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1. 发明专利

JP2008018177A Lubrication structure of sewing machine 审中-公开
标题翻译：缝纫机润滑结构
公开(公告)号：JP2008018177A
公开(公告)日：2008-01-31
申请号：JP2006194632
申请日：2006-07-14
申请人： Yamato Sewing Mach Co Ltd , ヤマトミシン製造株式会社
发明人： MIZUSAKI TAKASHI , HASHIMOTO SEIJI , OKABE MASATO
IPC分类号： D05B71/00 , D05B55/00 , D05B57/30 , F16N7/14
摘要： PROBLEM TO BE SOLVED: To provide a lubrication structure of a sewing machine, the lubrication structure achieving high lubricating performance without causing defects due to leakage of lubricant outside a housing and performing excellent lubrication of a sliding member which operates at high speed.
SOLUTION: The lubrication structure lubricates a support part of an upper looper rod 1 which slides in an axial longitudinal direction in accordance with operation of a looper driving shaft 21 and a looper crank 22 inside a sewing machine bed 2, wherein a holding body 3 is made of porous material in which many pores each having a diameter of 10 to 40 μm and continuous with one after another are formed at a porosity of 60 to 90%, and a part of the holding body 3 is approximated the support part of the upper looper rod 1, fixedly provided in the internal surface of the sewing machine bed 2, and the lubricant which is impregnated in and held by the holding body 3 is supplied to the support part of the upper looper rod 1.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供缝纫机的润滑结构，该润滑结构实现高润滑性能，而不会由于润滑剂在壳体外部的泄漏而导致缺陷，并且对高速运转的滑动部件进行优异的润滑。解决方案：润滑结构根据打针器驱动轴21和缝纫机床2内的打环曲柄22的操作沿着轴向长度方向润滑上活塞杆1的支撑部分，其中保持主体3由多孔材料制成，其中孔径为60至90％的孔隙率形成有许多直径为10至40μm并且彼此连续的多个孔，并且保持体3的一部分近似于支撑部分固定设置在缝纫机床2的内表面上，并且浸渍并保持在保持体3上的润滑剂被供给到上活塞杆1的支撑部。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007099864A Lubricant for sewing machine 审中-公开
标题翻译：用于缝纫机的润滑剂
公开(公告)号：JP2007099864A
公开(公告)日：2007-04-19
申请号：JP2005290108
申请日：2005-10-03
申请人： Yamato Sewing Mach Co Ltd , ヤマトミシン製造株式会社
发明人： MIZUSAKI TAKASHI , HASHIMOTO SEIJI , OKABE MASATO
IPC分类号： C10M169/02 , C10M101/02 , C10M105/32 , C10N20/00 , C10N20/02 , C10N30/00 , C10N30/06 , C10N40/06 , C10N50/10
CPC分类号： C10M105/32 , C10M111/02 , C10M2203/10 , C10M2207/28 , C10N2220/022 , C10N2220/10 , C10N2240/06 , C10N2250/10
摘要： PROBLEM TO BE SOLVED: To provide a lubricant for a sewing machine which achieves lubrication performance equivalent to oil lubrication without inviting problems due to the leakage thereof to the outside and can be conveniently used for the lubrication of movable parts of the sewing machine in high-speed operation, in particular, for the lubrication of sliding parts such as a needle bar and a looper bar.
SOLUTION: The lubricant for a sewing machine for the lubrication of movable parts of the sewing machine is mainly composed of a plurality of synthetic esters which are combined so that the resulting mixture has a consistency at 25°C of No.2 to No.000. preferably No.1 to No.00 and a melting point of 70-150°C, preferably 90-115°C.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于缝纫机的润滑剂，其实现与油润滑相当的润滑性能，而不会由于其泄漏到外部而引起问题，并且可以方便地用于缝纫机的可移动部件的润滑在高速运转时，特别是针对针杆，弯针杆等滑动部件的润滑。解决方案：用于缝纫机可动部件润滑的缝纫机的润滑剂主要由多个合成酯组成，合成酯，使得所得混合物在25℃下的稠度为2〜 No.000。优选为No.1〜No.00，熔点为70〜150℃，优选为90〜115℃。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JPH1157271A SAFETY DEVICE FOR SEWING MACHINE 失效
公开(公告)号：JPH1157271A
公开(公告)日：1999-03-02
申请号：JP22530797
申请日：1997-08-21
申请人： YAMATO SEWING MACH CO LTD
发明人： MIZUSAKI TAKASHI , OKABE MASATO
IPC分类号： D05B83/00
摘要： PROBLEM TO BE SOLVED: To report to an operator that the operation of driving a sewing machine is disabled as the result of imperfect closure of any of covers covering the movable parts of a sewing machine main body, while specifying the cover that is the cause of this, so that the sewing machine can be quickly restored from the state in which the driving operation is disabled. SOLUTION: This sewing machine is so designed that a cover 5a covering the fronts of needles 1, 1, ..., a cover 5b covering a looper thread feeder 8, and a cover 5c covering a needle thread feeder 9 are equipped with respective opening/closing detection means for detecting their opening and closing movements. If either of the opening/closing detection means detects an open state when the operation of driving a sewing machine main body is performed, the drive of the sewing machine main body is inhibited, and an alarm differing according to the opening/closing detection means which detected the open state is issued.

4. 发明专利

JPH09276571A SEWING MACHINE WITH REELING DEVICE 失效
公开(公告)号：JPH09276571A
公开(公告)日：1997-10-28
申请号：JP12623396
申请日：1996-04-11
申请人： YAMATO SEWING MACH CO LTD
发明人： MIZUSAKI TAKASHI , OKABE MASATO
IPC分类号： D05B3/02 , D05B1/10 , D05B45/00 , D05B49/02 , D05B55/14
摘要： PROBLEM TO BE SOLVED: To prevent oil leakage and dust intrusion by enclosing tightly the arm part of a sewing machine substantially through omission of the use of a needle thread path reciprocating vertically in synchronization with a needle rod, and to secure the safety of the operator, and allow the machine to work well with the needs for a high speed operation of sewing. SOLUTION: A needle rod 3 is supported in the foremost part 1A of the arm 1 of a sewing machine concerned with capability of reciprocating vertically, and in the horizontal part 1B of the arm, a main shaft for driving 4 to reciprocate the needle rod 3 vertically is inserted and supported. Outside the arm 1, a reeling device 20 is installed which controls the thread feeding operation of a needle thread 9 supplied to a needle 8 via a tension adjuster 11 and a stationary needle thread path 13 through the operation in synchronization with the vertical reciprocative motions of the needle rod 3. The range of the vertical reciprocative motions of the needle rod 3 is set so as not protrude up from the arm 1, and the upper wall part 1a of the arm foremost part 1A is enclosed substantially.

5. 发明专利

JP2000317187A SEWING MACHINE WITH LIGHTING SYSTEM 失效
公开(公告)号：JP2000317187A
公开(公告)日：2000-11-21
申请号：JP16429999
申请日：1999-05-07
申请人： YAMATO SEWING MACH CO LTD
发明人： MORIZAKI NOBORU , KURATA HIROMICHI , OKABE MASATO
IPC分类号： D05B79/00
摘要： PROBLEM TO BE SOLVED: To keep the sufficient visibility of a user by illuminating a spot around the needle location part of a sewing machine with an appropriate illuminance during the sewing operation, and illuminate the work space brightly for the user to do minute operations such as the needle threading, preparation for the next sewing, etc., when the rotation of the sewing machine is stopped. SOLUTION: A plate-shaped safety guard 9 made of a transparent material is mounted in front of the needle location part 8 in the work space, and an LED 11 for emitting light toward the area around the needle location part 8 for illumination is mounted above the needle location part 8. The quantity of light emitted from the LED 11 can be adjusted at least in two steps so that the quantity of light emitted during the sewing operation is smaller than that when the rotation of the sewing machine is stopped.

6. 发明专利

JP2006239341A OIL LEAK PREVENTION AND DUST-PROOFING DEVICE OF SEWING MACHINE 审中-公开
公开(公告)号：JP2006239341A
公开(公告)日：2006-09-14
申请号：JP2005095997
申请日：2005-02-28
申请人： YAMATO SEWING MACH CO LTD
发明人： OKABE MASATO , KINOSHITA RYUICHIRO
IPC分类号： D05B71/00 , D05B27/08 , F16N31/02
摘要： PROBLEM TO BE SOLVED: To provide an oil leak prevention and dust-proofing device of a sewing machine, which prevents accumulation of scraped lubricant while making steady and good operation for scraping the lubricant, also produces dust-proofing effect and can stably maintain the expected oil leak prevention capability and the expected dust-proofing capability for a long period. SOLUTION: An elastic dust-proofing seal plate 8 is sandwiched and held between a slide guide support 7 fixed so as to cover an opening 2 of a sewing machine frame 1 and a front slide seal guide 10, the first elastic seal plate 12 and the second elastic seal plate 13 for oil leak prevention are also sandwiched and held between the front slide seal guide 10 and a rear slide seal guide 11 and between the rear slide seal guide 11 and a seal presser 14, furthermore, the lubricant scraped from the outer surface of the swinging slide bases 3, 4 by the first elastic seal laminae 12 is collected in a oil reservoir 17 and the stored lubricant is compulsorily collected through an oil collection pipe 21. COPYRIGHT: (C)2006,JPO&NCIPI

7. 发明专利

JP2005337441A Seal structure 审中-公开
标题翻译：密封结构
公开(公告)号：JP2005337441A
公开(公告)日：2005-12-08
申请号：JP2004159321
申请日：2004-05-28
申请人： Yamato Sewing Mach Co Ltd , ヤマトミシン製造株式会社
发明人： MIZUSAKI TAKASHI , OKABE MASATO
IPC分类号： D05B71/00 , D05B71/02 , F16C29/02 , F16C33/78 , F16J15/32
摘要： PROBLEM TO BE SOLVED: To provide a seal structure capable of preventing a seal member from coming out of a guide member and enabling the replacement of the seal member. SOLUTION: A needle bar 12 is guided by a tubular needle bar receiving members 29 and 30 and reciprocatingly and displaceably driven in the axial direction. Needle bar seal members 33 and 34 comprise outer peripheral base parts 40, oil seal parts 50, and dust seal parts 52, and are fitted to the needle bar receiving members 29 and 30 by the outer peripheral base part 40. A contact face 53 supporting the axial displacements of the needle bar receiving members 29 and 30 is formed on the outer peripheral base part 40. Thus, the outer peripheral base part 40 can be prevented from being axially displaced relative to the needle bar receiving members 29 and 30. As a result, even if the needle bar seal members 33 and 34 are fitted to a needle bar 12 reciprocatingly and displaceably driven, the needle bar seal members 33 and 34 can be securely prevented from coming out of the needle bar receiving members 29 and 30. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够防止密封构件从引导构件脱出并能够更换密封构件的密封结构。解决方案：针杆12由管状针杆接收构件29和30引导，并沿轴向往复运动并可移动地驱动。针杆密封构件33,34包括外周基部40，油封部50和防尘圈52，并且通过外周基部40与针杆承受构件29,30配合。接触面53支承在外周基部40上形成针杆容纳构件29,30的轴向位移。因此，能够防止外周基部40相对于针杆容纳构件29,30的轴向位移。作为结果是，即使将针杆密封构件33,34往复移动地安装到针杆12上，可以可靠地防止针杆密封构件33,34从针杆容纳构件29,30中脱出。 P>版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004105516A Oil leakage preventive device of sewing machine 审中-公开
公开(公告)号：JP2004105516A
公开(公告)日：2004-04-08
申请号：JP2002273242
申请日：2002-09-19
申请人： Yamato Sewing Mach Co Ltd , ヤマトミシン製造株式会社
发明人： MIZUSAKI TAKASHI , MARUYAMA TAKASHI , OKABE MASATO
IPC分类号： D05B71/00 , F16C29/02 , F16C33/78 , F16J15/32
CPC分类号： F16C29/08
摘要： PROBLEM TO BE SOLVED: To provide an oil leakage preventive structure of a sewing machine having high sealing performance and high durability. SOLUTION: A guide member is inserted, and an oil seal part and a dust seal part of a seal member installed in the guide member contact with an outer peripheral surface of a driving shaft reciprocatingly displaced in the axial direction in a state of being lubricated with lubricating oil. The oil seal part prevents leakage of the lubricating oil by increasing sliding resistance when the driving shaft is displaced so as to separate from a lubricating position, and prevents abrasion by reducing the sliding resistance when the driving shaft is displaced so as to approach the lubricating position. The dust seal part prevents intrusion of a particulate by increasing the sliding resistance when the driving shaft is displaced so as to approach the lubricating position, and prevents the abrasion by reducing the sliding resistance when the driving shaft is displaced so as to separate from the lubricating position. COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2003093774A SEWING MACHINE WITH THREAD FEEDER 审中-公开
公开(公告)号：JP2003093774A
公开(公告)日：2003-04-02
申请号：JP2002263377
申请日：2002-08-05
申请人： YAMATO SEWING MACH CO LTD
发明人： MIZUSAKI TAKASHI , OKABE MASATO
IPC分类号： D05B45/00 , D05B1/10
摘要： PROBLEM TO BE SOLVED: To omit installation of a needle thread guide reciprocating up and down synchronously with a needle bar to the upper end part of the needle bar for hermetically sealing a sewing machine arm part for preventing oil leakage or invasion of dust, securing safety of a worker, and easily complying with increase in a sewing speed. SOLUTION: A needle bar 3 supported in a front end part 1A of the sewing machine arm part 1 via a driving mechanism such as a crank mechanism can be reciprocated in the vertical direction. A vertical reciprocating motion area of the needle bar 3 is set to an area in which the upper end part of the needle bar 3 is not protruded upward beyond an upper wall part 1a of the front end part 1A in the sewing machine arm part 1. In this way, the upper wall part 1a of the front end part 1A in the sewing machine arm part 1 is closed or substantially closed.

10. 发明专利

JPH1015268A SEWING MACHINE 失效
公开(公告)号：JPH1015268A
公开(公告)日：1998-01-20
申请号：JP17258096
申请日：1996-07-02
申请人： YAMATO SEWING MACH CO LTD
发明人： MIZUSAKI TAKASHI , OKABE MASATO
IPC分类号： D05B51/00 , D05B69/04 , D05B73/00
摘要： PROBLEM TO BE SOLVED: To prevent entangling of needle thread or looper thread with a hand wheel, with the operation of the hand wheel enabled kept intact and without remodeling the sewing machine itself. SOLUTION: A top cover 1, which covers a machine arm A and a stand part C, is extended toward the side of the stand C to form a wheel cover 7a which covers from the top a hand wheel 3 attached to the side of the stand C. Thus, a dangling needle thread 4a or a looper thread 4b are prevented from touching the hand wheel 3.

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