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Tokyo Juki Industrial Co., Ltd. Patents
Assignee:
Tokyo Juki Industrial Co., Ltd.
Address:
Tokyo, JP
No. of patents:
102
Patents:


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Patent Number Title Of Patent Date Issued
D310086 Sewing machine August 21, 1990
D301485 Printer June 6, 1989
D301152 Printer May 16, 1989
D298330 Sewing machine November 1, 1988
D298044 Sewing machine October 11, 1988
D298043 Sewing machine October 11, 1988
D297941 Sewing machine October 4, 1988
D288096 Printer February 3, 1987
D287973 Serial printer January 27, 1987
D287596 Printer January 6, 1987
D287595 Serial printer January 6, 1987
D286054 Sewing machine October 7, 1986
D283824 Printer May 13, 1986
D281434 Typewriter November 19, 1985
D281252 Electronic typewriter November 5, 1985
D281251 Electronic typewriter November 5, 1985
D279677 Printer July 16, 1985
4928612 Automatic sewing machine exclusively used for sewing zipper on workpiece May 29, 1990
This invention relates to an automatic sewing machine exclusively used for sewing a zipper on a workpiece and its related art. The automatic sewing machine exclusively used for sewing a zipper on a workpiece comprises a sewing machine (10, 20) capable of at least sewing linearly, a drive
4892049 Automatic sewing machine exclusively used for sewing zipper on workpiece January 9, 1990
This invention relates to an automatic sewing machine exclusively used for sewing a zipper on a workpiece and its related art. The automatic sewing machine exclusively used for sewing a zipper on a workpiece comprises a sewing machine (10, 20) capable of at least sewing linearly, a drive
4887922 Paper feeding device for printers December 19, 1989
A paper feeding device for a printer provides presser rollers which are located on a normal line drawn from center of a platen to a tangential line drawn from circumference of a sprocket wheel to a platen circumference. Thus, papers are stiffened and stable paper feeding is maintaine
4870918 Method for setting a workpiece correctly on a skirt-zipper sewing machine October 3, 1989
The disclosed method and apparatus for setting a workpiece correctly on a skirt-zipper sewing machine provides a pair of pressing plates which are positioned at the center of a zipper when the plates are lowered and which press the material of the workpiece and the zipper to be sewed to
4863295 Printer platen motor controller September 5, 1989
A printer which is so constructed as to automatically detect deviation of a printing type when a deviation detecting command signal is detected and to automatically adjust paper feed immediately after a pause mode is released.
4858541 Apparatus for terminating the last stitch at a predetermined point August 22, 1989
An apparatus for terminating the last stitch at a predetermined point including two workpiece-end detectors, one working to reduce the stitching speed and the other working to terminate the last stitch at the predetermined point with reduced speed. Where the number of stitches (D) to
4855633 Piezoelectric actuator August 8, 1989
A piezo-electric actuator magnifies piezoelectric displacement through two-steps, provided by a first lever portion and a second lever portion which are connected by two plate springs. One of the plate springs transmits a tension force while the other plate spring located adjacent to
4854251 Automatic sewing machine exclusively used for sewing zipper on workpiece August 8, 1989
This invention relates to an automatic sewing machine exclusively used for sewing a zipper on a workpiece and its related art. The automatic sewing machine exclusively used for sewing a zipper on a workpiece comprises a sewing machine (10,20) capable of at least sewing linearly, a drive
4848606 Apparatus for dispensing a predetermined volume of paste-like fluid July 18, 1989
A piston driving device for dispensing a predetermined small amount of paste-like material from a nozzle in response to an electrical signal without any time-delay is enabled by the slow rotation of a ball-screw shaft, the rotation being reduced by a differential gear system. A female
4848256 Workpiece detector for a sewing machine July 18, 1989
A workpiece detector for a sewing machine including a rotatable detecting lever in which small angular displacements at the end of the detecting lever, caused by differences in workpiece thickness, are multiplied mechanically causing the rotation of an electrical converter. Detectable
4848255 Automatic sewing machine exclusively used for sewing zipper on workpiece July 18, 1989
This invention relates to an automatic sewing machine exclusively used for sewing a zipper on a workpiece and its related art. The automatic sewing machine exclusively used for sewing a zipper on a workpiece comprises a sewing machine (10, 20) capable of at least sewing linearly, a drive
4821658 Apparatus for setting a workpiece correctly on a skirt-zipper sewing machine April 18, 1989
The disclosed method and apparatus for setting a workpiece correctly on a skirt-zipper sewing machine provides a pair of pressing plates which are positioned at the center of a zipper when the plates are lowered and which press the material of the workpiece and the zipper to be sewed to
4817546 Shirring control apparatus and method April 4, 1989
A shirring control apparatus automatically reads sewing data from a pattern or the like, automatically calculates the sewing data from the read data or the data previously read from the pattern, distributes the amount of shirring for each of the desired areas of a circle of the sleeve fr
4791874 Chain stitch machine December 20, 1988
A needle plate for a device adapted to sew a sequence of idle chain stitches has a guide contiguous to a needle locating opening, which guide is adapted to guide the sequence of idle chain stitches so as to pass through the needle location when the free end of the sequence is grasped
4777892 Thread chain sewing method and device for two-needle overlock sewing machine October 18, 1988
A thread chain is prevented from hanging at an inner chain-off finger when it is turned back or rotated to the operator's side for holding and cutting. A needle thread, positioned at the front side of a lower looper, is guided by a needle thread restricting device, and a needle thread
4777398 Piezoelectric motor October 11, 1988
A displacement transmitting apparatus comprising a shaft hole which throttles by piezoelectric effect, and a shaft slidably inserted into the shaft hole engaged with a driving means which advances steppingly by mechanically amplified piezoelectric effect. On-off controlling of electr
4774900 Apparatus for backtacking thread chain for use with a two-needle overedge sewing machine October 4, 1988
In a two-needle overedge sewing machine, a thread chain guide recess is formed for positioning the thread chain at a given position on the throat plate so that the thread chain is spaced apart from the outer needle descending point. The thread chain guide recess may be made at a tip
4773344 Sewing machine control device September 27, 1988
This invention relates to a sewing machine control device which precisely and effectively stops a sewing machine at the termination point of a seam. The sewing machine control device comprises operation means (LSW) for producing an actuation signal or a stop signal, needle position detec
4741638 Ink ribbon feeding and lifting device operated by a single reversible motor May 3, 1988
This application discloses an inked ribbon operation device in a printer in which a carriage having printing means is moved in parallel to the platen to perform printing, a reversible motor is supported on the carriage, a pair of spaced ribbon shafts are rotatably supported on the carria
4732095 Sewing machine for automatically sewing neat seam ends March 22, 1988
A sewing machine automatically sews a seam which ends at a desired point. The last n stitches, preferably the last two stitches, are of substantially equal length. A counter counts pulses while the work is being fed to the needle. The machine detects when the trailing edge of the wor
4730565 Stopping device for an eyelet button holing machine March 15, 1988
A stopping device for an eyelet button holing machine provides a stopper arm which plunges into a recess portion of a stopper cam positioned coaxial to the main shaft. To absorb the stopping impulse, extra wheel cams are provided coaxial to the main shaft which induce the stopper arm
4727818 Embroidery machine apparatus March 1, 1988
An automatic embroidery machine operated according to stitch data stored in a memory device provides a secondary central processing unit, a secondary random access memory, and a secondary code input means such that subsequent stitch data may be input during current stitch work thereby
4726308 Thread tension control device for overedge sewing machines February 23, 1988
A thread tension control device for overedging sewing machines wherein each needle thread tension controller and each looper thread tension controller provide two springs designed to clamp two tension discs wherethrough a thread is passed. A slide plate, by its horizontal sliding motion,
4722291 Apparatus for automatically adjusting the stitch pitch of a sewing machine February 2, 1988
An automatic stitch pitch adjusting apparatus for a sewing machine allows the last stitch point to be terminated at a pre-set point. Three workpiece-end sensors are positioned respective a needle hole position to precisely calculate the required actual stitch line length. Reference s
4721297 Sheet feeder January 26, 1988
A paper sheet feeder includes an input roller, an interposed roller, an output roller and a motor. The interposed roller serves both as a paper-feeder and a paper-stopper by changing the drive direction of the motor. A one-way clutch is provided at the interposed roller and is effect
4720795 Sewing machine input device having scaling function January 19, 1988
A method and apparatus for inputting stitch patterns by way of a digitizer is effective to record stitching patterns which involve skipping and which extend beyond the digitizer board. In a method aspect, where stitch patterns involve skipping and the drawings of the patterns exceed beyo
4719868 Sewing machine January 19, 1988
The present invention relates to an improvement in the home point detection of a motor for a sewing machine wherein the motor is used to rotate a cam into a predetermined feed pitch formed on the cam, and change in the quantity of work piece feeding that corresponds to such feed pitch is
4712493 Button sewing machine December 15, 1987
A button sewing machine allows simultaneous sewing of both a stay button and a surface button to a workpiece and conducts button-neck-wrapping by inclining both buttons with a workpiece. A needle is arranged to travel between an upper needle bar spindle and a lower needle bar spindle, be
4709644 Sewing machine presser foot lifting apparatus December 1, 1987
An apparatus for lifting the presser foot of a sewing machine prevents the bar guide bracket from rotating outward even when the presser foot is unintentionally raised due to a thick workpiece. As an additional safety interlock, the presser bar guide bracket is prevented from dropping do
4706589 Needle thread guiding apparatus November 17, 1987
A needle thread guide provided at a needle bar frame and located adjacent to the needle entry protects the needle thread from being stuck by the needle when the workplace is fed during button holing. The guide guides the needle thread outwardly when the needle descends, thus the needle
4706587 Presser foot lifter in sewing machine November 17, 1987
This invention relates to a presser foot lifter in a sewing machine. The presser foot lifter comprises a pressure relief mechanism for lessening the force of a spring means adapted to bias a presser foot towards a throat plate, a presser foot drive mechanism for lifting the presser foot
4705167 Button feed tape November 10, 1987
A button feed tape used to supply buttons for a button stitching machine comprising an upper sheet and a lower sheet with the buttons sandwiched therebetween. The upper and lower sheets provide openings to expose the buttons and to allow easy separation of the sheets from the buttons aft
4704977 Method and apparatus for preparing sewing data November 10, 1987
Method and apparatus for preparing sewing data for an automatic sewing apparatus which embroiders an embroidery pattern on cloth using a zigzag chain stitch while moving one or both of a cloth retainer and a sewing machine relative to each other. When a pattern corresponding to a basic
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