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IMPROVED SYSTEM AND METHOD OF FELLING TREES
专利权人:
JAMES WALTER
发明人:
SHANE O. COX
申请号:
US14914570
公开号:
US20160205876A1
申请日:
2014.09.02
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A felling tree system includes a first bag stacked on a second bag, an opening in gaseous communication with the first bag and the second bag, and an escape vent in gaseous communication with the second bag. A method to capture a falling object includes inflating the plurality of separate bags attached to and stacked on each other, channeling air through the plurality of bags via one or more passages, and channeling air through one or more escape vents in communication with air disposed with impact of the falling object.
来源网站:
中国工程科技知识中心
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