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1. 发明授权

US5521354A Method for arc welding fault detection 失效
标题翻译：电弧焊故障检测方法
公开(公告)号：US5521354A
公开(公告)日：1996-05-28
申请号：US263328
申请日：1994-06-21
申请人： Howard W. Ludewig , James H. Siwicke , Alan L. Kilty , Brian L. Wallace , Stephen A. Haytcher , Dean E. Rees
发明人： Howard W. Ludewig , James H. Siwicke , Alan L. Kilty , Brian L. Wallace , Stephen A. Haytcher , Dean E. Rees
IPC分类号： B23K9/095
CPC分类号： B23K9/0953 , B23K9/0956
摘要： A method for sensing and controlling the weld quality of gas metal arc welding employs sampling of the welding current and voltage signals and making determinations of the weld quality state based on information embedded in those signals. The signals are processed such that the quality of the weld can be determined and the appropriate steps are taken to respond to the detected quality level. If the quality level is deemed unacceptable the process is terminated and the operator is alerted. The method includes determinations based on the standard deviation of the electrical signal, the summed power spectrum of the electrical signal, and/or the average absolute value of the time derivative of the electrical signal.
摘要翻译：一种用于感测和控制气体金属电弧焊的焊接质量的方法采用焊接电流和电压信号的采样，并根据嵌入在这些信号中的信息确定焊接质量状态。处理这些信号使得可以确定焊缝的质量，并采取适当的步骤来响应检测到的质量水平。如果质量等级被认为是不可接受的，则过程被终止并且操作者被警告。该方法包括基于电信号的标准偏差，电信号的总和功率谱和/或电信号的时间导数的平均绝对值的确定。

2. 发明授权

US5768947A Implement hand support and control 失效
标题翻译：实施手的支持和控制
公开(公告)号：US5768947A
公开(公告)日：1998-06-23
申请号：US670736
申请日：1996-06-24
申请人： David M. Fee , Stephen A. Haytcher
发明人： David M. Fee , Stephen A. Haytcher
IPC分类号： E02F9/16 , E02F9/20 , G05G1/62 , G05G1/24
CPC分类号： G05G1/62 , E02F9/2004 , Y10T74/20396 , Y10T74/20612 , Y10T74/20732
摘要： An implement control system for use with an article of construction machinery includes an implement adapted for mounting to an article of construction equipment, the implement including first and second ranges of motion, a hand support adapted for mounting to the article of construction equipment in the vicinity of an operator, the hand support including a base, an end portion upstanding at a first angle from the base and a hand grip extending outwardly from the end portion, the hand grip defining a distal end thereof and an opening between the hand grip and the base adapted for permitting an operator's fingers to extend therebetween in order to grip the hand grip, a first control lever movably mounted to the distal end of the hand grip, the first control lever being operably connected to the implement for controlling the first range of motion and adapted for movement thereof by an operator's thumb, a second control lever movably mounted to the base, the second control level being operably connected to the implement for controlling the second range of motion and adapted for movement thereof by an operator's fingers.
摘要翻译：一种与工程机械一起使用的工具控制系统包括适于安装到建筑设备的工具的工具，所述工具包括第一和第二运动范围，适于安装在附近的施工设备的工件的手扶所述手持支撑件包括基部，从所述基部以第一角度直立的端部和从所述端部向外延伸的手柄，所述手柄限定其远端以及所述手柄和所述手柄之间的开口底座，其适于允许操作者的手指在其间延伸以便握住手柄;可移动地安装到手柄的远端的第一控制杆，第一控制杆可操作地连接到工具，用于控制第一运动范围并且适于由操作者的拇指移动，可移动地安装到基座的第二控制杆，操作第二控制水平牢固地连接到用于控制第二运动范围并适于由操作者的手指移动的工具。

3. 发明授权

US5666861A Armrest adjusting mechanism 失效
标题翻译：扶手调整机构
公开(公告)号：US5666861A
公开(公告)日：1997-09-16
申请号：US524594
申请日：1995-09-07
申请人： David M. Fee , Stephen A. Haytcher , John P. Mackoway
发明人： David M. Fee , Stephen A. Haytcher , John P. Mackoway
IPC分类号： B60N2/06 , B60K20/00 , B60K26/00 , B60N2/38 , B60N2/75 , B60K20/02 , B60N2/46
CPC分类号： B60N2/4653 , B60K20/00 , B60K26/00 , Y10T74/20612
摘要： An armrest adjusting mechanism is disclosed which includes a base plate mountable to an article of construction machinery and a first working plate movable relative to the base plate. First and second shafts are mounted to the first working plate. The first shaft is guided by first and second spherical bearings fixedly mounted to the base plate. The second shaft is guided by a third spherical bearing adjustably mounted to the base plate. The third spherical bearing is attached to a third shaft which is disposed normal to the first and second shafts. A cylindrical bearing guides the third shaft as it moves in response to misalignment between the first and second shafts. In a similar manner, fourth and fifth shafts are mounted to the first working plate. The fourth shaft is guided by fourth and fifth spherical bearings fixedly mounted to a second working plate. The fifth shaft is guided by a sixth spherical bearing adjustably mounted to the second working plate. The sixth spherical bearing is attached to a sixth shaft which is disposed normal to the fourth and fifth shafts. A second cylindrical bearing guides the sixth shaft as it moves in response to misalignment between the fourth and fifth shafts.
摘要翻译：公开了一种扶手调节机构，其包括可安装到工程机械的基座和可相对于基板移动的第一工作板。第一和第二轴安装到第一工作板上。第一轴由固定安装在基板上的第一和第二球面轴承引导。第二轴由可调节地安装到基板的第三球面轴承引导。第三球面轴承附接到垂直于第一和第二轴设置的第三轴。圆柱形轴承响应于第一和第二轴之间的未对准而移动时引导第三轴。以类似的方式，第四和第五轴安装到第一工作板。第四轴由固定安装在第二工作板上的第四和第五球面轴承引导。第五轴由可调节地安装到第二工作板的第六球面轴承引导。第六球面轴承安装在垂直于第四和第五轴的第六轴上。第二圆柱形轴承响应于第四和第五轴之间的未对准而移动时引导第六轴。

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