WO2002053821A1 - Machine a coudre avec cassette de fil d'aiguille et cassette de fil d'aiguille - Google Patents
Machine a coudre avec cassette de fil d'aiguille et cassette de fil d'aiguille Download PDFInfo
- Publication number
- WO2002053821A1 WO2002053821A1 PCT/JP2001/011332 JP0111332W WO02053821A1 WO 2002053821 A1 WO2002053821 A1 WO 2002053821A1 JP 0111332 W JP0111332 W JP 0111332W WO 02053821 A1 WO02053821 A1 WO 02053821A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thread
- cassette
- upper thread
- spool
- yarn
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B43/00—Spool-pin assemblies incorporated in sewing machines
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B49/00—Take-up devices, e.g. levers, for the needle thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
Definitions
- the present invention relates to a sewing machine with an upper thread cassette and an upper thread cassette provided with an upper thread cassette detachably mounted on a cassette mounting section of an arm section.
- a balance mechanism and a needle bar drive mechanism driven by a main shaft are arranged in an arm portion, and the balance partially protrudes from a vertical slit of an arm head and is reciprocated up and down.
- a thread spool mounting portion is provided at the upper end of the arm portion, a thread tension device and a thread tension panel are provided on the front side of the arm portion, and an adjustment dial for the thread tension device is provided near the thread tension device.
- the needle bar protrudes below the arm head, and a needle is attached to the lower end of the needle bar.
- U.S. Pat. No. 3,749,039 describes a technique in which an upper thread cassette is configured to be detachable from an arm portion so that thread can be easily hooked.
- a cassette mounting portion is provided substantially at the center of the arm portion of the sewing machine in the left-right direction, and the upper thread cassette can be attached to and detached from the cassette mounting portion from above.
- the cassette mounting section is configured such that the ceiling of the ceiling mechanism reciprocates up and down. It is formed on the right side of the balance moving space, and the front end portion of the balance protrudes into the left end of the cassette mounting portion and reciprocates up and down.
- the upper thread cassette disclosed in U.S. Pat. No. 3,749,039 has a cassette case having a substantially trapezoidal shape when viewed from the front.
- This cassette case includes a case body and an opening / closing lid.
- a thread spool is accommodated in the upper thread spool accommodating portion in the cassette case with its axis being horizontal, and the upper thread of the thread spool is fed out to the right by a predetermined length substantially horizontally.
- a first notch is formed at the lower part of the center of the cassette case for inserting the thread tensioner, and a second notch is formed at the lower part of the left end of the cassette case to introduce the balance. ing.
- the first thread guide is provided above the right end of the cassette, the second and third thread guides are provided at positions sandwiching the first notch, and the fourth and fifth thread guides are provided at the second notch. Is provided at a position sandwiching the.
- the first thread guide is provided with a first resistance applying section that applies resistance to the upper thread in a state where the upper thread cassette is not mounted on the cassette mounting section and that opens after the cassette is mounted.
- the fifth yarn guide is provided with a second resistance applying portion that applies resistance to the upper thread when the cassette is not mounted and that opens after the cassette is mounted.
- the second resistance applying section applies a stronger resistance than the first resistance applying section.
- a thread guide member for guiding the upper thread when the upper thread cassette is mounted and guiding the thread to the thread hooking section of the balance.
- the thread guide member is formed by integrally forming a pair of left and right arm plates and a web.
- a guide surface for guiding the upper thread is formed at a rear end of the pair of arm plates. Notches (notches) corresponding to the hooks are formed. Also, in the upper thread cassette and the cassette mounting section, open the pair of thread tension discs of the thread tensioner when the upper thread cassette is installed.
- a mechanism for closing the pair of thread tension discs is provided.
- Japanese Patent Laying-Open No. 55-81693 proposes a cassette type threading device for a sewing machine.
- a cassette mounting section provided in a balance moving area of the arm section and a right side area thereof, and a cover for opening and closing the cassette mounting section are provided, and the upper thread cassette is attached to and detached from the cover.
- a thread tensioner and a thread take-off panel protrude from the cassette mounting section, and there is a balance moving space at the left end of the cassette mounting section.
- the upper thread cassette has a bobbin housing portion, a pair of legs, and the like, and forms a free span by extending the upper thread drawn out from the center of the bobbin between the pair of legs. Open the cover by turning it 90 degrees forward, set the upper thread cassette on this cover, and then close the cover. When closing the cover with the balance at the lowest position, the free span of the upper thread cassette is automatically hooked to the thread tensioner and thread take-up panel. Then, when the balance is raised, the upper thread is automatically hooked on the thread hooking section of the balance. When the cover is closed, the axis of the bobbin is oriented horizontally and in the front-rear direction.
- Japanese Patent Application Laid-Open No. 7-241173 discloses an upper thread cartridge detachably mounted on a cartridge mounting portion on the left side of the arm head of the sewing machine.
- the upper thread tensioner holds a spool (thread spool) in the case, and a slit is formed in the wall of the case so that the thread hook of the balance can enter.
- a cartridge reeper that supports the upper thread to be hooked is provided, and a force cartridge can be attached to the cartridge attachment section and threaded to the thread hook section of the balance regardless of the vertical position of the thread hook section of the balance. It is like that. Disclosure of the invention
- the upper thread cassette described in the above-mentioned U.S. Pat. No. 3,749,039 is mounted on a cassette mounting portion formed on a front portion substantially at the center in the left-right direction of the arm portion of the sewing machine.
- This needle thread cassette In the upper thread cassette, the thread spool is accommodated in the upper thread cassette in a horizontal position, the upper thread is fed out from the thread spool to the right by a predetermined length, and guided to the outside through the first to fifth thread guides.
- the width in the left-right direction becomes very large, and the upper thread cassette becomes large.
- the size of the cassette mounting section formed in the arm section of the sewing machine also increases, and the design restrictions of the arm section also increase.
- the upper thread cassette is mounted on the cassette mounting section while the main shaft is rotated manually and the thread hooking section of the balance is held at the lowest position (thread loosening position).
- the first and second resistance applying sections are opened, and when the balance is moved to the uppermost position (thread tightening position) at the start of sewing, the upper thread is unwound from the thread spool.
- the upper thread of the needle hole is pulled and the upper thread comes off the needle hole.
- a needle bar crank and a balance crank connected to the main shaft are arranged in a portion of the arm portion of the sewing machine near the arm head, and a balance movement space in which the balance reciprocates is provided near the left side thereof.
- the cranks have a large turning radius and take a large space.
- the cassette mounting portion is formed in the ceiling motion space and the space on the right side thereof so as not to interfere with the cranks. (The front side), and the width of the arm part in the front-rear direction becomes large, resulting in an increase in size.
- the present invention provides a sewing machine with an upper thread cassette and an upper thread cassette which are capable of reducing the size of the upper thread cassette and the cassette mounting portion and have excellent operability.
- the sewing machine with an upper thread cassette is, for example, a sewing machine with an upper thread cassette in which an upper thread cassette accommodating a thread spool is detachably mounted on an arm portion.
- the upper thread cassette is provided in the vicinity of the upper thread cassette, and the upper thread cassette is detachably mounted.
- a thread spool holding portion provided in the thread holder for holding a thread spool, wherein at least one of the axial direction of the thread spool held by the thread spool holding portion and the direction in which the thread is fed from the thread spool is balanced. It can be configured to be mounted on the cassette mounting section substantially parallel to the reciprocating direction of the thread hooking section.
- the sewing machine with the upper thread cassette configured as described above is configured such that the width in the left and right direction of the upper thread cassette, that is, in the direction intersecting the reciprocating movement direction of the thread hooking portion of the top thread is reduced, so that the upper thread cassette and the It is possible to reduce the size of the mounting portion.
- the sewing needle extends in the direction intersecting the reciprocating direction of the sewing needle, that is, in the direction intersecting the reciprocating direction of the thread hooking portion of the balance, rather than the space in which the sewing needle extends in the direction penetrating the workpiece. Space has a greater effect on the installation space of the sewing machine. Therefore, the upper thread cassette and the cassette mounting portion configured to have a small width in the direction intersecting the reciprocating movement direction of the thread hooking portion of the balance can greatly contribute to miniaturization of the machine.
- the cassette mounting part is provided in the vicinity of the balance movement area where the thread hooking part of the balance reciprocates. However, since the width of the upper thread cassette in the left direction is reduced to be small, the balance in the arm part is reduced.
- the force-set mounting portion can be formed at a position on the left side of the moving area, that is, at a position corresponding to the distal end of the arm.
- the cassette mounting portion is formed so that the upper thread cassette can be detached from above, and a groove-shaped guide for linearly guiding the upper thread cassette when attaching and detaching the upper thread cassette. It is also possible to form a guide.
- the upper thread cassette when removing the upper thread cassette, the upper thread cassette may be moved linearly upward, so that the upper thread cassette can be removed with a simple operation.
- the sewing machine with a needle thread cassette is, for example, a sewing machine with a needle thread cassette in which a needle thread cassette containing a thread spool is detachably mounted on an arm portion.
- a cassette mounting portion provided at a front portion of a distal end portion of the portion, the upper thread cassette being removably mounted; and an arm portion being provided at a portion closer to the base near the cassette mounting portion, and a balance.
- a thread moving section in which the thread hooking section reciprocates; and a thread tensioner protrudingly provided at a lower end portion of the cassette mounting section.
- the upper thread cassette includes a cassette case.
- a thread spool holding section for holding the thread spool with its axis vertical, a thread outlet for feeding the thread unreeled from the thread spool to the outside of the cassette case, and a thread unreeled from the thread spool.
- a yarn path leading to the yarn outlet, a slit for letting the thread hook of the balance enter the cassette case, and a cutout for letting the thread tensioner enter the cassette case are formed. Rukoto is also possible.
- the upper thread cassette since the upper thread cassette has a thread spool holding portion in the cassette case for holding the thread spool with its axis being vertical, the upper thread cassette has a left-right direction.
- the width of the upper thread cassette By reducing the width of the upper thread cassette, the size of the upper thread cassette and the cassette mounting portion can be reduced.
- a balance moving area for reciprocating the thread hook of the balance is provided at the right end of the cassette mounting section, that is, at the base side, so that a needle bar crank or a balance crank having a large turning radius inside the arm is provided.
- the arm is disposed on the right side of the distal end portion, that is, on the base side. Therefore, by providing the cassette mounting portion on the front portion of the tip portion of the arm portion, the cassette mounting portion has a needle bar crank and a balance crank disposed on the left side of the balance moving area, that is, inside the arm portion.
- the cassette mounting portion can be formed at a position closer to the distal end of the arm portion than the position where it is located, that is, at a portion that does not interfere with the arm portion.
- the cassette mounting portion and the upper thread cassette mounted thereon can be arranged so as not to protrude to the front side (front side) of the arm portion, that is, to the user's operation side. For this reason, even with the upper thread cassette, it is possible to configure the sewing machine without increasing the size.
- the upper thread can be easily threaded on the threading portion of the balance and the thread tension plate with the mounting operation of the upper thread cassette, so that operability can be improved.
- the thread tensioner has a thread tension plate and a thread tension panel, and interlocks with the mounting operation of mounting the upper thread cassette on the force-set mounting portion, and the upper thread of the upper thread cassette is adjusted by the thread of the balance. It is also possible to configure so that the thread is hooked on the hook portion, the thread tension plate and the thread tension panel.
- the upper thread of the upper thread cassette is thread-hung on the thread-hook portion of the balance, the thread-tension tray, and the thread-tension panel in conjunction with the mounting operation of mounting the upper thread cassette in the cassette-mounting section. Therefore, the thread hooking operation is greatly simplified, and the upper thread can be exchanged efficiently by replacing the upper thread cassette.
- the yarn path is configured such that the upper thread is fed upward from the thread spool of the thread spool holding section and then guided to the thread outlet of the cassette case.
- the thread path is configured so that the upper thread is drawn out from the thread spool of the thread spool holding section and then guided to the thread exit of the force set case.
- the upper thread can be guided along the side portion and the lower end portion. Since the first and second clamping parts are provided to provide a passing resistance to the upper thread, the upper thread does not unwind freely during handling of the upper thread cassette. However, it is possible to ensure that the upper thread is unwound from the thread spool when the thread is threaded on the threading portion of the balance or the thread tensioner.
- the second holding portion be set so as to provide a stronger passage resistance than the first holding portion, and that the second holding portion is opened after the upper thread cassette has been mounted. Is desirable.
- the first holding portion is mounted even when the upper thread cassette is not mounted on the cassette mounting portion. Even in this state, the upper thread is given a passage resistance to the upper thread so that the upper thread is in tension with the thread tensioner, so that it is possible to prevent the thread from being entangled or broken due to the upper thread. .
- the passage resistance given by the second holding portion may be configured to be larger than the passage resistance given by the first holding portion.
- the upper thread cassette when the upper thread cassette is mounted on the cassette mounting section, the upper thread can be reliably fed out from the thread spool, which is suitable for threading on the thread hooking section of the balance or the thread tensioner. is there.
- the cassette case of the upper thread cassette may be provided with color identification means for identifying the thread color of the thread spool accommodated therein.
- the thread color of the thread spool can be distinguished through the color identification means provided in the force set case. Can be easily known and operability can be improved.
- a concave portion that is recessed radially inward from the outer peripheral surface of the thread spool can be formed in a portion of the thread spool holding portion that holds the thread spool that contacts the lower end of the thread spool.
- a thread stopper portion on the outer surface of the cassette case of the upper thread cassette, which can temporarily fix a thread end side portion of the upper thread extending outside the upper thread cassette.
- the needle thread cassette according to the present invention is, for example, a needle thread cassette detachably mounted on an arm of a sewing machine.
- a thread spool holding section for holding the thread spool in the cassette case; and a thread path for guiding the thread unwound from the thread spool to the thread exit.
- the thread spool or the thread path is arranged so that at least one of the axial direction of the held thread spool and the direction in which the thread is fed from the thread spool is substantially parallel to the reciprocating direction of the thread hooking portion of the balance. It is possible to configure.
- the needle thread cassette thus configured can also be configured to have a small width in the left-right direction, that is, in the direction intersecting the reciprocating movement direction of the thread hooking portion of the balance. In addition, it can greatly contribute to downsizing of the sewing machine on which the upper thread cassette is mounted.
- the upper thread cassette may be configured so as to have the features related to the upper thread cassette among the features described above as examples of the sewing machine with the upper cassette according to the present invention.
- FIG. 1 is a front view of an electronically controlled sewing machine and an upper thread cassette according to an embodiment of the present invention.
- FIG. 2 is a plan view of the sewing machine with the upper thread cassette removed.
- FIG. 3 is a longitudinal sectional view showing the internal structure near the cassette mounting portion.
- FIG. 4 is a plan sectional view showing the internal structure and the like near the cassette mounting portion.
- FIG. 5 is a front view of a needle bar vertical movement mechanism, an automatic threading mechanism, and the like.
- FIG. 6 is a diagram corresponding to FIG. 5, showing a state immediately before threading.
- FIG. 7 is a diagram corresponding to FIG. 5, showing the relationship between the needle bar and the stopper.
- FIG. 8 is a diagram corresponding to FIG. 5, illustrating an appropriate height range of the needle bar.
- FIG. 9A is a perspective view showing a state immediately before threading by a threading hook
- FIG. 9B is a state immediately after threading
- FIG. 9C is a cross-sectional view of a main part in a state where the threading hook is raised after threading.
- FIG. 10 is a longitudinal sectional side view of the threading slider operating mechanism and the upper thread cassette.
- FIG. 11 is a longitudinal sectional side view of a main part showing a balance mechanism and a cassette mounting portion.
- FIG. 12 is a vertical sectional side view of a main part showing a moving range of a thread hooking portion of the balance.
- FIG. 13 is a diagram corresponding to FIG. 12, showing a range in which a yarn can be hooked on a yarn hooking portion.
- FIG. 14 is a front view of the upper thread cassette (just before mounting) and the cassette mounting portion.
- FIG. 15 is a front view of the upper thread cassette (in the middle of mounting) and the cassette mounting portion.
- Fig. 16 is a vertical side view of the upper thread cassette (in the middle of mounting) and the cassette mounting section.
- Fig. 17 is a front view of the upper thread cassette (just before the mounting is completed) and the arm head.
- FIG. 18 is a partially enlarged cross-sectional view of the second holding portion and the cam.
- Fig. 19 is a front view of the upper thread cassette (in the completed state) and the arm head.
- FIG. 20 is a view corresponding to FIG. 18 showing the second holding portion (open state) and the cam.
- FIG. 21 is a cross-sectional view of the upper thread cassette mounted on the cassette mounting section.
- FIG. 22 is a longitudinal side view of the upper thread cassette (in a state where the mounting is completed) and the cassette mounting portion.
- FIG. 23 is a front view of the upper thread cassette (opening / closing lid opened).
- FIG. 24 is a vertical sectional side view of the upper thread cassette.
- FIG. 25 is a plan view of the upper thread cassette.
- FIG. 26 is a bottom view of the upper thread cassette.
- FIG. 27 is a partially cutaway plan view of the upper thread cassette showing a downstream portion of the thread path.
- Fig. 28 is a longitudinal sectional side view of the cassette body and the thread spool (before mounting).
- Fig. 29 is a longitudinal side view of the cassette body and the thread spool (after mounting).
- FIG. 30 is a front view of the upper thread cassette (opening / closing lid opened).
- FIG. 31 is a bottom view of the upper thread cassette (opening / closing lid opened).
- FIG. 32 is a plan view of the cassette main body showing the first guide portion.
- FIG. 33 is a bottom view of the upper thread cassette showing the second and third guide portions and the second holding portion.
- FIG. 34 is a cross-sectional view of the cassette body showing the second and third guide portions and the second holding portion.
- FIG. 35 is a front view of the upper thread cassette for explaining the procedure of thread stopping.
- FIG. 36 is a side view of the upper thread cassette showing the thread stopper and the like.
- FIG. 37 is a front view of a presser foot lifting lever, a thread tensioner, an interlocking mechanism, and the like.
- FIG. 38 is a side view of the presser foot lifting lever, the thread tensioner, and the interlocking mechanism.
- FIG. 39 is a plan view of a presser foot lifting lever, a thread tensioner, an interlocking mechanism, and the like.
- FIG. 40 is a view corresponding to FIG. 37, showing a state when the upper thread cassette is mounted.
- FIG. 41 is a diagram corresponding to FIG. 38, showing a state when the upper thread cassette is mounted.
- FIG. 42 is a diagram corresponding to FIG. 39, showing a state in which the upper thread cassette is being mounted.
- FIG. 43 is a diagram corresponding to FIG. 39, showing a state in which the upper thread cassette has been mounted.
- FIG. 44 is a diagram corresponding to FIG. 37, showing a state in which the upper thread cassette has been mounted.
- FIG. 45 is a view corresponding to FIG. 38, showing a state in which the upper thread cassette has been mounted.
- This electronically controlled sewing machine is configured so that an upper thread cassette containing a thread spool can be mounted in the cassette device section of the arm head, and in conjunction with the mounting operation when the upper thread cassette 2 is mounted, the thread of the balance is adjusted. The thread is hooked to the hook and the thread tensioner, and the thread is passed through the needle hole of the needle.
- the electronically controlled sewing machine 1 includes a bed 4, a pillar 5 erected at the right end of the bed 4, and a left end from an upper end of the pillar 5.
- Arm part 6 I do.
- the arm section 6 is provided with a needle-up / down movement mechanism 7, a cassette mounting section 3, a balance mechanism 8, a thread tensioner 9, and an automatic threading mechanism 10.
- the cassette mounting section 3 is provided at the head of the arm section 6 (arm head).
- a main shaft 11 is rotatably supported in the arm portion 6 via a pair of bearings 12, and the main shaft 11 is rotationally driven by a driving force of a sewing machine motor (not shown).
- the needle bar vertical movement mechanism 7 will be described.
- a needle bar base frame 13 is disposed on the arm head of the arm portion 6 in an upright position, and the needle bar base frame 13 is a rear wall portion.
- a lower support part 14a and an upper support part 14b, which extend forward, are formed at the lower end and the upper end of the rear wall part 14, respectively.
- 4A is vertically movable.
- a shaft member 16a oriented in the left-right direction is fixed, and a pivot bracket 16 having an open front and a substantially U-shape in plan view is fixed to the shaft member 16a.
- the pivot bracket 16 is swingably supported by the sewing machine frame via a horizontal support shaft 17 extending in the front-rear direction, and the needle bar base frame 13 is pivoted about the support shaft 17. It can swing right and left (needle swing direction).
- a mechanism for swinging and driving the needles via the needle bar base frame 13 by the stepping motor is a general mechanism, and a description thereof will be omitted.
- the needle bar 18 is vertically movably supported by the upper support portion 14b and the lower support portion 14a, and a needle 19 is detachably attached to the lower end of the needle bar 18.
- a balance crank 20 of a balance mechanism 8 is provided at the left end portion of the main shaft 11, and a crank pin 2 is attached to the balance crank 20.
- the needle bar crank 22 is rotatably connected via 1.
- a needle bar holder 23 is fixed to the middle portion of the needle bar 18, and a needle bar crank 22 is connected to the needle bar holder 23.
- the arm 6 has a needle 19
- a balance mechanism 8 provided with a balance 25 that takes up the upper thread 24 in a timed manner is provided.
- a thread hook 26 that can be hooked from above is formed at the tip of the balance 25.
- the thread hook 26 of the balance 25 is vertically extended over the entire right end portion of the cassette mounting section 3.
- a reciprocating balance movement area 27 is provided.
- a thread tensioner 9 for providing a passing resistance to the upper thread is provided so as to protrude below the cassette mounting section 3.
- the thread tensioner 9 can be opened and closed by a presser foot raising lever 29 that raises and lowers the presser foot 28. As described later, the thread tensioner 9 is opened and closed even when the upper thread cassette 2 is mounted. .
- a substantially vertical vertical axis is provided in the pillar section 5, and the vertical axis is interlocked with the main shaft 11 via a gear mechanism. It is transmitted to the thread catching hook. Similar to a general electronic control sewing machine, the work cloth 30 is sewn by the cooperation of the needle 19, the thread catching hook, and the cloth feed mechanism driven by the stepping motor.
- FIGS. 5 to 10, FIG. 14, FIG. 15, FIG. This will be described with reference to FIG. 7 and FIG.
- the upper support section 14b and the lower support section 14a of the needle bar base frame 13 support the threading shaft 31 and the slider guide shaft 32 located on the left side of the needle bar 18 so that they can move up and down. Have been.
- the upper end of the threading shaft 31 passes through the gap between the bracket 16 and the shaft member 16a, and the substantially middle portion of the threading shaft 31 has a sliding pin 3 projecting in the horizontal direction. 3 is fixed.
- a hook holding member 34 made of a synthetic resin is fixed to the lower end of the threading shaft 31, and the threading shaft 31 corresponding to the upper side and the lower side of the hook holding member 34 is substantially U-shaped in a side view.
- the upper and lower support portions of the first thread guide member 35 are rotatably supported.
- a thread guide 36a that engages and guides the upper thread 24 is cut into a vertical connecting wall 36 that connects the upper support section and the lower support section. It is formed in a chipped shape.
- a hook mechanism 37 is fixed to the hook holding member 34.
- the hook mechanism 37 includes a threading hook 37a and a threading hook 37. It is composed of two guide members 37 b located on both sides of a, a thread holding wire 37 c that horizontally passes through the threading hook 37 a and the guide member 37 b. Threader hook 3 7a tip A hook portion is formed in the hole, and this hook portion passes through the needle hole 19 a during threading, and the needle 19 is located just before the needle hole 19 a while being guided by the guide member 37 b. The upper thread 24 is hooked.
- a second yarn guide member 38 is physically fixed to the hook holding member 34, and a portion near the distal end of the second yarn guide member 38 is bent downward, and the bent portion is formed as a yarn guide portion. Functions as 38a.
- the thread guide 38 a is located on a side substantially opposite to the hook mechanism 37 with respect to the threading shaft 31 and is separated by a predetermined distance. That is, the second thread guide member 38 and the hook mechanism 37 are provided integrally with the threading shaft 31 while maintaining a fixed positional relationship.
- the threading shaft 31 and the slider are located on the back side of the needle bar frame 13.
- a threading slider 40 made of synthetic resin is externally fitted to the upper end of the guide shaft 32 so as to be vertically movable. That is, the threading slider 40 has an upper pivot portion 41 and a lower pivot portion 42, an outer peripheral wall portion 43, and a threading slider claw 44.
- the upper pivot portion 41 and the lower pivot portion 42 are provided across the threading shaft 31 and the slider-guide shaft 32, and the outer peripheral wall portion 43 includes the upper pivot portion 41 and the lower pivot portion 4.
- the threading shaft 31 is formed so as to cover substantially half of the outer periphery of the upper end of the threading shaft 31.
- a spiral threading slider cam portion 43a is formed on the outer peripheral wall portion 43.
- a threading slider claw 44 is connected to the left ends of the upper pivot portion 41 and the lower pivot portion 42, and a claw portion 44a is formed at a substantially middle portion of the left end.
- a sliding pin 33 of a predetermined length is fixed in a position corresponding to the position just above the lower pivot support portion 42 in the substantially middle portion of the threading shaft 31.
- the rear end is engaged with the threader slider cam 43a.
- a spring receiving pin 45 is fixedly penetrated below the sliding pin 33 of the threading shaft 31 by a fixed length, and the lower pivotal support portion 42 of the threading shaft 31 and the panel receiving pin are fixed. Between them, a compression coil panel 46 is provided. Threading is performed between the lower pivot support part 42 of the slider guide shaft 32 and the lower support part 14a of the needle bar base frame 13.
- a compression coil panel 47 for urging the slider 40 upward is provided.
- the offset member 48 will now be described. As shown in FIGS. 4 to 8, the threading shaft 31 and the slider guide shaft 32 are provided on the back side of the threading slider 40 and the needle bar.
- the offset member 48 is vertically movably mounted in a range of about 3-4 length between the upper support portion 14b and the lower support portion 14a of the frame 13.
- the offset member 48 includes an upper support 49, a lower support 50, and a vertical connecting wall 51 connecting the upper support 49 and the lower support 50. I have.
- the upper support 49 is passed through the threading shaft 31 and the slider-guide shaft 32, and the lower support 50 is passed through only the threader shaft 31.
- a threading positioning member 52 as an engagement piece is fixed, and the right end portion of the upper support portion 49 of the offset member 48 is positioned at the threading position. It is configured to be able to contact the member 52 from above. With the right end of the upper support portion 49 abutting the threading positioning member 52, the threading hook is aligned with the height of the needle hole 19a of the needle 19 ( See Figure 6).
- An offset member cam portion 53 is formed at the lower left end of the connecting wall 51. The offset member cam portion 53 projects to the left as it goes downward, and an inclined portion 53a and an inclined portion 53a.
- a flat portion 53b extending vertically downward from the lower end of the threading slider claw 44 and projecting slightly to the left from the claw portion 44a of the threading slider claw 44.
- the threading shaft 31 is rotated clockwise in the plan view by a predetermined angle and threaded (Figs. 9A to 9C.
- the hook mechanism 37 is set to ⁇ 19.
- the threading hook is turned in the approaching direction, and the threading hook passes through the needle hole 19a, and at the same time, the second thread guide member 38 is synchronized with the hook mechanism 37. And is rotated clockwise (in the direction away from hand 19).
- a link mechanism 54 for rotating the first thread guide member 35 rotatably supported by the lower end of the threading shaft 31 in a direction away from the second thread guide member 38 is also provided. ing.
- the second thread guide member 35 is in a forward facing posture, and the thread guide portion 3 of the second thread guide member 38 8a is located immediately inside the thread guide 36a of the connecting wall 36.
- the hook mechanism 37 and the second thread guide member 38 integrally rotate clockwise in plan view, and the link mechanism 5 rotates.
- the first thread guide member 35 rotates counterclockwise via the pin 4. That is, the first thread guide member 35 moves away from the second thread guide member 38 and moves closer to the hook mechanism 37.
- a support plate 55 for holding the upper thread 24 with a small pressure and a thread guide plate 56 are also provided.
- the upper thread cassette 2 as a movable operation body is a cassette case with a small width in the left-right direction and a shape close to a vertically long rectangular parallelepiped. 5, a thread spool storage section 5 7 a for storing the thread spool 6 2, a thread spool holding section 58 for holding the thread spool 62 in the thread spool storage section 57 a, and a thread spool holding section 5
- the thread spool 62 held by 8 the thread path 59 for guiding the upper thread 24 unreeled from the thread spool 62 to the thread outlet 6 8, and the thread hooking section 2 6 of the balance 25 of the balance mechanism 8.
- a balance moving area 57 b which is an area for reciprocating up and down, a thread tensioner accommodation section 57 c into which the thread tensioner 9 enters, and the like.
- a thread outlet 68 is formed near the right end of the bottom wall of the cassette case 57.
- the cassette case 57 has a cassette body 60 made of a synthetic resin and an opening / closing lid 61, and the opening / closing lid 61 is connected to the right end of the cassette body 60 so as to be openable and closable.
- the opening / closing lid 61 may be configured to be opened and closed by sliding up and down with respect to the cassette body 60.
- the opening / closing lid 61 is made of a transparent material and can identify the thread color of the thread spool 6 2 in the cassette case 57. Has become.
- an opening hole for viewing the thread spool 6 2 may be formed in the opening / closing lid 6 1, or the upper thread 2 4 of the thread spool 6 2 may be formed in a part of the surface of the cassette case 57. You may attach a sticker of the same color as the color.
- the ceiling moving area 57b is formed in the rightmost 1/3 width portion in the cassette case 57
- the thread spool storage section 57a is formed at the upper portion of about 2Z3 of the approximately 2-3 width section on the left side of the cassette case 57
- the thread tensioner storage section 57c is formed of the cassette case 5.
- 7 is formed at the lower one-third of the approximately two-thirds width portion on the left side, and at the left end in the cassette main body 60, a region for the yarn path 59 is formed by partition walls 66, 99. It is divided by.
- a thread hooking part 26 of the ceiling 25 and a vertically elongated slit 101 for inserting a thread guide member 106A described later are formed on the rear wall of the cassette main body 60 in the ceiling moving area 5 7b.
- a notch 96 for introducing the thread tensioner 9 into the thread tensioner housing 57c is formed on the rear wall and the bottom wall of the cassette main body 60 in the thread tensioner housing 57c.
- a vertical partition wall 67, 100 is formed between the balance moving area 5 7b and the thread spool storage section 5 7a and the thread tensioner storage section 5 7c.
- a horizontal support wall 63 protruding toward the opening / closing lid 61 is formed between the thread tensioner accommodating sections 57a.
- the thread spool holding section 58 is configured to hold the thread spool 62 vertically, the width of the cassette case 57 in the left-right direction is reduced, so that the cassette case 57 and the cassette The mounting section 3 can be reduced in size.
- the thread spool holding section 58 includes a support wall 63 (corresponding to the wall of the storage section) and a thread spool holding shaft 64.
- a thread spool holding shaft 64 is provided on the support wall 63 so as to protrude upward.
- This thread spool holding shaft 64 is formed in three in the circumferential direction, is elastically deformable in the radially expanding direction, and can hold thread spools 62 having shaft holes of various sizes.
- the thread spool 6 2 is pushed from below to remove it from the thread spool holding shaft 64.
- a recess 65 is formed.
- the recess 65 is formed in a notch shape depressed radially inward from the outer peripheral surface of the thread spool 62.
- the thread path 59 is provided at a feeding point 7 9 from the thread spool 62 held in the thread spool holder 58.
- the upper thread guide path guides the upper thread 24 drawn out from the thread spool 62 to the thread outlet 68 of the cassette case 57 with the base point as a base point.
- the yarn path 59 has a first guide portion 69, a first holding portion 70, a second guide portion 71, a third guide portion 72, and a second holding portion 73.
- the cassette case 57 is guided to the yarn outlet 68 at the lower end near the right end of the cassette case 57 via the part 71, the third guide part 72, and the second holding part 73 in this order.
- the first guide portion 69 and the first holding portion 70 are provided on the upstream side of the yarn path 59. ing.
- the first guide section 69 is provided on the top of the cassette case 57.
- the first guide portion 69 includes a pin holding member 74 formed on the cassette main body 60 and a guide pin 75 in a plan view L-shaped projecting forward from the pin support member 74 and bent rightward. And a rib 76 formed on the opening / closing lid 61 for preventing thread from coming off.
- the guide pin 75 has a thread guide portion having a predetermined length in the front-rear direction, and a rectangular cut is formed on the top wall of the cassette body 60 and the opening / closing lid 61 so that the thread guide portion faces the outside. Notch-shaped openings 7 7, 78 are formed to face each other, so that the upper thread supplied from an external thread spool can be introduced into the first guide portion 69 from the openings 7 7, 78. .
- the upper thread 24 pulled out from the thread spool 62 is movably hung in the front-rear direction on the thread guide of the guide pin 75, so that the distance between the thread spool 62 and the first guide 69 is too small. Even if it is not long, the upper thread 24 can be pulled out smoothly from the thread spool 62.
- the first holding portion 70 will be described. As shown in FIGS. 23 and 24, the first holding portion 70 gives a passing resistance to the upper yarn 24 in the upstream portion of the yarn path 59. In addition, this is for preventing the upper thread from becoming entangled with the thread by the thread, etc. Is provided near the upper end of the left end in the cassette case 57.
- the first holding portion 70 is a yarn preventing mechanism 8 2 having a presser plate 80 having a thread guide portion 80 a and a leaf spring 81 pressing the upper thread 24 on the presser plate 80. Consists of
- the holding plate 80 and the leaf spring 81 are fixed to a partition wall 66 of the cassette body 60.
- the thread guide portion 80a of the presser plate 80 is a notch with a narrow width that is open upward, and projects forward from the cassette main body 60.
- the plate panel 81 comes into contact with the left side surface of the thread guide 80a, sandwiches the upper thread 24 between the thread guide 80a and the upper side by imparting passage resistance to the upper thread 24.
- the yarn 24 is prevented from becoming entangled with the yarn.
- the second and third guide portions 71, 72 are The second holding portion 73 is provided at a downstream portion of the yarn path 59.
- the second guide part 71 is located at the lower end of the left end in the cassette case 57
- the third guide part 72 is the thread tensioner accommodating part 57c and the balance moving area 57 in the cassette case 57.
- the second holding portion 73 is located at the lower end near the right end in the cassette case 57 in the lower end portion of the boundary portion b.
- the upper thread 24 extends obliquely to the first guide portion 69, the first holding portion 70, and extends vertically from the first holding portion 70 to the second guide portion 71, and the second guide portion 7 It extends horizontally from 1 to the third guide portion 72, and extends from the third guide portion 72 to the second holding portion 73 almost horizontally or in an inclined manner.
- the second guide portion 71 includes a pin support portion 83 provided on a rear wall portion of the cassette body 60, a guide pin 84 fixed to the pin support portion 83 and protruding forward, and an opening / closing lid 61. It is formed of ribs 85 and the like for preventing thread pulling formed at the bottom.
- the pin support portion 83 and the rib 85 appropriately set the position of the upper thread 24 in the front-rear direction.
- the third guide portion 72 includes a pin support portion 86 provided on the rear wall portion of the cassette body 60, a guide pin 87 fixed to the pin support portion 86 and protruding forward, and an open / close ⁇ 6 1 And a rib 88 for preventing thread coming off.
- the pin support portion 86 and the rib 88 set the position of the upper thread 24 in the front-rear direction appropriately.
- the second holding portion 73 gives the upper yarn 24 a passage resistance near the yarn outlet 68. Even when the upper thread cassette 2 is not mounted in the cassette mounting section 3 or in a state where the mounting is not completed, the second holding section 73 gives the upper thread 24 a stronger passage resistance than the first holding section 70. It is configured as follows.
- the second guide ⁇ 15 7 1 and the second holding section 7 3 Since the upper thread 24 maintains a tension state between the thread and the thread tensioner 9, the thread threader 26 can be securely threaded to the thread hooking section 26 of the balance 25 and the upper thread 2 necessary for the thread hooking. 4 can be fed out from the thread spool 6 2 reliably.
- the third guide portion 72 and the second holding portion 73 function as an upper thread operating portion that operates the upper thread 24 when the thread is hooked on the thread hooking section 26 of the balance 25.
- the second holding portion 73 includes a movable movable shaft member 94 whose axis is oriented horizontally in the left-right direction, a guide pin 89 for guiding the upper thread 24, a thread holding plate 90, and a panel member 91. It is composed of The movable shaft member 94 is composed of a small-diameter shaft portion and a large-diameter operation button 94 a that can freely move in and out of the right side surface of the lower end portion of the cassette body 60.
- the movable shaft member 94 is mounted on the vertical walls 92, 93 near the right end and near the lower end of the cassette body 60 so as to be horizontally movable in the left-right direction, and is elastically moved rightward by the plate panel member 91. It is being rushed.
- a rear end of the guide pin 89 is fixed so as to penetrate in the front-rear direction.
- a guide pin 89 is provided between the guide pin 89 and the left side surface of the vertical wall portion 93.
- a thread holding plate 90 for holding the needle thread 24 is fixed between the guide pin 89 and the thread holding plate 90 urged to the right together with the movable shaft member 94. By pinching 24, pass resistance is imparted to upper thread 24.
- the cassette mounting portion 3 is required to be in the open state in order to open the second holding portion 73.
- the second holding section 73 When the upper thread cassette 2 is completely mounted in the cassette mounting section 3, the second holding section 73 is in an open state, but the thread tensioner that enters the thread tensioner accommodating section 57c in the upper thread cassette 57. Since the upper thread 24 is pinched by the 9 to provide passage resistance, the upper thread 24 between the first pinching portion 70 and the thread tensioner 9 maintains a tensioned state. Therefore, no tangling of the upper yarn 24 on the upstream side of the yarn tensioner 9 of the yarn path 59 by the yarn is generated.
- the upper thread 24 is clamped by the first clamping portion 70, and is clamped between the thread tension discs described later of the thread tensioner 9 to provide passage resistance, and the upper thread is tensioned between them. If the upper thread is clamped at the entrance of the thread tension plate of the thread tensioner 9 and resistance is applied, the thread is strengthened in this direction in a direction in which the original structure of the thread is further tightened. In the upper thread portion between the first holding portion 70 and the thread tension plate of the thread tensioner 9, a thread that is stronger than the original structure of the thread is always generated.
- the upper thread 24 is clamped between the first clamping section 70 and the thread tension plate of the thread tensioner 9 and the upper thread portion therebetween is kept in a tensioned state. No entanglement phenomenon occurs.
- the upper thread portion that has passed through the thread tension plate of the thread tensioner 9 returns the thread reinforced as described above.
- the rear wall of the rear wall of the cassette body 60 which faces the thread spool storage portion 57 a is used for housing the thread spool 62. Therefore, a portion corresponding to the lower end of the cylindrical portion is engaged with a receiving portion 109 of the cassette mounting portion 3 described above from above, and the upper thread cassette is swelled.
- An engaging portion 112 for determining the height position of the box 2 is formed.
- guides for the cassette Protrusive engaging portions 113, 114 that can be engaged with the grooves 110, 111, respectively, are formed.
- the front of the opening / closing lid 61 is not flush with the front of the arm section 6, and the upper wall of the cassette body 60 and the opening / closing lid 6 1 is the arm section 6. It is formed so as to be flush with the top surface (see Figs. 19 and 22).
- the thread stopper 104 of the upper thread cassette 2 will be described.
- Fig. 25, Fig. 30, Fig. 35, and Fig. 36 of the outer surface of the cassette case 57, the chamfered portion 105 of the pivot of the opening / closing lid 61, With the lid 61 closed, the thread end side portion of the upper thread 24 extending to the outside of the upper thread cassette 2 is temporarily fixed to the cassette main body 60 that is in contact with the chamfered portion 105.
- the chamfered portion 105 and a part of the cassette body 60 constitute a thread stopper 104.
- a leaf spring piece urged toward the case is provided on the outer surface of the cassette case 57 as the thread stopper 104 A, as shown in FIGS. You may comprise so that the thread end part of the upper thread 24 may be temporarily fixed to a piece.
- the force set mounting part 3 as the operating body mounting part is located on the front side of the arm part 6 of the sewing machine (arm head).
- the portion is formed in a vertically elongated rectangular shape when viewed from the front, and in an elongated rectangular cross-sectional shape almost horizontally on the left and right.
- the upper thread cassette 2 can be mounted from above in the vertical direction, or The upper and lower ends of the cassette mounting portion 3 are formed open so that the upper thread force set 2 can be removed upward.
- a thread tensioner 9 is provided near the lower end of the cassette mounting portion 3 slightly to the left of the center thereof so as to project forward with its axis centered in the front-rear direction.
- the lower part of the rear wall of the cassette mounting part 3 is provided with a stepped receiving part 109 for receiving the engaging part 112 of the upper thread cassette 2 and positioning the upper thread cassette 57 at a predetermined height position.
- Cassette In the vicinity of the rear end of the left side wall and the right side wall of the attachment portion 3, guide grooves 1 1 0, 1 1 for freely introducing and guiding the engaging portions 1 13, 3 of the upper thread cassette 2, respectively. 1 is formed respectively.
- the upper thread releasing cam 95 provided in the cassette mounting section 3 for switching the second holding section 73 to the open state will be described.
- the above-mentioned vertical groove portion 95a and a needle thread release cam 95 located at the end side thereof are formed at the rear portion of the right side wall of the cassette mounting portion 3. I have.
- the vertical groove portion 95a is continuous from the upper end to the vicinity of the lower end of the cassette mounting portion 3, and the upper thread release cam 95 is continuous with the lower end of the vertical groove portion 95a via the taper portion 95b. It protrudes to the left from the groove 95a.
- the operation button 9 4 protruding from the right side surface of the cassette main body 60 until the upper thread cassette 2 is mounted on the cassette mounting portion 3 immediately before the mounting is completed. Moves along the groove 95a. At this time, the second holding portion 73 gives the upper thread 24 a passage resistance.
- the operation button 94 touches the upper thread release cam 95 and is pushed to the left. State. At this time, the second holding portion 73 is in the open state, and the passage resistance is not given to the upper thread 24.
- the balance mechanism 8 interlocks the upper thread 24 with the thread hooking section 26 in conjunction with the operation of attaching the upper thread cassette 2 to the cassette mounting section 3. It has a unique structure that allows it to be hung.
- the balance mechanism 8 is exemplified by a cam-type balance mechanism, but the following configuration can be similarly applied to a link-type balance mechanism.
- the balance mechanism 8 extends in a curved shape along the entire length of the movement locus of the thread hooking part 26 of the balance 25 driven by the main shaft driving force via the balance crank 20. It has a thread guide member 106 A that forms a thread guide gap 108, and the upper thread 24 is introduced from above into the thread guide gap 108, so that the thread can be hooked on the thread hook 26. It is.
- the thread guide member 106A extends in a curved shape along the entire length of the movement trajectory of the tip end of the balance 25 (the thread hooking portion 26), and a pair of yarns separated in the front and back with a thread guide gap 108 therebetween.
- the guide consists of 106.
- the pair of thread guides 106 is composed of a single linear member (metal or synthetic 3 ⁇ 4 [fat) at the lower end, and the upper end of the rear thread guide 106 is rearward. It extends horizontally and is rotatably supported by the top frame of the sewing machine frame via a pivot bracket 107, and the lower end of the thread guide member 106A is a free end.
- the upper end of the front thread guide 106 is bent forward to form an inlet 108 a for introducing the upper thread 24 from above into the thread guide gap 108.
- the thread guide 106 and the thread hook 26 of the balance 25 project from the opening in the rear wall of the cassette mounting section 3 into the cassette mounting section 3.
- a U-shaped guide portion 25a in a plan view formed by folding back a predetermined length portion on the distal end side is provided on the distal end side portion of the balance 25.
- a pair of thread guides 106 pass through the U-shaped guide part 25a so as to be relatively movable, and when the U-shaped guide part 25a reciprocates up and down, a pair of thread guides 1 1 Since 06 is guided by the U-shaped guide portion 25a while rotating at the upper end portion, the sliding resistance against the U-shaped guide portion 25a is small, and almost no noise is generated.
- a thread hook portion for hanging the upper thread 24 from above is provided in the portion corresponding to the space between the pair of thread guides 106 of the U-shaped guide portion 25a (that is, the thread guide gap 108).
- a thread hook portion for hanging the upper thread 24 from above is provided in the portion corresponding to the space between the pair of thread guides 106 of the U-shaped guide portion 25a (that is, the thread guide gap 108).
- the thread guide member 106A may be formed of a metal or synthetic resin plate-like member instead of a linear member.
- this transmission mechanism 115 transmits the operation of the upper thread cassette 2 to the automatic threading mechanism 10 via the threading slider operating mechanism 116, An engagement mechanism 117 is provided which is released by engagement with the through positioning member 52.
- the threading slider operating mechanism 1 16 is provided with a threading slider operating member shaft 1 18 (hereinafter referred to as shaft 1).
- lever 1 20 threading slider operating member lever 1 2 0 (hereinafter referred to as lever 1 20), threading slider operating claw 1 2 1 (hereinafter operating claw) 1 2 1), threading slider operating claw panel 1 2 2 (torsion panel 1 2 2), threading slider operating member stopper 1 2 3 (hereinafter referred to as stopper 1 2 3), etc. ing.
- a shaft 118 is vertically supported in the arm 6 near the cassette mounting portion 3, and the shaft 118 is viewed from the side.
- a substantially U-shaped threading slider operating member 1 19 is vertically movably supported.
- a lever 120 having a U-shape in a plan view is fixed to the threading slider operating member 119, and a plate-shaped lever is attached to a substantially middle step portion at the right end of the front plate portion of the lever 120.
- a part 120a is provided so as to protrude forward.
- the tip of the part 120a of the taper is formed so as to protrude from the inside of the arm part 6 through the receiving part 109 of the cassette mounting part 3 for a predetermined length.
- a slit 124 is formed from a substantially middle portion to a lower end of the receiving portion 109, and the lever portion 120a is configured to be able to move up and down along the slit 124.
- a bracket 125 is fixed to the top plate near the upper end of the shaft 118, and a tension coil spring 126 is interposed between the stopper 123 and the lever 120 on the back side of the shaft 118. And pushes the lever — 1 2 0 (that is, the lever portion 1 2 0 a) upward.
- the frictional resistance acting between the thread holding button 94 and the cam 95 should be larger than the urging force of the tension coil panel 126. It is configured.
- an operating claw 121 is pivotally supported on the upper right end of the lever 120.
- the operation claw 1 2 1 has a lock position at which a lower end thereof can be engaged with the claw portion 4 4 a of the threading slider claw 44, and a release position where the engagement state with the claw portion 4 4 a is released. It is configured to be able to swing over.
- the pivot shaft 1 27 is provided with a threading slider operating member 1 19 and a torsion panel 1 2 2 force acting between the operating claw 1 2 1 and the operating claw 1 2 1 on the lock position side. It is urged.
- the lower end of the operating claw 1 2 1 is configured so as to be able to contact and separate from the offset member cam portion 53, and when the threading slider operating member 1 19 is pushed down in the locked position, the operating claw 1 2 The lower end of 1 abuts against the inclined portion 5 3 a of the offset member cam portion 53 and moves to the left along the funnel portion 5 3 a, and the right end of the upper support portion 49 of the offset member 48 However, in a state in which it comes into contact with the threading positioning member 52 from above, it is configured to switch to the release position and release the engagement mechanism 117 as shown in FIG. When the operating claw 12 1 is switched to the release position, the threading slider 40 and the offset member 48 are returned upward from the lower limit position shown in FIG. 6 by the urging force of the compression coil panels 46 and 47. Has become.
- a stopper 1 shaft 128 is supported on the left end of the bracket 125 in the front-rear direction.
- An approximately L-shaped stopper 1 2 3 is pivotally supported in side view.
- the stopper 1 2 3 is composed of a vertical portion 1 2 9 extending substantially vertically downward from the stopper 1 shaft 1 2 8 and a stopper 1 shaft 1
- a tension coil spring 126 At the lower end portion of the vertical portion 129, an inclined portion 1331 is formed which is inclined leftward as it goes downward.
- a part 1 32 (corresponding to a step) is formed at the left end portion where the inclined portion 13 1 and the vertical portion 12 9 intersect, and this stopper is provided at the lower end of the threading slider operating member 1 19.
- a stopper engaging portion 1 19 a that can be engaged from above is formed on the portion 32.
- the threading slider operating member 1 19 is moved by the upper thread cassette 2.
- the stopper engaging portion 1 19a contacts the inclined portion 1 3 1 of the stopper 1 2 3 and then moves to the left end of the inclined portion 1 3 1.
- the guide wall 119b of the threading slider operating member 119 slides.
- the stopper 1 2 3 swings counterclockwise against the urging force of the tension coil spring 1 26. 19 can be moved from the upper limit position to the lower limit position shown in FIG. If the upper end of the needle bar 18 is out of the proper range, the stopper 123 will swing further clockwise from the position of 500B (see Fig. 8). Even if the threading slider operating member 1 19 is moved downward in this state, the stopper engaging portion 1 19 a engages with the stopper portion 13 2. 9 cannot be moved, and threading is prohibited.
- the guide wall 119b of the threading slider operating member 1 19 slides on the inclined portion 1 3 1 of the stopper 1 2 3 so that the horizontal portion 1 3 0 of the stopper 1 2 3
- the height of the needle bar 18 is regulated, and a minute gap S is formed between the upper end of the needle bar 18 at the uppermost position and the horizontal portion 130, and the stroke between the needle bar 18 and the stopper 1 23 is formed. Prevents the generation of sound.
- the interlocking mechanism 1 3 4 opens the pair of thread tension discs 1 3 3 by the upper thread cassette 2 during the loading operation of the upper thread cassette 2 to the cassette loading section 3 and, when the loading operation is completed, the thread tension tray. This is a mechanism to close 1 3 3.
- the thread tensioner 9 controls the cassette when the upper thread cassette 2 is mounted on the cassette mounting section 3.
- the thread enters the thread tension storage section 57 c in the case 57.
- the thread tension controller 9 includes a pair of thread tension plates 1 3 3, a shaft member that supports these thread tension plates 1 3 3, an operation plate 1 3 9 behind the rear thread tension plate 1 3 3, and A panel member that elastically urges the rear thread tension plate 1 3 3 and the operation plate 1 3 9 forward, and a thread tension panel 1 that elastically supports the upper thread 24 near the thread tension plate 13 3 It has a general structure with 35, a thread tension dial 1 36 for adjusting the panel force, and the like.
- the interlocking mechanism 1 34 includes a cam portion 13 7 formed on the rear surface of the upper thread cassette 57 and a vertical lever-like cam follower 1. 3 and a rotating arm 15 1.
- a cam portion 137 such as a ridge projecting slightly backward is formed in the upper half portion of the left end portion of the rear wall of the cassette body 60.
- a bracket 144 is formed on an upper portion of the frame 140 supporting the thread tensioner 9.
- the bracket 144 is provided with a horizontal pin whose middle part in the longitudinal direction of the cam follower member 134 is oriented in the horizontal direction. Is rotatably supported by The cam follower member 138 is urged clockwise in FIG. 41 by a torsion panel 144.
- a roller 142 is pivotally attached to the upper end of the cam follower 138 so as to freely rotate.
- a slit 14 3 for projecting the cam section 13 7 of the upper thread cassette 57 backward.
- a mouthpiece 142 can be brought into contact with the cam portion 133 projecting rearward.
- the right end of the rotating arm 15 1 is connected to the lower plate of the base plate 15 5 with a vertical pin so that it can rotate horizontally, and the lower end of the cam driven member 1 38 rotates. Abutment is on the rear surface of the left end portion of the arm 151, and the protrusion 15a of the rotating arm 151 is able to abut on the operation plate 1339.
- the thread tension tray 13 3 is opened while the upper thread cassette 57 is being mounted, and a pair of thread tension trays 1 3 3
- the thread tension panel 13 is closed when the upper thread cassette 57 is mounted. That is, when the upper thread cassette 57 is mounted on the cassette mounting section 3 and the upper thread cassette 2 reaches a predetermined distance above the thread tensioner 9, the roller 1 42 rides on the cam section 1 37.
- the cam follower 1338 rotates counterclockwise in FIG. 41, and the thread tension disc 1333 is opened by the rotating arm 151 and the operating plate 1339.
- the upper end of the presser lifting lever 29 is rotatably supported by the machine frame.
- the upper end of the engagement arm 152 engaged with the cam portion 29a of the 29 is also pivotably supported by the machine frame.
- the engaging arm 15 2 is connected to the rear end of the horizontal triangular plate 15 4 by a connecting rod 15 3.
- the triangular plate 154 is disposed below the lower plate of the base plate 155 on the machine frame side, and the left end of the front end of the triangular plate 154 is vertically attached to the lower plate of the base plate 155.
- the right end of the front end of the triangular plate 154 is in contact with the operating plate 139 by a pin.
- the upper thread cassette 2 is opened and closed. 2 is attached to thread spool holder 58.
- the upper thread 24 pulled out from the thread spool 62 is hooked on the first guide section 69, and is hooked on the thread guide section 80a of the first holding section 70, and pressed by the panel panel 81.
- the upper thread 24 is sequentially hung on the second and third guide portions 7 1 and 7 2, and is held between the guide pin 89 of the second holding portion 73 and the thread holding plate 90. . .
- the operation button 94 a is pressed with a finger against the urging force of the panel panel member 91, and the guide pin 89 is separated from the thread holding plate 90, and then the upper thread 24 is moved outside. After pulling out the predetermined length, the pressing of the operation button 94 a is released, the upper thread 24 is held by the second holding portion 73, and the opening and closing ⁇ 61 is closed.
- the first guide 69, the first holding 70, the second and third guides 71, 72, and the second holding 73 A threading order indication mark may be attached near each of the above, and threading may be performed according to the order of the marks.
- the needle bar 18 is normally stopped at the needle upper position, and the thread hook 26 of the balance 25 is located at the substantially middle position on the thread tightening side shown in FIG. Has stopped.
- the upper thread cassette 2 is mounted on the cassette mounting section 3 from above.
- cassette Since the mounting section 3 is open both upward and downward, the upper thread 24 pulled out from the thread outlet 68 of the upper thread cassette 2 by about 20 cm extends vertically below the cassette mounting section 3. It hangs down.
- the thread hook 26 of the balance 25 rises from the substantially middle position on the thread tightening side and then descends.
- the upper thread cassette 2 is moved upward while the engaging portion 112 of the upper thread cassette 2 is in contact with the lever portion 120a. Stop the thread cassette 2 temporarily.
- the upper thread 24 between the third guide portion 72 and the second holding portion 73 is introduced into the thread guide gap 108 and the thread hook of the balance 25 is set. It is in a state of hanging on part 26.
- the second holding portion 73 provides a stronger passage resistance than the first holding portion 70, the required amount of the upper thread 24 from the thread spool 6 2 is maintained without the upper thread 24 being pulled back into the cassette 2. It is paid out.
- a pair of joint marks 146 for confirming the movement stop position are provided on the upper thread cassette 2 and the sewing machine 1.
- the upper thread 24 hanging downward from the thread outlet 68 of the upper thread cassette 2 is hung on the needle bar thread hook 1 4 7 and the thread guide 3 6 a in order, and the support plate 5 5 and the thread guide plate 5 6 After that, the thread end is cut with a thread cutting blade (not shown).
- a thread cutting blade not shown.
- FIG. 17 when the upper thread cassette 2 is pressed downward against the urging force of the tension coil panel 126, the operation of the upper thread cassette 2 causes the transmission mechanism 115 to move. The threading is transmitted to the automatic threading mechanism 10 through the needle thread 19 and the upper thread 24 is passed through the needle hole 19a.
- the thread tension disc 13 of the thread tensioner 9 is opened by the interlocking mechanism 13 4, and the upper thread 24 between the second and third guide portions 7 1 and 7 2 is threaded.
- the thread is threaded between the tension plates 1 3 3 and the thread tension panel 1 3 5. Since a constant tension is applied to the upper thread 24 between the two parts by the first holding part 70 and the second holding part 73, the balance 25, the thread tension plate 13 and the thread tension panel 13 Certainly on 5 Thread 24 will be hung. Since the second holding portion 73 applies a stronger passage resistance to the upper thread 24 than the first holding portion 70, the upper thread 24 flows back through the second holding portion 73 and is drawn back into the cassette 2.
- the upper thread 24 necessary for threading as described above is reliably fed from the thread spool 62.
- the upper thread 24 between the first holding section 70 and the second holding section 73 does not become slack, the upper thread 24 does not become entangled with the yarn that is twisted from the thread.
- the upper thread cassette 2 is completely mounted on the cassette mounting section 3 (that is, the engaging section 112 engages with the receiving section 109 from above).
- the thread tension disc 1 3 3 is closed by the interlocking mechanism 1 3 4, the threading slider operating member 1 1 9 is held at the lowest position by the upper thread force set 2, and the threading shaft 3 1 Then, the slider guide shaft 32 returns upward, and the needle thread 24 passes through the needle hole 19a.
- the operation button 94a is pushed to the left by the thread releasing force 95, and the guide pin 89 is separated from the thread holding plate 90 and the second holding portion is formed. 7 3 is released, upper thread 24 is released and sewing is possible.
- an upper portion including a thread guide portion formed in a notch shape below is provided on the downstream side of the thread tension device.
- a thread holding member 180 (shown by a chain line) is provided, and the upper thread 24 extending from the thread tensioner 9 to the downstream side by the mounting operation of the upper thread cassette 2 to the cassette mounting section 3 is pressed down and arranged downward. You may do so. In this case, the contact portion of the upper thread 24 with the shaft member of the thread tensioner 9 is increased, so that the upper thread 24 does not come off unexpectedly, and the amount of the upper thread 24 picked up by the thread tension panel 1 35 is increased. can do. When removing upper thread cassette 2, easily release upper thread 24 from upper thread presser member 180. be able to.
- the sewing can be performed while the upper thread 24 is supplied from the thread spool 62 while the upper thread cassette 57 is mounted on the cassette mounting section 3.
- the upper thread cassette 2 When removing the upper thread cassette 2 from the cassette mounting part 3 to change the thread color of the upper thread 24 or replenish the upper thread 24, move the lower end of the upper thread cassette 2 upward with your finger. It can be easily removed by pressing.
- the loose thread removed from the balance 25 and the thread tensioner 9 remains in the upper thread cassette 2.
- the operation button 94 is returned to make the second holding portion 73 closed.
- the sewing machine 1 and the upper thread cassette 2 according to the present embodiment have the following effects.
- the thread spool 62 is accommodated in the upper thread cassette 2, and the thread spool 62 can be exchanged by exchanging the upper thread cassette 2, so that the exchange of the upper thread 24 is simplified.
- the thread hooking section 26 of the balance 25 the thread tension plate 13 of the thread tensioner 9 and the thread tension spring 13 are automatically connected. Since the thread is hooked, the thread hooking operation is very simple and can be performed efficiently.
- the automatic threading mechanism 10 is activated in conjunction with the mounting operation of the upper thread cassette 2, and the thread is automatically threaded through the needle hole 29a. Exchanges can be made quickly and efficiently.
- the upper thread cassette is mounted on the cassette while the main shaft is manually rotated to hold the thread hook portion of the balance at the lowest position (the thread loosening position).
- the first and second resistance applying parts are opened when the upper thread cassette is mounted on the cassette mounting part, so that the balance is in the uppermost position (thread tightening position) at the start of sewing.
- the needle thread is not always unreeled from the thread spool, and the needle thread in the needle hole may be pulled and the needle thread may come off from the needle hole.
- the sewing machine 1 and the upper thread cassette 2 according to the present embodiment, the sewing is stopped, the needle bar 18 is stopped at the needle upper position, and the thread hooking portion 26 of the ceiling 25 is moved to the thread tightening side.
- the upper thread cassette 2 With the machine stopped at the position, the upper thread cassette 2 can be installed and the thread can be hooked on the thread hooking part 26 of the balance 25 and the thread tensioner 9 without changing the position of the balance 25.
- the operation of loading the cassette 2 and threading can be performed very easily and efficiently.
- the upper thread cassette 2 can be mounted on the cassette mounting portion 3 by moving the upper thread cassette 2 linearly from above, and the upper thread cassette 2 in the mounted state can be linearly moved upward and removed, so that the upper thread cassette 2 can be removed.
- the cassette 2 can be easily attached and detached, and the upper thread cassette 2 can be replaced quickly.
- the cassette case 57 of the upper thread cassette 2 is transparent and the thread color of the inner thread spool 62 can be easily identified, it is convenient when replacing the upper thread 24 or the upper thread cassette 2. It is. Since a recess 65 is formed in the support wall 63 supporting the thread spool 62 inside the upper thread cassette 2, put a finger on the recess 65 and press the lower end of the thread spool 62 to remove the thread spool 62. It can be easily removed from the thread spool holder 58.
- the thread spool 6 2 is held in the upper thread cassette 2 with its axis centered vertically, the upper thread 24 is fed upward from the thread spool 6 2, and the thread exit 6 passes through the thread path 59. 8, the width of the upper thread cassette 2 in the left-right direction can be reduced.
- the upper thread cassette 2 is set in such a manner that the feeding direction of the upper thread 24 from the thread center of the thread spool 62 and the thread spool 62 is substantially parallel to the reciprocating direction of the thread hooking portion 26 of the ceiling 25. Since the configuration is such that the upper thread cassette 2 is mounted on the section 3, the width of the upper thread cassette 2 in the left-right direction and the width of the cassette mounting section 3 in the left-right direction can be reduced.
- the upper thread cassette 2 is a small one close to a vertically long rectangular parallelepiped having a small width in the left-right direction, the upper thread cassette 2 is located in the reciprocating movement area of the thread hooking part 26 of the balance 25 and the left side thereof, namely The cassette mounting part 3 could be placed on the head of the program.
- the cassette mounting section 3 can be formed in an area overlapping with the reciprocating movement area of the thread hooking section 26 of the ceiling 25, and space can be saved. It is advantageous.
- the cassette mounting section 3 can be arranged as much as possible rearward without interfering with the internal mechanism of the arm section 6, so that the upper thread cassette 2 projects from the front of the arm section 6 with the upper thread cassette 2 mounted. The appearance of the arm 6 does not deteriorate, and the degree of freedom on the design of the front of the arm 6 can be secured.
- a first holding portion 70 is provided upstream of the yarn path 59 in the upper yarn cassette 2 to constantly provide resistance to the upper yarn 24, and the first holding portion is provided with the upper yarn cassette 24 attached. Since the upper thread 24 between 70 and the thread tensioner 9 is kept in tension, it is possible to prevent the occurrence of thread tangling due to twisting of the thread, and to prevent thread breakage and thread breakage due to thread tangling during sewing. it can.
- a second holding portion 73 is provided near the yarn outlet 68 so as to provide a passing resistance to the upper yarn 24 before the upper yarn cassette 2 is mounted or before the mounting is completed, and the second holding portion 73 is provided. Since the passing resistance is higher than that of the first holding section 70, the upper thread 24 is not unwound unnecessarily while the upper thread cassette 2 is being handled. The upper thread can be reliably fed from the thread spool 62 when the thread is hooked between the thread hooking section 26 and the thread tensioner 9.
- the operation button 94a is operated with a finger to open the second holding portion 73, and the upper thread 24 can be fed out freely.
- the operation button 94a is pressed by the upper thread release cam 95 to switch the second holding section 73 to the open state.
- the passage resistance does not act on the upper thread 24, and the payout of the upper thread 24 becomes smooth.
- the upper thread cassette 2 When the upper thread cassette 2 is removed from the cassette mounting section 3, the upper thread 24 extending outside the cassette 1 and the case 57 is wound around the outer surface of the cassette case 57, and the end of the thread is fixed to the thread stopper. It is very convenient because it can be stopped at 104, 104A.
- a first guide 69, a long and narrow opening 77, 78, and a thread guide of a guide pin 75 facing in parallel with the first guide 69 are provided. 4 can move freely along the guide pins 75, and the upper thread 24 can be smoothly fed out from the thread spool 62 in a circular arc without resistance, and it is located outside the upper thread cassette 2.
- the upper thread from the thread spool that has been set is introduced into the upper thread cassette 2 from the opening portions 77 and 78, and the yarn exit 59 8 can be used for sewing.
- the thread tension controller 9 is opened in conjunction with the mounting operation of the upper thread cassette 2, and the interlocking mechanism 1 3 4 that closes the thread tension tray 13 3 after the upper thread cassette 2 is mounted.
- the thread can be hooked on the thread tension controller 9 in conjunction with the mounting operation of the needle thread cassette 2. Since the thread tensioner 9 is arranged at the lower end of the cassette mounting section 3, the thread tensioner 9 is threaded on the thread tensioner 9 in conjunction with the mounting operation of mounting the upper thread cassette 2 on the cassette mounting section 3 from above. It is particularly advantageous for
- the balance mechanism 8 has a specific structure, and is suitable for hooking the thread on the thread hook 26 in conjunction with the mounting operation of the upper thread cassette 2. That is, a thread guide member 106 A is formed to form a curved thread guide gap 108 extending along the entire length of the movement trajectory of the thread hook 26 of the balance 25, and the upper end of the thread guide gap 108 is provided. The upper thread 24 is introduced from the inlet port 108a of the first thread so that the thread can be hooked to the thread hooking section 26.
- the yarn hooking part 26 of the ceiling 25 is moved to the above-mentioned yarn tightening side position (needle bar). (Position corresponding to the needle up stop position of 18)
- the thread can be hooked on the thread hooking section 26 in conjunction with the mounting operation of the upper thread cassette 2 on the force set mounting section 3.
- the thread guide gap 108 extends over the entire length of the movement locus of the thread hooking part 26, and the pair of thread guides 106 forming the thread guide member 106 is formed into a U-shaped balance 25.
- the upper thread 24 is guided by the thread guide 106 even if the balance 25 reciprocates up and down during sewing because the guide thread 25 a is slidably passed through the guide section 25 a. It does not deviate from 26.
- the pair of thread guides 106 can be guided by the U-shaped guide 25 a of the balance 25. Therefore, the pair of thread guides 106 can be made of an easy-to-process material such as a linear member at low cost, and slide between the U-shaped guide part 25a and the pair of thread guides 106. The resistance hardly works and there is almost no sliding noise. Industrial applicability
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/451,683 US6883447B1 (en) | 2000-12-27 | 2001-12-25 | Sewing machine with needle thread cassette and needle thread cassette |
EP01272521A EP1354994A4 (en) | 2000-12-27 | 2001-12-25 | SEWING MACHINE WITH NEEDLE FILING CASSETTE AND NEEDLE CARTRIDGE CASSETTE |
JP2002554311A JP3797326B2 (ja) | 2000-12-27 | 2001-12-25 | 上糸カセット付きミシン及び上糸カセット |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000396964 | 2000-12-27 | ||
JP2000-396964 | 2000-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002053821A1 true WO2002053821A1 (fr) | 2002-07-11 |
Family
ID=18862167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/011332 WO2002053821A1 (fr) | 2000-12-27 | 2001-12-25 | Machine a coudre avec cassette de fil d'aiguille et cassette de fil d'aiguille |
Country Status (5)
Country | Link |
---|---|
US (1) | US6883447B1 (ja) |
EP (1) | EP1354994A4 (ja) |
JP (1) | JP3797326B2 (ja) |
CN (1) | CN100398717C (ja) |
WO (1) | WO2002053821A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1394309A1 (en) * | 2002-08-30 | 2004-03-03 | Brother Kogyo Kabushiki Kaisha | Sewing apparatus |
US6776113B2 (en) | 2002-06-28 | 2004-08-17 | Brother Kogyo Kabushiki Kaisha | Sewing machine with thread tension control function and thread tension control program therefor |
US7210418B2 (en) | 2002-06-28 | 2007-05-01 | Brother Kogyo Kabushiki Kaisha | Sewing apparatus, thread cassette therefor and control program therefor |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3960175B2 (ja) * | 2002-09-10 | 2007-08-15 | ブラザー工業株式会社 | ミシン及びこのミシンに装着される糸カセット |
EP2141242A1 (en) * | 2008-07-04 | 2010-01-06 | Universität des Saarlandes | Synthetic pathway enzymes for the production of Argyrins |
US9032889B2 (en) * | 2011-03-04 | 2015-05-19 | Brother International Corporation | Cartridge selection mechanism for a sewing machine |
KR101410100B1 (ko) * | 2013-01-18 | 2014-06-25 | 한태희 | 피엠 재봉틀 |
CN108754898A (zh) * | 2018-07-17 | 2018-11-06 | 吴江市震宇缝制设备有限公司 | 一种缝纫机用线盛放装置 |
CN113944001B8 (zh) * | 2021-11-06 | 2023-06-16 | 诸暨宝立普自动化设备制造有限公司 | 一种带有防护功能的织缝翻一体袜机 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3749039A (en) * | 1972-10-24 | 1973-07-31 | Singer Co | Cassette threading arrangement in sewing machines |
US4100867A (en) * | 1977-01-21 | 1978-07-18 | Mattel, Inc. | Sewing machine |
US4183313A (en) * | 1978-12-14 | 1980-01-15 | The Singer Company | Sewing machine cassette threading system |
JPH0724173A (ja) * | 1993-07-08 | 1995-01-27 | Brother Ind Ltd | ミシンのカートリッジ |
JPH0738912B2 (ja) * | 1986-03-17 | 1995-05-01 | アイシン精機株式会社 | ミシンの上糸供給装置 |
US5441003A (en) * | 1992-03-31 | 1995-08-15 | Aisin Seiki Kabushiki Kaisha | Sewing machine having a removable head |
JP2650262B2 (ja) * | 1987-06-27 | 1997-09-03 | アイシン精機株式会社 | ミシンの上糸供給装置 |
JPH10151287A (ja) * | 1996-11-21 | 1998-06-09 | Brother Ind Ltd | 自動模様作成装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3269671A (en) * | 1963-10-15 | 1966-08-30 | Torque Ind Inc | Tape cartridge with regulated tension |
JPS5742350A (en) | 1980-08-27 | 1982-03-09 | Mitsubishi Electric Corp | Garbage disposal machine |
CH677509A5 (ja) * | 1988-11-30 | 1991-05-31 | Mefina Sa | |
JP2002095882A (ja) * | 2000-09-26 | 2002-04-02 | Brother Ind Ltd | 上糸カセット及び上糸交換装置 |
US6513742B2 (en) * | 2001-04-03 | 2003-02-04 | Charles Watson | Thread cassette |
JP3881860B2 (ja) * | 2001-10-12 | 2007-02-14 | Juki株式会社 | 糸の巻取り方法 |
-
2001
- 2001-12-25 JP JP2002554311A patent/JP3797326B2/ja not_active Expired - Fee Related
- 2001-12-25 WO PCT/JP2001/011332 patent/WO2002053821A1/ja active Application Filing
- 2001-12-25 EP EP01272521A patent/EP1354994A4/en not_active Withdrawn
- 2001-12-25 CN CNB018228887A patent/CN100398717C/zh not_active Expired - Fee Related
- 2001-12-25 US US10/451,683 patent/US6883447B1/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3749039A (en) * | 1972-10-24 | 1973-07-31 | Singer Co | Cassette threading arrangement in sewing machines |
US4100867A (en) * | 1977-01-21 | 1978-07-18 | Mattel, Inc. | Sewing machine |
US4183313A (en) * | 1978-12-14 | 1980-01-15 | The Singer Company | Sewing machine cassette threading system |
JPH0738912B2 (ja) * | 1986-03-17 | 1995-05-01 | アイシン精機株式会社 | ミシンの上糸供給装置 |
JP2650262B2 (ja) * | 1987-06-27 | 1997-09-03 | アイシン精機株式会社 | ミシンの上糸供給装置 |
US5441003A (en) * | 1992-03-31 | 1995-08-15 | Aisin Seiki Kabushiki Kaisha | Sewing machine having a removable head |
JPH0724173A (ja) * | 1993-07-08 | 1995-01-27 | Brother Ind Ltd | ミシンのカートリッジ |
JPH10151287A (ja) * | 1996-11-21 | 1998-06-09 | Brother Ind Ltd | 自動模様作成装置 |
Non-Patent Citations (1)
Title |
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See also references of EP1354994A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776113B2 (en) | 2002-06-28 | 2004-08-17 | Brother Kogyo Kabushiki Kaisha | Sewing machine with thread tension control function and thread tension control program therefor |
US7210418B2 (en) | 2002-06-28 | 2007-05-01 | Brother Kogyo Kabushiki Kaisha | Sewing apparatus, thread cassette therefor and control program therefor |
EP1394309A1 (en) * | 2002-08-30 | 2004-03-03 | Brother Kogyo Kabushiki Kaisha | Sewing apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP1354994A1 (en) | 2003-10-22 |
CN100398717C (zh) | 2008-07-02 |
US6883447B1 (en) | 2005-04-26 |
CN1492955A (zh) | 2004-04-28 |
JPWO2002053821A1 (ja) | 2004-05-13 |
EP1354994A4 (en) | 2007-01-17 |
JP3797326B2 (ja) | 2006-07-19 |
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