Johnathon R. Dienst,Brian John Anderson,Marvin A. Prickel
申请号：
US15011274
公开号：
US20170215334A1
申请日:
2016.01.29
申请国别(地区):
US
年份:
2017
代理人:
摘要：
An opener attachment for an agricultural row unit including a frame, an arm pivotally coupled to the frame, an opener disc coupled to the arm and configured to excavate a trench into soil, and a gauge wheel coupled to the arm and configured to block movement of the opener disc into the soil to control a depth of the trench. The opener attachment also includes a mechanical stop coupled to the frame and configured to block the gauge wheel and the opener disc moving toward the soil. In addition, the opener attachment includes an air bag configured to urge the gauge wheel and the opener disc toward the soil.
