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1. 发明申请

US20140054951A1 Cutting Tool With Insert Having A Tapered Bottom 审中-公开
标题翻译：具有锥形底部的刀片切割工具
公开(公告)号：US20140054951A1
公开(公告)日：2014-02-27
申请号：US13591354
申请日：2012-08-22
申请人： Paul A. Bookhamer , Chad A. Swope
发明人： Paul A. Bookhamer , Chad A. Swope
IPC分类号： E21C35/183
CPC分类号： E21C35/183
摘要： A cutting tool for use in impinging earth strata includes a cutting tool body that contains a socket at an axial forward end thereof and an insert structured and arranged for being affixed to the cutting tool body within the socket. The insert includes a mounting end portion at an axial rearward end of the insert. The mounting end portion includes a first tapered segment, a second tapered segment adjacent and axially rearward of the first tapered segment wherein the second tapered segment has an axial rearward end diameter, and a base adjacent and axially rearward of the second tapered segment, the base having a base diameter that is greater than the axial rearward end diameter of the second tapered segment. The socket is structured and arranged for cooperating with the mounting end portion of the insert.
摘要翻译：用于撞击地层的切削工具包括：切削工具主体，其在其轴向前端处包含插座;以及插入件，构造和布置成用于固定在插座内的切削工具主体。插入件包括在插入件的轴向后端处的安装端部。安装端部包括第一锥形部分，与第一锥形部分相邻且轴向后方的第二锥形部分，其中第二锥形部分具有轴向后端直径，以及与第二锥形部分相邻并且轴向后方的基部，具有大于第二锥形段的轴向后端直径的基础直径。插座被构造和布置成与插入件的安装端部配合。

2. 发明申请

US20130307317A1 Cutting Bit With Split Wear Ring 审中-公开
标题翻译：切割位与分割磨损环
公开(公告)号：US20130307317A1
公开(公告)日：2013-11-21
申请号：US13474663
申请日：2012-05-17
申请人： Paul A. Bookhamer , Nicholas J. Paros
发明人： Paul A. Bookhamer , Nicholas J. Paros
IPC分类号： E21C35/18
CPC分类号： E21C35/183
摘要： A cutting bit includes an elongate body having a shank portion and a head portion with a forward end. The head portion has an annular channel defined therein adjacent to and rearwardly of the forward end of the head portion. The annular channel has an angled bottom surface. The cutting bit also includes a split wear ring positionable in the annular channel and structured and arranged to be retainably held in the annular channel. The cutting bit further includes a hard cutting tip affixed to the forward end of the head portion.
摘要翻译：切割头包括具有柄部分和具有前端的头部的细长主体。头部具有限定在其中的与头部的前端相邻并向后的环形通道。环形通道具有成角度的底部表面。切削刀头还包括可定位在环形通道中的分裂磨损环，其被构造和布置成可保持地保持在环形通道中。切割刀还包括固定在头部前端的硬切割刀片。

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