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1. 发明授权

US06484759B1 Knot-tying mechanism 失效
标题翻译：打结机制
公开(公告)号：US06484759B1
公开(公告)日：2002-11-26
申请号：US09885544
申请日：2001-06-20
申请人： George M. Chembakassery , George T. Vattakattu
发明人： George M. Chembakassery , George T. Vattakattu
IPC分类号： B21F3502
CPC分类号： B21F15/04 , B21F33/04
摘要： A coil spring knotting machine including a frame and a camshaft mounted on the frame about an axis fixed relative to the frame. The camshaft supports a support member having thereon a knot-tying member mounted for rotation about an axis movable with respect to the frame. The camshaft also supports a free-wheeling rotating member. The machine further includes a first drive member rotatably driving the camshaft without causing rotation of the rotating member, and a second drive member rotatably driving the rotating member without causing rotation of the camshaft. A linkage connects the rotating member to the knot-tying member to rotate the knot-tying member. Preferably, the linkage includes a flexible member and a movable tensioning member for adjusting the tension in the flexible member.
摘要翻译：一种螺旋弹簧打结机，其包括框架和凸轮轴，所述凸轮轴围绕相对于所述框架固定的轴线安装在所述框架上。凸轮轴支撑有一个支撑构件，其上具有一个结结构件，该结结构件安装成绕相对于框架可移动的轴线旋转。凸轮轴还支撑着一个自由旋转的构件。该机器还包括第一驱动构件，其可旋转地驱动凸轮轴而不使旋转构件旋转;以及第二驱动构件，其可旋转地驱动旋转构件而不引起凸轮轴的旋转。连杆将旋转构件连接到打结构件以旋转结结构件。优选地，连杆包括柔性构件和用于调节柔性构件中的张力的可动张紧构件。

2. 发明授权

US06758079B2 Coil spring forming machine 失效
标题翻译：线圈弹簧成型机
公开(公告)号：US06758079B2
公开(公告)日：2004-07-06
申请号：US09885305
申请日：2001-06-20
申请人： David Scott Wells , George T. Vattakattu
发明人： David Scott Wells , George T. Vattakattu
IPC分类号： B21F310
CPC分类号： B21F3/02
摘要： A coil spring forming machine for forming a coil spring having a dimensional characteristic, such as a coil diameter and a coil pitch, includes a frame, a control tool movably mounted on the frame, and a control mechanism mounted on the frame and coupled to the control tool. The control mechanism is operable to move the control tool to vary the dimensional characteristic. The control mechanism includes first and second cam surfaces and a cam follower assembly selectively engageable with either of the first and second cam surfaces to vary the dimensional characteristic depending on which cam surface is engaged.
摘要翻译：用于形成具有诸如线圈直径和线圈间距的尺寸特性的螺旋弹簧的螺旋弹簧成形机包括框架，可移动地安装在框架上的控制工具，以及安装在框架上并连接到框架上的控制机构控制工具控制机构可操作以移动控制工具以改变尺寸特性。控制机构包括第一和第二凸轮表面以及可选择性地与第一和第二凸轮表面之一接合的凸轮从动件组件，以根据哪个凸轮表面接合来改变尺寸特性。

3. 发明授权

US5477893A Knot-tying mechanism 失效
标题翻译：打结机制
公开(公告)号：US5477893A
公开(公告)日：1995-12-26
申请号：US301801
申请日：1994-09-07
申请人： Horst F. Wentzek , George T. Vattakattu
发明人： Horst F. Wentzek , George T. Vattakattu
IPC分类号： F16F1/02 , B21F15/00 , B21F15/04 , B21F33/04 , B21F35/02 , C04B41/52
CPC分类号： C04B41/52 , B21F15/00 , B21F15/04 , B21F33/04
摘要： Disclosed herein is a coil spring knotting machine comprising a frame, a support arm mounted on the frame for movement between a knot-tying position and a retracted position, a camshaft rotatably mounted on the frame about an axis fixed relative to the frame, a rocker-arm moveably mounted on the frame and operably connected to the camshaft and to the support arm for displacing the support arm between the knot-tying and retracted positions in response to rotation of the camshaft, a first servo motor rotatably drivingly connected to the camshaft to selectively effect rotation thereof, a knot-tying member rotatably mounted on the support arm, a second shaft rotatably mounted on the frame about a second axis fixed relative to the frame, a coupling drivingly connected to the second shaft and to the knot-tying member for rotating the knot-tying member in response to rotation of the second shaft, notwithstanding movement of the support arm between the knot-tying and retracted positions, a second servo motor drivingly connected to the second shaft to effect rotation thereof, and an electronic control unit connected to the first and second servo motors to cyclically rotate the camshaft so as to displace the support arm between the knot-tying and retracted positions and to cyclically rotate the second shaft so as to rotate the knot-tying member when the support arm is in the knot-tying position.
摘要翻译：这里公开了一种螺旋弹簧打结机，其包括框架，安装在框架上用于在打结位置和缩回位置之间移动的支撑臂，凸轮轴围绕相对于框架固定的轴可旋转地安装在框架上，摇杆臂可移动地安装在框架上并且可操作地连接到凸轮轴和支撑臂，用于响应于凸轮轴的旋转而使支撑臂在打结和缩回位置之间移位，第一伺服电动机可旋转地驱动地连接到凸轮轴到选择性地影响其旋转，可旋转地安装在所述支撑臂上的打结构件，围绕围绕所述框架固定的第二轴线可旋转地安装在所述框架上的第二轴，与所述第二轴驱动连接的联接件和所述结结构件为了响应于第二轴的旋转而旋转打结构件，尽管支撑臂在打结和缩回位置之间移动，但是秒驱动地连接到第二轴以实现其旋转的第一伺服电动机以及连接到第一和第二伺服电动机的电子控制单元以循环地旋转凸轮轴，以使支撑臂在打结位置和缩回位置之间循环移动旋转第二轴，以便当支撑臂处于打结位置时旋转打结构件。

4. 发明授权

US5269179A Vehicle testing apparatus 失效
标题翻译：车辆检测仪器
公开(公告)号：US5269179A
公开(公告)日：1993-12-14
申请号：US795175
申请日：1991-11-18
申请人： George T. Vattakattu , Edwin Katt
发明人： George T. Vattakattu , Edwin Katt
IPC分类号： G01M17/007 , G01M19/00
CPC分类号： G01M17/0072
摘要： Disclosed herein is a vehicle testing apparatus comprising a pair of brake clipers operable in response to the application of pressure fluid for applying torque in opposition to driving torque delivered by the driving wheels of a vehicle operating at a given speed, a force sensor for sensing differential in the driving and applied torque, a control for generating a signal representative of the torque differential, and a pressure regulator for maintaining the applied torque at a constant magnitude by regulating the pressure of the fluid applied to the brake calipers.
摘要翻译：本发明公开了一种车辆测试装置，其包括一对制动夹具，其可响应于施加压力流体而工作，所述压力流体用于施加与由给定速度操作的车辆的驱动轮传递的驱动扭矩相反的扭矩;用于感测差速器的力传感器在驱动和施加的扭矩中，产生表示扭矩差的信号的控制，以及通过调节施加到制动卡钳的流体的压力将施加的扭矩保持在恒定大小的压力调节器。

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