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    • 2. 发明授权
    • Harrow tine angle adjustment
    • 耙角调整
    • US08267187B2
    • 2012-09-18
    • US11365194
    • 2006-03-01
    • David Alan PayneRichard Joseph ConnellShawn BeckerGarrett Lee Goins
    • David Alan PayneRichard Joseph ConnellShawn BeckerGarrett Lee Goins
    • A01B19/00
    • A01B71/02A01B23/043
    • A simplified spike tooth harrow includes an apertured bracket pivotally connected to the fore-and-aft connecting strap extending between the tine bars. The bracket adjustably supports a tine bar from the strap. A pin selectively secured in one of the apertures contacts the strap to set the working angle of the tines on the bar when the harrow is operated in the field. A chain or link connected to the bracket at a location offset from the bracket pivot suspends the harrow from an upper drawbar assembly which is movable vertically between field-working and transport positions. When the drawbar assembly is raised to the transport position so the harrow is out of ground contact, the bracket pivots so the pin is offset from the strap and can be easily and quickly removed from the aperture and reinserted in a different aperture to change the tine angle.
    • 简化的穗齿耙包括一个可枢转地连接到在杆之间延伸的前后连接带的有孔托架。 支架可调节地支撑带子上的齿条。 选择性地固定在其中一个孔中的销钉接触带子,以在耙子在现场操作时将叉子的工作角度设置在杆上。 在与支架枢轴偏置的位置处连接到支架的链条或链节将耙从上部牵引杆组件悬挂,该上牵引杆组件可在现场作业和运输位置之间垂直移动。 当牵引杆组件升高到运输位置时,耙子脱离地面接触,支架枢转,使销钉从带子上偏移,并可以方便快速地从孔中移出并重新插入不同的孔径以改变齿 角度。