Abstract: Provided is a double-needle lockstitch sewing machine that can easily sew a fabric rolled into a tubular shape by two rows of lockstitch. The double-needle lockstitch sewing machine includes: a pair of needles (9) that reciprocates in an up-down direction; a pair of loop catchers (40) that is arranged respectively corresponding to the pair of needles (9) and that catch loops of needle threads formed by the needles (9) by rotating about hook shafts (41) extending in the up-down direction; a lower shaft (20) that is disposed in front of the needles (9) and the loop catchers (40) in the cloth feeding direction and extends in the left-right direction and that rotates in conjunction with a main shaft (10) that drives the needles (9); and connecting shafts (30) that extend in the cloth feeding direction and are connected to the lower shaft (20) and the hook shafts (41) in a power transmittable manner to rotate.

Abstract: A sewing apparatus includes a housing, an arm shaft that extends through the housing in a longitudinal direction, a cam member coupled to the arm shaft, the cam member including a front face and a rear face positioned opposite the front face, where the cam member includes a lobe positioned on one of the front face and the rear face, a needle assembly coupled to the housing, the needle assembly including a needle shaft and a needle coupled to the needle shaft, and an arm pivotally coupled to the housing and engaged with the cam member, where the needle assembly is slidably engaged with the arm in a vertical direction and the needle assembly is constrained with respect to the arm in the longitudinal direction and a lateral direction that is transverse to the longitudinal direction.

Abstract: An architectural covering, comprising a rail and a repositionable handle assembly. The rail has a groove. The assembly comprises a handle with a hole for receiving a fastener, and a fastener receiving member. The fastener receiving member is free to slide along the groove when in an undamped state. A fastener is also provided for mechanically connecting the handle to the fastener receiving member and for clamping the handle and the fastener receiving member in a desired position on the rail.

Abstract: Provided is a portable sewing machine. The portable sewing machine has an upper thread part and a lower thread part inside of the sewing machine and an interior structure simplified by defining the inside space of the sewing machine into a sewing needle part, a lever part, a motor part, a power supply part and a pulley part so as to reduce parts, size or weight. The portable sewing machine can be convenient to carry around and to be used without any limitation of places, and adsorption plates (see explanation of terms) are provided to the bottom surface of the sewing machine such that sewing work can be performed at any place where the sewing machine can be attached by means of the adsorption plates.

Abstract: A spool holder on which a thread spool is placeable includes an engagement part detachably engaging a mount which is located on an arm of a sewing machine. In the spool holder, a support located on a rear end of a cover member is detachably attached to the mount. The cover member covers an upper side of a front of the arm and a front side of an upper surface of the arm so that the cover member is capable of opening and closing the upper side of the front of the arm and the front side of the upper surface of the arm. The spool holder is attached to the sewing machine by inserting the engagement part rearward from a front side of the sewing machine into the mount from which the cover member has been detached.

Abstract: A sewing machine module mounted in a sewing machine that includes a feed mechanism, a shuttle mechanism, a frame that covers at least a portion of a side face of the feed mechanism, a portion of a side face of the shuttle mechanism, a portion of a bottom face of the feed mechanism, and a portion of a bottom face of the shuttle mechanism and that supports the feed mechanism and the shuttle mechanism in a state in which a top side of the feed mechanism and a top side of the shuttle mechanism are open, a cover member that is formed into a flat plate shape and that covers the top side of the feed mechanism and the top side of the shuttle mechanism that are supported by the frame, and a joining mechanism that joins the frame and the cover member.

Abstract: In a structure with two oppositely positioned sides, a unibody support apparatus includes a first preformed side support in the approximate form of a “C” and a second preformed side support in the approximate form of a “C”. A side support connector is connected with the first preformed side support and with the second preformed side support such that the side support connector is suspended between and by the first preformed side support and the second preformed side support. And at least one adjustable leg support, connected with the first preformed side support and the second preformed side support, is provided such that the height of the unibody support apparatus may be raised and lowered.

Abstract: A clip for clamping a cloth according to the invention is mounted on an embroidery frame including an outer frame, and an inner frame which is internally engaged with the outer frame thereby to hold a cloth to be worked between the outer frame and the inner frame. The clip includes a leaf spring member which can be detachably mounted on the outer frame, and an urging member which is fitted to this leaf spring member and adapted to press the cloth to be worked onto the inner frame. The leaf spring member has a first engaging portion adapted to be engaged with a lower part of the outer frame from outside, a first plate portion extending upwardly from the first engaging portion, a second plate portion formed in an upper part of this first plate portion by way of a bent portion and downwardly inclined along an inner face of the outer frame, and a second engaging portion formed in this second plate portion and adapted to be engaged with an upper part of the outer frame from inside.

Abstract: A sewing machine main frame includes an upper support member, and a lower support member positioned in substantially parallel relation to the upper support member with a predetermined interval therebetween and integrally joined with each other via a joint member. A supporting leg section is attached to a predetermined position of the main frame to support the main frame in a substantially horizontal orientation at a predetermined height. The main frame and supporting leg section are provided as separate component parts. Because the main frame is constructed of the upper and lower support members integrally joined via the joint member, the main frame and the supporting leg section can be transported to a predetermined assembling place before the supporting leg section is attached to the main frame.

Abstract: In an upright (3) of a sewing machine (1), a thread spool holder (24) is mounted in a recess (13) so that it can pivot out of the recess (13). On this holder, thread spool pins (23) are placed, as well as an arm (35), on whose upper end thread guidance elements (33) are fixed. For use, the cover (15) which covers the thread spool holder (24) in the stowed state is opened, and the thread spool holder (24) is pivoted out from the recess (13).

Abstract: An embroidery machine includes a base and an arm connected to an upright column post on the base. A needle bar is movably connected to the arm and a needle frame is connected to a distal end of the needle bar. A needle unit is connected to the needle frame and removably extends through the holes in a needle plate on a top of the base. An alignment device is connected between the needle bar and the needle frame so that the needle frame can be connected to the needle bar by a guidance of the alignment device.

Abstract: A sewing machine the casing of which has a storage space situated on the side facing the seamstress, in a column connecting a baseplate or a lower arm, containing a mechanism for advancing the fabric and forming the loop, to an upper arm containing the mechanism for actuating the needle bar

Abstract: A sewing machine includes a base portion with an upright portion connected thereto and a hollow horizontal portion connected to the upright portion. At least two reinforcement members are received therein and each of the at least two reinforcement members has a through hole for a shaft extending therethrough. The shaft is connected to a needle assembly. An end adjusting member and a side adjusting member are respectively connected to the horizontal portion and the needle bar of the needle assembly is movably connected to the end adjusting member. The side adjusting member can be adjusted in horizontal direction and the end adjusting member can be adjusted in vertical direction.

Abstract: A handle mounting structure for a sewing machine includes a handle including a grip having both ends provided with a pair of legs having distal ends respectively, two pairs of shaft-like members mounted on the distal ends of the legs, a pair of pivots mounted on either front cover or rear cover for supporting the legs respectively, the pivots having engagement holes either corresponding one of the paired shaft-like members of each leg engages, the handle being slid in a projecting direction of said one shaft-like member before said one of the front and rear covers is mounted to the other of the front and rear covers so that said one shaft-like member is engageable with the engagement hole.

Abstract: a sewing machine frame for a sewing machine including an integral frame member, and reinforcing ribs. The integral frame member is made from a synthetic resin and provides an outer surface defining an external shape and an inner surface providing an internal space. The integral frame member includes a bed portion, a tower portion upstanding from the bed portion, and an arm portion extending from the tower portion in a cantilevered fashion. The reinforcing ribs are provided at substantially entire area of the inner surface for reinforcing the integral frame member.

Abstract: A sewing machine frame having reinforced structure for use in a sewing machine is disclosed. The sewing machine frame has a frame member formed of a synthetic resin and having a bed portion, a tower portion upstanding from the bed portion, and an arm portion extending from the tower portion at a position above the bed portion, the bed portion, the tower portion and the arm portion being formed integrally and providing a concaved peripheral wall defining a stitch working space. The sewing machine frame is characterized by a peripheral wall reinforcing rib protruding from the frame member, the peripheral wall reinforcing rib extending along the peripheral wall and ranging at least from a boundary between the bed portion and the tower portion to a boundary between the tower portion and the arm portion.

Abstract: It is an object of the invention to provide an embroidery sewing machine and a drive device thereof, wherein a cover means is provided to close an opening of a box through which a means for holding an embroidering frame may be protruded out and may be moved for embroidery stitching operation, the holding means being connected to one of a first drive mechanism and a second drive mechanism of the drive device arranged within the box, the first drive mechanism being provided to move the holding means in a first direction and the second drive mechanism being provided to move the holding means in a second direction that is normal to the first direction.

Abstract: A sewing machine frame having a reinforced structure providing a bed, a tower upstanding from the bed and an arm extending from the tower at a position above the bed. The frame is made from a synthetic resin and includes a main frame body and a frame cover attached to the main frame body. The main frame body includes a back panel wall having a first peripheral edge, and a first side wall integrally protruding from the first peripheral edge. The frame cover includes a front panel wall having a second peripheral edge, and a second side wall integrally protruding from the second peripheral edge. The main frame body and the frame cover are coupled by means for couplings formed near the first and second side walls.

Abstract: An apparatus for embroidering surface-shaped sewing material includes an embroidery device which is connected, via an intermediate insertion of a distance adapter, to the column or free arm of a sewing machine. By inserting the distance adapter between the embroidery device and the sewing machine the distance between the embroidery device and the free arm or the column of the sewing machine is increased, which makes it possible to use an embroidery frame having a cross-sectional surface which is significantly greater than an embroidery frame which is able to be used if there was simply a direct connection between the embroidery device and the free arm or column of the sewing machine.

Abstract: A sewing machine frame having a reinforced structure providing a bed portion, a tower portion upstanding from the bed portion and an arm portion extending from the tower portion at a position above the bed portion. The frame is made from a synthetic resin and includes a main frame body and a frame cover attached to the main frame body. The main frame body includes a back panel wall having a first peripheral edge, and a first side wall integrally protruding from the first peripheral edge. The first side wall has a part defining a concaved wall surrounded by the bed, tower and arm portions. First couplings are provided at the back panel wall and are positioned along the concaved wall. The frame cover includes a front panel wall having a second peripheral edge, and a second side wall integrally protruding from the second peripheral edge. The second side wall has a part defining a complementary concaved wall at a position corresponding to the concaved wall of the first side wall.

Abstract: A sewing machine frame having reinforced structure for use in a sewing machine is disclosed. The sewing machine frame has a frame member formed of a synthetic resin and having a bed portion, a tower portion upstanding from the bed portion, and an arm portion extending from the tower portion at a position above the bed portion, the bed portion, the tower portion and the arm portion being formed integrally and providing a concaved peripheral wall defining a stitch working space. The sewing machine frame is characterized by a peripheral wall reinforcing rib protruding from the frame member, the peripheral wall reinforcing rib extending along the peripheral wall and ranging at least from a boundary between the bed portion and the tower portion to a boundary between the tower portion and the arm portion.

Abstract: a sewing machine frame for a sewing machine including an integral frame member, and reinforcing ribs. The integral frame member is made from a synthetic resin and provides an outer surface defining an external shape and an inner surface providing an internal space. The integral frame member includes a bed portion, a tower portion upstanding from the bed portion, and an arm portion extending from the tower portion in a cantilevered fashion. The reinforcing ribs are provided at substantially entire area of the inner surface for reinforcing the integral frame member.

Abstract: A sewing machine cover 2 includes a cover main body 7 and an extension cover portion 8. The cover main body 7 houses a left-right embroidery-frame drive mechanism 60 for driving an embroidery frame 50 in leftward and rightward directions. The extension cover portion 8 houses a front-rear embroidery-frame drive mechanism 80 for driving the embroidery frame 50 in front and rear directions. An opening 35 for engaging with an engagement portion 11 of a bed portion 3 is formed in a wall 31 of the cover main portion 7. When the sewing machine cover 2 is used as a cover of a sewing machine M, a bed surface 12 and an upper surface of the wall 31 form a substantially continuous work surface.

Abstract: A motor unit having a drive motor, a control portion, and a base made of an aluminum die-casting product. The motor unit is fixed to a fixing stand of a sewing machine for driving a drive shaft thereof. The base has a pair of supporting brackets connected to the fixing stand for suspendingly fixing the base to the fixing stand. The base has a plate-like portion. The drive motor is fixed to one surface of the plate-like portion, and the control portion is fixed to an opposite surface thereof. A motor cover made of a synthetic resin is mounted on the one surface for covering the drive motor, and a protection cover made of a synthetic resin is mounted on the opposite surface for covering the control portion. The control portion includes a plurality of electronic components including heat generating elements. The heat generating elements are directly mounted on the base to release heat from the base.

Abstract: A convertible sewing machine utilizes plain-seaming and closed-seaming head assemblies to provide both plain-seaming and closed-seaming functions in a single integral package. The convertible sewing machine includes a housing having opposing ends, a plain-seaming head-assembly disposed at one end of the housing, a closed-seaming head-assembly disposed at the other end of the housing, a drive motor and a drive-coupling assembly for mechanically coupling the drive motor and at least one of the plain-seaming and closed-seaming head-assemblies. The drive-coupling assembly is capable of selectively engaging either, or both of, the head-assemblies. A turntable mechanism can also be included for rotating the convertible sewing machine into several positions of operation.

Abstract: A sewing machine includes a sewing head having a sewing needle to be vertically reciprocally driven, and a shuttle base having a shuttle to be rotatably driven in synchronism with the vertical movement of the sewing needle for forming stitches. A machine frame includes a pair of support posts spaced laterally from each other, an upper frame having greater rigidness for mounting the sewing head thereon, and a lower frame having greater rigidness and disposed below the upper frame for mounting the shuttle base thereon. Each of the upper frame and the lower frame extends between the pair of support posts and is fixed thereto.

Abstract: A vibration control device for a sewing machine capable of actively reducing the vibration generated on a bed of the sewing machine by the rotation of an arm shaft, the vertical reciprocation of a needle bar, and other vibration inducing movement without reducing a mechanical strength of the sewing machine and adopting any complex designs. The vibration control device includes a sync signal generating device for generating a sync signal in synchronism with rotation of the arm shaft, a vibration sensor for detecting vibration generated on the bed, a control unit for setting a transfer function, and a piezoelectric actuator for generating control vibration. A control signal interfering with the vibration detected by the vibration sensor is generated by the control unit so as to minimize a detection signal from the vibration sensor according to the sync signal, the detection signal, and the transfer function.

Abstract: A sewing machine having a substantially U-shaped structure includes a bed section, a barrel section connected to the bed section in a substantially perpendicular fashion, and a bracket connected to the arm barrel section in a substantially perpendicular fashion and extended substantially parallel to the bed section. The bracket includes an opening at an upper surface of the bracket and an arm cover engageable with the upper surface of the bracket for closing the arm opening. The arm cover is substantially flush with the upper surface of the bracket when engaged with the upper surface.

Abstract: The present invention is an ultrasonic cylinder arm machine which includes a combination of the use of ultrasonics with a cylindrical arm that extends out from the ultrasonic unit and back toward the horn of the ultrasonic unit whereby the machine is especially suited for the manufacture of tube shaped or cylindrical shaped articles such as trouser legs and long sleeved shirt sleeves.

Abstract: A guard device for sewing machine disposed on a table composed of a first or fixed covering for covering over a lower portion of a belt, and a second or movable covering adapted to shield the belt other than that covered by the first covering. The first covering is provided with an open space or opening defined by its side walls and a lid hingedly mounted on a finger or engageable portion of a wall member of the first covering as to be self-opening or self-closing when a head of the sewing machine is in a collapsed position or in an upright position.

Abstract: A semiautomated sewing station includes an improved frame in which the stationary bed of the x-y positioner is mounted directly on coplanar machined members. The x-y positioner has a vertically movable sewing clamp which eliminates angular readjustment of the clamps when they are changed. The x-y positioner also includes a redesigned sewing clamp arm which is considerably more rigid than the prior art arm and which allows very rapid stitching, even when moving the sewing clamp arm in a non-linear manner. A quick change sewing clamp and quick change workpiece preparation group, such as a folding group, allow the operator to change the operation of the device in a rapid, convenient manner.

Abstract: A sewing machine includes a pair of rods slidably disposed in the base, the rods are parallel with each other, an accessory box having two or more protrusions extended downward for fixing to the rods such that the accessory box moves in concert with the rods, the accessory box is movable inward and outward of the base in order for accommodating accessories of the sewing machine.

Abstract: A horizontal spool pin supporting device for a sewing machine comprising a spool pin having a spool mounting portion and a swingingly guided portion. An upper cover for covering the upper portion of the sewing machine body has a recess which has an opening on one of the vertical side walls and is capable of receiving the spool mounting portion of the spool pin together with the spool while it is mounted thereon. A spool pin guiding portion is defined b the opposing side surfaces of vertically extending two projections disposed on the back side of the side wall and is integrally formed with the upper cover. The swingingly guided portion of the spool pin, when it is inserted into the opening, is swingable and is guided by the spool pin guiding portion while the upper edge portion of the opening serves as a fulcrum for the turning of the spool pin.

Abstract: A sewing machine wherein the frame consists of a structure which forms one of the elements of the machine's housing and supports a strong framework which is movably attached to the structure by means of a plurality of clips which resiliently grip securing devices fastened to pairs of ridges which are part of the structure and receive the clips between them.

Abstract: For controlling the movement of the rotating shuttle and the feed plate and the positioning of the workpiece supporting arm of a stitching machine, a transmission and balancing mechanism comprised of an arm body unit which has one end pivoted to the machine body of a stitching machine and an opposite end coupled with a stitching last and attached with a front cap for supporting a stitching workpiece, a transmission unit fastened inside the arm body unit to alternatively rotate a rotating shuttle back and forth through a belt transmission, an oscillating unit fastened in the arm body unit to alternatively rotate a feed plate holder back and forth permitting a feed plate to be constantly aligned with the needle bar, and a balancing unit which comprises a counter weight coupled to a cam shaft to balance the movement of the arm body unit.

Abstract: In this sewing machine, in which the amplitude and direction of the feeding of the fabric to be sewn are controlled by an electric motor slaved to an electronic pilot-control circuit, the bobbin (16), its drive mechanism (17, 19, 10) and the drive mechanism (4*-17*) for feeding the fabric to be sewn are mounted on an intermediate support (6) that is solid with the body of the motor (11), which is attached to the frame (2) of the machine by a sleeve (23) engaging the inside of the lower arm of the frame.

Abstract: A sewing machine having a composite frame includes plastic structure forming a support base of the machine and carrying a strong U-shaped framework detachably mounted by clamps. The branches of the U-shaped framework form respectively a part of a first and a second arm, the arms being horizontal and superpositioned and projecting out from the side of a column. The drive mechanism for the needle bar of the machine and the mechanism for feed of the sewing material and for the loop pick-up device are respectively associated with these arms.

Abstract: A sewing machine has a front operating panel secured thereto and a pattern selecting device. A pivotable pattern table is mounted on the lower end of the operating panel and an inside surface of the pattern table has a pattern indicating device. The pattern table is rotatable from a closed position in which an outside surface is flush with the outside surface of the operating panel and into an open position in which its outside surface is resting on the sewing machine frame so that both the pattern indicating means and pattern selecting devices are simultaneously visible to a machine operator. The pattern table is pivotably supported on a shaft supported in a bearing located at the lower end of the operating panel.

Abstract: An electronic sewing machine comprises two tables of ideograms corresponding to the patterns capable of being sewn by the machine. One of these tables is carried by the front face of the casing of the machine and the other by the bottom of a pivoting cover capable of occupying two end positions. One of these end positions is a raised end position, in which the user may view the ideograms of the cover, and the other is a lowered end position, in which the cover is closed over on the casing of the machine and covers up the first of the tables of ideograms, the second also being likewise out of sight.

Abstract: A sewing machine has a bed housing having a needle penetrating hole at one end thereof, an arm housing rising from the other end of the bed housing and extending to the one end of the bed housing over the bed housing, a laterally-long needle bar arm rotatably held in the arm housing and having a needle at the front end thereof, and a drive unit for swinging the needle bar arm with respect to the bed housing accommodated in the bed housing. The arrangement of the laterally-long needle bar arm and the drive unit accommodated in the bed housing, can effectively reduce the overall height of the sewing machine. It further reduces the weight and cost of the sewing machine, since no conventional material, such as cast iron having a heavy weight is used and die cast aluminum associating with a higher cost, may be employed for producing the arm housing.

Abstract: A sewing machine is provided with a carrying handle movably received at the housing and connected with at least one thread guiding element. The thread guiding element is arranged so that the work to be performed on the sewing machine is favored by its position and access to the carrying handle is not hindered even in the threaded state. The thread guiding element is moved with the carrying handle by a drive mechanism associated with the carrying handle when the handle is moved from an inactive position in the housing to its carrying position the thread guiding element executes a relative movement thereto from its sewing position to its threading position.

Abstract: A housing for a sewing machine which has a base portion, an upright portion extending upwardly from the base portion and an arm portion extending outwardly from the upright portion and overlying the base portion comprises a housing construction extending over said portions having flat outer surfaces, and means defined on said surfaces for affixing attachment units.

Abstract: A sewing machine frame and cover construction and fastening means for securing a warped cover in place over a frame opening without imparting frame distorting stresses. To obviate imparting stresses to the sewing machine frame as result of clamping a warped cover thereto, surfaces are provided at locations on the frame and cover chosen so that the surfaces engage simultaneously in spaced localized areas when the warped cover is positioned loosely over the frame opening. Fastening means located within the localized areas of engagement of these surfaces clamp the cover securely in place without disturbing the warp.

Abstract: An acoustical shield assembly and mating thread preguide unit include a series of acoustically insulated panels that substantially surround a sewing machine so as to be operative in attenuating any generated noise. A portion of the top panel, including a downwardly extending flange, is hinged to move between an opened position allowing access to the sewing machine and a closed position for mating with the preguide unit. The preguide unit is mounted to the sewing machine by a pair of adjustable mounting rods and includes two face plates spaced apart by means of a pair of spacer posts. Each face plate includes eyelets between the spacer posts for the passage of thread to the sewing machine. When the hinged portion of the top panel is closed, an elongated opening is formed between the downwardly extending flange and the top edge of the adjacent rear side panel of the shield assembly.

Abstract: A skeletal frame sewing machine construction in which stitch forming instrumentalities supported on the skeletal frame are brought into cooperative relation by a combination of positioned adjustments of the instrumentalities on the skeletal frame and the influence of selective compensating forces developed between the skeletal frame and exterior casing parts.

Abstract: A sewing machine bed which, because an open channel is required to accommodate a preassembled operating mechanism module, is reinforced to minimize objectionable deflection by reinforcing ribs formed on a cover plate and rigidly connected to reinforcing bosses on the sewing machine bed when the cover plate is secured thereon.

Abstract: A sewing machine is shown and described which embodies a new configuration of a toy sewing machine. Many of the features shown are of a detail previously known only to operational models.

Abstract: A sewing machine is secured to the platform of a sewing cabinet with a machine connected stud and a wing nut which is threaded on the stud and is permitted to turn only a limited amount so as to prevent excessive force from being applied to the machine.

Abstract: A sewing machine frame is comprised of a vertical support member, a horizontal arm, and a horizontal cantilevered base member, each of which is comprised of a hollow, rectilinear aluminum extrusion. The vertical support member is secured to a horizontally disposed base and the arm and bed may be secured to a side of the vertical support member or the vertical support member may be divided into first and second portions with the first portion interposed between the arm and the bed and the second portion being interposed between the bed and the base. In the latter construction, common bolts secure the arm, the bed, the base, and the first and second portions of the vertical support member together as a unitary assembly.

Abstract: A control mechanism is attached to a sewing machine frame with a bayonet type connection including a slotted plate on the control mechanism and a spring biased pin which is axially movable in the frame and is extendable through an enlarged one end portion of a slot in the plate. The pin includes an enlargement which, when the plate is turned is caused to enter an opposite end portion of the slot and lock the control onto the frame.