Mulcher with improved cutting drum
AssigneeDougherty Forestry Manufacturing, Ltd. Co.
InventorPatrick Dougherty
Life of this patent
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Abstract
A powered mulcher is configured for attachment to a vehicle. The mulcher includes a frame assembly and a drum assembly contained within the frame assembly. The drum assembly includes a substantially cylindrical drum and a cutting array mounted to the drum. The cutting array includes a plurality of flights connected to the drum and a plurality of cutters attached to each of the plurality of flights. The plurality of flights are configured to push processed plant debris away from the ends and middle of the drum.
Claims12
A powered mulcher configured for attachment to a vehicle, the mulcher comprising:
- a frame assembly;
- and
- a drum assembly contained within the frame assembly, wherein the drum assembly comprises:
- a substantially cylindrical drum a first end, a second end and a center between the first end and the second end;
- and
- a cutting array mounted to the drum, wherein the cutting array comprises:
- a first right hand narrow flight extending outward from the center of the drum toward the first end of the drum;
- a first right hand wide flight outboard of the first right hand narrow flight;
- a first left hand wide flight outboard of the first right hand wide flight;
- a first left hand narrow flight extending outward from the center of the drum toward the second end of the drum;
- a second left hand wide flight outboard of the first left hand narrow flight;
- and
- a second right hand wide flight outboard of the second left hand wide flight.
A powered mulcher configured for attachment to a vehicle, the mulcher comprising:
- a frame assembly;
- and
- a drum assembly contained within the frame assembly, wherein the drum assembly comprises:
- a substantially cylindrical drum;
- and
- a cutting array mounted to the drum, wherein the cutting array comprises:
- a center blade positioned on the drum;
- a first outer blade spiral positioned on the drum on a first side of the center blade, wherein the first outer blade spiral is configured to push plant material toward the center blade;
- a second outer blade spiral positioned on the drum on a second side of the center blade, wherein the second outer blade spiral is configured to push plant material toward the center blade;
- a first inner blade spiral positioned between the first outer blade spiral and the center blade, wherein the first inner blade spiral is configured to push plant material away from the center blade toward the first outer blade spiral;
- and
- a second inner blade spiral positioned between the second outer blade spiral and the center blade, wherein the second inner blade spiral is configured to push plant material away from the center blade toward the second outer blade spiral.
Dependencies are inferred from the claim text.