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1. 发明申请

US20040221782A1 Presser device for a sewing machine 失效
标题翻译：缝纫机压脚机
公开(公告)号：US20040221782A1
公开(公告)日：2004-11-11
申请号：US10825162
申请日：2004-04-16
申请人： Pegasus Sewing Machine Mfg. Co., Ltd.
发明人： Masahiko Nishikawa , Takashi Kasuda , Junji Kawakami
IPC分类号： D05B029/00
CPC分类号： D05B29/02
摘要： A push-up lever is rotatably supported on a sewing machine frame, and a coupling lever is coupled to the push-up lever. An oscillating shaft is rotatably supported on a bush, and the coupling lever is engaged with a part of the oscillating shaft. A presser base is coupled to a crank piece of the oscillating shaft, and a presser foot is fixed at its leading end. An elastic member engaged with the presser base. A bracket changeable in fixing position is supported on the back side of the sewing machine frame, and the bush is fixed in the bracket. The crank piece of the oscillating shaft is separable in two pieces, and the engaging faces of the two separated crank pieces are fixed anew when changing the fixing position of the bracket. Therefore, the circular track of the presser foot near the platform of the sewing machine bed can be changed easily, and an eccentric portion of the crank piece is not changed from an initial setting position.
摘要翻译：上推杆被可旋转地支撑在缝纫机框架上，并且联接杆联接到上推杆。摆动轴可旋转地支撑在衬套上，并且联接杆与摆动轴的一部分接合。压脚基座连接到摆动轴的曲柄片上，压脚固定在其前端。与压脚基部接合的弹性部件。在缝纫机框架的背面侧支撑固定位置更换的托架，将支座固定在支架上。摆动轴的曲柄片可分离成两片，并且在更换支架的固定位置时，两个分离的曲柄块的接合面重新固定。因此，可以容易地改变靠近缝纫机平台的压脚的圆形轨迹，并且曲柄片的偏心部分不会从初始设定位置变化。

2. 发明申请

US20030056701A1 Thread tension control device for a sewing machine 失效
公开(公告)号：US20030056701A1
公开(公告)日：2003-03-27
申请号：US10206220
申请日：2002-07-29
申请人： Pegasus Sewing Machine Mfg. Co., Ltd.
发明人： Tohru Yamazaki
IPC分类号： D05B047/00
CPC分类号： D05B47/04 , D05B69/08
摘要： A pair of tension discs is disposed on a tension stud fixed in part of a sewing machine main body. A pneumatic cylinder has a drive rod. The drive rod moves at least one of the tension discs to other tension disc so that one tension disc is pressed to other tension disc. An air regulator is interposed between the pneumatic cylinder and an air supply source, being composed in an electropneumatic system for converting between voltage and air pressure. By controlling the applied voltage to the electropneumatic air regulator on the basis of an instruction from a microcomputer, the set pressure of the air supplied to the pneumatic cylinder is adjusted. Thereby the pressure to the thread held between the pair of tension discs, that is, the thread tension is controlled. As a result, without having to stop the operation of the sewing machine, the thread tension can be adjusted promptly and appropriately.

3. 发明申请

US20010039907A1 Sewing machine 失效
标题翻译：缝纫机
公开(公告)号：US20010039907A1
公开(公告)日：2001-11-15
申请号：US09814832
申请日：2001-03-23
申请人： Pegasus Sewing Machine Mfg. Co., Ltd.
发明人： Masanori Hayashi
IPC分类号： D05B027/08 , D05B027/16
CPC分类号： D05B73/12 , D05B27/08
摘要： A sewing machine related to the present invention comprises a needle plate and feed dogs. A second feed dog slot provided at the cloth send-in side of a portal shaped needle hole of the needle plate is shifted to the right side from the center of the portal shaped needle hole. The left side first feed dog slot is extending toward the second feed dog slot side in the cloth send-in side of the portal shaped needle hole, so as to be formed a wide breadth portion from side to side. A first cross-piece of the needle plate is disposed between the wide breadth portion and a needle drop portion of the portal shaped needle hole, and a second cross-piece of the needle plate is disposed between the second feed dog slot and said needle drop portion. The first cross-piece is formed wider in the cloth feed direction than the second cross-piece. A differential feed dog disposed in the cloth send-in side of the needle drop portion is composed in a shape combining each feed dog slots. Therefore the cloth can be fed so as not to deviate in the lateral positions of the cloth end, and the spacing margin between the outlet seam end and the seam is controlled at a specified level, so that a sewn product of excellent appearance is obtained.
摘要翻译：涉及本发明的缝纫机包括针板和饲料狗。设置在针板的入口型针孔的布送入侧的第二供给槽狭槽从入口针孔的中心向右侧移动。左侧第一进给槽插槽朝向入口针孔的布送入侧的第二进给槽槽侧延伸，以从一侧到另一侧形成宽幅部。针板的第一横向片设置在门宽形状的针孔的宽幅部分和针下降部分之间，并且针板的第二横截面布置在第二馈送槽狭槽和所述针头下一部分。第一横件在布进给方向上比第二横件更宽。布置在针落下部分的布送入侧的差动馈送狗以组合每个馈送狗插槽的形状组成。因此，可以将布料进给，以便不会在布端的横向位置偏离，并且将出口接缝端和接缝之间的间隔边界控制在指定的水平，从而获得出色外观的缝合产品。

4. 发明申请

US20040221781A1 Sewing machine with needle holder of needle interval adjustable type 失效
标题翻译：缝针机针针间距可调型
公开(公告)号：US20040221781A1
公开(公告)日：2004-11-11
申请号：US10753464
申请日：2004-01-09
申请人： Pegasus Sewing Machine Mfg. Co., Ltd.
发明人： Tatsuaki Kaneda
IPC分类号： D05B055/02
CPC分类号： D05B55/02 , D05B55/00
摘要： A main needle holder is disposed above a needle plate, and has a screw portion for fitting a needle bar. A sub needle holder is fitted to the main needle holder by a set screw so as to be adjustable in position. Fitting position of the sub needle holder to the main needle holder is changed when loosening the screw, so that the interval of the plural needle is widened or narrowed in the longitudinal direction. Plural needles are individually fitted to the needle holders, and penetrate through a needle hole of the needle plate when descending. The fitting position of the sub needle holder to the main needle holder is changed by a longitudinal slit formed linearly on the main needle holder, and the cloth penetration lines by at least two needles of plural needles can be mutually set along in a narrow width.
摘要翻译：主针架设置在针板的上方，具有用于安装针杆的螺纹部。副针架通过固定螺钉装配到主针架上，以便可调节位置。当松开螺钉时，子针架的配合位置变化到主针架，使得多个针的间隔在纵向上变宽或变窄。多针单独装配到针架上，并在下降时穿过针板的针孔。通过在主针保持架上直线形成的纵向狭缝来改变副针保持架到主针架的装配位置，并且可以通过至少两根针的多针的布线贯穿线沿狭窄的宽度相互设定。

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