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    • 1. 发明授权
    • Vacuum latchtack throat plate with a vacuum generating apparatus
    • 带真空发生装置的真空闩锁喉板
    • US5613454A
    • 1997-03-25
    • US366324
    • 1994-12-29
    • Maximilian Adamski, Jr.Stephen S. RudermanMarian Pawlowski
    • Maximilian Adamski, Jr.Stephen S. RudermanMarian Pawlowski
    • D05B65/06D05B65/00D05B73/12
    • D05B65/00D05B73/12D05D2207/04Y10S112/01
    • The current invention involves a vacuum latchtack throat plate with a vacuum generating system. The throat plate includes a body having a first internal bore beginning at a front edge of the body and extending longitudinally therethrough, and a channel formed in the lower surface of the body. The throat plate further includes a stitch tongue having a front edge and back edge, where the stitch tongue is integrally formed with the body. The stitch tongue has a second internal bore beginning at the back edge and extending longitudinally through the stitch tongue to the body where the channel couples the second internal bore to the first internal bore.The vacuum generating system includes a source of positive pressure gas, a vacuum generator having an input port, an outlet port and a vacuum port, and a valve for coupling the source to the input port of the vacuum generator. The valve is controllable. The vacuum generating system further includes a conduit coupling the vacuum port of the vacuum generator to the throat plate.
    • 本发明涉及具有真空发生系统的真空闩锁喉板。 喉板包括主体,其具有从主体的前边缘开始并纵向延伸穿过的第一内孔,以及形成在主体的下表面中的通道。 喉板还包括具有前边缘和后边缘的缝合舌,其中针脚与主体一体形成。 针脚具有从后边缘开始的第二内孔,并且纵向延伸穿过针脚到主体,其中通道将第二内孔连接到第一内孔。 真空发生系统包括正压气体源,具有输入端口的真空发生器,出口端口和真空端口,以及用于将源耦合到真空发生器的输入端口的阀。 阀门是可控的。 真空发生系统还包括将真空发生器的真空端口连接到喉板的导管。