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Class 112/475.02 - Material sensing


Subclass of Class 112 - Sewing
Definition: Method including the step of sensing the position of the
No. of patents: 68
Last issue date: 08/02/2011


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NumberTitleIssue Date
7987801Device and method for monitoring a thread wound on a bobbin
The present invention relates to a device and a method for monitoring a thread wound on a bobbin during operation in a sewing machine that reduces the expenditure on apparatus and production technology with increased monitoring reliability wherein at least three dif...
08/02/2011
7373891Quilting method and apparatus using frame with motion detector
A frame is provided for mounting a fabric layer stack and retaining it in a substantially taut condition. The frame is supported for manually guided movement beneath a fixedly located stitch head and a detector is provided to produce signals representing the magnitu...
05/20/2008
7325502Method and device for controlling the movement of a needle in a sewing machine
A method and device for controlling movement of the needle in a sewing machine (1) based on a detection device (27), which detects the movements of the visible surface of the manually displaceable article to be sewn (3) is provided. The stitch f...
02/05/2008
7063028Printing and quilting method and apparatus
A quilting machine (10, 100, 200, 300, 400, 500, 600) is provided with a printing station (20, 125, 225, 325, 425, 525, 611, 626, 631) and a quilting station (44, 127, 227, 327, 427, 527, 627, 632), either on the same or a different production l...
06/20/2006
6994042Method and device for regulating material transport in a sewing or embroidery machine
A method and device for creating uniform stitch lengths in an article being sewn by detecting actual feeding increments of the article using a sensor. With this information, the sewing or embroidery machine is controlled to provide generally uniform stitch lengths.
02/07/2006
6959657Optical stitch regulator system
An optical stitch regulator system for efficiently regulating the stitch length and stitch frequency of a sewing machine. The optical stitch regulator system includes at least one optical sensor within or external of the sewing platform of a sewing machine for sensi...
11/01/2005
6883446Quilting method and apparatus
A quilting apparatus for enabling a user to freely move a stack of fabric layers across a planar bed relative to an actuatable stitch head. The apparatus includes a motion detector which detects the movement of the stack and controls the actuation of the stitch head...
04/26/2005
6871606Method and device for regulating material transport in a sewing or embroidery machine
A method and device for regulating the transport of material in a sewing or embroidery machine (1) that uses information from a position or movement sensor (33) located underneath the throat plate (21). The controls for the sewing machine (1
03/29/2005
6805063Method of pulling the free end of a needle thread from the top to the bottom side of a work piece and sewing machine for putting the method into practice
In a method of pulling the free end of a needle thread from the top to the bottom of at least one work piece upon a first stitch of a seam that is to be sewn, use is made of a sewing machine with at least one presser which can be placed on, and lifted off, the work ...
10/19/2004
6796254Batchwise quilting of printed materials
The order in which panels 13 are to be quilted, the amount of quilting-induced shrinkage, and the amount of crop between adjacent panels 13 are stored in a machine readable file 13 for use in operating a print line 10. Such information
09/28/2004
6725792Lock-stitch needle chuck for a placket sewing machine
A placket sewing machine attaches a placket patch to a fabric part of a garment in overlying relation to form a multiple layer placket assembly. The placket sewing machine includes a base defining a working surface of the sewing machine. A reciprocating needle chuck...
04/27/2004
6668740Method and apparatus for linking plain knitted fabrics
A method for linking plain knitted fabrics includes the steps of fixing a first plain knitted fabric in a stretched state, obtaining an image including an image of a darning stitch, calculating a location of the darning stitch, repeating the above steps w...
12/30/2003
6665578Linking method and linking apparatus
A linking method including the steps of opposing knitted fabrics to be linked to each other, stretching the opposed knitted fabrics in a course direction, stretching the opposed knitted fabrics in a wale direction, picking up an image of linking loops of ...
12/16/2003
6644227Embroidery stitching device and sewing machine having a free arm
A sewing machine having a free arm which is provided with free arm sensors 5 and 6 for detecting a contact between the free arm and a cylindrical work during embroidery stitching operation, the cylindrical work being held by an embroidering frame 23 and p...
11/11/2003
6637358Method of sewing supplementary parts on a workpiece
In a method of sewing at least one supplementary part on a workpiece, a workpiece identification is fed into a computer and a program is activated thereby, which indicates, on the display screen, the respective supplementary part that is to be sewn on nex...
10/28/2003
6415726Lock-stitch needle chuck for a placket sewing machine
A placket sewing machine attaches a placket patch to a fabric part of a garment in overlying relation to form a multiple layer placket assembly. The placket sewing machine includes a base defining a working surface of the sewing machine, and including a f...
07/09/2002
6397121Process and apparatus for detecting loop stitch of tubular knitted fabric, and apparatus for linking tubular knitted fabric
There are provided a process and an apparatus for detecting loop stitches of a tubular knitted fabric and an apparatus for linking the tubular knitted fabric, which can automatically detect each of loop stitches formed in the tubular knitted fabric. Accor...
05/28/2002
6341569Sewing machine having means for estimating mass of sewing material
A sewing machine includes a movable holder portion which holds a material to be sewn, a holder drive portion which transfers the holder portion during sewing, a needle drive portion which drives a sewing needle to sew, and a controller which intelligently...
01/29/2002
6308647Interlock stitch sewing machine for blindstitch hemming with slippage preventing device
An interlock stitch sewing machine for blindstitch hemming with a slippage preventing device is provided which is so constructed as to prevent slippage that is likely to occur due to a position error of a lower fabric portion of the fabric portions stacke...
10/30/2001
6293213Gusset manufacturing machine with automated measuring and cutting station
A method and apparatus for automatically cutting notches at specific locations on a web which are separated by predetermined lengths which are the outer dimensions of a pillowtop mattress. The web is pulled through a sewing station with a traction drive. ...
09/25/2001
6263815Sewing system and sewing method
A sewing system which can properly arrange stitch loops in a sewn section by automatically stitching knitted pieces with each other without requiring the exchange of a main sewing machine body in accordance with the coarseness and fineness of the stitches...
07/24/2001
6260495Hem monitoring system
A hem monitoring system for a textile finishing device having one or more sewing heads positioned along a predetermined path for finishing the hem on a textile product in a high speed manner. The monitoring system includes a camera, a monitor, and means f...
07/17/2001
6158366Printing and quilting method and apparatus useful for automated multi-needle quilting and printing onto webs
A quilting machine is provided having a first station and a second station, one being a printing station and one being a quilting station. The printing station is located either in line and preferably upstream of the quilting station, with a conveyor exte...
12/12/2000
6095071Faulty sewing detector
Provided is a faulty sewing detector that is, for example, mounted on an overlock sewing machine, with which an over-edge chain stitch is made in a state in which a body fabric and a sleeve fabric of a T shirt or underwear are overlapped with each other. ...
08/01/2000
5867391Sewing data processor for preparing sewing data for use in sewing machines
A sewing data processor including input unit for inputting a sewing pattern to be sewn on a cloth using a sewing machine; sewing data preparation unit for preparing sewing data to be used in the sewing machine for sewing the sewing pattern, the sewing dat...
02/02/1999
5862767Placket sewing machine, and method of forming a placket assembly
A placket sewing machine is provided for attaching a placket patch to a fabric part of a garment. The placket patch and fabric part are positioned in overlying relation to form a multiple layer placket assembly. The placket patch has a leading end for bei...
01/26/1999
5806449Method and apparatus for attaching sleeves to shirt bodies
A highly efficient, simplified method and apparatus for joining knitted shirt sleeves to shoulder openings of knitted shirt bodies. A knitted sleeve section, oriented outside-out, is engaged by a limited shoulder edge margin only by guide rollers, which c...
09/15/1998
5671689Apparatus and method for monitoring predetermined seam characteristics
A sewn seam monitoring system for evaluating selected characteristics of seam formed from a plurality of fabric plies is disclosed comprising a vertically displaceable wheel for compressing and monitoring the thickness of a seam being sewn as the seam pas...
09/30/1997
5657711Waist band attachment system
A waist band (18) is placed in straddling relationship about spindles (11-14). The waist edge (24) of the garment body (19) is telescoped about the waist band (18), also in straddling relationship about the spindles (11-14). The garment parts are advanced...
08/19/1997
5544599Program controlled quilter and panel cutter system with automatic shrinkage compensation
A quilting machine includes a multiple needle quilter with a panel cutter located in-line therewith and downstream thereof and having an accumulator therebetween. A programmable controller operates the quilter to stitch a programmed series of one or more ...
08/13/1996
5537945Sewing data modifying apparatus
An apparatus for modifying sewing data to control a sewing machine including (a) a stitch-forming device for forming stitches on at least one work sheet, (b) a work-holding device for holding the work sheet, and (c) a displacing device for displacing at l...
07/23/1996
5513590Automatic trouser indexing method and apparatus for belt loop attachment with improved tension control and seam detection
A method and apparatus for indexing the waistband of trousers into belt loop attachment positions at the stitching station of a sewing machine is disclosed. A stepper motor is drivingly engaged to an indexer clamp, which engages the end portion of the wai...
05/07/1996
5417174Automatic trouser indexing method and apparatus for belt loop attachment
A method and apparatus for indexing the waistband of trousers into belt loop attachment positions at the stitching station of a sewing machine is disclosed. A stepper motor is drivingly engaged to an indexer clamp, which engages the end portion of the wai...
05/23/1995
5375545Method and apparatus for automatically attaching a collarette, display, and label to a garment body
An improved method and apparatus for attaching a collarette, display, and label incorporating the use of a sewing machine having a sewing head a collarette feeder, a display feeder, a label feeder synchronized with the sewing head, a garment detector, a s...
12/27/1994
5367968Method and apparatus for sewing upholstered furniture
Apparatus and a concomitant method for sewing seams in upholstered furniture such as mattresses. The apparatus contains a sewing machine located adjacent a conveyor belt which moves the mattress in a linear direction beneath the sewing machine, a presser ...
11/29/1994
5353726Method of monitoring the supply of looper thread of a double lock-stitch sewing machine
Fastened to the bobbin for reception of the supply of looper thread which is inserted in the looper of a sewing machine, there is a data carrier (22) in which there is stored data which describe the supply of looper thread present on the bobbin with respe...
10/11/1994
5349913Method and apparatus for attaching sleeves to tubular shirt bodies
A method and apparatus are disclosed for automating the sewing of tubular sleeve sections onto tubular shirt bodies, as in the manufacture of T-shirts. Shirt bodies are applied over a generally cylindrical body form having portions aligned with the sleeve...
09/27/1994
5323723Sewing machine assemblies
The invention provides that a sewing machine is used for sewing the adjacent edges of a flat felt web which is folded to bring the edges together. The web moves past the sewing machine, and the sewing machine is mounted so as to reciprocate in a forward s...
06/28/1994
5307750Method and apparatus for chaining in sewing machine
An apparatus and method for maintaining the continuity of a free thread chain between successively sewn fabric parts by tensioning the free thread chain with a puller roller activated by drive means responsive to the sensing of the edges of the fabric par...
05/03/1994
5269257Method and apparatus for sewing tape in a sewing machine
A method and apparatus is disclosed for attaching a continuous tape to a circular edge of a tubular workpiece with a sewing machine, and cutting the tape so that an overlapping length of the tape tail end on the sewing front portion of the tape is of a un...
12/14/1993
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