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Title: Pruning apparatus and method

The present invention is an automated pruning apparatus that requires little or no follow-up hand pruning and requires no sensors to avoid supportive trunks or posts. The present invention uses at least one pair of flat, close angled toothed, counter rotating blades. Woody branches are directed to the counter rotating blades first with a lifting arm and secondly by a quilled drum.
  1. (Prosser, WA)
Issue Date:
OSTI Identifier:
Battelle Memorial Institute (Richland, WA) PNNL
Patent Number(s):
US 5694753
Contract Number:
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA
Country of Publication:
United States
pruning; apparatus; method; automated; requires; follow-up; hand; sensors; avoid; supportive; trunks; posts; pair; flat; close; angled; toothed; counter; rotating; blades; woody; branches; directed; lifting; arm; secondly; quilled; drum; rotating blade; pruning apparatus; /56/