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1. 发明授权

US3906876A Drive for yarn feed roll assembly 失效
标题翻译：用于喂纱辊组件的驱动
公开(公告)号：US3906876A
公开(公告)日：1975-09-23
申请号：US51577074
申请日：1974-10-17
申请人： SINGER CO
发明人： FITTON NIGEL S
IPC分类号： D05C15/32
CPC分类号： D05C15/32
摘要： A variable speed drive for a tufting machine pattern attachment having a yarn feed roller assembly which allows the speed to be varied with the tufting machine inoperative. The yarn feed roller assembly includes a plurality of shafts which are driven at different speeds. The drive includes a variable speed regulator for each different shaft speed. The outputs of each regulator drives the respective shaft through a one-way clutch. The input to all the regulators is through a one-way clutch from the main motor of the tufting machine. An auxiliary motor, which drives in a reverse direction to the main motor, is operatively connected to the input of all the regulators between the regulators and the one-way clutch and free wheels in the direction of the main motor during operation of the tufting machine. To change the speeds of the yarn feed roller assembly shafts, the main motor is shut so as to make the tufting machine inoperative and the auxiliary motor is excited. The variable speed regulators may thereafter be adjusted.
摘要翻译：用于簇绒机图案连接的变速驱动器具有纱线馈送辊组件，其允许随着簇绒机器的速度而变化。喂纱辊组件包括以不同速度驱动的多个轴。驱动器包括用于每个不同轴速度的变速调节器。每个调节器的输出通过单向离合器驱动相应的轴。所有调节器的输入通过簇绒机主电机的单向离合器。与主电机相反方向驱动的辅助电动机在簇绒机的操作期间可操作地连接到调节器和单向离合器之间的所有调节器的输入端和沿着主电动机的方向的自由车轮。为了改变送纱辊组装轴的速度，关闭主电机，使簇绒机不起作用，辅助电动机被激励。此后可调节变速调节器。

2. 发明授权

US3926132A Yarn feed roller assembly 失效
标题翻译：喂纱辊组件
公开(公告)号：US3926132A
公开(公告)日：1975-12-16
申请号：US51576974
申请日：1974-10-17
申请人： SINGER CO
发明人： LEAR EDWARD C , FITTON NIGEL S
IPC分类号： D05C15/18
CPC分类号： D05C15/18
摘要： A yarn feed roller assembly for a tufting machine pattern attachment including a plurality of hollow drive shafts each having a plurality of feed rolls rotatably mounted thereon. An electromagnetic clutch having a rotating field keyed on the shaft within each feed roll selectively transmits the rotation of the shaft to the roll. Corresponding rolls of the drive shafts are drivingly connected one to the other. Between each pair of rolls is positioned a stationary yarn holding gear having teeth on only a portion thereof which bind with a corresponding gear on the other drive shafts and have yarn receiving grooves for surplus yarn when tufting with less yarn ends than the machine is capable of using. Slip rings located in a group at one end of each shaft receive electrical leads which pass through the shaft center from the clutch field coil. A horse shoe shaped brush retainer rides on each slip ring and is prevented from rotating by a quick release hook member which fits over a securing bar and is held in place by a spring member that also supplies the electrical power to the brushes.
摘要翻译：一种用于簇绒机图案附着的喂纱辊组件，包括多个中空驱动轴，每个中空驱动轴具有可旋转地安装在其上的多个进给辊。具有在每个进料辊内的轴上键合的旋转场的电磁离合器选择性地将轴的旋转传递到辊。驱动轴的对应辊彼此驱动连接。在每对辊之间定位有固定的纱线保持齿轮，其仅在其一部分上具有齿，其与另一个驱动轴上的相应齿轮相结合，并且当具有较少纱线末端的簇绒时，具有用于多余纱线的纱线接收槽，使用。位于每个轴的一端的组中的滑环接收从离合器励磁线圈穿过轴心的电线。马蹄形刷保持器骑在每个滑环上并且通过配合在固定杆上的快速释放钩构件来防止其旋转，并且通过也向电刷供应电力的弹簧构件保持就位。

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