Abstract: A presser device includes an attachment body, an adjustment member, and a presser body. The attachment body includes an attachment portion and a shaft. The attachment portion is attached to a presser bar included in a sewing machine and extending in a first direction. The shaft extends in a second direction that intersects the first direction. The adjustment member is configured to be screwed together with one end of the shaft and to rotate with respect to the shaft around a rotation axis extending in the second direction. The presser body includes an insertion hole and an insertion portion, the insertion hole penetrating in the first direction. The insertion portion is configured such that the shaft is inserted therethrough. The presser body is configured to move in the second direction with respect to the attachment body along the shaft in accordance with the rotation of the adjustment member.

Abstract: A presser foot device includes a wall portion, a pair of opposed portions, a pin, and an abutting portion. The wall portion extends in a first direction and a second direction intersecting the first direction. The pair of opposed portions extend in one direction of a third direction intersecting the first direction and the second direction from the wall portion, and face each other. The pin extends in the second direction between the pair of opposed portions, and engages with a groove provided in the presser foot holder. The abutting portion is provided with respect to the pin on one direction side of the first direction, and is provided on the one direction side of the third direction of an end surface in the one direction of the third direction, of the pair of opposed portions. The abutting portion abuts against the presser foot holder in the second direction.

Abstract: Hopping foot for a maneuverable quilting machine. In some embodiments, an example hopping foot may include a presser bar shaft configured to couple to a presser bar and a base attached to the presser bar shaft. The base may define a left straight edge, a right straight edge, a front straight edge, a bottom surface configured to hop onto and off of a fabric, and a needle opening configured to allow a needle to reciprocate into and out of the fabric through the needle opening.

Abstract: Presented is an apparatus and method for hook timing. An exemplary apparatus includes a frame, the frame having a top portion and a bottom portion, the top portion having a needle bar channel, and a spacer, the spacer moveable relative to the frame to overlay a portion of the top portion of the frame. The apparatus further including a clasping element connected to the frame and operable to change an effective diameter of a portion of the channel, and a bottom plate, the bottom plate connected to the bottom portion of the frame.

Abstract: A presser foot for a sewing machine includes: a presser main body having an opening in which an upper feed dog is to be arranged, and configured to press a cloth; a rotational shaft connected to an upper feed mechanism of the sewing machine; a guide base provided to the presser main body so as to form a single unit, and configured to guide a ribbon; right and left guides configured as a pair of members provided such that they can be relatively moved with respect to the guide base, and to guide a position of the ribbon in the width direction, and arranged symmetrically with a position at which a sewing needle moves in a vertical direction as a base position; and an adjustment screw, right and left guide bushes, configured as a linking portion that links the movements of the right and left guides.

Abstract: A presser attaching mechanism for a sewing machine includes a locking mechanism switchable between a locking position where a presser foot or a presser holder is fixed to a presser bar and an unlocking position where the presser foot or the presser holder is released from the fixed state. The locking mechanism includes an operating member rotatable to the locking position and to the unlocking position. The presser bar is formed with a mount. The presser foot or the presser holder has a mounting wall and a mounting hole. The operating member is rotated from the unlocking position to the locking position, so that the operating member fixes the mounting wall to the mount. The locking mechanism has a biasing member which presses the operating member in a direction such that the mounting wall is pressed against the mount when the operating member is located at the locking position.

Abstract: A presser attaching mechanism for a sewing machine is disclosed which detachably attaches to a presser bar a presser foot pressing a workpiece cloth or a presser holder supporting a presser foot. The presser attaching mechanism includes a locking mechanism located on a lower end of the presser bar so as to be switchable between a locking position where the presser foot or the presser holder is fixed to the presser bar and a unlocking position where the presser foot or the presser holder is released from the fixed state to the presser bar.

Abstract: A manually operated sewing machine device having a square needle feed and jump foot system, capable of using thread sizes 69 through 346, inclusive, and standard 328 System needles ranging in size from 140 (#22) to 230 (#26). The machine will sew material from light fabric to heavy materials such as approximately ¾ inch thick leather, canvas, and nylon webbing, featuring a hand crank or hand wheel capable of being connected to and driven by a motor. The synchronized motion of the needle, jump foot, and a shuttle hook is accomplished by use of three (3) fixed cams and a rack and pinion drive for the shuttle hook.

Abstract: A workpiece processing attachment detachably attached to a sewing machine including a presser foot, a presser bar having the presser foot detachably attached to its lower end, a presser bar vertically moving mechanism, a sewing needle, a needle clamp having the sewing needle detachably attached thereto, a needle bar having the needle clamp attached thereto, and a needle bar vertically moving mechanism, the workpiece processing attachment, including a body detachably attached to the lower end of the presser bar; a connecting element capable of being connected to the needle clamp and movable up and down with the needle bar being moved up and down by the needle bar vertically moving mechanism; a needle penetrating the workpiece to form a hole in the workpiece; and a needle vertically moving mechanism moving the needle up and down by the up and down movement of the connecting element.

Abstract: A holding device (3) for a tool, e.g., a textile marker (5), for the processing of a textile or non-textile sheet material (44) is attached to the presser foot bar (23) of a sewing machine (1). The tool is supported by a tool holder (15) so that it can move on a base part (19) of the holding device (3) and can be changed in its position or activation through movements of the needle bar (9) of the sewing machine (1).

Abstract: A walking foot for a sewing machine includes a presser foot having a pair of supported portions, an upper feed dog feeding workpiece cloth in synchronization with vertical movement of a needlebar, a supporting member fixed to a lower end of the presser bar and having a pair of engagement supporting portions supporting the presser foot, a swinging supporting mechanism engaging the engagement supporting portions with the supported portions from horizontally outside respectively so that the presser foot is supported on the supporting member so as to be swingable, and a disengaging mechanism moving at least one of the engagement supporting portions horizontally outward from an engagement position where the engagement supporting portion is in engagement with the supported portion of the presser foot, thereby being capable of switching the engagement supporting portion to a disengagement position where the engagement supporting portion is disengaged from the supported portion.

Abstract: A workpiece cloth ruler is disclosed which is detachably attachable to an attaching part of a cloth presser holder or a walking foot to which a cloth presser is attached to press workpiece cloth. The ruler includes a bar-shaped support detachably attachable to the attaching part of the cloth presser holder so as to be directed in a right-left direction and so as to be substantially horizontal, a connecting part located on an end of the bar-shaped support, a cloth guide pivotally non-releasably attached via a supporting part to the connecting part of the bar-shaped support so as to be vertically pivotable, and an elastic member biasing the cloth guide to the workpiece cloth side so that the cloth guide pivots.

Abstract: A sewing machine that can be easily set up for minimizing selvedge includes a needle plate assembly and a reciprocating needle. The reciprocating needle is supported above the needle plate for joining at least two pieces of material together. A sew guide is spaced laterally from the reciprocating needle a predetermined distance corresponding to a selvedge length of selvedge extending from the joined material for guiding the pieces of material being joined beneath the needle. A spacer abutting the sew guide laterally spaces the sew guide at the predetermined distance corresponding to the selvedge length.

Abstract: A single-piece, integral article having spaced parallel, open end prongs frictionally fitted on the prongs of a conventional presser foot on a sewing machine. The article has a pin which, when the article is applied in place, is spaced horizontally from the needle in the sewing machine, and the sewing thread is wrapped around the pin and held from becoming entangled.

Abstract: The invention relates to a presser foot for a sewing machine mounted on a presser bar of a sewing machine, for pressing a workpiece e.g. (cloth) supplied at a needle location to a feed dog, in which the presser foot is separated from the presser plate, and replaced with one selected from a plurality of types of presser feet suited to the sewing method, so that the sewing method or sewing width may be set or changed freely. Other parts are used commonly, and hence it is not required to replace the entire presser foot for the sewing machine, and the manufacturing cost is lowered. The presser foot is pressed to the cloth by the elasticity of the presser plate itself, and the cloth guide guides the cloth in the cloth feed direction.

Abstract: A presser foot device comprises a presser foot shank ?2! which has clamp member through holes ?2d! for guiding clamp members in moving forward and backward formed at the lower portion thereof and a groove for receiving the hinge pin ?3b! of a presser foot plate ?3! formed on the lower surface of the front side thereof and a groove ?2a! for receiving the hinge pin ?3b! of a presser foot plate ?3! therein formed on the lower surface of the front side thereof, and which is detachably attached to a presser bar ?5,! an elastic ?9! member which is fixed to the rear portion of the presser foot shank ?2! at one end portion thereof, and the clamp members ?7! each having a hook portion ?7a! for retaining the hinge pin ?3b! of the presser foot plate ?3! at the tip end portion thereof, wherein the hinge pin ?3b! of the presser foot plate ?3! is elastically clamped by the hook portions ?7a! of the clamp members ?7! and the rear wall ?2c! of the groove ?2a!.

Abstract: A presser foot coupler for a sewing machine allows effortless and quick mounting and dismounting of a presser foot onto the sewing machine. The presser foot coupler comprise a holding member having a receding coupling portion formed on the bottom and a sliding channel formed on one side, and a locking member slidably inserted in the sliding channel on the holding member so as to allow the presser foot to be locked in position with the holding member. To allow a presser foot to be mountable on the presser foot coupler according to the present invention, the presser foot should be formed with at least a projecting coupling portion on the top. The receding coupling portion on the holding member then allows the presser foot to be coupled to the holding member by inserting the projecting coupling portion into the receding coupling portion. Either the dismounting or the mounting is quite effortless and quick to do, thus allowing very easy replacement of the presser foot on the sewing machine.

Abstract: A jump foot kit assembly for a sewing machine. As such, the invention is particularly useful in providing jump foot capabilities to sewing machines which were not configured by the manufacturer to have jump foot capabilities. In one embodiment, the jump foot kit assembly includes a housing which is detachably interconnectable with the sewing machine. The housing includes a bore extending through at least a lower portion of the housing such that a jump foot bar may be movably received therein. A jump foot is preferably detachably connected to a lower portion of the jump foot bar and an appropriate linkage assembly may operatively interconnect the sewing needle drive assembly and the jump foot bar to move the jump foot into and out of engagement with stitchable material being sewn upon by the sewing needle in timed relation with the sewing needle.

Abstract: A presser bar 11 is provided at its lower end with a fabric presser foot 13 and a nut 16. The fabric presser foot 13 is individually moved on the presser bar 11 independent of a reciprocating motion of the presser bar 11. Due to an action of a spring 14 the presser foot 13 is resiliently pressed against a fabric 40 to be sewn to reduce a noise while a needle is associated with a hook or shuttle 26.

Abstract: A presser foot is provided with a detachably arranged base. The base contains a needle passage opening and includes a plurality of guide grooves located at mutually spaced locations from one another on the under side of the base. The guide grooves are used for preparing pipings which extend in parallel to one another in the fabric. The middle guide groove extends centrally to the needle passage opening. The width of the needle passage opening essentially corresponds to a maximum overstitch width of the needle of a zig-zag sewing machine. A second and third guide groove extend, in a short distance, to the side of the needle passage opening. A fourth guide groove is provided with a distance from the middle guide groove which exactly corresponds to the mutual distance between the second and third guide grooves.

Abstract: An assembly for detachably mounting a tool such as a drill, a punch or a needle for a sewing machine on a driving member. The assembly includes a tool carrier, a mounting head for connecting the tool carrier to the driving member having at least one seat surface being cooperatively engaged with a corresponding portion of the tool carrier, a device for holding the tool carrier in contact with the seat, and positioning element to place the mounting head in a specific position relative to the tool carrier when the tool carrier is held by the holding device.

Abstract: A vertically elongated and oriented adapter including upper and lower ends is provided for removably indexed mounting of the upper end thereof from the lower end of a sewing machine high pressure foot mounting shank and the lower end of the adapter includes structure for predetermined indexed removable mounting of the upper end of a low shank pressure foot therefrom, whereby a sewing machine equipped with a high pressure foot mounting shank may be used conjunction with more readily available and varied types of low shank pressure feet. In addition, the adapter is constructed in a manner such that the associated low shank pressure foot is offset forwardly and laterally with respect to the associated high pressure foot mounting shank.

Abstract: An upper cloth feeding device of a sewing machine which can have a presser foot shank attached to a presser bar such that the presser foot shank need not be detached from the presser bar for removing a removable shoe from the presser foot shank. The upper cloth feeding device has a shank holder which can hold the presser foot shank therein, an upper cloth feeding foot having friction surfaces on the underneath surface thereof, a cloth presser which slidably holds the upper cloth feeding foot with friction surfaces thereon in slits disposed therein, a cloth presser holder which pivotably holds both the cloth presser and the shank holder and a lever which is pivotably connected to side walls of the cloth presser holder and to a vertical plate of the upper cloth feeding foot by means of a connector piece.

Abstract: A presser foot retainer system for use in a sewing machine which utilizes a presser foot device including an elongated generally horizontal foot, a horizontal cross pin positioned above the foot and extending in a direction generally at right angles to the direction of elongation of the foot, and a connector connected both to the pin and the foot to support the pin in said position. A presser bar has a slot in the lower end of the bar which extends generally parallel to the pin. The pin is detachably engageable in the slot to detachably secure the device to the bar.

Abstract: Presser device in a sewing machine, comprising a support provided with structure for holding and releasing a presser foot. The support is of a general parallelepiped shape and has two parallel grooves that are arranged on two opposing lateral faces of the support, these grooves forming sliding guides for a sewing attachment. One face of the support comprises a translucent window, an electrical bulb being arranged in the support behind the window. The support also has at least one bore for receiving a rod for securing a sewing attachment. This bore is perpendicular to the axis of the presser bar. The support also has two parallel grooves arranged on its other two lateral faces.

Abstract: A presser foot assembly in a sewing machine essentially comprising a presser foot having a catch pin plateau integrally connected to its cambered press plate and a holder which is adapted to be fixed to the body of the sewing machine. The holder has a curved front extension, and this curved front extension has a lateral and longitudinal slot in its bottom to snugly accommodate the catch pin plateau of the press plate, permitting the free inclination of the presser foot about its pivot within so controlled limits that the needle cannot come to contact to the edge of the needle aperture of the press plate.

Abstract: A presser foot that is adapted to extend forwardly upon attachment to a presser bar of a sewing machine that sews a fabric pressed under the presser foot includes a presser foot element that is pivotably attached to the presser bar and is biased pivotally with respect thereto by a spring, the element having a vertical slot with an open forward end and a rear end that is closed at a vertical needle-accommodating through aperture located ahead of a pivotal axis about which the presser foot pivots about the presser bar. The presser foot is formed with two recesses, one on each side of the forwardly open slot, each recess being longitudinally defined by outwardly extending flanges at each end, and a first pair of rolling elements that are rotatably supported coaxially by the presser foot element, one inside each of the two recesses about a common first axis that is disposed beneath the needle accommodating aperture, so that the rolling elements press on a fabric being sewn thereunder by the needle.

Abstract: A sewing machine having a presser foot for positioning a fabric to be sewn and a device for holding the presser foot. This device comprises a pair of hook arms, the ends of which releasably engage a presser foot and a scissor arm actuating device for actuating or releasing the hook arms. The actuating device and the hook arms form a unit which is movable together towards and away from the presser foot.

Abstract: A devised shank is provided to a presser foot of a sewing machine in addition to an ordinary shank, such that a special presser group for straight stitching along a fabric edge is attached to the devised shank only, in which the presser foot is attachable to a presser holder, and the ordinary shank is for such as zigzag stitching, and the devised shank is different in an attaching width from the ordinary shank. Signal generating parts are provided to the presser holder, which each issue a signal in response to when the presser foot is attached, and the signal is discriminated with a signal issued in response to a pattern group belonging to patterns selected by a pattern selecting means so that the sewing machine is driven only when the presser group and the pattern group is met.

Abstract: A needle thread end holder for a sewing machine having bobbin thread replenishing mechanism in which an annular groove formed in the presser securing screw accomodates a stretched rubber "O" ring so as to apply only a limited frictional resistance to a thread introduced beneath the "O" ring insufficient to abort a bobbin thread replenishing operation.

Abstract: A sewing machine presser foot with a shank and a sole plate wherein the shank carries at its lower end a spherical portion extending into a complementary socket of the sole plate so that the latter is free to swivel about several intersecting axes which pass through the center of the spherical portion. A U-shaped spring couples the sole plate to the shank and limits the extent of movability of the sole plate with reference to the shank, either alone or by cooperating with two transversely extending stubs which are provided on the shank at the opposite sides of the spherical portion and extend, with freedom of vertical movement, into slots which are machined into two lateral walls of the sole plate.

Abstract: A holder for detachably mounting a presser foot in a sewing machine. The holder consists of a holder body and a ruler rod mount. The holder has a longitudinal channel on its rear side for accommodating the ruler rod mount. This configuration is effective in allowing workers to assemble these parts easily and quickly with their fingers.

Abstract: A detachable pressure foot mount to be used in a sewing machine which comprises a hollow solenoid fixed to a holder, which in turn is fixed to a sewing machine push rod, a spring biased drive rod slidingly fitted in a hollow space of the solenoid, and a hold pin connected to the rising end of the drive rod via a joint, and extending to a recess made in the bottom of the holder, to catch a cross rod of the pressure foot when the cross rod fits in the recess in the bottom of the holder.

Abstract: A continuous monogrammer utilizing a peripheral frame to support therein a pair of rollers and drive mechanism therefor to transport a continuous strip of material laterally beneath the sewing machine needle. A bridge straddles the rollers and is slidingly supported on a pair of shafts on opposite sides of the peripheral frame. The bridge is affixed to the sewing machine presser bar so as to elevate the frame and rollers thereby. A second drive mechanism is carried by the bridge and provides an operative connection between the bridge and the peripheral frame so as to move the peripheral frame and the work fabric upon which it rests in the longitudinal direction beneath the sewing needle.

Abstract: An auxiliary device for sewing machines comprises tappets and switches in the coupling parts of the presser foot shaft. The tappets are arranged in accordance with a determined code and they activate a combination of the switches. The switches are connected to an electronic circuit in which the coded information relative to the presser foot is compared with information characterizing the set up of the machine for a desired sewing operation. A display is activated for indicating if both sets of information coincide or do not coincide with each other so that the user knows if the correct presser foot is inserted.

Abstract: A sewing machine in which a presser foot member is detachably or exchangeably mounted to a presser bar. The sewing machine is of a pattern indicator type representing a desired stitch pattern in shape and coloring. The presser foot member is provided with a color indication. Thus, a correct presser foot member corresponding to desired pattern stitch is easily selected for mounting to the presser bar by identifying the coloring of the pattern indicator with the color indication of the presser foot member.

Abstract: A presser foot for a sewing machine is formed of plastic with upstanding spreadable legs including protuberances which snap into countersunk portions of a through hole in a shank to provide a pivotal mounting for the foot on the shank in the machine.

Abstract: A presser foot is disclosed which includes a quick connection and disconnection apparatus for connecting the presser foot shoe thereof to a connecting member which is adapted to be connected to a presser foot bar of a sewing machine utilizing the presser foot. Both the shoe and the connecting member include pairs of supports or limbs which are engaged to each other in a pivotal manner. One engagement is through a biased pin which extends through alignable holes in the supports of the shoe and connecting member to engage and permit quick disengagement of the shoe from the connecting member.

Abstract: The presser foot for a sewing machine is provided with a pair of aligned rollers arranged near the needle dropping hole. The lower end portion of the presser foot holder is connected to the presser foot between the pair of aligned rollers, so that a sufficient downwardly pressing force may be applied on the sewn materials even in the region near the needle dropping hole.

Abstract: A sewing machine is provided for stitching an ornamental stitch produced by an ornamental stitching pattern control arrangement for the purpose of setting the character and pattern of the needle movements. The sewing machine provides a stitching pattern selection device including manipulating select buttons classified according to color, and a presser attachment including a variety of presser feet having color indications corresponding to the color of the select buttons.

Abstract: A sewing machine presser device is provided with a sole plate and with a latching spring which can be snapped into a retaining notch at the rear edge of a shank on the device and easily removed therefrom with only slight pressure applied to the toe end portion of the plate.

Abstract: A sewing machine presser foot is provided with a detachable sole plate connected to the spaced apart arms of a support member by means of a compressible pin assembly secured to the arms and projecting from the sides thereof. The sole plate is provided with inclined flanges on its upper surface and aligned openings beneath the flanges. When the sole plate is moved upwardly toward the support member the projecting ends of the pin assembly are engaged by the ramps and compressed toward each other to permit the projecting ends to engage in the openings in the sole plate upon release of the compressive force on said ends.

Abstract: A finger guard for a sewing machine is disclosed which fastens to the presser bar and protectively encloses a portion of the needle. The finger guard permits an operator to easily remove an arcuately rotatable snap on presser foot without the necessity of disturbing the finger guard.

Abstract: A presser foot for a sewing machine includes a shank detachably connected to a sewing machine presser foot bar. The shank has a transverse slot formed at the bottom thereof and a lug provided with a slit extending rearwardly from the back thereof. A lever is pivotally connected to the lug. A plate bridges both the lug and the lever to hold opposite ends of a torsion spring positioned in the slit of the lug to urge the lever by its biasing force. A rod is connected at its base to the lower end of the lever and movably extends through a longitudinal bore to project into the transverse slot of the shank until a stopper of the rod touches the edge of the bore. A presser foot shoe has a pair of supports for supporting a shaft extending transversely of the shoe and adapted to be received in the transverse slot and retained therein by the forward end of the rod closing the open side of the transverse slot.

Abstract: A zig-zag sewing machine equipped with pattern cams and a pattern cam selection arrangement has a compartment in which various accessories of the sewing machine are accommodated. One lid covers the compartment and another lid overlies the above-mentioned lid, the lids being provided, at their surfaces facing one another, with a table of indicia and with lines connecting the indicia with other indicia provided on a pattern cam selector dial so as to enable the user of the sewing machine to adjust the sewing machine for the particular selected stitch pattern. The lids are mounted for pivoting on a common shaft, and a sliding element is mounted on the shaft for displacement therealong and is visible when the one lid is either open or closed, the position of the slide element being selected in dependence on the selected pattern and also being indicative of the accessory to be used.

Abstract: A supporting member is removably attached to an upright presser bar of a sewing machine, and a zipper foot is attached to the supporting member so as to be removable therefrom. The position of the zipper foot on and with reference to the supporting member can be changed in direction transversely of the upright presser bar of the sewing machine, to thereby make it possible to move the zipper foot to positions in which the sewing machine can be used to sew a zipper, and to a position in which the sewing machine can be used for other work not involving the sewing of a zipper; this eliminates the need for removing the zipper foot at such times when the machine is not used to sew a zipper.

Abstract: Adaptor which fits in operative position onto a presser foot attachment of sewing machines. The adaptor has spaced resilient post members for clampingly engaging the presser foot and has on its undersurface laterally spaced parallel grooves, each having at least one inclined surface for vertically orienting a zipper coupling chain moved relative to the adaptor in the groove.