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1. 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。

2. 发明授权

US06550301B2 Method for producing an inclined helical spring 有权
公开(公告)号：US06550301B2
公开(公告)日：2003-04-22
申请号：US09915272
申请日：2001-07-27
申请人： Keiji Hasegawa
发明人： Keiji Hasegawa
IPC分类号： B21F310
CPC分类号： B21F3/02 , B21F3/04 , B21F3/10 , Y10T29/49609
摘要： The present invention is directed to an inclined helical spring having a plurality of coils along an inclined coil axis. Each coil constituting a part or the whole length of the helical compression spring is increased and decreased in diameter along the longitudinal axis of the spring, and forming the longitudinal axis of the spring in a free state thereof to be inclined substantially at a predetermined angle to an axis to be mounted with the spring. For example, one section of each coil having approximately a half of the circumference of each coil, which is divided by a plane including the coil axis, is increased in diameter, whereas the other one section of approximately a half of the circumference of each coil is decreased in diameter. The inclined helical spring may be mounted on a vehicle suspension.

3. 发明授权

US06640836B1 Coil and coil head formation dies for coils with non-conventional terminal convolutions 有权
标题翻译：用于具有非常规端子卷积的线圈的线圈和线圈头形成模具
公开(公告)号：US06640836B1
公开(公告)日：2003-11-04
申请号：US09723668
申请日：2000-11-28
申请人： Thomas D. Haubert , Jan B. Yates
发明人： Thomas D. Haubert , Jan B. Yates
IPC分类号： B21F310
CPC分类号： B21F33/04 , B21F3/027 , B21F27/16
摘要： Machinery for automated manufacture of formed wire structures such as innerspring assemblies for mattresses and seating and flexible support structures includes one or more coil formation devices configured to produce generally helical spring coils having a terminal convolution which extends beyond an end of the coil; a conveyor system having a plurality of flights slidably mounted upon a continuous track and connected to a chain and driven by an index driver; a coil transfer machine which removes a row of coils from the conveyor and inserts the coils into an innerspring assembler; and an innerspring assembler. A coil forming block on a coiler machine has a cavity in which a terminal convolution of the coil is formed, and from which the coil is cut by a cutter which extends into the cavity. Coil head formation dies at coil head forming stations of the coil forming machine also have a cavity for receiving a terminal convolution of a coil, and flanges which surround the cavity and provide a punch set for punches which form a coil head proximate to the terminal convolution in the die.
摘要翻译：用于自动制造成形线材结构的机器，例如用于床垫和座椅的内弹簧组件和柔性支撑结构，包括一个或多个线圈形成装置，其被配置为产生具有延伸超过线圈端部的终端卷积的大体上螺旋形的弹簧线圈; 输送机系统，其具有可滑动地安装在连续轨道上并连接到链条并由索引驱动器驱动的多个翼片; 线圈传送机器，其从输送机移除一排线圈并将线圈插入到内装弹簧组装器中; 和内部装配组装商。卷取机上的线圈形成块具有形成线圈的端部卷绕的空腔，并且线圈被延伸到空腔中的切割器从该空腔切割。在线圈成形机的线圈头成形站的线圈头形成模具还具有用于接收线圈的端部卷绕的空腔和围绕腔体的凸缘，并且提供用于形成靠近终端卷积的线圈头的冲头的冲头组在死里

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