Patent ID: 8740602

Claim:
A rolling device comprising: a support housing; a first roller having a first outer surface and supported by the support housing to rotate about a first axis; a second roller having a second outer surface and supported by the support housing to rotate about a second axis spaced from the first axis such that juxtaposed portions of the first and second outer surfaces define a pinch point gap; and at least a first pinch point gap adjustment mechanism comprising a rotatable roller mounting plate supported by the support housing so as to be rotatable about a third axis and a mount supporting the first roller such that the first axis is offset from the third axis, thereby causing the first axis to revolve about the third axis when the roller mounting plate is rotated about the third axis and thereby changing a magnitude of the pinch point gap; and a first roller drive comprising a drive motor and configured to rotate the first roller about the first axis and a second roller support configured to allow the second roller to rotate about the second axis, wherein the first roller drive is directly mounted to the first roller such that the first roller drive, including the drive motor, revolves about the third axis with the first roller; and a linkage connecting first roller drive to the support housing.