Brother Kogyo Kabushiki-kaisha

Yoshio Nishimura

Yoshinori Nakamura

Satoru Makino

Yuki Ihira

Yutaka Nomura

Akie Shimizu

Daisuke Abe

Satoru Ichiyanagi

Hirokazu Hirose

Masaki Shimizu

Akie Ukai

Kazumi Sai

Manami Ota

Hidenori Oka

Eiichi Hamajima

Eiichi Ito

Chikahisa Noguchi

Toshihiro Hanai

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

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 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 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

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.

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 sewing machine includes a sewing device, a processor, and a memory. The sewing device is configured to form stitches on a sewing workpiece. The memory is to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes including acquiring embroidery data, generating stitched marker data, causing the sewing device to sew the at least one stitched marker, causing the sewing device to start sewing an embroidery pattern, identifying a pattern to be sewn when the sewing of the embroidery pattern is stopped, detecting at least one of a second sewing position and a second sewing angle when the sewing of the embroidery pattern is stopped, setting at least one of a third sewing position and a third sewing angle, correcting data to be used to sew the pattern to be sewn, and causing the sewing device to restart sewing the embroidery pattern.

Sewing machine and non-transitory computer-readable medium

A sewing machine includes a detector configured to detect ultrasonic waves transmitted from a specification-enabled area, a processor, and a memory storing non-transitory computer-readable instructions that instruct the sewing machine to perform specifying a prescribed position based on a positional relationship between a transmission area and the specification-enabled area, the transmission area being an area that is at least a portion of a sewing-enabled area and being an area that includes a position of a transmission source that transmits the ultrasonic waves, the prescribed position being a position of an embroidery frame when the entire transmission area is included in the specification-enabled area, moving the embroidery frame to the specified prescribed position, specifying a transmission position based on the ultrasonic waves that are detected by the detector, and performing a sewing operation based on the specified transmission position.

A sewing machine includes a control portion that controls a thread tension adjustment portion and a feed portion such that a first stitch and a second stitch are formed alternately on a sewing object. The first stitch includes only a stitch in which an interlacing point of the upper thread and a bobbin thread is lower than a top surface of the sewing object. The second stitch includes at least one set of a first section and a second section. The first section is a section in which the interlacing point and the bobbin thread are pulled out, by the thread tension, in the first direction on the top surface of the sewing object. The second section is a section in which the bobbin thread is pulled out in the second direction, and at least part of the second section overlapping with the first section.

A sewing machine capable of mode switching between a normal sewing mode and a free motion sewing mode including a feed dog switcher that switches a feed dog between an active state in which the feed dog is moved above and below a needle plate and an inactive state in which the feed dog is lowered below the needle plate, a first instruction issuer that instructs execution of fastening stitching at a beginning of pattern sewing sequence, a second instruction issuer that instructs execution of fastening stitching at an end of pattern sewing sequence, and a controller that, when in the free motion sewing mode, activates the feed dog by the feed dog switcher in response to an incoming instruction signal from the first or the second instruction issuer to execute fastening stitching through control of feed dog based on fastening stitching data to longitudinally feed a workpiece cloth.

Sewing machine and computer readable medium storing a fastening stitch processing program

A sewing machine that sews a work cloth being moved by a user includes a detection device that detects the work cloth, a movement calculation device that calculates movement data of the work cloth, a movement data storage device that stores the movement data, a movement data creation device that causes the detection device and the movement calculation device to respectively detect the work cloth and calculate the movement data for each stitch, and that stores the movement data into the movement data storage device, a line segment specification device that specifies a line segment based on the movement data, a determination device that determines whether a stitch to be formed next will overlap with an already formed stitch corresponding to the specified line segment, and an error control device that performs an error correction operation based on a determination result.

Sewing machine and computer-readable recording medium storing sewing machine control program

A sewing machine for a user to perform sewing while moving a work cloth includes: a detecting device that detects the work cloth; a movement calculating device that calculates, by two-dimensional coordinate data, a movement direction and a movement quantity of the work cloth between previous detection and current detection of the work cloth when the work cloth is detected; a movement data storage device that stores movement data serving as two-dimensional coordinate data indicative of the movement direction and the movement quantity; a movement data creating device that detects the work cloth on a one by one needle basis of sewing, calculates the movement data, and stores the calculated data in the movement data storage device; a cloth feed mechanism that moves the work cloth; and a reproduction sewing control device that performs sewing while moving the work cloth based on the movement data stored in the movement data storage device.

Sewing machine and computer-readable recording medium with recorded sewing machine control program

A sewing machine including a needle bar; a sewing needle attached to the lower end of the needle bar; a needle bar drive mechanism vertically driving the needle bar; a presser foot capable of applying releasable pressure on a workpiece cloth and that releases the pressure to allow manual movement and sewing of the workpiece cloth; a regulatory needle including a tip and being capable of assuming a pierced state where the tip is pierced through the workpiece cloth and a non-pierced state, wherein the regulatory needle is moved along with the workpiece cloth while retaining the pierced state of the tip; a regulatory needle drive unit vertically driving the regulatory needle between the pierced state and the non-pierced state in coordination with vertical movement of the sewing needle; and a regulatory needle regulator limiting horizontal movement of the regulatory needle so as not to exceed a predetermined stitch pitch.

Growing community of inventors

Nagoya, Japan

Yoshio Nishimura