Brother Kogyo Kabushiki-kaisha

Yuki Ihira

Yoshinori Nakamura

Yoshio Nishimura

Yutaka Nomura

Akie Shimizu

Daisuke Abe

Satoru Ichiyanagi

Satoru Makino

Manami Ota

Hirokazu Hirose

Hidenori Oka

Kenji Yamada

Yasuhiko Kawaguchi

Takahira Osamura

Takashi Hirata

Midori Magara

Ryutaro Maki

Tomotaka Katano

Masayuki Iwata

Osamura Takahira

A multi-needle sewing machine includes a plurality of needle bars, a needle bar case having a thread supply path along which threads are supplied to needles attached to lower ends of the needle bars respectively, the needle bar case supporting the needle bars, an arm on which the needle bar case is mounted, an embroidery frame located below the needle bar case and configured to hold a workpiece cloth, a projector configured to project an image onto the workpiece cloth from above the embroidery frame, and a support member supporting the projector and configured to be capable of switching the projector between a first position where the image is projectable onto the workpiece cloth and a second position differing from the first position.

Multi-needle sewing machine

An embroidery data generating device has a hole data acquisition portion, an embroidery data acquisition portion, a polygon acquisition portion, a line segment generating portion and a bridge data generating portion. The hole data acquisition portion acquires hole data to form a hole in a sewing workpiece. The embroidery data acquisition portion acquires embroidery data corresponding to an embroidery pattern that is arranged on the inside of the hole. The polygon acquisition portion acquires a minimum polygon that encompasses the embroidery pattern, based on the acquired embroidery data. The line segment generating portion generates a line segment that joins the polygon and a peripheral edge portion of the hole. The bridge data generating portion generates bridge data to form bridge stitches between the embroidery pattern and the peripheral edge portion of the hole, based on the generated line segments.

Embroidery data generating device and non-transitory computer-readable medium storing embroidery data generating program

A sewing machine includes a detection unit configured to detect a moving direction of an object when the object placed on a sewing machine bed is moved in any direction, a cutting needle having a distal end formed with a blade edge and configured to form a cut in the object, an up-down drive mechanism configured to reciprocate the needle in an up-down direction, a rotational drive mechanism configured to rotate the needle about a rotation axis line of the needle, and a control device configured to control the up-down drive mechanism and the rotational drive mechanism based on a result of detection by the detection unit so that an orientation of the blade edge is changed according to the moving direction of the object and the needle is reciprocated to form the cut in the object with the blade edge being in the changed orientation.

Sewing machine

A sewing machine includes a carriage, a storage portion, a display portion, and a control device. A plurality of types of an embroidery frame is configured to be removably mounted on the carriage. The embroidery frame is capable of holding a work cloth. The carriage is capable of moving the embroidery frame parallel to two intersecting axes. The storage portion is configured to store a plurality of sizes of the work cloth that respectively correspond to the plurality of types of the embroidery frame. The display portion is configured to display information relating to at least sewing. The control device is configured to read, from the storage portion, the sizes of the work cloth that respectively correspond to the types of the embroidery frame. The control device is also configured to cause the display portion to display the sizes of the work cloth that have been read.

Sewing machine and non-transitory computer- readable medium storing sewing machine control program

A sewing machine includes at least one ultrasonic wave detecting portion, a thickness detecting portion, a processor, and a memory. The at least one ultrasonic wave detecting portion is configured to detect an ultrasonic wave. The thickness detecting portion is configured to detect a thickness of a work cloth. The memory configured to store computer-readable instructions that instruct the sewing machine to execute steps that includes identifying a position, on the work cloth, of a transmission source of the ultrasonic wave, based on information pertaining to the ultrasonic wave that has been detected by the at least one ultrasonic wave detecting portion and on the thickness that has been detected by the thickness detecting portion, and controlling sewing on the work cloth based on the position of the transmission source that has been identified.

Sewing machine and non-transitory computer-readable medium storing sewing machine control program

A sewing machine includes a sewing portion, a display, a processor, and a memory. The sewing portion is configured to perform sewing on a sewing workpiece. The memory is configured to store computer-readable instructions. The computer-readable instructions, when executed by the processor, cause the sewing machine to perform processes that include determining a plurality of first positions based on embroidery data, causing the display to display an image showing an embroidery pattern and a plurality of feature points superimposed on the image, identifying one of the plurality of first positions indicated by one of the plurality of feature points displayed on the display, identifying, as a second position, an arbitrary position on the sewing workpiece, changing positions of a plurality of stitches identified by the embroidery data, and causing the sewing portion to sew the plurality of stitches based on the changed positions of the plurality of stitches.

A sewing machine includes a frame support portion, a detecting device, a detecting device, a processor, and a memory. The frame support portion is configured to be detachably mounted with a selected one of a plurality of embroidery frames whose types are different from each other. Each of the embroidery frames has a holding portion. The detecting device is configured to detect the type of the embroidery frame mounted on the frame support portion. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes comprising, setting a sewing area inside the holding portion, by setting a size of the sewing area, as well as a position and an angle of the sewing area, identifying an embroidery pattern to be sewn on the sewing workpiece, and setting a layout of the identified embroidery pattern, corresponding to the sewing area.

Sewing machine and embroidery frame

A sewing machine that includes a processor, a plurality of detection devices that is configured to be capable of changing mounting positions and configured to detect an ultrasonic wave, and a memory that is configured to store computer-readable instructions that instruct the sewing machine to execute steps comprising, identifying, when a first ultrasonic wave transmitted from a transmission source of the ultrasonic wave is detected by the detection devices, a position of the transmission source of the first ultrasonic wave, based on information relating to the detected first ultrasonic wave, and controlling sewing based on the identified position of the transmission source of the first ultrasonic wave.

Sewing machine and non-transitory computer readable storage medium storing program

A sewing machine includes a bed, a sewing device, a projection portion, an item detection portion, and a control portion. The sewing device includes a needle bar and a feed portion that moves a work cloth. The projection portion projects, onto at least one of the bed and the work cloth, a projected image that includes at least one operation item that indicates an operation of the sewing device. The item detection portion detects whether a user's finger has touched a location, on the at least one of the bed and the work cloth onto which the at least one operation item is being projected by the projection portion, where one of the at least one operation item is being projected. The control portion operates the sewing device in accordance with the operation item that has been detected by the item detection portion.

Sewing machine and non-transitory computer-readable medium storing computer-readable instructions for the sewing machine

A sewing machine includes at least one detecting portion, a processor, and a memory. The at least one detecting portion is configured to detect an ultrasonic wave that has been transmitted from a transmission source. The memory is configured to store computer-readable instructions that instruct the sewing machine to execute steps including identifying a position of the transmission source of the ultrasonic wave based on information pertaining to the ultrasonic wave that has been detected by the at least one detecting portion, and controlling sewing based on the position of the transmission source that has been identified.

Sewing machine, embroidery unit, and non-transitory computer-readable medium storing sewing machine control program

An information processing device includes a processor and a memory. The memory is configured to store computer-readable instructions. The instructions instruct the information processing device to execute steps including randomly arranging a plurality of embroidery patterns within a coordinate area set in an embroidery frame that is moved in two directions.

Information processing device, sewing machine and non-transitory recording medium storing program

A sewing machine includes a sewing portion, a detector, a processor, and a memory. The sewing portion includes a needle bar and a transport portion. The needle bar is configured to have a sewing needle on a lower end. The transport portion is configured to move a work cloth. The detector is configured to detect ultrasonic waves. The memory stores computer-readable instructions that instruct the processor to perform specifying a position of a transmission source of the ultrasonic waves based on the ultrasonic waves that are detected by the detector, specifying sewing information based on the specified position of the transmission source, the sewing information being information that pertains to sewing, and controlling the sewing portion based on the specified sewing information.

An upper feed device is configured to be arranged above a bed of a sewing machine and feed a work cloth. The upper feed device includes a feed portion, a mechanism arrangement portion, and a drive portion. The feed portion includes a first feed mechanism and a second feed mechanism and is configured to feed the work cloth in a feed direction. The first feed mechanism and the second feed mechanism are arranged side by side in a first direction, which is parallel to a top surface of the bed and orthogonal to the feed direction. The mechanism arrangement portion is configured to arrange the first feed mechanism and the second feed mechanism in different positions in a second direction, which is orthogonal to the top surface of the bed. The drive portion is configured to drive the first feed mechanism and the second feed mechanism in synchronization.

Upper feed device and sewing machine

A sewing machine that includes a sewing device that includes a needle bar configured to attach a sewing needle, and a transport device configured to move a work cloth, a processor, a plurality of detection devices that are configured to detect ultrasonic waves, and a memory that is configured to store computer-readable instructions that instruct the sewing machine to execute steps comprising specifying, when an ultrasonic wave transmitted from a transmission source of the ultrasonic wave is detected by the detection devices, a position of the transmission source of the ultrasonic waves, based on the detected ultrasonic waves, specifying a sewing position on the work cloth based on the specified position of the transmission source, and moving the work cloth by the transport device in accordance with the specified sewing position.

A data generator includes a memory and a processor. The memory may store a plurality of predetermined colors. The processor may control the data generator to determine a characteristic of a color-based pattern portion, and to assign a color for each of the plurality of color-based pattern portions based on the characteristic. The plurality of the color-based pattern portions may be included in an embroidery pattern. The assigned color may be selected randomly from the plurality of predetermined colors stored in the memory and used as thread color data.

Growing community of inventors

Kakamigahara, Japan

Yuki Ihira