Matches 1 - 50 out of 65 1 2 >
Match Document Document Title
7617786 Pressure adjustment structure for a presser foot of a sewing machine  
A pressure adjustment structure for a presser foot of a sewing machine, wherein one end of a horizontal arm of the sewing machine is disposed with a presser bar of the presser foot, and an elastic...
7574970 Presser for sewing machine and sewing machine  
A presser device for a sewing machine includes a first lever having a cloth pressing portion which is swingably mounted on a presser foot, the cloth pressing portion being swung so as to be...
7438008 Sewing machine  
Sewing machine includes a needle bar that is vertically moved to perform a sewing operation, a fabric holder supported on the needle bar in such a manner that the fabric holder is vertically...
7325501 Presser foot lifting lever for sewing machine and sewing machine  
A presser foot lifting lever for a sewing machine includes a lever body rotatably supported about a horizontal shaft center by a head; a handle operated by the user; and a connecting portion...
6637357 Overlock sewing machine  
A two-needle overlock sewing machine comprises a throat plate and a middle tongue. The throat plate has an opening needle hole and an outer tongue. The middle tongue is disposed parallel to the...
6591769 Device for adjusting the checking unit of a presser foot used in a sewing and/or embroidery machine  
The invention relates to a device for adjusting a checking unit of a presser foot, used in a sewing or embroidery machine. A needle bar moves the presser foot towards a needle plate, using a spring...
6520101 Sewing machine with a device for adjusting a pressure applied to a pressure bar and a device for lifting the presser bar  
A sewing machine is disclosed, wherein a downward pressure normally applied to the presser bar may be optionally adjusted in response to a selected pattern of stitches, and further may be reduced...
6415725 Sewing machine with a work pressing bar positioning device  
A sewing machine with a work pressing bar positioning device is disclosed, the sewing machine substantially comprising a work pressing bar holding mechanism including an upper holder movable...
6164225 Arch clamp foot lifting apparatus  
Since a solenoid device generates the maximum drawing force at the final position of the retracting stroke of a plunger when it retracts into the solenoid device, the drawing force becomes so large...
6135039 Arch clamp foot pressing device  
When arch clamp feet are replaced with other, set screws fastening a retaining plate are all removed, and the same set screws are fastened again to the retaining plates after the replacement of the...
6073567 Presser foot device for a sewing machine  
The load which is applied during a period when a presser foot is retracted is reduced, and the time period required before the restart of the sewing operation is shortened. A swing member which is...
6070540 Holing sewing machine  
A holing sewing machine including a workpiece-presser elevating and lowering mechanism which elevates and lowers a workpiece presser, a needle-thread cutting mechanism which cuts a needle thread...
5960730 Presser foot actuating device  
An actuating device (54) for lifting the presser foot (53) of a sewing machine. A piston (14) having a piston rod (15) is supported on the bearing (13) which guides the presser foot support rod...
5609116 Sewing machine including cloth presser lever lifting  
A miniature handy electric sewing machine includes a casing including a grip portion, a sewing table projecting from one end of the casing, a sewing head pivotally mounted on a rear end of the...
5495817 Pedal mechanism for operating presser and motor in sewing machines  
This invention is a dual foot pedal control for a sewing machine consisting of a foot activated tiltable pedal assembly mounted on a base member which is attached to a stabilizing mat. The...
5461997 Sewing machine having presser foot lifting device for adjusting a presser foot between first, second, and third positions  
A sewing machine of the type having an electronic control unit is provided with an arrangement comprising a needle mechanism with a needle bar, a presser bar (12) provided with a presser foot (13)...
5220877 Presser foot lifter attachment for sewing machine  
A pressure foot lifter mechanism is installed as an attachment on any sewing machine. In a preferred embodiment, a clamp is attached to the presser foot lifter bar of a sewing machine, and a coil...
5138962 Sewing machine with an upper feed mechanism  
Sewing machine with an upper feed mechanism is provided with a stroke-adjusting system in which the drive connection between the upper feed foot and the presser foot has a three-position control...
5080031 Needle thread holding device in sewing machine  
A sewing machine having a needle thread cutting unit and a needle thread holding device for holding a cut leading end portiion of the thread drawn from an eye of a needle. The needle thread holding...
5042406 Presser foot device for a sewing machine  
In a sewing machine, a pivotable lever is provided in accordance with the present invention which carries a presser foot which is brought by an actuating device from a low position to a high...
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...
4840135 Sewing machine controller inhibiting sewing in unsafe conditions  
A sewing machine controller which inhibits compensation sewing if the cloth presser is raised, if the treadle switch is activated or a proximity switch mounted near the needle detects the...
4709644 Sewing machine presser foot lifting apparatus  
An apparatus for lifting the presser foot of a sewing machine prevents the bar guide bracket from rotating outward even when the presser foot is unintentionally raised due to a thick workpiece. As...
4706587 Presser foot lifter in sewing machine  
This invention relates to a presser foot lifter in a sewing machine. The presser foot lifter comprises a pressure relief mechanism for lessening the force of a spring means adapted to bias a...
4694764 Laterally swingable sewing machine presser device  
The presser-foot of the fabric presser device in a sewing machine is pivotable about an axis of a presser-bar in order to provide space in the stitching region of a needle in order to allow...
4674424 Presser foot lifting mechanism  
In a sewing machine, a presser foot lifting mechanism provides two springs, a first spring the compression of which can be changed by a solenoid actuated coil linkage and a second spring the...
4567838 Apparatus and process for dropping feed dog and lifting presser foot simultaneously  
The lifting device (19) of the presser foot (21) of a sewing machine is operable through the use of an operating axle (18) and a toggle lever (20). The operating axle (18) is connected to a slide...
4522133 Feed controlling arrangement for button sewing machine  
A button sewing machine is provided on a fabric and button positioning plate with a thread supporting tongue to extend longitudinally in a needle hole into engagement with the underside of fabric...
4498407 Sewing machine work piece turning device  
A sewing machine has a feed for the workpiece which is to be sewn. A workpiece conveyor performs a skipping feed movement below the workpiece. Above the workpiece a turning device enables the...
4480564 Button locating clamp for sewing machines  
A work holding clamp for a four hole button sewing machine includes a button holding foot formed with a needle accommodating aperture having an hourglass shape with four recesses arranged at the...
4466369 Control device for the presser mechanism of a sewing machine  
A double lever is provided having a forward arm which is operatively connected to a collar of a presser bar and a rearward arm which is connected via a linkage to an operating lever. A guide arm is...
4459927 Arrangement for signaling presser bar position  
An arrangement for changing the condition of an electrical circuit path when the presser bar lifter is pivoted to lift the presser bar uses a modified thread tension release cam which pivots with...
4457245 Bobbin winding actuation by presser foot up switch  
An apparatus and method for implementing bobbin winding in place in a looptaker of a sewing machine. When a presser foot lift lever is manipulated to elevate a presser foot, and the sewing machine...
4409914 Multi-stage presser lifter device  
A presser lifting arrangement for an industrial sewing machine having a knee shift device which manually elevates a presser foot to a height above the work fabric to permit free movement of the...
4403561 Presser bar spring-connection  
An axially aligned presser bar collar and presser bar bushing in a sewing machine are connected by a helical spring having one end portion affixed to the collar and having the opposite end portion...
4388886 Reduced load presser bar  
A reduced load presser bar mechanism having a separate secondary spring that may easily be disengaged or engaged by the operator to counter balance the biasing force of the primary presser bar...
4372237 Two dimensional feed for monogram sewing machine  
A monogram sewing system comprising a monogram sewing machine capable of needle feeding as well as underbed feed dog feeding of the work piece, an articulated presser foot, and a work holding frame...
4342272 Presser bar biasing spring structure  
A tension spring concentric with the presser bar pulls the presser foot down against the work. The spring is threaded onto two holders, each of which fits around the presser bar. The first holder...
4333407 Lifting device for the presser foot of a sewing machine  
A lifting device for the presser foot of a sewing machine comprising an operating lever provided on a front face of the sewing machine for synchronous knee or arm operation. The operating lever is...
4323024 Presser bar guide  
A hollow bushing (22 or 54) that guides a presser bar (21) to move in a longitudinal direction is threaded at one end (29 and 30). The outer surface of that end is round and, below the thread (59),...
4323020 Apparatus for overcoming sewing machine needle bind  
An apparatus for limiting the displacement of a presser bar reciprocatingly mounted in a frame of a sewing machine is disclosed to include a contact member for contacting the presser bar after the...
4285289 Embroidering machine  
An embroidering machine comprises a plurality of embroidering head each equipped with a plurality of needles formed into a group each with its thread. A needle bar is engageable with one needle at...
RE29972 Safety lockout system for sewing machines  
This disclosure relates to means for preventing the reciprocating needle of a sewing machine from operating in a zig-zag mode when a straight stitch throat plate means is positioned on the work bed...
4073248 Upper roller feed mechanism for a sewing machine  
An improved upper roller feeding mechanism for a sewing machine which mechanism is contained entirely within the head of the frame of the sewing machine and wherein the roller is driven by a drive...
4056071 Combination presser bar lifters and pressure controls  
A presser device for a sewing machine having a rockable member pivotably carried by the sewing machine frame and connected to a presser bar to axially move the same up or down, a pivoted lever...
3815532 NEEDLE BAR RELEASE AND RAISING MECHANISMS  
A mechanism for use in a sewing machine having a latch mechanism affixed to a needle bar and connecting the needle bar to an endwise reciprocating driving mechanism. The mechanism is supported by a...
3815529 MANUAL NEEDLE ELEVATING DEVICE  
A mechanism in a zigzag sewing machine having a basting stitch device which operates by unlatching a needle bar from an endwise reciprocatory drive means during an extreme excursion of a needle bar...
3777686 LINEAR ACTION KNEE LIFTERS  
A knee shift for a sewing machine is disclosed which converts linear motion of a carriage having a kneepad adjustably attached thereto to rotary motion of a rockshaft; which can be used, through...
3669050 PUSH BUTTON PRESSER BAR RELEASE  
A linkage arrangement operating on the presser bar assembly to facilitate the release and controlled descent of the presser foot, or the limited ascent of the presser foot upon the operator's...
3611961 AUTOMATIC WELTING PATCH AND LINER ASSEMBLER AND SEWING DEVICE THEREFOR  
A machine has been disclosed which produces from a facing patch blank and a stiffener blank for it a facing patch used for a welt defining the outlines of a pocket. The machine performs the feeding...
Matches 1 - 50 out of 65 1 2 >