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公开(公告)号：US07603807B2
公开(公告)日：2009-10-20
申请号：US11693068
申请日：2007-03-29
IPC分类号： A01H4/00
CPC分类号： B65G47/91 , A01C11/00 , B65G2201/02 , B65G2201/0202 , B65G2201/0229
摘要： A vacuum pick-up device 20 includes a device body 22 having a pick-up tip opening 78 to which vacuum pressure is supplied. The vacuum pick-up device 20 further includes a mechanical release assisting device 36 that assists in the release of a grasped object contemporaneously with or slightly subsequent to the cessation of vacuum pressure. A manifold 38 may be included to efficiently and effectively supply vacuum pressure to the device body 22 from a vacuum pressure source.
摘要翻译： 真空吸取装置20包括具有提供真空压力的拾取尖端开口78的装置主体22。 真空吸附装置20还包括机械释放辅助装置36，其有助于同时或稍后于真空压力停止释放被抓取的物体。 可以包括歧管38以有效且有效地从真空压力源向装置主体22提供真空压力。
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公开(公告)号：US06354770B1
公开(公告)日：2002-03-12
申请号：US09619773
申请日：2000-07-20
申请人： Michael K McKinnis
发明人： Michael K McKinnis
IPC分类号： B65G5124
CPC分类号： A01H4/001 , B07C5/362 , Y10T137/87804
摘要： The present invention provides apparatus and methods useful, for example, for introducing a desired spacing between or classifying and sorting objects, e.g. plant embryos. Objects carried serially in a fluid stream enter the apparatus via an upstream conduit. A sensor associated with the conduit provides information regarding an object at a particular location in the upstream conduit and produces a signal. A switch coupled to the upstream conduit directs the fluid stream to an appropriate downstream conduit by applying a force to a conduit, e.g., by aligning the upstream conduit with a downstream conduit to create a fluid-tight path. Apparatus according to the present invention are particularly useful for manipulating fragile multicellular biological objects such as plant embryos.
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