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    • 4. 发明申请
    • Carpet edge finishing machine
    • 地毯边缘整理机
    • US20070131154A1
    • 2007-06-14
    • US11300670
    • 2005-12-14
    • Melvin Maher
    • Melvin Maher
    • D05B23/00
    • D05B23/005D05B27/00
    • A carpet edge finishing machine having enhanced power through the use of an elongated feed dog is disclosed. As a result, the machine can be used for the most demanding of carpet edge finishing applications and also has sufficient power to pull itself along the edge of the carpet without assistance from the machine operator. In the disclosed embodiment, a serger includes a frame having a planar table over which the carpet moves. A powered roller is located above the planar table and presses downwardly on the carpet edge to forcefully move the carpet. A presser foot is located above the carpet and presses downwardly on the carpet and is located in close proximity to the powered roller. A movable feed dog engages the lower surface of the carpet edge in a reciprocating motion to assist in pulling the carpet. The feed dog is elongated and underlies both the powered roller and the presser foot to sandwich the carpet there between. The movement of the carpet is enhanced by the elongated feed dog acting against both the powered roller and the presser foot.
    • 公开了一种通过使用细长进给狗具有增强功率的地毯边缘整理机。 因此,该机器可用于最苛刻的地毯边缘整理应用,并且还具有足够的功率以在机器操作者的帮助下沿着地毯的边缘拉动自身。 在所公开的实施例中,服务器包括具有地毯移动的平面台的框架。 动力辊位于平台的上方,并向下压在地毯边缘上以强力地移动地毯。 压脚位于地毯上方并向下压在地毯上并且位于靠近动力辊的位置。 可移动进给爪以往复运动方式与地毯边缘的下表面接合以帮助拉动地毯。 饲料狗是细长的,并且在动力辊和压脚两者之间夹着地毯。 通过作用于动力辊和压脚两者的细长进给齿来增强地毯的移动。
    • 9. 发明授权
    • Sewing machine
    • 缝纫机
    • US08875642B2
    • 2014-11-04
    • US14178613
    • 2014-02-12
    • Aisin Seiki Kabushiki Kaisha
    • Yasunori Kawai
    • D05B47/04D05C11/08
    • D05C11/08D05B3/00D05B27/00D05B47/04
    • A sewing machine includes: a needle rod being reciprocated vertically; tension discs sandwiching an upper thread; a feed mechanism transporting a sewing object in a vertical direction; a reciprocating mechanism reciprocating the needle rod laterally; an upper thread tension adjusting mechanism adjusting the tension discs; a feed amount adjusting mechanism adjusting a feed amount of the feed mechanism; a stitch width adjusting mechanism adjusting a stitch width of the reciprocating mechanism; and a control apparatus controlling the upper thread tension adjusting mechanism, the feed amount adjusting mechanism, and/or the stitch width adjusting mechanism. A common adjusting mechanism, being one of the feed amount adjusting mechanism and the stitch width adjusting mechanism, includes: a motor; an adjusting mechanism body being a tooth-missing gear and/or a cam; and a variation amount adjusting unit. The upper thread tension adjusting mechanism includes: a thread loosening portion; and an upper thread tension adjusting unit.
    • 缝纫机包括:垂直往复运动的针杆; 夹紧面线的张力盘; 在垂直方向上运送缝合物的送料机构; 横向往复运动的机构; 调整张力盘的面线张力调节机构; 调节进给机构的进给量的进给量调节机构; 调整往复机构的针迹宽度的线圈宽度调节机构; 以及控制上线张力调节机构,进给量调节机构和/或针迹宽度调节机构的控制装置。 作为进给量调整机构和线圈宽度调整机构之一的共同的调节机构包括:电动机; 作为齿缺齿轮和/或凸轮的调节机构主体; 和变化量调整单元。 所述面线张力调整机构包括:螺纹松动部; 和面线张力调节单元。