Woodworking – Process – Timber harvesting or processing
Reexamination Certificate
2009-12-28
2011-11-29
Self, Shelley (Department: 3725)
Woodworking
Process
Timber harvesting or processing
C144S004100, C144S034100
Reexamination Certificate
active
08066043
ABSTRACT:
The disclosure relates to a combination forest biomass and tree harvester, a harvesting head assembly, and methods for harvesting trees and forest biomass. In some embodiments, the combination forest biomass and tree harvester includes a self-propelled vehicle base, a moveable arm, and a harvesting head assembly. The harvesting head assembly may include a frame member, a grabbing assembly, and a cutting assembly. The cutting assembly may include a primary cutting mechanism and a secondary cutting mechanism. As the combination forest biomass and tree harvester moves through a forest area, the cutting assembly may be used to cut trees and mow biomass.
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Frederick, Douglas J.; Stokes, Bryce J.; Curtin, Dennis T., “Field Trials of a Canadian Biomass Feller Buncher”, US Department of Agriculture, Forest Service, Southern Forest Experiment Station, New Orleans, Louisiana, Proceedings of the Southern Forest Bianass [sic] Workshop, Jun. 11-14, 1985.
Self Shelley
Vaughn Rachael
Weyerhaeuser NR Company
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