U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."

Carl Sagan

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 112/470.31 - For sewing plural workpieces under tension


Subclass of Class 112 - Sewing
Definition: Device wherein the sewing machine is especially configured
No. of patents: 57
Last issue date: 01/20/2004


1    
NumberTitleIssue Date
6679191Fabric tensioning device for sewing machine
The present invention provides a fabric tensioning device for stretching fabric on a sewing machine. The fabric tensioning device includes a cylindrical frame having a window extending in a longitudinal direction. A fabric clamping member clamps down the ...
01/20/2004
6332414Sewing machine accessory
A sewing machine accessory with an accessory head which can be quickly and easily attached and removed from a sewing machine. One version of the accessory head can be mounted to a sewing machine foot, while another version can be mounted on a sewing machi...
12/25/2001
6192816Method and apparatus for forming and joining hems particularly on tubular trouser legs
Method and apparatus for forming and joining large and small hems particularly on denim jeans and other types of trousers. An internally folded large hem is formed mechanically and in a highly accurate manner by engaging the end portion of a trouser leg u...
02/27/2001
6035794Automatic collar loading system and method
A collar attachment station having an automatic collar loading system that includes a pair of guide rollers about which a circular collar is received. The guide rollers have a substantially conical construction and a roughened outer surface. As the guide ...
03/14/2000
5911184Sewing machine guide
An improvement to a sewing machine which allows ribbons, trim, elastic bands and other linear-shaped materials to be accurately and automatically controlled and guided as they are fed into the sewing mechanism. For elastic, an adjustable control is provid...
06/15/1999
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
5743202Elastic waistband attachment system
A looped elastic waistband (14) is positioned along a circular sewing path (12) with the waist edge (21) of a pair of pants (12) in straddling relationship thereover. The garment parts are advanced past a folding assembly (61), which folds the waist edge ...
04/28/1998
5707709Twin ply fabric, uses and manufacture thereof
In the process of defining quilted fabric, non-stretchable, stretchable and interior layers of materials are wound on separate rollers. Then the layers are positively fed from the rollers to a bi-directional acting sewing assembly wherein the non-stretcha...
01/13/1998
5704304Level lining apparatus and method
An apparatus and method are provided for simultaneously feeding two or more rolls of material into a sewing and cutting system. Specifically, the apparatus includes a roll let-off for supporting and feeding a first roll of material or cloth. The let-off i...
01/06/1998
5687662Sewing method for forming a trim cover assembly
A method for sewing a curved edge of first base cover material with a second base material to form a trim cover assembly. The first base cover material is elastically deformed, as by expanding or contracting the same, such as to transform its curved edge ...
11/18/1997
5570647Automatic attachment of a rib knit band to a shirt body
A sewing machine in combination with a workpiece control and advancing mechanism for automatically forming a seam along the aligned edges of a two ply waist band and a shirt body. The mechanism includes edge guiders, that are controlled by sensors, for in...
11/05/1996
5555833Sleeve insertion system for the manufacture of shirts
An apparatus for high production assembly and sewing of tubular sleeve sections to shirt bodies. Tubular sleeve sections are loaded onto sleeve cones, preferably of cylindrical or frusto-conical form. The sleeve cones may be mounted for pivoting movement ...
09/17/1996
5529005Towel cloth drawing-out device
A towel cloth drawing-out device comprises a pair of working tables facing each other with a gap therebetween, a towel cloth drawing unit for drawing out the towel cloth from the towel material to hang the same in the gap, a towel cloth clamp member which...
06/25/1996
5522332Waist band attachment system
The waist band (16) is placed in straddling relationship about spindles (12-15). The waist edge (23) of the shirt body (17) is telescoped about the waist band, also in straddling relationship about the spindles (12-15). The garment parts are advanced by t...
06/04/1996
5437238Waist band attachment system
A continuous loop waist band (10) is placed in edge alignment with a garment body (11), and the garment parts are stretched about spindles (19, 20, 21 and 23). The spindles are moved away from one another so as to stretch the aligned edges of the garment ...
08/01/1995
5437239Process for defining quilted fabric
In the proces of defining quilted fabric, non-stretchable, stretchable and interior layers of materials are wound on separate rollers. Then the layers are positively fed from the rollers to a bi-directional acting swing assembly wherein non-stretchable an...
08/01/1995
5400729Sewing apparatus for making composite draw cord/elastic waistband
A sewing apparatus combines an elastic band with a non-elastic draw cord to form a composite band. The apparatus includes a sewing machine for sewing the draw cord to one surface of the elastic band. The sewing machine forms a plurality of stitches that c...
03/28/1995
5394813Apparatus for sewing an elastic tape on an edge of a workpiece
An apparatus is provided for automatically inserting an elastic tape into a binding tape, and simultaneously sewing the leading and trailing ends of the elastic tape with the binding tape to the hem of a workpiece. A pair of feed rollers and a tensioning ...
03/07/1995
5335612Anti-pucker presser foot
The invention provides a method of and a device for reducing pucker between layers of sheet material during a sewing process wherein an upper layer and a lower layer of material are fed to a stitch formation zone by means of a reciprocating lower feed-dog...
08/09/1994
5269239Automatic attachment of pre-closed elastic waistbands
An apparatus for and method of attaching an elastic band to the body of a garment is provided. The workpieces are monitored and aligned during the attachment process by sensors and guide mechanisms, electrically coupled to a controller that facilitates th...
12/14/1993
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
5131336Waist part cloth guiding device for a sewing machine
A waist part cloth guiding device for a sewing machine comprises a guide which folds and guides a side edge portion of a cylindrical cloth to enclose a ring band ahead of the needle drop point, while feeding the band together with the cloth in a cloth fee...
07/21/1992
5081945Elastic tape sewing machine
The elastic tape sewing machine comprises feed teeth feeding a combined body of a fabric and an elastic tape, a sewing needle sewing the elastic tape on the fabric, a presser foot including an elastic tape through-hole and movable to and from said feed te...
01/21/1992
5067424Apparatus for sewing fabric pieces to slide fastener chain
An apparatus for automatically sewing a succession of fabric pieces to a continuous slide fastener chain comprises a sewing machine for feeding and sewing the fabric pieces and slide fastener chain together; a guiding apparatus disposed upstream of the se...
11/26/1991
5056441Fitted mattress cover and method of making same
A fitted mattress cover for enveloping the top surface side and end surfaces of a mattress constructed to drastically minimize the shifting of the cover relative to the mattress. The fitted mattress cover includes a top panel for fitting in overlaying rel...
10/15/1991
5029541Device for the formation and sewing of a hem at an opening in a workpiece
A device for the automatic formation and sewing of a hem at a continuous edge of an opening of variable width in a workpiece, a hem-forming device on a sewing machine which is controlled by a logic device. An actual force acting upon a guide body is compa...
07/09/1991
4998965Feeding device having control means, feed rollers, a pulse generator and a photoelectric device for directly measuring rate of feed of an elastic strip having marks thereon for a sewing machine
A feeding device for feeding elastic strip material to a sewing machine feeding a strip in response to one or more control signals. The strip feeder uses a feed roller having an associated pressure roller to provide a feed nip with the feeding roller, a s...
03/12/1991
4909165Sewing machine for sewing a rubber strip
Sewing machine for sewing a rubber strip to a tubular end piece of a garment made from an elastic textile material in order to produce an endless elastic band. The sewing machine comprises a presser foot (18) with an insertion opening (22) for the rubber ...
03/20/1990
4903622Apparatus for guiding and braking bands in sewing machines
Apparatus for guiding and braking elastic or nonelastic bands during sewing to pieces of fabric has an elongated flat housing of rectangular cross-sectional outline with a transversely extending channel for a band. The housing is separably affixed to the ...
02/27/1990
4829919Device to feed ribbon-like trimmings under the pressure foot of a sewing machine
The device herein described comprises a feed roller 12 rotated by a motor 16 and disposed before the presser foot 9 at right angles to the feed advance direction of the workpiece. Individually and selectively acting against the feed roller 12 are two pres...
05/16/1989
4827857Cylindrical bed sewing machine
The sewing machine herein described comprises a hem folder 9 arranged to introduce an elastic band into the folded edges of a workpiece and a feed guide 16 arranged to apply ribbon-like trimmings along the edges of the same workpiece. The hem folder is os...
05/09/1989
4760808Device and method for forming a piped opening in a garment
Apparatus and a method for making a piped opening in a garment are disclosed. Two collinear cuts are made in the piping strip at a preparation station. The cut piping strip is then transferred to a sewing machine table where the piping is laid onto a piec...
08/02/1988
4703706Elastic band feeding and tensioning mechanism for a sewing machine
An elastic band feeding and tensioning mechanism and method for the application of an elastic band, having at least a portion thereof tensioned, on a fabric piece fed under a stitching needle of a sewing machine. A footplate guide is provided for position...
11/03/1987
4669400Apparatus and method for automatically matching the cuffs of garments
An apparatus and method for accurately aligning the top and bottom edges of a garment's workpieces to assure even cuffs after sewing, the apparatus comprising two locking jaw assemblies which cooperate with drive rollers (all of which are located upstream...
06/02/1987
4649839Sewing machine tape braking device
A braking device for strip material particularly for a sewing machine which sews a garment requiring ruffling comprises a fixed guide over which the strip material such as tape is fed. A resilient member overlies the fixed guide and it is engaged by a mul...
03/17/1987
4635575Sewing machine for sewing a rubber strip to a textile fabric
A sewing machine for sewing a rubber strip to a tubular end section of an item of clothing made from an elastic, textile fabric to form an endless, elastic gather, has a feed mechanism for feeding the rubber strip, and a presser foot and transportor for f...
01/13/1987
4541353Dual-chain sewing machine
A dual-chain sewing machine for aligning the edges and the corresponding seam tracks of pieces of a garment that have different curvatures and for sewing the pieces together along the seam tracks includes two flexible, elongated carriers, which move at ap...
09/17/1985
4530294Tubular-goods holder for sewing machine
An apparatus for holding tubular goods for stitching at the station of a sewing machine has a support adjacent the sewing station, a drive for rotating the support about a horizontal support axis, and at least three arcuate segment plates displaceable rad...
07/23/1985
4488923Method for producing a fabric having unsecured elastic in areas intermittently disposed along an edge thereof
This invention comprises pleating a fabric, securing an elastic member in a relaxed state to the pleated fabric and then removing the pleats from the fabric. On removing the pleats, the elastic member is stretched to provide elastic areas in the previousl...
12/18/1984
4484532Apparatus for blind stitching an S-shaped hem
An automatic sewing apparatus capable of blind stitching an S-shaped hem in the marginal edge of a tubular workpiece. The sewing apparatus is provided with a tensioning device including a pair of roller supports which arrange an open end of the workpiece ...
11/27/1984
1    
 
Sign InRegister
Username  
Password   
forgot password?