Patent ID: 8668494

Claim:
An adjustable angle adapter for a prophy angle, comprising: a nose configured to receive a portion of the prophy angle; a rotating member positioned within the nose; a body adjustably connected to the nose; a shaft positioned within the body; a pivot connecting the body to the nose, the pivot comprising a groove configured for a ball bearing and opposing and mating faces which define a plane that is at an angle, other than perpendicular, to a rotational axis of the rotating member and a rotational axis of the shaft, wherein the ball bearing is passed through a channel formed within the pivot and the body, the channel parallel to the rotational axis of the shaft; and, a multi-axis rotation joint connecting the shaft to the rotating member, wherein the nose is rotatable relative to the body into a first configuration and a second configuration and the nose rotates relative to the body about a point on the plane, wherein the point is at the intersection of the plane and the rotational axis of the rotating member and at the intersection of the plane and the rotational axis of the shaft.