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1. 发明授权

US06164224A Buttonhole darning sewing machine 失效
标题翻译：扣眼机缝纫机
公开(公告)号：US06164224A
公开(公告)日：2000-12-26
申请号：US105475
申请日：1998-06-26
申请人： Mitsuhiro Tachikawa , Kazuaki Ishii , Yasuaki Hirano , Takashi Tsukioka , Toshiaki Kasuga , Tsuguo Kubota
发明人： Mitsuhiro Tachikawa , Kazuaki Ishii , Yasuaki Hirano , Takashi Tsukioka , Toshiaki Kasuga , Tsuguo Kubota
IPC分类号： D05B3/02 , D05B3/06 , D05B27/00 , D05B29/06 , D05B37/02 , D05B65/00 , D05B69/36 , D05B19/12 , D05B69/10
CPC分类号： D05B27/00 , D05B3/02 , D05B3/06 , D05B29/06 , D05B37/02 , D05B65/00 , D05B69/36 , D05D2205/085 , D05D2305/345
摘要： A cloth cutting knife 16 is structured such that the length of the cutting edge thereof is set shorter than the length of the side sewing portions of a buttonhole to be formed, and a buttonhole having a length corresponding to the length of the right and left side sewing portions can be formed by moving up and down the cloth cutting knife 16 two or more times. The cloth cutting knife 16 is moved up and down at least once during formation of the stitches of the right and left side sewing portions. Also, the cloth cutting knife 16 is moved up and down once each time a given number of stitches of the right and left side sewing portions are formed. The given number of stitches is set in accordance with both of the length of the cutting edge of the cloth cutting knife 16 and the length of the buttonhole to be formed.
摘要翻译：布切割刀16被构造为使得其切割边缘的长度被设定为短于要形成的纽扣孔的侧面缝合部分的长度，并且具有对应于左侧和右侧的长度的长度的纽扣孔可以通过使切布刀16上下移动两次以上来形成缝制部。在形成左右侧缝合部的线圈的过程中，切布刀16上下移动至少一次。此外，每当形成左右侧缝纫部的给定数量的线圈时，切布刀16上下移动一次。根据切布刀16的切削刃的长度和要形成的纽扣孔的长度，设定给定数量的线圈。

2. 发明授权

US5848573A Button hole sewing machine 失效
标题翻译：钮扣缝纫机
公开(公告)号：US5848573A
公开(公告)日：1998-12-15
申请号：US685388
申请日：1996-07-23
申请人： Yasuaki Hirano , Kazuaki Ishii , Mitsuhiro Tachikawa
发明人： Yasuaki Hirano , Kazuaki Ishii , Mitsuhiro Tachikawa
IPC分类号： D05B29/00 , D05B3/06 , D05B29/06 , D05B65/00 , D05B65/02
CPC分类号： D05B65/00 , D05B3/06 , D05B29/06
摘要： A buttonhole sewing machine includes a holding mechanism attached to a holder arm which reciprocates in a direction perpendicular to an amplitude direction of a needle. The holding mechanism includes a workpiece holder plate and constitutes a parallelogram linkage. The holding mechanism maintains a parallelogram shape even when the holder plate slants on a fold of the workpiece, and securely holds the workpiece. This buttonhole sewing machine also includes a cutting mechanism which cuts thread and braid in a short manner even when the holder plate slants. The cutting mechanism has a rotary cutter and a fixed cutter, and the fixed cutter is fixed on the holder plate while inclined from a proximal portion to a distal portion. A wire member is connected to the mobile cutter to facilitate the rotation of the rotary cutter even when the holder plate slants.
摘要翻译：扣眼缝纫机包括固定机构，该保持机构在与针的振幅方向垂直的方向上往复运动的保持臂。保持机构包括工件保持板，构成平行四边形连杆。即使当保持器板倾斜在工件的折叠上并且牢固地保持工件时，保持机构也保持平行四边形形状。该扣眼缝纫机还包括切割机构，即使当夹持板倾斜时，也可以以短的方式切割线和编织物。切割机构具有旋转切割器和固定切割器，并且固定切割器在从近端部分到远端部分倾斜的同时固定在保持器板上。线材构件连接到移动式切割器，以便即使当保持器板倾斜时也能够旋转切割器的旋转。

3. 发明授权

US5937776A Thread cutting device of sewing machine 失效
标题翻译：缝纫机切线装置
公开(公告)号：US5937776A
公开(公告)日：1999-08-17
申请号：US854636
申请日：1997-05-12
申请人： Tatsuya Ogawa , Mitsuhiro Tachikawa , Atsushi Kudo
发明人： Tatsuya Ogawa , Mitsuhiro Tachikawa , Atsushi Kudo
IPC分类号： D05B65/02 , D05B65/00
CPC分类号： D05B65/00
摘要： A thread cutting device of a sewing machine comprises: a movable knife having a thread pickup portion and being movable between a standby position and a thread pickup position; a fixed knife being movable between a standby position and an operating position close to a needle locating point and cutting sewing threads in cooperation with the movable knife at the operating position; a front stopper for holding the fixed knife at the standby position, wherein the front stopper is released from the fixed knife in the course of the movable knife making a forward movement; and a rear stopper for holding the fixed knife at the operating position, wherein the rear stopper is released from the fixed knife in the course of the movable knife making a backward movement and after the sewing threads have been cut.
摘要翻译：缝纫机的线切割装置包括：可动刀，具有线拾取部分，并且可在备用位置和线拾取位置之间移动; 固定刀可在待机位置和靠近针定位点的操作位置之间移动，并在操作位置与可动刀配合切割缝纫线; 用于将固定刀保持在待机位置的前止动件，其中前止动件在可动刀的过程中从固定刀松开而进行向前运动; 以及用于将固定刀保持在操作位置的后挡块，其中在可动刀进退的过程中以及缝纫线被切割之后，后挡块从固定刀上释放。

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