728results about "Feeders" patented technology

Individual motors in a sewing machine of the invention are provided, for each of a plurality of machine heads, for individually driving respective mechanical components, such as a needle bar driving mechanism, thread take-up lever and presser foot mechanism. A plurality of rotary hooks are driven by a common motor. Even in a case where embroidering workpieces set on the individual machine heads differ in material between the heads and upper threads used for the machine heads differ in characteristic between the heads, the sewing machine can make, in a concurrent, parallel fashion, embroidery products of different texture suited for the respective materials, characteristics, etc., by setting independent stitch formation per machine head.

An embroidery machine includes a sewing arm having an upper shaft for providing a driving force, a needle bar support case, which is assembled to a front portion of the sewing arm so as to be laterally movable, a needle bar provided in a needle bar support case, the needle bar having a needle at a lower end thereof and vertically carrying the needle using a rotation driving force of the upper shaft, and a presser foot, which is provided in the needle bar support case so as to be vertically movable, characterized in that each of the needle bar and the presser foot is operated by an individual drive mechanism. The presser foot is separately driven by its own drive source, independent of the drive source of the needle bar.

A machine for producing loom-woven fabrics decorated by embroidery or by applying decorative elements, comprising a first working station, and a second working station, with at least one head for embroidering and/or for applying decorative elements to the sheet of fabric produced in the first working station. The sheet longitudinal advancement elements for supporting the sheet of fabric on a working surface that is substantially horizontal at least at the second working station, and a movement device for moving the head for embroidering and/or for applying decorative elements along at least one direction transversely to the advancement direction of the sheet of fabric on the working surface.

The invention discloses a presser foot independent driving mechanism for an embroidery machine, which comprises a main driving shaft, a presser foot cam and a presser foot rod. The main driving shaft is horizontally installed on the embroidery machine and is driven by a driving device to rotate; the presser foot cam is arranged in a nose of the embroidery machine, sleeved on the driving main shaft and connected with a rocker, and the rocker is movably connected with a presser foot driving slider through a small connecting rod; and the presser foot rod is arranged on the nose of the embroiderymachine, the top of the presser foot rod is fixedly sleeved with a connecting base with two hole positions, a needle rod is sleeved in the other hole position of the connecting base, a needle rod joint is arranged at the top of the needle rod, a spring is sleeved outside the needle rod and is arranged between the connecting base and the needle rod joint; a presser foot is arranged at the lower part of the presser foot rod, and the presser foot driving slider is connected with the bottom surface of the connecting base on the presser foot rod in a separable way. The invention has reasonable structure, is convenient for embroiling thick materials, can improve embroidery quality and prolong the service life of the whole embroidery machine. The presser foot independent driving mechanism can bewidely applied to embroidery machines.

The invention discloses a sewing machine embroidering frame moving device. The sewing machine is equipped with a workbench for placing CAB embroidering frame and an auxiliary workbench for supporting the fabrics connected on the workbench. The device comprises: an embroidering frame mounting-demounting component for mounting and demounting the embroidering frame; a embroidering frame replacing component connected with the embroidering frame mounting-demounting component capable of making the embroidering frame connected with the embroidering frame mounting-demounting component reciprocate between the workbench and one of the side workbenches disposed on both sides of the workbench; an embroidering frame X axis direction moving component to control the embroidering frame to move along the X axis on the workbench; a Y axis direction moving component for control the embroidering frame to move along the Y axis on the workbench; and a control component for controlling the operations of above mentioned components.

The present invention relates to a sewing box replacing device, a driving method thereof and a sewing machine comprising the sewing box replacing device. The sewing box replacing device of the invention comprises sewing boxes used for fixing the above sewed objects and arranged in a Y-shaft direction on the upper surface of a workbench; a Y-shaft conveying unit conveying the sewing boxes to the Y-shaft to execute the sewing performance, conveying the finished sewing boxes backwards at the same time, and conveying the to-be-sewed sewing boxes to a head side to execute the sewing performance to thereby realize the replacement of the sewing boxes. By replacing the sewing boxes automatically, even though a lot of sewing performance is executed, the sewing box replacement time can be shortened substantially, and the work efficiency is improved substantially; by spacing a Y-shaft driving part of the sewing machine apart from a bottom frame, the work region towards Y-shaft direction ( the front and back length directions) can be expanded without limited by the size of the sewing machine, so that the sewing box replacing device, the driving method thereof and the sewing machine have the effects of sewing large-scale sewed objects.

A clutch structure for a presser foot in an embroidery sewing machine is provided. The clutch structure includes a guide member, to which the presser foot drive link is rotatably connected, and through which the needle bar guide shaft passes, a spring connecting member mounted on the outer circumference of the needle bar guide shaft and inside the guide member, a resilient member mounted on the outer periphery of the spring connecting member, and a pivot member mounted inside the guide member so as to be pivotable around the needle bar guide shaft within a certain angular range by the height adjusting mechanism and the resilient member. Upon a head-interval adjusting operation, the unnecessary driving of the presser foot is prevented, so that the occurrence of vibrations and noise as well as the unnecessary wear of a needle bar, a presser foot support, and a presser foot holder can be prevented.

An apparatus for lifting the presser foot of an embroidery machine includes an arm having an upper shaft providing a driving force, a presser foot driving cam mounted on the upper shaft, a transmission member coupled to the presser foot driving cam and making an oscillating motion, a presser foot driving lever connected to the transmission member and pivoting around a predetermined pivoting point thereof in a vertical direction, a presser foot driving block reciprocating along a needle bar guide shaft according to an amount that the presser foot driving lever is pivoted and moving the presser foot in a vertical direction, and a presser foot height adjustor, displacing the pivoting point of the presser foot driving lever to adjust a height of the presser foot.

A sewing machine with an embroidery stitching function is disclosed, wherein a needle is vertically reciprocated to form stitches on a work held by an embroidering frame (19) which is moved in X-Y directions by a frame moving device relative to the needle on a working surface (2a) of a working bed (2), the frame moving device being composed of composed of a first mechanism (A) for moving said embroidering frame in the Y direction and a second mechanism (B) for moving the embroidering frame in the X direction, the first mechanism (A) being located on the working surface and connected to the embroidering frame (19) and the second mechanism (B) being housed in the sewing machine, the first mechanism (A) being moved by the second mechanism (B) to one end of the working bed (2) where the first mechanism (A) is rotated to a retreated position at the time of carrying out the ordinary stitching operation.

An electrooptical apparatus includes a light emission element array in which a plurality of light emission elements are arranged, and a barrier rib which surrounds the light emission element array.

Packaging is used to store articles to be customized by methods including embroidery, wherein the packaging includes at least two portions defining a window, and wherein the two portions of the packaging hold a portion of the article, for example a fabric panel, taut across the window so that the portion of the article may be embroidered by an embroidery machine while retained by portions of the packaging. The packaging may be in the form of a box during embroidery, or may be converted into the form of a box after embroidery.

A device for use with an embroidery machine to hold an item or material to be embroidered between upper and lower hooping members, with the hooping members being secured to one another by use of a magnetic force, preferably with rare earth magnets, is disclosed. The magnets provide a solid, secure mating arrangement between the upper and lower hooping members without the need to adjust for different thicknesses of material. Compressible and/or frictional material may be attached to at least one hooping member to securely retain the item or material to be embroidered. One hooping member has interchangeable arms for attaching the mating hooping members to different brands of embroidery machines. One hooping member may also include a locating device for attaching the hooping members to a hooping device such as a hooping board.

An embroidery machine can simultaneously embroider sewing objects having various shapes, including a flat object, an object having a shape of a usual processed cloth, an object having a shape of a cap, etc. The embroidery machine comprises a plurality of sewing heads grouped into at least two working groups, and the embroidering frames, each of which is arranged for one of the working groups. The embroidering frames have structures either identical to each other or different from each other. Therefore, one conventional embroidery machine can simultaneously embroider more than one kind of sewing objects, including at least two of a flat sewing object, a tubular sewing object, and a cap-shaped sewing object.

Disclosed is a cloth tensioning apparatus in an embroidering machine (A), which includes nipper units (26) to be moved forward and rearward and leftward and rightward by LM guides (18, 20), sensors (28, 30) for determining a forward and rearward movement distance of the nipper units (26), and pressure members (32) having pressure portions (32a) located inside the nipper units (26). Thereby, an embroidering operation is performed in a state wherein the nipper units (26) seize the cloth (B) while continuously applying a tension in an X-axis direction of the cloth (B). The embroidering operation is temporarily stopped if the nipper units (26) are deflected forward, and the nipper units (26) are returned in a state wherein the cloth (B) is tensioned by the pressure members (32). The nipper units (26) are again operated to seize the cloth (B) at their returned positions. As a result, a constant tension is continuously applied even in the X-axis direction of the cloth (B) during the embroidering operation.

The invention relates to an all-in-one sharing embroidery machine that shares a main transmission shaft, integrates braid embroidery, flat embroidery and spangle embroidery and adopts the same transmission shaft for control, which solves the defects that the prior art needs a plurality of transmission shafts and has complicated structure and large size. The embroidery machine is mainly characterized in that a braid embroidery module, a flat embroidery module and a spangle embroidery module are fixed on an overall frame, arranged on a chassis by a back transmission seat and connected with the main transmission shaft so as to share the same main transmission shaft; the overall frame is divided into a braid embroidery module frame and a flat embroidery module frame; the braid embroidery module comprises a strip rotating mechanism, a braid wobbler mechanism, a presser foot height controlling mechanism and a pricker stretching and drawing control mechanism; each mechanism is provided with an independent driving device, integrated as a whole and connected by the transmission seat, thereby sharing the same main transmission shaft, having simple structure and conveniently reducing size and switching between embroidery methods of various characteristics.

A cap frame drive assembly and method provides for a quick and easy setup for embroidering, sewing or stitching on curved articles such as baseball caps. The preferred form of the cap frame drive assembly utilizes a pair of cam mechanisms to affix the drive frame to the pantograph while a conventional belt attached to a rotational drive platform affixed to the pantograph rotates the drive cylinder during sewing.