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1.发明授权Method and apparatus for controlling the tension of wire being pulled from a wire spool on a bead wire letoff stand 失效用于控制从胎圈丝绕线架上的线卷筒拉出的线张力的方法和装置公开(公告)号：US06457667B1
公开(公告)日：2002-10-01
申请号：US09555436
申请日：2000-05-30
IPC分类号： B65H5904
CPC分类号： B65H59/04
摘要： The present invention relates to an improved bead wire letoff assembly and method of operation that controls the tension of wire being pulled from a wire spool mounted to the bead wire letoff assembly. The improved wire letoff assembly can accurately control the rotational speed of the wire spool and incorporates a cam plate and tension arm linkage to control the braking force applied to the wire spool.
摘要翻译： 本发明涉及一种改进的胎圈丝线打开组件和操作方法，其控制从安装到胎圈丝线打开组件的线轴被拉出的线的张力。 改进的电线绕线组件可以精确地控制电线卷轴的转速并且包括凸轮板和张力臂连杆以控制施加到线轴的制动力。
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公开(公告)号：US06637694B2
公开(公告)日：2003-10-28
申请号：US09900653
申请日：2001-07-06
IPC分类号： B65H5904
CPC分类号： B65H59/04
摘要： A brake structure of a band reel in a packing machine in which reliable braking effects can be obtained and responsiveness can be enhanced. A brake arm (15) has a coil spring portion (16) provided on one of its ends and a band passing ring portion (18) provided on the other end is mounted on one of ends of the reel shaft (13). One of ends on the coil spring (16) side in the brake arm (13) is fastened to a fixed member such as a device frame. The diameter of the coil spring portion (16) is reduced to cause the inner peripheral surface of the coil spring portion (16) to closely engage the outer peripheral surface of the reel shaft (13), thereby stopping rotation of the reel shaft by frictional force, when the force for feeding the band is released.
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