Matches 1 - 50 out of 188 1 2 3 4 >
Match Document Document Title
7536963 Device for monitoring the needle thread  
A monitoring device ( 15 ) for monitoring the needle thread ( 9 ) on a sewing machine ( 1 ) is provided which includes a regulator spring ( 25 ) with at least one cam switch ( 39 ) being connected...
7493866 Thread tension device for sewing machine  
A thread tension device includes paired thread tension discs holding a needle thread, a thread tension spring biasing one of the discs toward the other, a thread tension dial adjusting a tension...
7475647 Sewing machine for stitching with a composite thread  
The present invention provides a sewing mechanism which is useful for joining fabrics with a brittle thread. The invention provides a sewing mechanism having a needle for stitching a brittle fiber...
7461605 Thread control device employing a thread brush, for a sewing machine  
A sewing machine having a reciprocatory needle and a reciprocatory thread-take-up device to deliver thread to the needle employs a thread control device located between the thread take-up device...
7430973 Thread tension mechanism and sewing machine  
A thread tension mechanism and a sewing machine includes a thread tension dial, a pair of thread tension discs and a dial shaft secured unrotatably to an element constituting a body of the thread...
7370592 Sewing machine  
Sewing machine includes a tension detection section ( 26 ) for detecting tension acting on a sewn material (A) paid out from a rotary holder member, and a drive section for driving the rotary...
7308333 Computerized stitching including embroidering  
A stitching apparatus with thread tension control is provided. Tension in a thread is monitored during stitching apparatus operations, and remedial action is taken in response to the detection of...
7225747 Control of thread feed for a sewing machine  
A sewing machine including an upper thread supply to a needle, a loop taker accommodating a bobbin for a bottom thread, a drive unit which through coupling elements affects a number of mechanical...
7111568 Cover stitch sewing machine  
In a cover stitch sewing machine which forms double chain stitch seams, needle threads are pulled out from the needle thread tensioning devices, passing over a thread hanging point on a needle...
7069869 Thread tension regulating apparatus for an over-lock sewing machine  
A thread tension regulating apparatus for an over-lock sewing machine is disclosed, wherein there are provided between an adjusting knob and a home position returning lever a first interlock device...
7007777 Thread brake and textile machines and thread feed devices equipped therewith  
The invention relates to a thread brake with a holding means ( 17 ), a bearing pin ( 25 ), which has an assembly section ( 24 ) disposed in the holding means ( 17 ) and a bearing section ( 26 )...
7000868 Thread storage and dispensing apparatus  
A multiple thread dispenser which serves as both a portable container for many spools of thread and a dispenser of multiple strands of thread. The container dispenses thread for use with a sewing...
6957616 Restoring device of tension adjusting device for sewing machines  
A restoring device of a tension adjusting device in a transverse arm for a sewing machine includes a main part which has an active member and a passive member on two sides thereof so as to drive...
6932009 Thread tension adjustment device of multi-needle sewing machine  
A thread tension adjustment device of multi-needle sewing machine including: a fixing rack fixed on a housing of the sewing machine; multiple frame bodies side by side fixed on the fixing rack;...
6901871 Bobbin case assembly with thread tensioning element and method of drawing thread from a thread supply  
A bobbin case assembly having a wall structure mountable upon a support, a bobbin for a supply of thread, and a tensioning element for engaging thread projecting from a supply of thread on the...
6883448 Sewing apparatus and informing control program therefor  
A sewing apparatus such as a sewing machine includes a cassette mount to which a thread cassette having a thread accommodating section for accommodating a thread supply is detachably attached, at...
6843189 Sewing machine having a thread tension adjusting device  
A sewing machine includes a thread tension adjusting device, and a thread tension releasing device. The thread tension adjusting device includes a thread press member formed with a release...
6776113 Sewing machine with thread tension control function and thread tension control program therefor  
A sewing machine includes a thread cassette having a thread accommodating cavity in which a supply of thread is accommodated, a cassette mount to which the thread cassette is detachably attached, a...
6595150 Thread tension control device for a sewing machine  
A pair of tension discs is disposed on a tension stud fixed in part of a sewing machine main body. A pneumatic cylinder has a drive rod. The drive rod moves at least one of the tension discs to...
6237515 Buttonhole sewing machine  
A buttonhole sewing machine for the production of buttonholes on a work-piece comprises a thread feeding mechanism on the path of a needle thread which is fed in a direction of delivery. The thread...
6198983 Table-driven software architecture for a stitching system  
Native code for a CNC stitching machine is generated by generating a geometry model of a preform; generating tool paths from the geometry model, the tool paths including stitching instructions for...
6152057 Bobbin assembly incorporating a thread tensioning assembly and method of controlling the payout of thread from a bobbin assembly  
The combination of a bobbin case assembly and a supply of thread. The bobbin case assembly has a wall structure defining a receptacle for the supply of thread and a thread tensioning assembly on...
6095069 Double-thread chain-stitch sewing machine  
A double thread chain-stitch sewing machine with a platform containing a needle, a needle plate with a slot, a pressing leg, a looper and a toothed rack for transporting a material, characterized...
6089172 Lock stitch sewing machine with automatic thread tension adjusting device  
A lock stitch sewing machine with an automatic thread tension adjusting device is disclosed, wherein the sewing machine has a plurality of thread tension adjusting mechanisms 7, each of which...
6055920 Sewing machine with both needle bar rocking and thread tension releasing mechanisms actuated by single actuator  
A sewing machine includes a needle bar rocking mechanism for rocking a needle bar in a direction crossing a direction in which a workpiece cloth to be sewn is fed, a thread tension applying...
6053216 Weaving machine pile warp thread tensioning and drawing-back device  
A thread tensioning and drawing-back device for pile warp threads of a weaving machine, which device comprises provisions (2) for braking, by spring elements, pile warp threads (4) taken up by a...
6050205 Sewing machine with thread tension releasing mechanism  
A sewing machine includes a thread tension applying mechanism for applying tension to a needle thread supplied from a needle thread supply source to a sewing needle, a thread tension releasing...
6012405 Method and apparatus for automatic adjustment of thread tension  
A computerized stitching apparatus that automatically controls thread tension is disclosed. In one embodiment, at least two factors are used to determine the desired thread consumption for the next...
5934212 Two part sewing system for large work pieces  
This invention relates to an improved automatic sewing machine apparatus for sewing large articles, in lock-stitch or chain-stitch, employing two completely different upper and lower sewing...
5931107 Advanced stitching head for making stitches in a textile article having variable thickness  
A stitching head for a computer numerically controlled stitching machine includes a thread tensioning mechanism for automatically adjusting thread tension according to the thickness of the material...
5868089 Needle thread restraining device in a thread cutting sewing machine  
A needle thread restraining device in a thread cutting sewing machine comprising a needle thread restraining device 18 which is disposed on a needle thread path between a needle take-up mechanism...
5816175 Thread control apparatus for a double chain stitch sewing machine  
A thread control apparatus for a double chain stitch sewing machine of the present invention is applied to the case of sewing a cloth with a double chain stitch sewing machine having multiple...
5806448 Overlock sewing machine  
An overlock sewing machine which can readily form a rolled seam with no requirement for a complicated tension adjusting operation is disclosed. In this overlock sewing machine, an auxiliary thread...
5603462 Changing threads in a sewing machine  
A sewing machine is provided for splicing together two different threads. The machine includes a thread tree with a number of thread spools with each thread thereof being inserted through flexible...
5573192 Thread tensioning device for a sewing machine  
A thread tensioning device for a sewing machine includes two plates engaged on a shaft and a spring for biasing the plates toward each other in order to clamp a thread. The plates each includes a...
5533460 Thread tension device with latch for a sewing machine  
A thread tension device includes a pair of discs engaged on a shaft and a spring for biasing the discs to clamp a thread. A follower is threadedly engaged on the shaft for adjusting the spring. A...
5513587 Thread tensioning for chain stitch sewing machine  
In a multi-needle double chain stitch sewing machine, when forming a thread chain after forming a seam without using upper cover thread, formation of loop or excess looseness of the right needle...
5495816 Multi-needle sewing machine with thread tension control  
In a two-needle sewing machine for making an ornamental stitch without a cover stitch, at least one intermediate lug (17) is provided which is disposed in side by side relation with respect to an...
5487347 Looper thread paying-out apparatus for sewing machine  
The present invention provides a looper thread paying-out apparatus of sewing machine in which apparatus a variation of paying-out tension of the thread from a bobbin does not affect a seam. Just...
5404824 Needle thread feed control apparatus for sewing machine  
A thread control apparatus having first and second thread retainer or holder mechanisms on a thread path, a feed passage control mechanism adapted to obtain the thread in a zig zag form between the...
5381744 Stitch balancing thread tension device for sewing machine  
A stitch balancing thread tension device for a sewing machine, the body of which is inserted into the opening portion of the sewing machine body, wherein the thread tension device body for...
5377606 Thread tensioning device for sewing machine  
A thread tension device for overlock sewing machines, which provides a thread tensioner and a regulator. The thread tensioner includes a pair of thread tensioning discs supported on a rotatable...
5299517 Thread tension adjusting apparatus for a sewing machine  
A thread tension adjusting apparatus, used in a sewing machine, adjusts tension of a supplied thread by adjusting a thread holding force. The apparatus is provided on a thread supply path running...
5265548 Thread tension apparatus  
The thread tension regulating apparatus comprises; thread tension setting means for selecting and setting thread clamping pressure to the right pressure coping with plural kinds of the stitches;...
5216970 Mode changer with stitch length, width, and thread tension adjustments  
A stitching mode changer for an overlock machine which enables stitching modes, i.e., ordinary overlock stitching, standard roll hemming, and special roll hemming, to be changed by a one-touch...
5211122 Thread tension device for a sewing machine  
A thread tension device including a plate fixed on a sewing machine, a bolt rotatably engaged in the plate, a pin engaged on the plate, a dial rotatably engaged on the bolt and having a number of...
5191847 Tension regulating device  
A tension regulating device can set an indicating value of a thread tension. The tension regulating device comprises a regulating nut which is screwed into the male portion of a tension regulating...
5156105 Thread tension adjusting device for a sewing machine  
A device including an axle rotatably supported in a sewing machine, a shaft fixed in parallel to the axle, one or more cams fixed on the axle, a lever having one end pivotally fixed and having the...
5113774 Thread cutting device on a sewing machine  
A thread cutting arrangement for sewing machines including an arrangement in which the tension of the thread is released in both directions of movement of an axially moveable drive mechanism such...
5042408 Sewing machine having thread cutting mechanism and method for minimizing length of leading end portion of needle thread  
A sewing machine provided with a thread cutting mechanism and a needle thread tension release mechanism. Normally, the needle thread is subjected to a proper tension by a thread tension regulating...
Matches 1 - 50 out of 188 1 2 3 4 >