Patent ID: 8631595

Claim:
A swivel adapter mount for swiveling an earth moving implement relative to a boom, the earth moving implement also being tiltable relative to the boom about a tilt axis transverse to a swivel axis, the swivel adapter comprising; a mounting member attachable to the boom; a rotatable member attachable to the earth moving implement and rotatable about the swivel axis extending through a central section of the rotatable member, the rotatable member being driven to rotate relative to the mounting member to swivel the earth moving implement transverse to the tilt axis and relative to the boom when the swivel adapter mount is attached thereto; and a plurality of gear bearings located between the mounting member and the rotatable member and extending around the rotatable member and spaced from the swivel axis, each gear bearing engaging raceways on the mounting member and the rotatable member, wherein each gear bearing comprises gears extending around the gear bearings and at least one bearing surface, individual gear teeth on the gears having a thickness at one end that is greater than the thickness at an opposite end.