Patent ID: 8307866

Claim:
A wood chipper comprising: a feed roller motor, having a drive shaft including a first end and a second end, wherein the first end is connected to the feed roller motor, the drive shaft being positionable at a range of angles from the first end being lower than the second end to the first end being higher than the second end; a feed roller having a centered position, connected through a guide to the second end of the drive shaft and driven by the feed roller motor, wherein: the first end of the drive shaft is approximately level with the second end of the drive shaft when the feed roller is in the centered position; the feed roller is displaceable from the centered position to a position at an upper end of the guide; and the feed roller is displaceable from the centered position to a position at a lower end of the guide; a feed chute providing access to the feed roller, wherein material is inserted and fed into the feed chute and engaged by the feed roller; a chipping device receiving the material from the feed roller and breaking the material into chips; and a discharge chute connected to the chipping device and discharging the chips.