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    Hook gate for flat bed sewing machines
    1.
    发明授权
    Hook gate for flat bed sewing machines 失效
    钩门平缝机

    公开(公告)号：US3882805A

    公开(公告)日：1975-05-13

    申请号：US41357273

    申请日：1973-11-07

    申请人： NECCHI SPA

    发明人： BIANCHI NEREO

    IPC分类号： D05B57/14 ,  D05B57/18 ,  D05B73/00 ,  D05B57/26

    CPC分类号： D05B57/146 ,  D05B57/18 ,  D05B73/00 ,  D05D2205/16

    摘要： A hook gate for flat bed sewing machines characterized in that the hook is inclined relative to a horizontal line and is placed into a recess formed in the upper portion of the sewing machine bed, along with a freely rotatable latch bracket. The recess is covered by a sliding plate which engages, during its closing and opening displacements, suitable surfaces of the latch bracket to cause the latch bracket to rotate towards and away from the hook gate, respectively.

    摘要翻译： 一种用于平缝机的钩门，其特征在于钩相对于水平线倾斜，并且被放置在形成在缝纫机床的上部中的凹部中以及可自由旋转的闩锁支架。 凹槽由滑板覆盖，该滑动板在其关闭和打开位移期间接合闩锁支架的适当表面，以使闩锁支架分别朝向和远离钩门旋转。

    Sewing machine having automatic pattern sewing device
    2.
    发明授权
    Sewing machine having automatic pattern sewing device 失效
    具有自动图案缝纫设备的缝纫机

    公开(公告)号：US3792673A

    公开(公告)日：1974-02-19

    申请号：US3792673D

    申请日：1972-01-31

    申请人： NECCHI SPA

    发明人： BIANCHI N

    IPC分类号： D05B19/00 ,  D05B3/02

    CPC分类号： D05B19/00

    摘要： The invention relates to a sewing machine which incorporates a device for automatically controlling the transverse displacements of the sewing needle and for controlling the fabric feeding mechanism in order to obtain various stitching patterns. The device is of the type which comprises a stack of axially displaceable rotary cams and the aforementioned controlling is achieved through the use of two separate cam followers, each of which includes separate follower points which respectively may be acted upon by either the rotary cams or by other non-rotary elements.

    摘要翻译： 缝纫机技术领域本发明涉及一种缝纫机，其包括用于自动控制缝纫针的横向位移并控制织物供给机构以便获得各种缝合图案的装置。 该装置是包括一组可轴向移动的旋转凸轮的类型，并且上述控制通过使用两个单独的凸轮从动件来实现，每个凸轮从动件包括分别的从动点，分别可由旋转凸轮或由旋转凸轮 其他非旋转元件。

    Drive and control system in sewing machines producing groups of stitches
    3.
    发明授权
    Drive and control system in sewing machines producing groups of stitches 失效
    缝纫机生产组织中的驱动和控制系统

    公开(公告)号：US3667410A

    公开(公告)日：1972-06-06

    申请号：US3667410D

    申请日：1970-04-23

    申请人： NECCHI SPA

    发明人： BIANCHI NEREO

    IPC分类号： D05B69/28 ,  D05B69/20

    CPC分类号： D05B69/28

    摘要： The present invention is a pneumatically actuated control system for sewing machines to begin and end the sewing cycle and simultaneously to place and retain the work clamp or presser foot into proper relationship with the material during the sewing cycle and comprises a first pneumatic circuit of a control valve, adjustable inlet valve and exhaust valve which circuit is mechanically linked to the sewing cycle control element in the sewing machine and a second pneumatic circuit of a first control valve, a second control valve actuated by the mechanical linkage of the first circuit, a third control valve actuated by the work clamp control element in the sewing machine, an adjustable inlet valve, and an exhaust valve which second circuit is mechanically linked to the work clamp and means to selectively actuate the control valve of the first circuit and the first control valve of the second circuit.

    摘要翻译： 本发明是一种用于缝纫机开始和结束缝合循环的气动致动控制系统，同时在缝纫循环期间将压脚或压脚放置并保持与材料的适当关系，并且包括控制器的第一气动回路 阀门，可调节入口阀和排气阀，该回路机械地连接到缝纫机中的缝合循环控制元件，以及第一控制阀的第二气动回路，由第一回路的机械连杆致动的第二控制阀， 由缝纫机中的压脚控制元件致动的控制阀，可调节的入口阀和排气阀，第二回路机械地连接到压脚和用于选择性地致动第一回路的控制阀和第一控制阀 的第二电路。

    Lubricating device for enclosed motor compressor units
    4.
    发明授权
    Lubricating device for enclosed motor compressor units 失效
    用于封闭电机压缩机单元的润滑装置

    公开(公告)号：US3630316A

    公开(公告)日：1971-12-28

    申请号：US3630316D

    申请日：1970-03-04

    申请人： NECCHI SPA

    发明人： SILLANO PIETRO ,  PERLINO SILVANO

    IPC分类号： F04B39/02 ,  F04B39/12 ,  F25B31/00 ,  F16N17/00

    CPC分类号： F04B39/0261 ,  F04B39/122 ,  F25B31/002

    摘要： An assembly for lubricating an enclosed horizontal compressor motor comprising a disc mounted on the motor shaft adjacent a flat surface containing a groove which communicates with a lower oil reservoir and an upper sump, from which sump lubricant flows into a recess in said motor shaft and thence through oppositely extending helical grooves in said motor shaft to rotor cooling fins which spray lubricant onto stator coils and through ducts in said motor shaft and in a piston connected to said motor shaft to lubricate a piston cylinder.