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7571689 |
Clutch structure for presser foot of embroidery sewing machine
A clutch structure for a presser foot in an embroidery sewing machine is provided. The clutch structure includes a guide member, to which the presser foot drive link is rotatably connected, and...
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6920837 |
Sewing machine
A sewing machine including a sewing machine upper portion with a frame, a needle rod and a sewing foot rod, which rods are guided in the frame for back and forth movement parallel to one another, a...
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6805063 |
Method 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...
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6564732 |
Actuating device for material pressing device of sewing machine or sewing means
An actuating device intended for a sewing device or sewing machine includes a material pressing device for holding down the material to be sewn during stitch formation and transport, and at least...
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6382118 |
Sewing machine with a presser foot mechanism
A sewing machine is provided with a presser foot mechanism having a pressure bar and a presser foot, and with a linear motor ( 20 ) as an adjusting element. The linear motor ( 20 ) is arranged at...
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6354233 |
Sewing or embroidery machine
A sewing or embroidery machine, comprising a needle, a gripper and a workpiece advancing device with at least one driven advancing element. Said advancing device has a linear drive for driving the...
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6298799 |
Sewing machine capable of tracing embroidery area
When a trace mode is started, a needle and a presser foot are moved relative to an embroidery frame. When a STOP key is pressed, moving is temporarily stopped, and the operator can visually check a...
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5937775 |
Sewing machine control device having electrically movable connecting band extending about roller for presser foot lifting
A sewing machine includes a position rod fixed under a plate base for securing an electromagnet horizontally. The position rod has a front end holding a roller for a connecting band to extend...
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5899157 |
Presser foot device of sewing machine having a presser foot ascent detection device and a control mechanism
In a presser foot device of a sewing machine, a presser foot is vertically movably supported to a sewing machine body frame by a presser bar. A drive device moves the presser bar up and down in...
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5687659 |
Work-sheet pressing apparatus for sewing machine
An apparatus for moving a work-sheet pressing member of a sewing machine relative to a work-sheet supporting member to press a work sheet on the work-sheet supporting member, the apparatus...
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5596941 |
Lifting control for slidable presser foot
An arrangement in a sewing machine including a fabric feed dog (14; 44) for feeding a fabric to be sewn, and a vertically movable presser bar (12; 42) having a presser foot (13; 43; 63) and a...
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5331909 |
Presser foot and needle drive device in an embroidery machine
A presser foot and needle drive device in an embroidery machine includes a drive mechanism and a control device for vertically reciprocally moving a presser foot between upper and lower dead...
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5144900 |
Control device for sewing machine
A control device for sewing machines which includes a drive system controller which controls each of numerous driving units provided in the sewing machine and which is connected to an optional...
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4957053 |
Linking mechanism for sewing machine
A transmission mechanism used for sewing machines equipped with a carriage comprising a base plate having an opening, a fixing clamp for mounting the base plate to the carriage, and an apparatus...
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4757775 |
Chain stitching apparatus
Apparatus for reinforcing or attaching composite structural materials by chain-stitching. A reciprocating head is powered to alternate between outward and return motions. A needle is mounted for...
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4716846 |
Sewing machine with workpiece holder for securing initial seam stitches
A sewing machine which is used with manual feed movement of a sewing material has a holding device for the material that is effective during the first phases of stitching of a seam section, by...
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4706588 |
Fast-release sewing machine control device
In a sewing machine which is so designed that its cloth presser driven to press a material to be sewn for a sewing operation is automatically released when the sewing operation is ended, a sewing...
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4704978 |
Sewing machine having an automatic control system
A sewing machine has an automatic control system. This system provides for an automatic sewing mode for sewing according to previously stored sewing data and an ordinary sewing mode for sewing...
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4676179 |
Presser device for sewing machine
A presser device for a sewing machine, comprising: pressing means reciprocally movable between a holding position in which it presses and holds a workpiece and a releasing position in which it is...
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4658742 |
Electronic controlling equipment for driving systems with electromagnetic couplings for industrial sewing and/or overcasting machines
The invention relates to an electronic system for the continuous speed control, with stopping at fixed preselected points for industrial sewing and/or overcasting machines. The invention also...
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4587911 |
Workpiece holding-down device in a sewing machine
A sewing machine with a workpiece holding-down device comprises an arm movable between an upper position and a lower position and normally biased to the upper position. An auxiliary workpiece...
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4561367 |
Lockstitch sewing machine
A lockstitch sewing machine has a needle (22) and awl (24) mounted on a common pivot (52) and actuated each by a crank mechanism (40;72), the two mechanisms being mounted on a common crank shaft...
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4553490 |
Lockstitch sewing machine
A lockstitch sewing machine has, in addition to stitch forming instrumentalities (22, 24), a needle thread control arrangement (32) by which the tension in the needle thread (T2) is controlled...
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4546716 |
Double overlock seamer
In a sewing machine for performing twin overedging and seaming in one high-speed operation, specially designed top and bottom variable feed dogs pull the two plies through a three needle stitching...
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4538533 |
Workpiece holding-down device for a sewing machine
A workpiece holding-down device for a sewing machine comprises a spring-loaded presser bar and foot assembly supported in the framework of said sewing machine, a drive mechanism for moving said...
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4462323 |
Presser foot lift for needle feed in a sewing machine
A means for selectively elevating a presser foot out of pressure contact with a work material when a sewing needle extends through the work material. The device includes a needle bar lever...
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4454830 |
Sewing machine presser foot having changeable zone of reciprocation
A sewing machine having a needle and a presser foot that are reciprocated in synchronism and an arrangement for changing the zone of reciprocation of the presser foot during the reciprocations of...
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4246856 |
Presser foot lift operable independently by manual or power devices
A sewing machine is described having a presser foot lifting arrangement actuated by a presser lifting rock shaft in the sewing machine arm and both a power operated presser lifting device such as a...
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4230056 |
Automatic thread wiper for sewing machines
A sewing machine with a thread cutting device, a pneumatic/automatic presser foot lifter and an air hose attached to the exhaust of the presser foot lift cylinder or its solenoid valve, the air...
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4067275 |
Device for sewing machines for displacing sewn material for a short period of time
A device for sewing machines for displacing sewn material for a short period of time, comprises a shifting foot which is mounted on a bracket on the main frame of the sewing machine with a parallel...
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3779184 |
FEED DOG AWL ASSEMBLY
A feed dog awl assembly for making pilot holes for a sewing machine needle includes a foot subassembly having means operable to drive the sewing foot in a vertically oscillating motion and an awl...
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3759202 |
SELF-CENTERING FOOT FOR SEWING MACHINES
The present invention comprises a pressure foot assembly operable to resiliently urge layers of fabric downwardly against a feed dog assembly of a sewing machine and which may be urged rearwardly...
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3734041 |
SEWING MACHINE PRESSER FOOT
The presser foot has a sole hinged on an intermediate support member which is pivoted on a main support member through a deformable parallelogram of links. The main support has a yoke and screw to...
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3721204 |
AUTOMATIC NEEDLE POSITIONING AND PRESSER FOOT LIFTING MECHANISM
Needle cooling apparatus, and needle and presser foot position controlling apparatus for use with sewing machines of the type having reciprocable needles and a raisable and lowerable presser foot,...
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3667410 |
DRIVE AND CONTROL SYSTEM IN SEWING MACHINES PRODUCING GROUPS OF STITCHES
The present invention is a pneumatically actuated control system for sewing machines to begin and end the sewing cycle and simultaneously to place and retain the work clamp or presser foot into...
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3661102 |
CONTROL SYSTEM FOR CYCLICALLY OPERATED STITCHING MACHINES HAVING A DUAL PRESSER FOOT
A control system for cyclically operated stitching machines having a dual presser foot wherein the functions of presser foot manipulation and machine starting are brought about by movement of a...
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3633525 |
DEVICE FOR ADJUSTING IN HEIGHT THE FABRIC PRESSER IN MULTINEEDLE QUILTING MACHINES
There is provided a device for adjusting simultaneously, on all the supporting bars, the initial height of the fabric presser in a multineedle quilting machine. On the needle-controlling bar a cam...
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3541982 |
PNEUMATIC DRIVE SYSTEM FOR THREAD CUTTING DEVICES FOR SEWING MACHINE
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3538872 |
ADJUSTABLE JUMP STITCH ATTACHMENT
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3473497 |
PRESSER FOOT ADJUSTING MEANS
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3410238 |
Needle bar and presser foot control device for automatic sewing and embroidering machines
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3359931 |
Workpiece controlled sewing machine
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3298341 |
Sewing machine control system
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3245369 |
Servosystem for sewing machines
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3230915 |
Presser foot drive for sewing machines
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3187700 |
Sewing machine having automatic interrupter
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3051110 |
Power control unit for sewing machines
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2990795 |
Automatic clamp opening mechanisms for sewing machines
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2970557 |
Control device for the operation of sewing machines
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2955554 |
Presser attachment for sewing machine
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