Abstract: A quick spinner thread alignment apparatus consists of a two part adjustable mounting block comprised of an upper block and a lower block. An angle adjustment device is connected to the upper block and the lower block where the angle adjustment device adjustably secures the upper block at selected angles relative to the lower block. A thread support disk is rotatably connected with the mounting block. A thread saver is connected with the mounting block. A thread pole is connected with the thread support disk and a brake is connected with the thread support disk and the mounting block.

Abstract: A thread routing mechanism for needle-switchable type sewing machine is installed on a needle bar switching mechanism of the sewing machine, and includes a thread take-up lever, a cylindrical needle bar case and a plurality of threads. The thread take-up lever includes a sway control end and a thread take-up end having thread holes. The cylindrical needle bar case has a rotation axis and a plurality of spaced needle bar holes, and internally defines a hollow space. The needle bar holes are equally distant from the rotation axis, and each receives a needle bar therein. The needle bars respectively carry a needle having an eye formed thereon. The threads are separately routed through a thread course defined by the thread holes, the hollow space and the needle eyes, such that the length of the threads in the thread course maintains same without being affected by a needle bar switching operation.

Abstract: A thread feeding mechanism for actively feeding embroidery thread out of a cartridge through a hollow needle, such that a thread break at or near the needle tip is automatically overcome through normal operation.

Abstract: A sewing apparatus and method therefor includes a drive mechanism, a thread feed mechanism, and a needle engagement mechanism for engaging the thread feed mechanism. The drive mechanism comprises a drive motor configured to transmit power from the drive motor to the needle engagement mechanism such that it drives a needle within a cartridge without moving the entire cartridge. A method and sewing apparatus includes a plurality of thread feed mechanisms and a needle engagement mechanism for selecting and engaging each of the thread feed mechanisms.

Abstract: A spool of thread holder and threading device for holding a plurality of spools of thread, made up of a frame and a plurality of spool thread holders, said spool thread holders further comprising a rod, a base and a wing. The wing attaches to the rod along the axial length of said rod and the rod extends from the base. Each of the individual spool thread holders comprising the multiple spool thread holder, allows receipt of a spool of thread and the wing maintains the spool of thread adjacent the base. The frame is configured for attachment to a quilting machine to allow thread to unspool from each non-rotating spool of thread during operation under substantially equal tension.

Abstract: A threading device for a sewing machine lower looper is disclosed that can thread a lower looper safely and reliably by reliably preventing a main shaft from rotating when an operation of threading the lower looper is carried out.

Abstract: A thread holding mechanism of a sewing machine which holds a thread supplied from a thread supply source includes a thread gripper unit that grips one end of a supplied thread, and a thread presser unit structured in a unified manner with the thread gripper unit and provided between the thread gripper unit and the thread supply source. Provided at the thread-supply-source side is a thread guide that guides another end of the thread, and when the thread gripper unit descends below the thread guide, the thread presser unit abuts the thread.

Abstract: Pressurized gas for carrying looper thread by gas is generated by gas supply pump operated by changing over a sewing-machine motor, which drives stitch forming device, looper threading is performed through loopers by one-touch operation. Gas carrying threading device of sewing machine, comprising: looper thread introduction mechanism inserts looper thread guided to loopers; hollow looper thread guide extends from looper thread introduction mechanism to looper thread inlets and has looper thread guide outlets; gas supply pump for performing looper threading by carrying looper thread by gas from looper thread introduction area through hollow looper thread guide to looper thread loop-taker point outlets; clutch for transmitting power from sewing machine motor M to drive shaft which drives stitch forming device including loopers at time of stitch formation or to gas supply pump at time of looper threading.

Abstract: A threading to a looper is performed with one-touch operation. A looper threading/sewing changeover mechanism 30 including a push button 33 for a pressing operation of a push button shaft 32 that a control pin 31 is protruded and provided, a control groove cam 38 which includes a first control groove cam portion 34—a fourth control groove cam portion 37 which receive the control pin, a connecting movement plate 40 which supports a thread guide portion and which is elastically repelled toward a threading state that a thread guide outlet of the thread guide portion contacts to a looper thread inlet of the looper by a first spring 39, and a connecting positioning plate 82 which rotates together with a main shaft 2 integrally and has a peripheral surface 80 that a tip portion 41 of the push button shaft contacts and has a notch portion 81 that the tip portion of the push button shaft is fitted is provided.

Abstract: The sewing machine has: a base plate that has a guide slit for guiding a bobbin thread that is set on the bottom face side of the throat plate 1; and a bobbin thread guide member that has a guide groove for guiding the bobbin thread supplied from a bobbin and includes a cutting blade provide at the end position of the guide groove to cut the bobbin thread guided along the guide groove to an appropriate length. The bobbin thread guide member is secured to the base plate and has a holding member, which holds the end of the bobbin thread, in the guide groove, so as to maintain the state when the bobbin thread was cut.

Abstract: A threading device for a sewing machine lower looper is disclosed that can thread a lower looper safely and reliably by reliably preventing a main shaft from rotating when an operation of threading the lower looper is carried out

Abstract: A sewing machine includes a thread holding device disposed downstream of a thread take-up lever and upstream of a needle bar in terms of a threading path of a needle thread, and including a fixed first disc and a movable second disc movable by an electromechanical unit between holding and releasing positions to be closer to and remote from the first disc, respectively. The first and second discs respectively have first and second holding surfaces cooperatively defining a thread holding clearance to permit passage of the needle thread therethrough. The needle thread can be clamped in the thread holding clearance so as to prevent the needle thread being pulled out of the needle during a thread cutting procedure. A required amount of the needle thread remaining on the needle can be secured.

Abstract: A sewing machine includes a thread holding device disposed downstream of a thread take-up lever and upstream of a needle bar in terms of a threading path of a needle thread, and including a fixed first disc and a movable second disc movable by an electromechanical unit between holding and releasing positions to be closer to and remote from the first disc, respectively. The first and second discs respectively have first and second holding surfaces cooperatively defining a thread holding clearance to permit passage of the needle thread therethrough. The needle thread can be clamped in the thread holding clearance so as to prevent the needle thread being pulled out of the needle during a thread cutting procedure. A required amount of the needle thread remaining on the needle can be secured.

Abstract: A sewing machine thread feed for a supplying sewing thread to a sewing machine, the feed including: a guide mechanism for guiding sewing thread to a needle of the sewing machine; first and second spools carrying first and second filaments respectively, one of the spools carrying a low-melt filament and the other carrying a textile filament; first and second retention mechanisms for retaining the first and second spools respectively in position against force applied to them when filament is drawn off; the first and second filaments run from the first and second spools respectively to the guide mechanism; wherein the first filament runs from the first spool, through the centre of the second spool, so that the action of the second filament, when being drawn off the second spool, causes inter-winding of the first and second filaments to create composite sewing thread.

Abstract: A sewing device includes a material wrapped around a spool (the spool rotating around an axis), and a needle with a hole through which the material passes. A material feeding mechanism moves the needle and feeds the material in a feeding direction, thereby unraveling the material from the spool and stitching the material into a workpiece. A controller controls the material feeding mechanism to move the needle to a first rest position above a top surface of the workpiece. The first rest position is determined by the following formula: PR1=PW1+AT; wherein PR1 is the first rest position; PW1 is a first position of the top surface of the workpiece; and AT is an amount of material to be used in forming a second stitch in the workpiece after forming a first stitch in the workpiece.

Abstract: A thread feeding mechanism for actively feeding embroidery thread out of a cartridge through a hollow needle, such that a thread break at or near the needle tip is automatically overcome through normal operation.

Abstract: A material feeding device includes material wrapped around a spool, the spool rotating around an axis. A material feeding mechanism feeds the material in a feeding direction, thereby unraveling the material from the spool. A force deflection device is arranged between the spool and the material feeding mechanism, and is connected to the material. The force deflection device is configured to as to deform physically when the material feeding mechanism applies an initial feeding force to the material.

Abstract: A sewing machine having a threading path defined at a sewing machine head and being engaged with a needle thread to guide the needle thread in threading a sewing needle; a thread holder provided on the threading path and that includes a thread holding plate receiving the needle thread being introduced from outer to inner peripheral side of the thread holder to clamp the needle thread; a thread cutter provided on a faceplate covering the head and that cuts off a needle thread tip sequentially engaged with the threading path; a threader unit that passes the needle thread through a needle eye; and a passage resistance applier provided downstream relative to the thread holder and upstream relative to the thread cutter and that applies a predetermined amount of resistance on the needle thread passing therethrough to introduce the needle thread to the inner peripheral side of the needle holding plate.

Abstract: A thread guide device for use with sewing and embroidering machines is adjustable to accommodate a variety of differently dimensioned thread spools or cones and is adapted for use with machines having a horizontally disposed thread spool support rod. The thread guide device includes a base having a support rod for supporting a spool or cone of thread on a rotor journalled for rotation on the support rod and dimensioned for insertion into the core of a spool or cone of thread. The rotor has a tapered end portion for accommodating spools or cones of different sizes. A wire loop thread guide secured to the base and mounted for selective lateral adjustment relative to the support rod has a first portion disposed within a slot of a slotted arm and a second portion provided with a coil wrapped around the slotted arm. A set screw secures a tapered retaining cap having a central axial aperture receiving the support rod to the support rod.

Abstract: A thread spool stand device is disclosed. The thread spool stand device includes a thread spool base and a thread spool pin that has a base end thereof secured to the thread spool base and that allows attachment of a thread spool. The thread spool stand device further includes a positioning mechanism that determines position of attachment of the thread spool relative to the thread spool pin. The positioning mechanism includes a contact section that contacts an inner peripheral surface of a core of the thread spool. The contact section is radially movable responsive to variation in an inner diameter of the core such that the contact section expands radially outward or contracts radially inward to be equally spaced from an axial center of the thread spool pin.

Abstract: A stationary thread-cutting device for a sewing machine includes a guiding member and a cutter. The guiding member is mounted on a needle plate, and has a major wall defining a thread guiding route. The guiding route includes a lead-in area having an entry slot to permit entry of a leading end of a bobbin thread, a turn-around area for guiding the leading end, a corner piece disposed at the turn-around area, and a cutting station disposed adjacent to a lateral edge of the needle plate to define a lead-out path with the corner piece. The cutter is disposed under the major wall and adjacent to the cutting station, and has a cutting blade. After the bobbin thread is advanced beyond the cutting station, the bobbin thread is cut, thereby ensuring that a predetermined length of the bobbin thread is available for initial interlacing with a needle thread in a sewing operation.

Abstract: A sewing machine is provided. The sewing machine includes a top covering shaft mechanism, a spreader mechanism detachably attached to the top covering shaft mechanism from below and operable to catch a covering thread and to interlace the covering thread with a needle thread inserted into a needle to form covering stitches, and an operating member having a hook portion and rotatably attached to either one of the top covering shaft mechanism and the spreader mechanism. The other of the top covering shaft mechanism and the spreader mechanism has a protrusion with which the hook portion is engageable. The operating member is rotatable between a position at which the hook portion engages with the protrusion to lock the spreader mechanism with respect to the top covering shaft mechanism and another position at which the spreader mechanism is detachable from the top covering shaft mechanism.

Abstract: A sewing machine system is disclosed that is configured by a sewing machine and a thread spool storage device communicably connected by way of a communication element. The sewing machine is provided with a compartment identifier that searches and finds thread color information pertaining to thread color data contained in the pattern data when a selection of pattern data is validated by a pattern selection validator. The compartment identifier transmits the compartment identification for identifying a location of the compartment of the thread spool storage device that is mapped to the found thread color information. Based on the compartment identification, the thread spool storage indicates the location of the compartment identified by the compartment identification.

Abstract: A spool holder includes a spool base and a thread guide mechanism including a thread guide member having thread guide portions guiding the threads extending from thread spools, respectively and a divided support pillar disposed so as to support the guide member on the spool base and including an upper support pillar having an upper end swingably mounted on the guide member and a lower support pillar having a lower end which is swingably mounted on the spool base, and a holding unit which holds the divided support pillar so that the pillar is switchable between a first position where both pillars are substantially vertically lined so that the guide member is located at an upper position in its use and a second position where both support pillars are bent at the connecting part so that the guide member is located at an accommodation position in its non-use.

Abstract: In the disclosed sewing machine, when a needle threading switch is operated when sewing operation is stopped, a needle bar drive mechanism is activated, a needle threading hook is moved forward to a threading position, and a thread take-up is lowered by predetermined distance by driving a sewing machine motor in reverse rotation after threading a hook portion with a needle thread. Thus, a thread engaging portion of a check spring absorbs loss of required thread amount at the thread take-up and moves from a spring force operable position to a spring force inoperable position. Thus, the needle threading hook retracts to a loop cancel position and the needle thread reliably threads the sewing needle with secure engagement with the needle threading hook when a needle thread end is pulled off from a first thread retaining portion since needle thread is stabilized by absence of needle thread tension.

Abstract: Connection member integrally includes: a supporting section having a shape adapted to support a predetermined portion of a thread spool of a predetermined shape: a cylindrical portion for fixing a spool pin to the connection member by allowing one end portion of the pin to be inserted therein or thereon; and a fitting portion fittingly engageable with a mounting portion of a thread stand plate. Thus, the connection member and the spool pin are attached together to the thread stand plate with the connection member attached to the mounting portion of the thread stand plate via the fitting portion and the spool pin fitted at the one end portion to the cylindrical portion. The supporting section has a shape adapted to support predetermined portions of thread spools of at least two types having different configurations.

Abstract: A threading device of a sewing machine includes a thread inserting base formed with a thread path hole having a thread inserting port opened toward an outer side of a sewing machine frame, and further formed with an air path hole which joins the thread path hole in the vicinity of the thread inserting port, an air supply device coupled to the air path hole to supply compressed air, and illuminating means provided on the sewing machine frame to irradiate a joining portion of the thread path hole and the air path hole. The thread inserting base includes a transparent member through which at least the joining portion of the thread path hole and the air path hole can be visually recognized.

Abstract: A multi-needle chain-stitch quilting machine and method of operation thereof are provided that imparts relative motion between the needles and the material that is controlled so as to pull needle thread tails from the needle side of the quilted material. The feature of controlling thread tails may be optional to provide selection of either a high speed mode of operation without thread tail control or a quality mode of operation with reduction or removal of needle thread tails from the face of the quilted material. Thread trimmers may be included at each needle location on the looper side of the material to cut both needle and looper threads.

Abstract: A monitoring device (15) for monitoring the needle thread (9) on a sewing machine (1) is provided which includes a regulator spring (25) with at least one cam switch (39) being connected thereto in a rotational manner. In case of changing thread tension and/or thread consumption the cam switch (39) and/or the detection zones (41) embodied thereat passes through a sensor (45) with two sensor areas (a, b). Here, not only the presence and absence of the cam switch (39) can be detected but also a direction of motion and the speed of motion. From these measurements conclusions can be drawn on various parameters of the needle thread (9).

Abstract: A sewing machine includes an upper looper formed with a thread hole, an upper looper shaft which oscillates the upper looper between an upper position and a lower position, switching means operable to switch a coupled state and a decoupled state between the upper looper and the upper looper shaft, moving means for moving the upper looper, which has been decoupled from the upper looper shaft by the switching means, to the lower position, a thread guiding pipe formed with a thread discharging port, and first operating means operable to decouple the upper looper and the upper looper shaft via the switching means, and to move the thread discharging port of the thread guiding pipe to a position at which the thread discharging port is aligned with the thread hole of the upper looper in the lower position.

Abstract: A sewing machine includes a looper formed with a thread hole, a looper shaft holding the looper, and a thread pipe fixed to the looper shaft. The thread pipe includes a thread inserting port at one end and a thread discharging port at the other end. The sewing machine further includes a nozzle from which air is sprayed toward the thread inserting port, a switching mechanism operable to disconnect the looper from the looper shaft when the looper is at a front position, and a moving member which moves the looper to a rear position when the looper is disconnected from the looper shaft by the switching mechanism. When the looper is disconnected from the looper shaft and is moved to the rear position, the thread discharging port matches the thread hole, and the thread inserting port becomes close to the nozzle.

Abstract: A sewing machine including a needle that is supplied with an upper thread. A a reciprocating movement carries the upper thread through a sewing material and forms a loop beneath the sewing material. A shuttle houses a bobbin for lower thread and a shuttle arm catches the loop of the upper thread and carries the upper thread around the lower bobbin, so that a stitch is executed on the sewing material. A thread feeder feeds the upper thread to the needle and a control element on each stitch causes the thread feeder at the beginning of a stitch to advance a predetermined length of upper thread, including an excess thread, and at the end of the stitch to correct the length of the upper thread by recovering the excess upper thread, or advancing the further upper thread required.

Abstract: A bobbin system for use with a sewing machine is disclosed. The system includes a bobbin and a thread wound around the bobbin. The system also includes an anti-unwinding member arranged around the thread to ensure that the thread does not dislodge and unwind off of the bobbin thus reducing or eliminating entanglements and jamming of the moving parts of the sewing machine.

Abstract: Disclosed is a thread supplying apparatus for an embroidering machine, including: at least one pair of guides which comprises a thread guiding part formed with a thread moving path guiding each thread supplied from a plurality of bobbins to a needle working part and is continually formed along the thread moving path and coupled to each other with a spacing portion therebetween; a thread spacer member to take up the thread passed through the spacing portion and to space the thread from the thread moving path to put the thread on a standby state in which the thread standbys to be supplied to the needle working part from a working state in which the thread moves to the needle working part; and a thread maintaining member provided in the thread guiding part and to apply a tension force to the thread spaced from the thread moving path, and to maintain the thread on the standby state.

Abstract: A thread tension device includes paired thread tension discs holding a needle thread, a thread tension spring biasing one of the discs toward the other, a thread tension dial adjusting a tension exerted on the needle thread, a spring force adjusting cam formed in the thread tension dial, a transfer plate following the cam so as to be capable of adjusting the spring force, and a first adjusting member threadingly engaged with the transfer plate to receive one end of the thread tension spring, a thread guide assembly having a through hole formed so that the adjusting tool is insertable into the through hole, and a second adjusting member rotatably mounted on the transfer plate and engageable with the distal end of the adjusting tool inserted into the through hole so as to be rotatable with the tool, thereby rotating the first adjusting member by rotation of the tool.

Abstract: The present invention relates to a thread feeding apparatus for an embroidering machine, comprising a thread tension adjuster including a thread tension adjusting body and a thread winding unit; a thread take-up unit including a thread retainer and oscillating to tense and release the upper thread; a thread take-out unit including a thread take-out lever and retaining the upper thread; a driver driving the thread winding unit to rotate and the thread take-out lever to reciprocate; a rotating motion transformer rotating the thread winding unit to wind the upper thread on the thread tension adjusting body; and a straight line motion transformer and moving the thread take-out lever to retain the upper thread on the thread retainer. Thus, a single driver is used for winding an upper thread and retaining the upper thread, thereby enhancing productivity. Further, the number of components is reduced.

Abstract: The present invention provides a sewing mechanism which is useful for joining fabrics with a brittle thread. The invention provides a sewing mechanism having a needle for stitching a brittle fiber thread through at least one layer of a fibrous fabric, the mechanisms for supplying the sewing thread to the needle on each edge thereof while the needle penetrates the layer or layers of fibrous fabric, thread supply being controlled to equalize the supply on both sides of the needle to prevent axial movement of the thread relative to the needle while the needle moves downwards. The mechanism further supports a revolving spool of a second thread and arranged to insert the second thread through a loop formed by the sewing thread at the remote side of the layer of fibrous fabric.

Abstract: Support section for contacting and movably supporting a string-shaped material is provided between a material holder and a guide member, and it supports the material, paid out from the holder, in a slackened condition while it applies a tensile force, corresponding to a state of the contact, to a portion of the material to be directed to the guide member. The consumed amount and the paid-out amount of the material can be controlled to agree with each other, which can prevent any excessive tensile force from being applied to the portion to be supplied to a sewing position and which can reduce the tensile force acting on the material and yet keep the tensile force generally constant. As a result, the string-shaped material can be sewn accurately in an aesthetically pleasing manner.

Abstract: A sewing machine having a reciprocatory needle and a reciprocatory thread-take-up device to deliver thread to the needle employs a thread control device located between the thread take-up device and the needle to engage and apply light tension to the thread. The thread control device can have an opposed plate and spring wire between which the thread runs and which cooperate to apply spring pressure to the thread. Downstream thereof a thread brush can be employed through which the thread runs. The thread can be further lightly tensioned and laterally positioned by the thread brush. The guide plate or other device can include catcher structure to catch thread escaping the take-up device. The thread control device can help control premature descent of the thread and improperly tensioned stitches.

Abstract: A threading device of a sewing machine includes a thread inserting base formed with a thread path hole having a thread inserting port opened toward an outer side of a sewing machine frame, and further formed with an air path hole which joins the thread path hole in the vicinity of the thread inserting port, an air supply device coupled to the air path hole to supply compressed air, and illuminating means provided on the sewing machine frame to irradiate a joining portion of the thread path hole and the air path hole. The thread inserting base includes a transparent member through which at least the joining portion of the thread path hole and the air path hole can be visually recognized.

Abstract: The present invention relates to thread storage and dispensing systems which protect the thread from damage. A spool system of the present invention includes a thread spool around which thread is wound. A spool cap is mounted to the thread spool in a manner which substantially encloses the thread. The spool cap may include an opening through which the thread is extended as it is fed into a sewing machine. The spool cap may be selectively and removably mounted to the thread spool in any of a variety of manners. For instance, detents may be provided on the cap to engage a corresponding groove in the thread spool. Optionally, a stopper is provided which may be inserted into the opening through which the thread is fed into a sewing machine. The stopper may frictionally engage the cap and thread, and secure the thread to prevent it from unraveling.

Abstract: A sewing machine includes an upper looper formed with a thread hole, an upper looper shaft which oscillates the upper looper between an upper position and a lower position, switching means operable to switch a coupled state and a decoupled state between the upper looper and the upper looper shaft, moving means for moving the upper looper, which has been decoupled from the upper looper shaft by the switching means, to the lower position, a thread guiding pipe formed with a thread discharging port, and first operating means operable to decouple the upper looper and the upper looper shaft via the switching means, and to move the thread discharging port of the thread guiding pipe to a position at which the thread discharging port is aligned with the thread hole of the upper looper in the lower position.

Abstract: A base of a spool support system has a central extent with a short leg and a long leg. A cylindrical rod is secured to the long leg and has a free end facing toward the short leg. A spool retention component supported on the rod has an interior end adapted to contact the spool. A cylindrical aperture in the short leg is axially aligned with the rod and is adapted to receive and guide thread fed to a sewing machine from a spool. A guide rod fabricated of a relatively stiff material has a looped end and a short bent end. A short recess extends laterally into the base frictionally supporting the short bent end of the guide rod.

Abstract: Sewing machine includes a tension detection section (26) for detecting tension acting on a sewn material (A) paid out from a rotary holder member, and a drive section for driving the rotary holder member, and the driving operation of the drive section (14) is controlled on the basis of the detection by the tension detection section. Once the tension acting on the sewn material has increased, the rotary holder member is driven to rotate by the drive section, so that the sewn material can be paid out smoothly from the rotary holder member. The sewing machine is particularly useful in a case where the rotary holder member is constructed into an increased size so that an increased amount of the sewn material can be wound thereon.

Abstract: A device for manufacturing a reinforcement from a thread laid down directly in its final location by projecting lengths of the thread onto a receiving surface (S).

Abstract: A thread supplying device includes a rotator feeding a thread downstream of a thread supply path, the rotator winding a periphery thereof the thread several times and locating in the path extending from a thread supply part to a needle and loopers, a stepping motor continuously drivingly rotating in one way the rotator in synchronism with the main shaft of a sewing machine, thread feed setting means setting a unit thread feeding amount necessary for formation of seams per stitch, and control means automatically controlling the rotation of the motor to feed the unit thread feeding amount set by the setting means for each formation of seams per stitch. This device can stably supply a predetermined amount of the unit thread, and achieve stabilization of stitch performance, irrespective of the type of the thread, and whether the feed of a fabric increases or decreases by a rapid change in the rotational speed of the sewing machine.

Abstract: A needle bar thread guide for a sewing machine includes a thread guide part located in a thread hooking part of a thread hooking member to guide the needle thread into the thread hooking part, and a thread cast-off preventing member having a thread cast-off preventing part closing the thread guide part. The thread cast-off preventing member is elastically deformable. The thread cast-off preventing part has a distal end which is in contact with an upper surface of the thread hooking part.

Abstract: A multi-needle sewing machine capable of preventing twisting (twinning) associated with the oversupply state of a second thread element owing to the abrupt lowering of a thread take-up am even when the vertical reciprocation speeds of the needle bar and the thread take-up are increased to raise the efficiency of sewing. A recess is formed so that the second thread element that is pulled using the through hole of the thread take-up arm while at a bottom dead center can fall into the recess, the thread is lowered abruptly and is in a oversupply state and can be deflected within the recess bounded by jump preventing faces and a beaten thread portion face, so as to make contact with the faces and prevent the thread from jumping.

Abstract: A needle bar thread guide for a sewing machine includes a thread guide part located in a thread hooking part of a thread hooking member to guide the needle thread into the thread hooking part, and a thread cast-off preventing member having a thread cast-off preventing part closing the thread guide part. The thread cast-off preventing member is elastically deformable. The thread cast-off preventing part has a distal end which is in contact with an upper surface of the thread hooking part.

Abstract: A bent embroidery thread guide wire is attached to a base mount releasably attachable to a spool pin rod of an embroidery and sewing machine. An open spiral bent loop end of the upwardly bent wire adjusts to a position spaced slightly apart from and approximately centered on an embroidery thread spool mounted on the machine. The embroidery thread feeds from the spool through the open looped end, through the normal threading procedure of the machine, to the thread consuming needle apparatus under tension. A transverse bar extending from the base mount allows the guide wire to slide adjustably thereon to move toward or away from the spool. A stepped base mount receives embroidery thread spools of different diameters.