Spring mount for fan motor of ventilating equipment

Claim 1

A MOUNT FOR AN ELECTRICAL MOTOR HAVING A DRIVE SHAFT PROJECTING FROM ONE END THEREOF AND A FAN ON SAID SHAFT, SAID MOUNT MEANS COMPRISING A FIRST RING SURROUNDING THE END OF THE MOTOR OPPOSITE THE END FROM WHICH SAID DRIVE SHAFT PROJECTS, SAID FIRST RING BEING CONCENTRIC TO THE AXIS OF THE MOTOR AND BEING OF A SIZE TO PROVIDE AN ANNULAR SPACE BETWEEN THE MOTOR AND THE RING, MEANS TO MOUNT SAID FIRST RING IN AN OPENING THROUGH WHICH AIR IS TO BE MOVED BY SAID FAN, A SECOND RING DISPOSED IN SPACED PARALLEL RELATION TO SAID FIRST RING AND AFFIXED TO THE END OF THE MOTOR FROM WHICH SAID DRIVE SHAFT PROJECTS, AT LEAST THREE FLAT LEAF SPRINGS HAVING FIRST ENDS AFFIXED TO SAID FIRST RING AND SECOND ENDS AFFIXED TO SAID SECOND RING, SAID LEAF SPRINGS ARRANGED SYMMETRICALLY AROUND SAID MOTOR AND PRESENTING FLAT FACES TOWARD SAID MOTOR OVER SUBSTANTIALLY THE FULL LENGTH OF SAID MOTOR, AND EACH OF SAID SPRINGS HAVING A BOW PORTION PROJECTING BEYOND THE PLANE OF SAID FIRST RING IN THE DIRECTION AWAY FROM SAID RING.