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1. 发明授权

US06945471B2 Rotary sprinkler 有权
标题翻译：旋转洒水机
公开(公告)号：US06945471B2
公开(公告)日：2005-09-20
申请号：US10014916
申请日：2001-10-22
申请人： Jeff R. McKenzie , Peter Janku , Rebecca R. Lichte , Chad P. McCormick
发明人： Jeff R. McKenzie , Peter Janku , Rebecca R. Lichte , Chad P. McCormick
IPC分类号： B05B1/26 , B05B1/30 , B05B1/32 , B05B3/04 , B05B15/10
CPC分类号： B05B3/0431 , B05B1/265 , B05B1/304 , B05B1/32 , B05B15/70 , B05B15/74
摘要： A rotary sprinkler having an adjustable arc segment whose angular extent and absolute direction relative to the ground are represented by an arc indicator, which arc indicator may comprise a band whose visible length represents the angular extent and whose position on the sprinkler points to the direction. The sprinkler may have the arc segment adjusted by a movable arc limit stop that is coupled to a toggle member only at drive reversal, and the sprinkler may be converted to full circle operation by raising the arc limit stop relative to a cooperating trip tab. A buckling spring assembly used to shift the drive comprises a compression spring held between two spaced pivot members, and the drive can be built in continuous and intermittent drive versions by replacing a few normal rotary gears with multilated gears. A friction clutch having asymmetric teeth for smooth operation prevents damage to the drive during forced nozzle rotation. A nozzle assembly includes a pivotal nozzle that carries a radius adjustment screw with the head of the screw received on top a flexible portion of a top cover, which top cover has laser etched indicia relating to various adjustments of the sprinkler. A flow shut off valve includes stream straightening vanes and a collar may be used to support the sprinkler on a stake or post for above ground installation.
摘要翻译：具有可调节弧段的旋转喷洒器，其角度范围和相对于地面的绝对方向由弧形指示器表示，该弧形指示器可以包括其可见长度表示角度范围并且其在喷洒器上的位置指向该方向的带。喷洒器可以具有通过可移动的电弧限制止动件调节的弧段，其仅在驱动反向时联接到肘节构件，并且可以通过相对于协作的行程突出部提升电弧极限停止来将喷洒器转换为全圆操作。用于移动驱动器的弯曲弹簧组件包括保持在两个间隔开的枢转构件之间的压缩弹簧，并且通过用多齿轮替换几个正常的旋转齿轮，驱动器可以内置在连续和间歇的驱动版本中。具有用于平滑操作的不对称齿的摩擦离合器防止在强制喷嘴旋转期间对驱动器的损坏。喷嘴组件包括枢转喷嘴，该枢转喷嘴承载半径调节螺钉，螺钉的头部容纳在顶盖的柔性部分的顶部上，该顶盖具有与喷洒器的各种调节有关的激光蚀刻标记。流量截止阀包括流矫正叶片，并且可以使用套环将喷洒器支撑在用于地面安装的桩或柱上。

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