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    • 81. 发明专利
    • Needle guard device of sewing machine
    • 缝纫机针脚保护装置
    • JP2005058700A
    • 2005-03-10
    • JP2003323748
    • 2003-08-11
    • Yamato Sewing Mach Co Ltdヤマトミシン製造株式会社
    • SHIMIZU YOSHIHIDEINOUE TADANORI
    • D05B55/06
    • PROBLEM TO BE SOLVED: To provide a needle guard device of a sewing machine which can prevent damage of a needle, such as breaking, by collision of the needle against a needle guide member even if the top of the needle bends largely and which keeps the needle and the needle guide member in contact with each other for a long time to ensure a catch of a needle thread loop by a looper.
      SOLUTION: A needle guard member 15 is brought into contact with a needle to guide a needle 9 in the regular moving track position when the needle 9 is made to cooperate with a looper 34 to form a stitch. A needle guard swing mechanism is provided on the needle guard member 15 for causing the needle guard member 15 to swing the needle guard board 13 having the needle guard member 15 horizontally and vertically combinedly to give a horizontal movement along a sewing direction and a vertical movement.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供缝纫机的针刺保护装置,即使针的顶部在很大程度上弯曲,也可以通过针与针引导构件的碰撞来防止针的损坏,例如断裂,以及 其保持针和针引导构件相互长时间接触,以确保由弯针钩住针线环。 解决方案:当针9与打针器34配合以形成针迹时,针保护构件15与针接触以将针9引导到规则的运动轨迹位置。 针护罩摆动机构设置在针保护构件15上,用于使针保护构件15水平和垂直地组合地摆动具有针保护构件15的针护罩板13,从而沿着缝纫方向和垂直运动 。 版权所有(C)2005,JPO&NCIPI
    • 83. 发明专利
    • Device and method for controlling feeding dimension of belt-like object
    • 用于控制类似物体的进给尺寸的装置和方法
    • JP2004201809A
    • 2004-07-22
    • JP2002372730
    • 2002-12-24
    • Yamato Sewing Mach Co Ltdヤマトミシン製造株式会社
    • NAKADA NORIOKURATA HIROMICHI
    • D05B69/00D05B19/16D05B33/02D05B35/06D05B69/22
    • PROBLEM TO BE SOLVED: To provide a device and a method for controlling the feeding dimension of a belt-like object capable of facilitating an input operation and improving the accuracy of the dimension of the belt-like object sewn to a cloth.
      SOLUTION: A feed length is inputted for each process by an input means 40, the required number of rotations of a feed motor 27 corresponding to it is computed in a control circuit 30 and is compared with the rotation number of the feed motor 27 detected in a motor rotation sensor 29 in the control circuit 30, a command is supplied from the control circuit 30 to a feed motor drive circuit 31 so as to rotate the feed motor 27 for the required rotation number and the feed motor 27 is controlled. In such a manner, by inputting the feed length, the feed motor 27 is rotated for the required rotation number and the belt-like object 24 is fed. Thus, the belt-like object 24 is sewn with high dimension accuracy. Also, an operator only inputs the feed length and the input operation is extremely facilitated.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供一种用于控制能够便于输入操作的带状物体的进给尺寸的装置和方法,并且提高缝合在布上的带状物体的尺寸精度。

      解决方案:通过输入装置40为每个处理输入进给长度,在控制电路30中计算与其对应的进给马达27的所需转数,并将其与进给马达的转数进行比较 27在控制电路30中的电动机旋转传感器29中检测到,从控制电路30向进给电动机驱动电路31提供指令,以使进给电动机27旋转所需转数,并且进给电动机27被控制 。 以这种方式,通过输入进给长度,进给马达27旋转所需的旋转数,并且输送带状物体24。 因此,以高精度缝制带状物体24。 此外,操作者仅输入进给长度,并且非常便于输入操作。 版权所有(C)2004,JPO&NCIPI

    • 84. 发明专利
    • Pumping device of sewing machine
    • 缝纫机泵送装置
    • JP2004166737A
    • 2004-06-17
    • JP2002332782
    • 2002-11-15
    • Yamato Sewing Mach Co Ltdヤマトミシン製造株式会社
    • KANEKAWA YASUO
    • D05B71/00
    • PROBLEM TO BE SOLVED: To prevent occurrence of a fault due to defective lubrication by satisfactorily lubricating a gear for transmitting the rotation of a main shaft to the rotor of an oil feeding pump for feeding lubricating oil to each movable part inside a sewing machine frame.
      SOLUTION: A valve hole communicated with the middle of an oil discharging path 27 is bored on the casing 20 of an oil feeding pump 2, and a pressure regulating valve 4 is constituted inside this valve hole. At the pressure-regulating screw 41 of the pressure regulating valve 4, an oil jetting hole 5 extending through the axial center part of this screw is bored. When the valve 4 for regulating pressure inside the path 27 is operated, part of the lubricating oil inside the path 27 is partially jetted to the outside of the casing 20 via the hole 5 to feed the oil to the engaging part of a worm wheel 10 fitted to the rotor shaft 23 of an inner rotor 22 and a worm 11 provided at a main shaft S.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了防止由于润滑不正常而使主轴的转动传递到用于将润滑油供给到供给润滑油的转子的润滑油的错误润滑发生到缝纫机内的每个可动部分 机架。 解决方案:与排油路27的中间连通的阀孔在给油泵2的壳体20上钻孔,在该阀孔内部形成有压力调节阀4。 在压力调节阀4的压力调节螺钉41处,穿过该螺杆的轴向中心部分的喷油孔5是钻孔的。 当用于调节路径27内的压力的阀4操作时,路径27内部的润滑油的一部分经由孔5部分地喷射到壳体20的外部,以将油输送到蜗轮10的接合部 安装在内转子22的转子轴23和设置在主轴S上的蜗杆11.版权所有(C)2004,JPO
    • 85. 发明专利
    • Needle bar device of sewing machine
    • 缝纫机针条设备
    • JP2004049743A
    • 2004-02-19
    • JP2002214310
    • 2002-07-23
    • Yamato Sewing Mach Co Ltdヤマトミシン製造株式会社
    • MIZUSAKI TAKASHI
    • D05B27/04
    • PROBLEM TO BE SOLVED: To quickly adjust the upper/lower positions of a feed dog according to sewing conditions without causing misregistration in a plane of a sewing machine bed.
      SOLUTION: A feed bracket 1 attached to the lower end of a needle bar separately comprises an upper part bracket 11 and a lower part bracket 12, a slider 52 provided in the upper end part of the lower part bracket 12 is slidably fitted in a guide groove 50 vertically extended in the lower end part of the upper part bracket 11, a fixing screw 54 passing through a long hole 51 in the bottom surface of the guide groove 50 is threaded with a screw hole 53 formed in the slider 52, and the sliding position of the slider 52 is fixed by the fastening of the fixing screw 54, so that the vertical position of the feed dog 13 provided in the lower end of the lower part bracket 12 is adjusted.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:根据缝制条件快速调整进给犬的上下位置,而不会在缝纫机床的平面内引起不对准。 解决方案:分针安装在针杆下端的进料托架1包括上部托架11和下部支架12,设在下部托架12的上端部分的滑块52可滑动地安装 在上部托架11的下端部垂直延伸的导向槽50中,穿过导向槽50的底面的长孔51的固定螺钉54与形成在滑动件52上的螺纹孔53相通 并且滑块52的滑动位置通过固定螺钉54的固定来固定,使得设置在下部托架12的下端的进给齿13的垂直位置被调节。 版权所有(C)2004,JPO
    • 86. 发明专利
    • Feeder of sewing machine
    • 缝纫机喂料机
    • JP2003326030A
    • 2003-11-18
    • JP2002139174
    • 2002-05-14
    • Yamato Sewing Mach Co Ltdヤマトミシン製造株式会社
    • INOUE TADANORI
    • D05B27/06D05B35/06
    • PROBLEM TO BE SOLVED: To provide a feeder of a sewing machine, which can appropriately feed an object to be sewn, having areas different in characteristics from one another, in a uniform feeding state in a feeding direction.
      SOLUTION: This feeder 1 is equipped with a rear upper feed dog 14. The feed dog 14, which has first and second rear upper feed dogs 15 and 16, is provided in the state of facing a throat plate 7 on a downstream side in the feeding direction A with respect to a presser foot 8. The feed dogs 15 and 16 are made perpendicular to the feeding direction A, and juxtaposed in a direction along throat plate 7. Thus, the respective feed dogs 15 and 16 are arranged according to the characteristics of the respective areas of the object 20 faced by the feed dogs 15 and 16, so that the locked states of the feed dogs 15 and 16 in the respective areas can be made approximately uniform. Consequently, even the object 20, having the areas different in the characteristics from one another, can be appropriately fed in the uniform feeding state in the feeding direction A.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供缝纫机的馈送装置,其可以在馈送方向上以均匀的馈送状态适当地馈送具有彼此不同特征的区域的缝合物体。

      解决方案:该进料器1装备有后上部进料斗14.具有第一和第二后部上部进料斗15和16的进给齿14设置在面向下游的喉板7的状态 相对于压脚8在进给方向A侧。进给爪15和16垂直于进给方向A制成,并沿着喉板7的方向并置。因此,相应的进给爪15和16被布置 根据进给犬15和16所面对的物体20的各个区域的特征,使得各个区域中的进给犬15和16的锁定状态可以大致均匀。 因此,即使具有彼此不同的区域的物体20也可以在馈送方向A的均匀馈送状态下适当地馈送。(C)2004,JPO

    • 87. 发明专利
    • Presser foot of sewing machine
    • 缝纫机压脚机
    • JP2003079983A
    • 2003-03-18
    • JP2001398272
    • 2001-11-20
    • Yamato Sewing Mach Co Ltdヤマトミシン製造株式会社
    • HAYASHIDA TAKAYUKISEIRIKI TORU
    • D05B29/10D05B27/10D05B29/00
    • PROBLEM TO BE SOLVED: To reliably, smoothly and uniformly feed fabric without necessitating the trouble of applying oil when sewing a less smooth fabric and easily carrying out a curve stitch and a fancy stitch.
      SOLUTION: A small presser foot 9 elastically pressing a fabric W on the downstream side of a sewing direction Y of a needle location hole 5a against moveable feed dogs 8L and 8R on the top face side of a needle plate 7 is mounted, a pair of right and left rotors 12L and 12R elastically pressing the fabric W against the moveable feed dogs 8L and 8R by the peripheral lower ends 12l and 12r are provided, and the straight line distance along the sewing direction Y between the peripheral lower ends 12l and 12r of the pair of right and left rotors 12L and 12R and the pressing portion of the small presser foot 9 is reduced as much as possible to the extent that there is no interference with operation.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了可靠地平稳地均匀地进给织物,而不需要在缝制不太光滑的织物并容易地进行曲线针迹和花式针迹时施加油的麻烦。 解决方案:将针位置孔5a的缝制方向Y的下游侧上的织物W弹性按压到针板7的顶面上的可动进给齿8L和8R的小按压脚9,一对 设置左右转子12L,12R,通过周缘部下端部12l,12r将织物W弹性地按压在动力喂入爪8L,8R上,沿周向下端部12l,12r的缝制方向Y的直线距离 一对左右转子12L和12R以及小压脚9的按压部分尽可能地减小到不受操作干扰的程度。