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    • 1. 发明授权
    • Mowing apparatus adjustment means
    • 割草机调整手段
    • US4012891A
    • 1977-03-22
    • US661352
    • 1976-02-25
    • Wilfred LeeRoy Steuerwald
    • Wilfred LeeRoy Steuerwald
    • A01D34/16A01D34/17A01D55/06
    • A01D34/17A01D34/16
    • A mowing apparatus of the reciprocating sickle type includes, as is conventional, guards projecting forward from an elongated frame member and a sickle bar assembly, including a plurality of knife sections, reciprocating parallel to the frame member with cutting edges of the knife sections and of the guards in a crop shearing relationship. Somewhat resilient holddown plates are rigidly secured to the frame member and have finger-like portions extending forward over the guards and defining, with the guards, a slot in which the sickle bar assembly reciprocates. Bridge-like adjusting clips each have a rear leg bearing on the frame member and a forward leg bearing downwards on a finger portion of the holddown plates. Clip retaining means are adjustable so as to vary the pressure of the forward leg of the clip on the holddown plate, to control the width of the slot between the holddown plate and the guard and thus the operating clearance between the knife sections and the guard ledger surfaces.
    • 往复式镰刀式的割草装置如常规那样包括从细长的框架构件向前突出的护罩和包括多个刀段的镰刀杆组件,其平行于框架构件与刀部分的切割边缘往复运动,并且 守卫在作物剪切关系。 稍微有弹性的压紧板被刚性地固定到框架构件并且具有在护罩上向前延伸的手指部分,并且与防护件一起限定镰刀杆组件往复运动的槽。 桥状调节夹各自在框架构件上具有后腿支承,而前腿在压板的手指部分上向下承载。 夹子保持装置是可调节的,以便改变压盖板上的夹子的前腿的压力,以控制压板和护罩之间的槽的宽度,从而控制刀部分与防护分类帐之间的操作间隙 表面。