO OPEN AND CLOSE SAID CONTACTS, SAID CARRIAGE ACTUATING SAID ARM WITH SAID MOVABLE CONTACT THROUGH SAID SPRING, SAID MOVABLE CONTACT INITIALLY CLOSING WITH SAID OTHER CONTACT INTERMEDIATE THE TWO POSITIONS OF SAID CARRIAGE WTH THE OVERTRAVEL OF SAID CARRIAGE TO THE COMPLETION OF ITS MOVEMENT FURTHER STRESSING THE SPRING AGAINST SAID ARM AND FLEXING SAID ARM, THEREBY PRESSING AND WIPING SAID CONTACTS TOGETHER AND DAMPING CONTACT BOUNCE.