Matches 1 - 50 out of 66 1 2 >
Match Document Document Title
7246564 Differential feeding mechanism of the front and rear translation gears of a transverse shuttle-type sewing machine  
A differential feeding mechanism of the front and rear translation gears of a transverse shuttle-type sewing machine can adjust the fabric feeding speeds of the front and rear translation gears. A...
6968793 Transverse longitudinal-cylinder sewing machine  
A transverse longitudinal-cylinder sewing machine includes an automatic thread loosening device, a tension adjustment mechanism, an automatic thread cutting bi-directional solenoid device and a...
6564734 Method for operating a sewing machine for joining a first part of a sewn article to a second part of a sewn article and integrating excess width at the same time  
In a method of operating a sewing machine for joining a jacket part ( 38 ) to a sleeve part ( 39 ), a sewing machine is employed, which has an operating and control unit. The desired stitch length...
6178904 Process and sewing unit for working in extra width in a fabric layer  
A sewing unit for working in extra width in a single fabric layer, wherein a necessary gathering value is calculated by a computer of the sewing unit after the entry of the initial length of the...
5743198 Sewing machine having cylinder bed  
A sewing machine having a cylinder bed feeds cloth in the direction orthogonal to the longitudinal direction of the cylinder bed, with a main feed dog and differential feed dog provided in the...
5738028 Differential feeding device for sewing machine  
A differential feeding device for a sewing machine includes a spindle and a shaft. A cam is fixed on the spindle and two followers are engaged on the cam for allowing the cam to move the followers...
5678502 Variable walking foot apparatus for a sewing machine for mattresses  
A method and apparatus for forming a partial mattress sack which prevents radial bunching of the mattresses. The method includes the steps of feeding first and second panels having different edge...
5309854 High lift sewing machine  
The invention comprises improvements to sewing machines for increasing the throat clearance of the machine. The improvements relate to 1) modifications to mechanical components of the machine to...
5201273 Top-feed sewing machine with presser device  
The presser device includes a feeder foot, a holding foot and a link transmission provided between the two feet, the two feet cooperating alternately. The feeder foot has a spur which cooperates...
5174230 Upper feed device for sewing machine  
An upper feed device for a sewing machine comprises an upper feed arm having its base end coupled with a longitudinally swinging crank and an upper feed dog attached at its front end. The mechanism...
5014635 Device for controlling feeding quantity of a sewing machine  
A device for controlling feeding quantity of a sewing machine includes a driver for driving an upper feed-dog and a lower feed-dog, a first setter for setting the feeding quantity of the lower...
4998965 Feeding 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...
4886006 Fabric easing drum  
An easing drum has an elongated horizontal shaft having an elongated horizontal axis about which the shaft is rotatable. A plurality of like circular discs are secured at their centers to said...
4867082 Electronic device for autosetting control in industrial sewing machines  
The invention herein described comprises a programmable microprocessor control unit 2 controlling a plurality of actuators 6, 7, 8, 9, 10, respectively associated with the differential feed dog,...
4848254 Sewing machine with multidirectional upper and lower feed devices  
A sewing machine is provided with a upper and a lower feed device with which a workpiece consisting of several plies can, when making arched and/or corner type seams, be transported in always...
4817546 Shirring control apparatus and method  
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,...
4748839 Differential feed adjusting mechanism  
A sewing machine having differential material feed, with a main feed dog and differential feed dog being mechanically connected to one another in such a manner that if the feed stroke length of the...
4726309 Sewing machine with differential feed  
A sewing machine with adjustable upper and lower feed dogs is for sewing together sections of clothing in which ungathered segments of seams alternate with seam segments with differing degrees of...
4682553 Sewing machine workpiece edge alignment apparatus  
An installation for linear treatment, such as the edging of textile pieces. It comprises a sewing machine, equipped with a feed dog/presser foot system, a work table which supports the piece during...
4674426 Feed mechanism for sewing machine  
A lifting rocker which is pivotally supported by a link is engaged with an eccentric ring which is fixed to a main shaft of a sewing machine. By the rotation of the eccentric ring, the lifting...
4624202 Sewing machine differential feed  
A sewing machine which has two substantially independent sets of feed dog teeth comprising a set of main fabric feed dog teeth and secondary or differential feed dog teeth and includes a drive...
4589364 Sewing machine top feed  
A top feed device for a sewing machine has an upper feed dog movable horizontally and vertically in synchronism with operation of a lower feed dog. The upper feed dog is vertically moved by a...
4572094 Sewing machine with workpiece differential transport device  
A feed device for feeding a material pattern cut to a sewing machine for the forming of stitch groups such as a row of button holes by a reciprocating needle operating on the material pattern which...
4546717 Sewing machine differential feed  
Device for feeding the work in a differential-feed sewing machine, comprising a feed shaft (14) oscillating about its axis, a curved lever (32) connected on the one side to the said shaft (14) and...
4527497 Differential feed system with safety device  
A differential feed system in which a main feed bar supports an auxiliary feed bar for rising and falling motion but for independent longitudinal motion and wherein longitudinal motion of the...
4509443 Automatic sewing machine and method for jacket sleeve attachment  
The present invention includes a sewing machine (12) with a variable top feed mechanism (25) that feeds the top layer of material for a sleeve at a variable rate to change the fullness thereof. The...
4503794 Upper feed dog automatic regulator for overlock machine  
An upper feed dog automatic regulator for an overlock machine has an upper feed dog divided into a front part and a rear part. The greatest lower bound in a locus of motion of the upper feed dog...
4469039 Work feed device in sewing machines  
A work feed device for sewing machines, which comprises feed dog carrier bars performing an elliptical movement with the aid of two mechanisms; namely, an advancing mechanism and a raising...
4436045 Differential feed mechanism for sewing machines  
A differential feed mechanism is provided for a high speed industrial sewing machine. The differential mechanism includes separate driving mechanisms for each of the two feed dogs mounted on...
4412498 Control device for a differential feed of a sewing machine  
A control device for a differential feed system of a sewing machine in which a control box is connected to a control motor regulating the relation of the feed rates imparted to feed elements...
4364318 Machine for sewing together workpiece parts having edges of equal or unequal length by means of a bead seam  
A machine for sewing together two workpiece parts having edges of equal or unequal length by using a bead seam, especially for joining together the edge of a vamp and the shorter edge of a plug of...
4311106 Sewing machine with upper and lower workpiece transporters  
A sewing machine designed to stitch together two stacked fabric layers advancing at different speeds comprises an upper and a lower conveyor belt coupled with a common drive shaft by a differential...
4303027 Cloth feeding apparatus  
A cloth feeding apparatus having two feeding devices with respect to the feeding direction and adapted to feed a cloth under a tension by setting the feeding amount on the downstream greater than...
4244314 Auxiliary feed stitch regulator mechanism  
An auxiliary feed regulator for a differential feed mechanism, which auxiliary regulator may be manipulated by a sewing machine operator during sewing without feed back or vibration to the...
4143607 Sewing machine with differential work transport  
The sewing machine has a differential work transport, consisting of a lower main feed and lower and upper auxiliary feeds, with the step sizes of the auxiliary feeds being adjustable, from a step...
4140070 Control for a differential feed regulating device in sewing machines  
An adjusting apparatus contained within the base of a sewing machine for selectively setting the desired limits of travel of the differential feed dog relative to that of the main feed dog and a...
4133279 Sewing apparatus  
There are provided improvements relating to sewing machines for use in the textile field where two or more layers of material are to be sewn together with a conventional sewing head. In the sewing...
4067274 Feed adjusting device for sewing machines  
An improved feed adjusting apparatus for sewing machines having a control device which reduces to a minimum the displacement between the actual path and the optimum path of travel of a slider...
4027609 Feed mechanism for sewing machines  
This disclosure relates to feed mechanisms for sewing machines, particularly industrial sewing machines. A reciprocatory advance motion is imparted to a feed dog means by an eccentric means...
3985088 Cloth feed device for blind stitch sewing machine  
A cloth feed device for blind stitch sewing machines comprises two cloth feed racks disposed in a direction perpendicular to a cloth feed direction and the two cloth feed racks are operatively...
3980032 Sewing machine having automatic feed control system  
Fabric lengths are monitored during and/or prior to sewing by sensing means in conjunction with a logic system. Differences in fabric ply lengths are compensated for by the logic systems control...
3970018 Work feeding mechanism for sewing machines  
A sewing machine for sewing a material workpiece, comprises a needle holder having a sewing needle which is mounted for both pivotal movement for swinging backwardly and forwardly and vertical...
3967565 Cloth feeding device for sewing machine and method thereof  
A cloth feeding device for a sewing machine and a method of adjusting the differential ratio of feeding cloth, in any desired wide range, particularly, in an overlock sewing machine. There is...
3808995 SEWING MACHINE WITH DIFFERENTIAL FEED  
The invention is concerned with a sewing machine with differential feed means for maintaining the surplus width of garment blanks and simultaneously fixing the surplus width maintained by a seam in...
3611817 DIFFERENTIAL FEED MECHANISM FOR A SEWING MACHINE  
A differential feed mechanism is provided for a high-speed industrial sewing machine. The differential mechanism includes separate driving mechanisms for each of two feed dogs mounted on feed bars,...
3578769 DIFFERENTIAL FEED ATTACHMENT MEANS FOR SHIRRING  
A differential feed attachment means for a drop feed sewing machine, said attachment being intended to replace the conventional feed dogs and consisting of two feed dogs arranged in tandem with the...
3450079 FEED STROKE ADJUSTING MECHANISM FOR SEWING MACHINES  
3416473 Combined feed mechanism with stepped feed-dogs for sewing machines  
3382827 DIFFERENTIAL MATERIAL FEED REVERSIBLE IN THE FEED DIRECTION,WITH ONE ADJUSTING AGENT EACH FOR THE FEED LENGTH OF THE TWO MATERIAL FEEDERS  
3368507 Feeding mechanism for sewing machines  
Matches 1 - 50 out of 66 1 2 >