Matches 1 - 50 out of 81 1 2 >
Match Document Document Title
7490567 Seam puckering preventing shuttle device of sewing machine  
A puckering preventing shuttle device of a sewing machine capable of providing high quality stitches without producing puckering by eliminating needle thread extraction resistance on the outer...
6745712 Fully rotatable shuttle  
A shuttle body 3 having aloop seizing beak 10 for seizing a needle thread 9 is rotatably attached to a shuttle race body 2 , pressed by a driver 4 , and continuously rotated in a rotation...
6047653 Sewing machine with a take-up lever moving up and down through one cycle per revolution of a rotary cylindrical hook base  
A sewing machine for forming a "lock stitch" in a fabric material includes a reciprocally-mounted needle bar, a reciprocally-mounted needle thread take-up lever, and a rotary hook assembly located...
5974995 Vertically fully rotating hook with needle guiding surface  
A wall of an inner loop taker includes a guiding surface, a first vertical surface which extends continuously to an inward end of the guiding surface in a radial direction of the inner loop taker...
5791272 Sewing machine with detachable and independently driven loop taker module  
A sewing machine including a head portion for mounting a needle with a needle thread; a needle drive motor for driving the needle; a bed portion; and a loop taker module detachably fixed to the bed...
5762013 Bobbin casing assembly and sewing machine having same  
A bobbin casing assembly for a sewing machine having a driver, a main shaft, and a needle bar. The bobbin casing assembly comprises a bobbin casing and an engaging member protruding outwardly from...
5492072 Half-turn hook with loop positioning surfaces  
A half-turn hook for positioning a needle thread loop between a needle and a bobbin at the time of stitching, the half-turn hook comprises a shuttle race body, a rotatable shuttle body, a bobbin...
5450804 Lock stitch machine  
A lock stitch machine capable of being selectively set for either an overcasting mode or a hemming mode. A needle plate tongue is shifted between an operative position and an inoperative position...
5333560 Programmed lock stitch sewing machine having display  
A lock stitch machine that has a liquid crystal display screen capable of displaying pages respectively containing choices, instruction messages and guidance messages; a display controller for...
5168826 Stitching sewing machine having inclined needle axis  
An axis of a needle is inclined with respect to an imaginary plane perpendicular to an axis of a lower shaft. The lowermost position of the needle where it comes closest to a loop taker is spaced...
5029544 Oscillating loop taker for a sewing machine  
An oscillating loop taker includes a bobbin case holder having a needle thread guiding projection which with a wedge forms a recess in which fits a driver member. A radial dimension from an axis of...
4970975 Rotary looptaker  
A rotary looptaker includes a looptaker body rotatable about a vertical axis and a bobbin case restrained from rotary motion with the looptaker body. A plurality of annular protrusions are provided...
4825786 Sewing method and apparatus  
A method and apparatus for forming stitches with a sewing machine by periodically rewinding needle thread onto its spool as a sewing needle pulls off bobbin thread so as to form tight lock stitches...
4757774 Needle guide in a sewing machine  
A needle guide integrated in a thread cutter of a sewing machine installed with a hook operating about a horizontal axis and a feeding mechanism generating a relative movement as a feed motion...
4590878 Decorative stitch type and method of and apparatus for producing same  
A new stitch type and a method of and an apparatus for making same in which the loop is passed through the fabric through one hole and is returned through another hole and then is passed around a...
4434734 Anti-spill device for sewing machine bobbin  
A non-spill bobbin case device having a bobbin thread tension spring and a direct bobbin thread path extending from the bobbin thread tension spring across the bobbin case device spaced from the...
4395961 Underbed thread trimmer for horizontal axis hooks  
A horizontal axis loop taker is actuated by a loop taker shaft supported in an eccentric opening in a rotatable bearing located immediately adjacent the loop taker. In a first position of the...
4344375 Sewing machine with a looper arranged above the point of stitch formation  
A sewing machine for sewing workpieces, comprises a stationary bottom part with an arm which has one end pivotally mounted on the bottom part and an opposite end overlying the bottom part. The arm...
4296701 Threading arrangement for chainstitch sewing on a sewing machine  
A chainstitch thread guide is formed with a thread guiding trough which extends into a channel on one side of a partitioning wall in a sewing machine to receive needle thread extending upwardly...
4289085 Bobbin loading apparatus for sewing machines  
A device for automatically supplying thread to the bobbin of a sewing machine of the kind wherein there is a thread feed tube arranged to receive the thread from a bulk source, a predetermined...
4284017 Rotary hook for sewing machine  
A rotary hook and bobbin assembly for a lock-stitch sewing machine. The bobbin has no case but has a flat end plate and a convexly curved end plate. The bobbin holder has a post with a means for...
4279210 Looper thread tension device  
A double-lock-stitch sewing machine in which the needle-thread loop on the underside of the workpiece on a stitching plate is engaged with a gripper thread by the rotating gripper associated with...
4244313 Automatic, in situ bobbin spool loading  
Thread-loading apparatus for loading a bobbin spool with a predetermined length of thread between sewing operations wherein there is a reciprocal loading tube arranged to receive and draw thread...
4142475 Bobbin thread case opener  
A lock stitch sewing machine having a rotary loop taker adapted to carry a loop of thread about a stationary bobbin thread case. The bobbin thread case is restrained from rotation by a finger which...
4137858 Gripper and bobbin assembly for double-lock-stitch sewing machine  
A bobbin and gripper assembly for a double-lock-stitch sewing machine has a stitch plate lying in a horizontal plane and a gripper rotatable in a horizontal plane below the stitch plate and...
4074643 Rail-bearing for rotary shuttles  
A rail-bearing for the shuttle in a shuttle type sewing machine in which the shuttle housing is provided with a circular rail formed to mate with a circular groove in the shuttle. This rail-groove...
3971232 Rotary knitting machine  
A knitting machine capable of forming filaments of yarn, thread, and the like into a loop-in-loop arrangement includes a plurality of rotary needles which are axially spaced for rotation about a...
3921551 Lock stitch sewing machine having a rotatable shuttle  
A lock stitch sewing machine, comprises a sewing machine housing having a bed plate with an opening therethrough, with a needle reciprocating on one side of the opening and a rotatably mounted...
3882805 Hook gate for flat bed sewing machines  
A hook gate for flat bed sewing machines characterized in that the hook is inclined relative to a horizontal line and is placed into a recess formed in the upper portion of the sewing machine bed,...
3804042 SEWING MACHINE WITH IMPROVED BASTING STITCH MECHANISM  
A sewing machine in which a simplified basting stitch mechanism is incorporated. A circular moving loop taker is cooperable with the needle in the production of stitches. Intelligence record means...
3625169 CHAIN-STITCH-FORMING DEVICE FOR LOCK-STITCH SEWING MACHINES  
A chain-stitch-forming member is fitted into the loop of a lock-stitch sewing machine in place of the usual bobbin case. The chain-stitch-forming insert member has a loop retaining projection for...
3536022 FULL-ROTARY SHUTTLE DEVICE FOR A SEWING MACHINE  
3509840 LOCKSTITCH SEWING METHOD AND SYSTEM PROVIDING BOBBINLESS FEED OF THE BOTTOM THREAD FROM A BULK SOURCE  
3476068 SEWING HOOK AND BOBBIN  
3447499 ROTARY LOOP FORMING DEVICE FOR SEWING MACHINES  
3398710 Lock stitch sewing machine thread case  
3396688 Rotary looping device for a sewing machine  
3387579 Automatic needle bar positioner  
3386400 Bobbin thread preplenishment mechanism for lockstitch sewing machines  
3381642 Bobbin case holder for sewing machines  
3381643 Bobbin-supporting assemblies for sewing machines  
3380413 Toy sewing machine  
3374755 Thread replenishing mechanisms for lockstitch sewing machines  
3362363 Baste sewing process  
3343510 High speed rotary hook  
3334604 Thread replenishing mechanisms for sewing machines  
3332381 Automatic underthread winding apparatus for lockstitch sewing machines  
3331343 Bobbin thread replenishing programming mechanisms for sewing machines  
3329114 Electric sewing machine  
3308776 Sewing machines having bobbin thread replenishing means  
Matches 1 - 50 out of 81 1 2 >