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    • 47. 发明授权
    • Presser regulating thumb screw device of a sewing machine
    • 压线机调节缝纫机的拇指螺丝装置
    • US5855177A
    • 1999-01-05
    • US711212
    • 1996-09-10
    • Koichi NakayamaShinji Kojima
    • Koichi NakayamaShinji Kojima
    • D05B29/02D05B29/00
    • D05B29/02
    • A presser regulating thumb screw device of a sewing machine screwed into an arm �2! of the sewing machine and including a presser regulating thumb screw �18!, the pressure regulating thumb screw �18! being turned clockwise or counter clockwise for regulating to increase or decrease a pressing force by a presser foot �6!, wherein the presser regulating thumb screw �18! comprises a screw body �8! and a fitting member �9! fitted in the screw body �8!, the screw body �8! is bored in a central axis thereof to form a small diameter fitting hole �8a!, a large diameter receiving hole having a diameter larger than that of the fitting hole �8a!, and a spot facing part �8c! extending from the large diameter hole �8b! having a diameter larger than that of the large diameter hole �8b!, the small diameter fitting hole �8a!, the large diameter fitting hole �8b! and the spot facing part �8c! are arranged in an ascending order, and wherein the fitting member �9! is fixed to the spot facing part �8c! so as not to turn relative to the spot facing part �8c!, and the fitting member �9! has a fitting part �9b!, the fitting part �9b! having a different shape other than a circular shape in cross section.
    • 缝纫机的手指螺丝装置的一个压脚,该缝合机的螺丝拧入缝纫机的手臂[2],并包括压脚调节拇指螺钉[18],压力调节翼形螺钉[18]顺时针或逆时针转动以调节 或者通过压脚减小按压力[6],其中压脚调节翼形螺钉[18]包括螺钉体[8]和装配在螺钉体[8]中的装配构件[9],螺钉体[8] ]在其中心轴线上钻孔以形成直径小的安装孔[8a],直径大于安装孔[8a]直径的直径接收孔,以及从大型 直径大于孔径[8b]的直径孔[8b],小直径嵌合孔[8a],大直径嵌合孔[8b]和光斑对向部分[8c] 并且其中装配构件[9]固定到点对面部分[8c] 相对于点对向部件[8c]不转动,并且嵌合部件[9]具有嵌合部[9b],该嵌合部[9b]的截面形状除了圆形以外。
    • 48. 发明授权
    • Pressure foot unit for sewing machine
    • 缝纫机压脚机
    • US5718182A
    • 1998-02-17
    • US613359
    • 1996-03-11
    • Koichi NakayamaShinji Kojima
    • Koichi NakayamaShinji Kojima
    • D05B29/12C30B33/00D05B29/06
    • D05B29/06C30B33/00
    • In a presser foot unit for a sewing machine, a holding member including a presser foot holding knuckle is provided. A presser foot having a pair of knuckles at the back end of the presser foot is also included. The knuckles on the presser foot are spaced apart to receive the presser foot holding knuckle. A presser foot support pin extends through the pair of knuckles on the presser foot and also through a groove in the presser foot holding knuckle, thereby mounting the presser foot to the holding member such that the presser foot can pivot about the support pin. The presser foot holding knuckle also forms curved protrusions that engage the pair of knuckles on the presser foot, such that the presser foot is constrained from moving laterally relative to the holding member. In addition, a spring is supported by the holding member for biasing the presser foot against a piece fabric during operation of the sewing machine. The spring includes an arm portion having a bent extremity that is inserted in a first opening formed in the holding member. Another longer arm portion of the spring engages the presser foot.
    • 在缝纫机的压脚单元中,设置有包括压脚保持关节的保持构件。 还包括在压脚的后端具有一对指节的压脚。 压脚上的关节间隔开以接收压脚保持转向节。 压脚支撑销延伸穿过压脚上的一对指关节,并且还穿过压脚保持转向节中的凹槽,从而将压脚安装到保持构件,使得压脚可以围绕支撑销枢转。 压脚保持转向节还形成弯曲突起,该突起与压脚上的一对指节接合,使得压脚相对于保持构件被横向移动。 此外,弹簧由保持构件支撑,用于在缝纫机的操作期间将压脚偏压在一件织物上。 弹簧包括具有弯曲末端的臂部分,其插入形成在保持构件中的第一开口中。 弹簧的另一个较长的臂部分与压脚啮合。
    • 49. 发明授权
    • Thread trimming device for a lockstitch bar tacking sewing machine
    • 缝纫机缝纫机的修剪装置
    • US5477795A
    • 1995-12-26
    • US194198
    • 1994-02-09
    • Koichi NakayamaKatsuo HiratsukaMasanori Ayuta
    • Koichi NakayamaKatsuo HiratsukaMasanori Ayuta
    • D05B19/14D05B65/02D05B69/36
    • D05B65/02
    • A thread trimming device for a lockstitch bar tacking sewing machine is equipped with a thread trimming unit comprising a detecting member which is rotatably supported by a sewing machine body and has a detecting portion, a first position detecting means which is fixedly mounted on said sewing machine body in such a way as to be capable of facing the detecting portion of the detecting member and which produces a thread trimming signal for starting thread trimming when the detecting portion approaches thereto and a driving unit for driving a thread trimming cam link in such a way as to bring the contact portion of a thread cam link in contact with the cam surface of a thread trimming cam for trimming a needle and a bobbin threads based on the thread trimming signal. As a result, the mechanical components thereof becomes simple in structure and easy in adjustment, and those relating to the thread trimming operation are improved in durability. The torque of an arm shaft is reduced and equalized, so that it is possible to equalize a stitch pattern and finish a well-balanced sewn product.
    • 一种用于平缝机缝纫机的修剪装置配备有一个修剪单元,该修剪单元包括由缝纫机主体可旋转地支撑并具有检测部分的检测构件,第一位置检测装置固定地安装在所述缝纫机 本体能够面向检测部件的检测部分,并且当检测部分接近时产生用于开始修剪的切线信号,以及用于以这种方式驱动切线凸轮连杆的驱动单元 使螺纹凸轮连杆的接触部分与修剪凸轮的凸轮表面接触,用于基于切线信号修整针和梭芯。 结果,其机械部件结构简单,调节方便,与修剪操作相关的部件的耐久性提高。 手臂轴的扭矩减小均衡,可以均衡绣花图案,并完成均匀的缝制产品。
    • 50. 发明授权
    • Switch circuit provided with means for setting up the initial condition
thereof
    • 开关电路具有用于设定其初始状态的装置
    • US4633444A
    • 1986-12-30
    • US537825
    • 1983-09-30
    • Koichi NakayamaYoshito Tanaka
    • Koichi NakayamaYoshito Tanaka
    • G11C5/14G11C7/20G11C11/40
    • G11C5/141G11C7/20
    • In a switch circuit, there are provided a signal input stage comprising an array of switches paired with pilot lamps; a storage circuit comprising I.sup.2 L elements for storing a signal derived from the signal input stage; a circuit for causing that one of the pilot lamps be lit which is associated with a predetermined one of the switches; electronic switches for controlling a signal source in response to the signal derived from the signal input stage; an auxiliary current source circuit for holding the memory at the storage circuit when the main power supply is interrupted; and a circuit adapted, when the capacity of the auxiliary current source circuit is decreased and when the main power is supplied, to turn on a predetermined one of the switches while turning off the remaining ones of the switches, thereby setting the storage circuit to a predetermined initial condition.
    • 在开关电路中,提供了包括与指示灯配对的开关阵列的信号输入级; 存储电路,包括用于存储从信号输入级导出的信号的I2L元件; 用于使所述指示灯中的一个点亮的电路与与所述开关中的预定开关相关联; 电子开关,用于响应于从信号输入级导出的信号来控制信号源; 辅助电流源电路,用于在主电源中断时将存储器保持在存储电路; 以及电路,当辅助电流源电路的容量减小并且当主电源被供给时,在关闭其余的开关的同时接通预定的一个开关,从而将存储电路设置为 预定的初始条件。