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1. 发明专利

JP2005205015A Lower-thread feed mechanism in sewing machine 有权
标题翻译：缝纫机下螺纹送料机构
公开(公告)号：JP2005205015A
公开(公告)日：2005-08-04
申请号：JP2004015979
申请日：2004-01-23
申请人： Juki Corp , ジューキ株式会社
发明人： SAKUMA KUNIHARU , KOTAKI HIROSHI , SHIRAISHI ATSUSHI
IPC分类号： D05B57/26 , D05B57/06 , D05B57/28 , D05B65/00 , D05B73/00 , D05B73/12
CPC分类号： D05B73/12 , D05B65/00 , D05B73/005
摘要： PROBLEM TO BE SOLVED: To provide a sewing machine which can protect fabrics to be sewn and improve the strength of its needle plate.
SOLUTION: This sewing machine is provided with a bobbin case 11 in which a lower-thread bobbin 12 removable through an opening 101c in a needle plate 101 is housed, a tension generating section 13 which gives tension to a lower thread guided from the lower-thread bobbin 12 through the engagement therewith, a lower-thread cutter 14 located at the end of a lower-thread pathway to reserve the lower thread of a certain length guided from the lower-thread bobbin, a cover 15 which removably covers the opening, a covering plate 20 which covers the area surrounding the lower-thread bobbin under the cover, a bending section 16 in which the lower thread is crooked in the lower-thread pathway, a first guide section 30 which guides the lower thread to the bending section 16, and a second guide section 40 which guides the lower thread to the lower-thread cutter. The bobbin case, the tension generating section, the bending section, and the lower-thread cutter are disposed within the area under the opening.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够保护织物被缝制并提高其针板强度的缝纫机。解决方案：该缝纫机设置有梭壳11，其中容纳有可通过针板101中的开口101c移除的下线轴12，张力产生部13，其向下引导的下线张力下线筒管12通过其接合，位于下螺纹路径的端部的下螺纹刀具14，以保留从下线轴引导的一定长度的底线;盖15，其可拆卸地覆盖该开口部分覆盖覆盖下面的下线轴筒的区域的覆盖板20，下线路弯曲在下线路径中的弯曲部分16，将底线引导到弯曲部分16和将底线引导到下线切割器的第二引导部分40。梭壳，张力产生部，弯曲部和下线切割器设置在开口下方的区域内。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2008086596A Thread cutting device of sewing machine 有权
标题翻译：缝纫机螺纹切割装置
公开(公告)号：JP2008086596A
公开(公告)日：2008-04-17
申请号：JP2006271867
申请日：2006-10-03
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B65/02
摘要： PROBLEM TO BE SOLVED: To provide a thread cutting device of a sewing machine, which smoothly captures and cuts a thread.
SOLUTION: A control portion 100 as cutting control means drives a stepping motor 64 for driving a thread capturing body to move a thread capturing body 61 through link bodies 72 and 73 and an actuating body 67 and capture a lower thread T, and then drives a sewing machine motor 5 to move the thread capturing body 61 through a thread cutting cam 65 and the actuating body 67 and cut the lower thread T. When pressing of a thread cutting button 80 as a thread cutting start switch is detected, a CPU 101 reads a detection signal of a main shaft position sensor 18, and a lower shaft 2 is positioned at a predetermined rotation angle (e.g., the angle of the lower shaft when a needle bar is stopped at the bottom), the processing operation is performed by the control portion 100.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种缝纫机的螺纹切割装置，其可以平滑地捕获和切割螺纹。解决方案：作为切割控制装置的控制部分100驱动用于驱动线捕获体的步进电机64，以通过连杆体72和73以及致动体67移动线捕获体61并捕获下线T，并且然后驱动缝纫机马达5，通过切线凸轮65和致动体67移动线条捕获体61并切割下线T.当检测到作为切线启动开关的切线按钮80的按压时， CPU101读取主轴位置传感器18的检测信号，下轴2位于预定的旋转角度（例如，当针杆停止在底部时下轴的角度），处理操作是由控制部分100执行。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2008086350A Presser foot lifting device of sewing machine 审中-公开
标题翻译：缝纫机压脚机提升机
公开(公告)号：JP2008086350A
公开(公告)日：2008-04-17
申请号：JP2006267165
申请日：2006-09-29
申请人： Juki Corp , Juki株式会社
发明人： WATANABE MITSURU , SHIRAISHI ATSUSHI
IPC分类号： D05B19/12 , D05B29/02
摘要： PROBLEM TO BE SOLVED: To provide a presser foot lifting device of a sewing machine, which has improved operability and usability for a secured high performance.
SOLUTION: The presser foot lifting device includes operation means 13, an actuator 9 driven by operation input by the operation means 13, driving force-transmitting means 10 for vertically moving a presser bar 2 by the driving force of the actuator 9, operation amount-detecting means 14 for detecting an operation amount of the operation means 13, cloth thickness-detecting means 12 for detecting the thickness t of a cloth T to be sewn for sewing, and control means 11 for controlling the operation of any part of the sewing machine. The control means 11 is provided with an operation control portion 20 for the presser foot, which calculates the height position of a presser foot 4 by a first lifting position-setting means 18 and drives and controls the actuator 9 so as to be positioned at a first lifting position stored in a fixed value-storing portion 17, when an operation position-determining portion 19 determines that the operation position of the operation means 13 is at the first lifting position.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种缝纫机的压脚提升装置，其具有改进的可操作性和可靠性，以确保高性能。解决方案：压脚提升装置包括操作装置13，由操作装置13输入的操作驱动的致动器9，用于通过致动器9的驱动力垂直移动压脚2的驱动力传递装置10，用于检测操作装置13的操作量的操作量检测装置14，用于检测待缝制织物T的厚度t的布厚度检测装置12以及用于控制缝制的任何部分的操作的控制装置11 缝纫机。控制装置11设置有用于压脚的操作控制部分20，其通过第一提升位置设置装置18计算压脚4的高度位置，并且驱动和控制致动器9以便定位在当操作位置确定部19确定操作装置13的操作位置处于第一提升位置时，存储在固定值存储部17中的第一提升位置。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2007275364A Sewing machine 审中-公开
标题翻译：缝纫机
公开(公告)号：JP2007275364A
公开(公告)日：2007-10-25
申请号：JP2006106724
申请日：2006-04-07
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B3/08
摘要： PROBLEM TO BE SOLVED: To provide a sewing machine having a simple mechanism and facilitating maintenance for preventing deterioration in sewing quality.
SOLUTION: A buttonholing presser foot 2 includes a connection portion 21 provided at the lower end of a pressing bar, a presser foot portion 22 for pressing an object to be sewn, a button-holding portion 24 for holding a button in association with the presser foot portion and moved in a feed direction of the object to be sewn, abutment portions 26, 27, and 28 provided so as to be externally exposed for instructing front and rear positions of buttonholing and a boundary position between an annular part and a straight part of eyelet buttonholing. A detection means 3 is provided at a sewing machine body, and detects the abutment portions by bringing the buttonholing presser foot moved during sewing operation into contact with the abutment portions at predetermined positions. During the eyelet buttonholing, the buttonholing presser foot 2 and the detection means 3 switches the feed direction of the eyelet buttonholing when the abutment portion at the front or rear position is detected, and switches sewing between the annular portion and the straight portion when the abutment portion at the boundary position is detected.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有简单机构的缝纫机，并且便于维护以防止缝纫质量的劣化。按钮压脚2包括设置在按压杆的下端的连接部21，用于按压被缝合物的按压脚部22，用于保持按钮的按钮保持部24 压脚部分沿着待缝合物体的进给方向移动，设置成外露的邻接部分26,27和28用于指示钮扣的前后位置以及环形部分和眼线扣的直线部分。检测装置3设置在缝纫机主体处，并且在缝制操作期间使按钮压脚在预定位置与接合部接触而检测抵接部。在孔眼扣眼中，当检测到前后位置处的抵接部时，扣眼按压脚2和检测装置3切换孔眼扣的进给方向，并且当邻接时，切换环状部与直线部之间的缝合检测边界位置处的部分。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008104639A Presser foot device of sewing machine 有权
标题翻译：缝纫机压脚设备
公开(公告)号：JP2008104639A
公开(公告)日：2008-05-08
申请号：JP2006290176
申请日：2006-10-25
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B29/02
摘要： PROBLEM TO BE SOLVED: To reduce the dispersion in a presser pressure by finely adjusting the presser pressure.
SOLUTION: This presser foot device 1 of the sewing machine is provided with: a presser bar 2 vertically moving along the vertical direction of a needle bar and having a cloth presser foot 21 at the lower end; a guide shaft 5 provided in parallel to the presser bar; a presser member 6 vertically movably inserted into the both of the presser bar and the guide shaft; a first resilient member 8 where the presser bar is inserted and which is resiliently deformed when the presser member is pushed down and applies an energizing force to the presser bar; and a second resilient member 7 inserted with the guide shaft, disposed in parallel to the first resilient member, elastically deformed when the presser member is pushed down, and applying the energizing force to the presser bar. The second elastic member has a resilient constant smaller than that of the first elastic member, and the presser member or the two resilient members are so constituted that, when the presser member is pushed downward, the presser member previously abuts on the second resilient member.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过精细调节压脚压力来减小压脚压力的分散。解决方案：缝纫机的压脚装置1具有：沿着针杆的上下方向垂直移动的压脚杆2，在下端具有布压脚21; 与压脚平行地设置的导向轴5; 可上下移动地插入压杆和导向轴两者中的按压件6; 第一弹性构件8，其中压杆被插入并且当按压构件被向下推动时弹性变形，并且对压杆施加通电力; 并且插入有与所述第一弹性构件平行设置的所述引导轴的第二弹性构件7在所述按压构件被向下推压时弹性变形，并且向所述压脚施加所述施力。第二弹性构件具有小于第一弹性构件的弹性常数，并且按压构件或两个弹性构件的构造使得当按压构件被向下推压时，压紧构件预先抵靠第二弹性构件。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007075494A sewing machine 审中-公开
标题翻译：缝纫机
公开(公告)号：JP2007075494A
公开(公告)日：2007-03-29
申请号：JP2005270180
申请日：2005-09-16
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B45/00 , D05B87/02
摘要： PROBLEM TO BE SOLVED: To prevent upper thread from coming off a needle hole immediately after the start of sewing when the thread is inserted through the needle hole even if a thread take-up is in any positions. SOLUTION: The sewing machine 1 comprises: a needle bar 14; a thread inserting means 2 for inserting the upper thread through the sewing needle 13; a phase detection means 51 for detecting a phase of a main shaft 16; a thread delivery means 6 for delivering the upper thread; the thread take-up 17; a storage means 94 for storing delivery amount data 94a generated by associating the phase of the main shaft 16 with the delivery amount of the upper thread; a descent detection means 52 for detecting a fall of the thread inserting means 2; a start input means 7 for instructing and inputting sewing start; a determining means 9 of thread delivery amount for determining a delivery amount of the upper thread from the detected phase of the main shaft 16 and delivery amount data 94a when the descent detection means 52 detects the fall of the thread inserting means 2; and a thread delivery control means 9 for controlling the thread delivery means 6 to deliver the upper thread by the determined amount when sewing starts. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使螺纹插入到针孔中，即使螺纹接合处于任何位置，也可以防止在开始缝合之后立即将针脚从针孔上脱落。缝纫机1包括：针杆14; 用于将面线插入缝纫针13的线插入装置2; 用于检测主轴16的相位的相位检测装置51; 用于输送面线的送丝装置6; 线卷17; 存储装置94，用于存储通过将主轴16的相位与面线的输送量相关联而产生的输送量数据94a; 用于检测线插入装置2的跌落的下降检测装置52; 用于指示和输入缝制开始的开始输入装置7; 确定装置9，用于当下降检测装置52检测到线插入装置2的坠落时，从主轴16的检测相位确定面线的传送量和传送量数据94a; 以及线程传送控制装置9，用于在缝合开始时控制线递送装置6将面线传送确定的量。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2008086598A Thread cutting device of sewing machine 有权
标题翻译：缝纫机螺纹切割装置
公开(公告)号：JP2008086598A
公开(公告)日：2008-04-17
申请号：JP2006271885
申请日：2006-10-03
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B65/02
摘要： PROBLEM TO BE SOLVED: To provide a thread cutting device of a sewing machine, which smoothly catches and cuts a thread.
SOLUTION: A thread cutting mechanism 60 includes: a thread capturing body 61 having a bifurcated portion, moving forward and backward through a lower thread passage for a lower thread T delivered from a bobbin 32, and cutting the lower thread T captured at the bifurcated portion in association with a fixed blade 63; a thread cutting cam 65 provided at a lower shaft 2 rotated by a sewing machine motor 5; a bifurcated portion-operating link 67 for transmitting power from the thread cutting cam 65 to the thread capturing body 61; a stepping motor 64 for driving the thread capturing body, which drives the thread capturing body 61; and second power transmitting means for transmitting power from the stepping motor 64 to the thread capturing body 61.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种缝纫机的螺纹切割装置，其平滑地抓住并切割线。解决方案：切线机构60包括：具有分叉部分的线捕获体61，其通过用于从线轴32传送的下线T的下线通道向前和向后移动，并且切割捕获在下面的下线T 与固定刀片63相关联的分叉部分; 设置在由缝纫机马达5旋转的下轴2的切线凸轮65; 用于将动力从切线凸轮65传递到线捕获体61的分叉部分操作连杆67; 用于驱动线捕获体61的线捕获体的步进电机64; 以及第二动力传递装置，用于将来自步进电动机64的动力传递到线捕获体61.权利要求：（C）2008，JPO＆INPIT

8. 发明专利

JP2007222556A Presser foot device of sewing machine 审中-公开
标题翻译：缝纫机压脚设备
公开(公告)号：JP2007222556A
公开(公告)日：2007-09-06
申请号：JP2006050238
申请日：2006-02-27
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B29/06 , D05B3/06
摘要： PROBLEM TO BE SOLVED: To restrain a decrease in tightening a thread or skipped stitch even though a fabric is sewn being sandwiched between a presser foot and a plate.
SOLUTION: A presser foot device 10 of a sewing machine is provided with a connection member fixed onto a presser holder provided at the bottom end of a presser bar, a presser foot 2 slidably retained in the connection member and for pressing an object W to be sewn, an opening 31 connected to the presser foot 2 so as to be positioned below the presser foot 2 and for a needle location and the plate 3 for sandwiching the object W together with the presser foot 2. The presser foot 2 has projections 27a and 27b projecting so as to advance inside the opening 31 of the plate 3 when sandwiching the object W together with the plate 3.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使织物被夹在压脚和板之间被缝合，也可以限制拧紧线或跳线的缝合。解决方案：缝纫机的压脚装置10设置有连接构件，该连接构件固定到设置在压杆底端的压脚架上，可滑动地保持在连接构件中并用于按压物体的压脚2 W，被连接到压脚2的开口31，以便定位在压脚2的下方并用于针位置，板3用于将压脚2夹在一起。压脚2具有突起27a和27b突出，以便在将物体W与板3一起夹在板3的开口31内时前进。（C）2007，JPO＆INPIT

9. 发明专利

JP2006326150A Thread insertion apparatus of sewing machine 有权
标题翻译：缝纫机螺纹插入装置
公开(公告)号：JP2006326150A
公开(公告)日：2006-12-07
申请号：JP2005156928
申请日：2005-05-30
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B87/02
CPC分类号： D05B87/02
摘要： PROBLEM TO BE SOLVED: To provide a thread insertion apparatus of a sewing machine capable of preventing the erroneous rotation of a thread insertion hook in all sections by a small space even when a thread insertion lever is operated under a severe condition.
SOLUTION: The thread insertion apparatus 100 comprises: a needle bar 2 provided with a stopper 8; a thread insertion shaft 3 provided with the thread insertion hook 41; and the thread insertion lever 6 where a helical guide groove 65 is formed with the thread insertion shaft 3 as an axis. Also, the apparatus comprises a first projection part 51b projected from the thread insertion shaft 3 on the stopper 81, a second projection part 51a inserted to the guide groove 65, and an erroneous rotation preventing member 7 freely vertically movably supported to the thread insertion lever 6 on the second projection part 51a, rotation-fixed to the thread insertion lever 6, provided with a rotation regulation part 73 disposed on the upper end part side of the guide groove 65 in the peripheral direction of the thread insertion shaft 3 more than the first or second projection part 51b or 51a and provided with an unlocking part 74 extended to a part lower than the first projection part 51b on the stopper 81.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种缝纫机的线插入装置，即使在严重条件下操作线插入杆的情况下，也能够在小的空间中防止所有部分中的线插入钩的错误旋转。线插入装置100包括：设置有止动件8的针杆2; 设置有线插入钩41的线插入轴3; 以及螺纹插入杆6，其中以螺纹插入轴3为轴线形成螺旋形导槽65。此外，该装置包括从止动件81上的线插入轴3突出的第一突出部51b，插入到引导槽65中的第二突出部51a和自由地垂直移动地支撑在线插入杆上的错误防止旋转构件7 如图6所示，在第二突出部51a上旋转固定到线插入杆6，在螺纹插入轴3的周向设置有设置在引导槽65的上端部侧的旋转调节部73，第一或第二突出部分51b或51a，并且设置有在止动件81上延伸到低于第一突出部51b的部分的解锁部分74.版权所有：（C）2007，JPO＆INPIT

10. 发明专利

JP2010131184A Threading device for sewing machine 审中-公开
标题翻译：缝纫机螺纹装置
公开(公告)号：JP2010131184A
公开(公告)日：2010-06-17
申请号：JP2008309923
申请日：2008-12-04
申请人： Juki Corp , Juki株式会社
发明人： SHIRAISHI ATSUSHI
IPC分类号： D05B87/02
摘要： PROBLEM TO BE SOLVED: To provide a threading device for a sewing machine which pulls out a thread with tension by lowering moving a holding piece in a needle bar direction and easily adjusts the timing of opening a held needle thread and an opening amount by a simple structure.
SOLUTION: The threading device for the sewing machine includes: a thread holding mechanism 11 for pulling out the needle thread held by a fixed holding piece and a movable holding piece to one side of a needle hole with tension and bringing it close by the lowering of the fixed holding piece 17 and the movable holding piece 18 while being rotated in conjunction with the push-down operation of a lever at a threading position 3 for inserting the needle thread to the needle hole of a sewing needle 1; and a hook mechanism 10 for pulling off the needle thread through the hooking needle hole from the other side of the needle hole through a needle thread hooking needle hole at the threading position in conjunction with the push-down operation of the lever. The thread holding mechanism has an abutting member 22 for opening the holding state of the needle thread by the fixed holding piece and the movable holding piece immediately after the hook mechanism hooks the needle thread, and the opening timing and opening amount of the holding state are changed by adjusting an abutting position of the abutting member.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种缝纫机的穿线装置，其通过在针杆方向上下移动保持件来拉伸拉线，并且容易地调节打开保持的针线的时间和开口量通过简单的结构。解决方案：缝纫机的穿线装置包括：线夹持机构11，其用于将由固定保持片保持的针线和可动保持片拉出到针孔的一侧，并使其靠近结合在用于将针线插入缝纫针1的针孔的穿线位置3处的杆的下推操作而旋转的固定保持片17和可动保持片18的下降; 以及钩机构10，用于结合杆的下推操作，通过穿刺位置处的针线钩针从针孔的另一侧通过钩针穿过钩针。线夹持机构具有抵接构件22，用于通过固定保持片和可动夹持片在钩机构钩住针线之后打开针线的保持状态，保持状态的打开正时和打开量为通过调整邻接构件的抵接位置来改变。版权所有（C）2010，JPO＆INPIT

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