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1. 发明授权

US06182817B2 Field replaceable helical flight 有权
标题翻译：现场可更换螺旋飞行
公开(公告)号：US06182817B2
公开(公告)日：2001-02-06
申请号：US09201693
申请日：1998-11-30
申请人： Franklin G. Rinker , James L. Howe , Daniel A. Molnar
发明人： Franklin G. Rinker , James L. Howe , Daniel A. Molnar
IPC分类号： B65G3326
CPC分类号： B21C37/26 , B65G33/265
摘要： A screw having a field replaceable flight. The screw includes a barrel and a helical flighting that is removably attached to the barrel by a plurality of brackets. The helical flighting includes a plurality of segments, each segment includes first and second opposing faces having an opening extending there though and side edges. The segments are positioned side by side to generally cooperatively form the flighting of the screw. At least one face of each segment includes raised bosses. The raised bosses project perpendicularly outwardly from the face of the segment to form a pocket within which the bracket is received. The segments are removably attached to the barrel by inserting a segment forming part of the flighting within the pocket and then removably fastening the segment within the pocket.
摘要翻译：具有现场可更换飞行的螺钉。螺杆包括一个桶和一个螺旋排出物，它通过多个支架可移除地连接在桶上。螺旋形飞行包括多个段，每个段包括第一和第二相对面，其具有在其周围延伸的开口和侧边缘。这些片段并排定位，以一般地协同地形成螺丝的排出。每个段的至少一个面包括凸起的凸起。凸起的凸起从该区段的表面垂直地向外突出，以形成一个口袋，托架被容纳在该口袋内。通过将形成所述排出物的一部分的片段插入所述袋中并且然后将所述片段可拆卸地紧固在所述袋中，所述片段可移除地附接到所述镜筒。

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