Patent ID: 8074681

Claim:
A rotator, comprising: a swivel including: an inner member having a cylindrical portion; an annular outer member arranged around the inner member and rotatably connected thereto via a bearing; at least one of the inner member and the outer member being provided with an annular fluid channel, one of the members having a fastening flange with an upper and a lower flange surface, the flange having an attachment structure; a first fluid path extending through the fastening flange from a first opening situated in a circumferential face of the fastening flange, to the fluid channel; and a second fluid path at least partially extending through the inner member in a substantially axial direction from the fluid channel to a second opening; an annular drive member with a central opening; a housing extending around the drive member and including a top face and a central housing opening; a drive motor associated with the housing and engaging the drive member, the swivel being mounted within the central opening of the drive member, the lower flange surface of the fastening flange being supported on the top face of the housing, and the fastening flange being connected to the housing via the attachment structure; and an inner ring within the central opening of the drive member, the drive member being connected to the inner ring in a rotating manner, the inner ring connecting to the housing and to the fastening flange of the swivel in a non-rotating manner.