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1. 发明授权

US5669648A Post hole digger 失效
标题翻译：后挖掘机
公开(公告)号：US5669648A
公开(公告)日：1997-09-23
申请号：US675460
申请日：1996-06-12
申请人： Michael Lewis Luck
发明人： Michael Lewis Luck
IPC分类号： A01B1/16 , E21B11/00 , A01B1/18
CPC分类号： E21B11/005 , A01B1/165
摘要： An improved post hole digger which comprises a plurality of elongated arm members having a proximal end and a distal end and an inner surface and an outer surface. A sharpened shovel blade is secured to the distal end of each of the elongated arm members, and a hinge pivotally secures the sharpened shovel blades to each other. A detachable top plate assembly is affixed to the proximal end of the elongated arm members and allows a user to strike the improved post hole digger with a weighted object such as a sledge hammer in order to drive the sharpened shovel blades into the ground. A handle bar is secured perpendicular to the outer surface of each elongated arm member at the proximal end of the elongated arm member, and a foot peg is secured perpendicular to the outer surface of each elongated arm member at the distal end, thus allowing a user to alternatively drive the sharpened shovel blades into the ground by holding the improved post hole digger by the handle bars so that the sharpened shovel blades point into the ground, and then jumping upon the foot pegs.
摘要翻译：一种改进的钻孔挖掘机，其包括具有近端和远端以及内表面和外表面的多个细长臂构件。一个锋利的铲刀被固定到每个细长臂件的远端，铰链将锋利的铲刀彼此枢转固定。可拆卸的顶板组件固定到细长臂构件的近端，并且允许使用者用诸如大锤的加重物体撞击改进的柱孔挖掘机，以将锋利的铲刀驱动到地面中。手柄杆在细长臂构件的近端处垂直于每个细长臂构件的外表面固定，并且在远端处垂直于每个细长臂构件的外表面固定脚钉，从而允许使用者通过用把手把持该改进的后挖掘机，使锋利的铲刀进入地面，从而使锋利的铲刀进入地面，使得锋利的铲刀指向地面，然后跳到脚钉上。

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