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Agricultural implement having wheels that caster
专利权人:
Terrance A. Friggstad
发明人:
Terrance A. Friggstad
申请号:
US12258097
公开号:
US08235133B2
申请日:
2008.10.24
申请国别(地区):
US
年份:
2012
代理人:
摘要:
An agricultural implement includes a hitch boom to which a pair of wing booms is pivotably connected. The wing booms are designed to fold forward from an extended position to a transport position. The wing booms are supported above a surface by wheels that provide the aforementioned support when the wing booms are in an extended position as well as the transport position. Maintaining surface contact of the wheels in both positions reduces the load placed on the hitch to which the hitch boom is coupled as well as the hitch boom itself. Multi-link draft links are connected between the hitch boom and the wing booms to provide support for the wing booms when the wing booms are in the extended position. The relative length of the draft links dictates how far the hitch telescopes when the wing booms are folded to the stowed or transport position.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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