Patent ID: 7539329

Claim:
An electronic device, comprising: an enclosure having a circular opening; a cup-shaped plate mounted within the circular opening, the cup-shaped plate having a circular cutout that is concentric with its center; a fingerprint sensor seated atop the cup-shaped plate, the fingerprint sensor having a curved underside that mates with a top surface of the cup-shaped plate, the fingerprint sensor having an elongated member that extends perpendicularly downward from the center of the curved underside of the fingerprint sensor, the elongated member extending through the circular cutout, the elongated member having a flared out portion at an end opposite the curved underside of the fingerprint sensor; an end cap flush with an underside of the cup-shaped plate, a top surface of the end cap having a curvature that mates with the underside of the cup-shaped plate, the end cap having a hole concentric with its center, the elongated member extending through the hole; and a spring washer inserted between the flared out portion and an underside of the end cap, the spring washer exerting sufficient tension to prevent the fingerprint sensor from moving during normal use of the fingerprint sensor while permitting rotation and pivoting of the fingerprint sensor, when excess force is applied to the fingerprint sensor.