Hitch for two unit planter

作者: James R. Tharaldson

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摘要: A hydraulic hitch for connecting two planters or drills in tandem planting line transport. The utilizes an overhead beam and stabilizer bar interconnecting the lead trailing to control guide from one position other. This is combined with a unique folding tongue floating tube that are hydraulically operated allow operator conduct operations tractor cab after manually removing safety lock pins.

参考文章(4)
Raymond G Fischer, Duplex implement hitch ,(1970)
Wayne Gustafson, Hitch for draft implement ,(1978)
Walter A Bartel, Double implement drawbar ,(1960)