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7493866 |
Thread tension device for sewing machine
A thread tension device includes paired thread tension discs holding a needle thread, a thread tension spring biasing one of the discs toward the other, a thread tension dial adjusting a tension...
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7347152 |
Adjustable positioning device for head of sewing machine
A sewing machine includes a main frame including a needle seat, a beam, and a head supported by the beam. The head includes elements for sewing operation in association with the needle seat. A...
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6843188 |
Sewing machine
A sewing machine includes a mounting member, a needle bar driving mechanism, and a needle thread take-up driving mechanism. The mounting member has two sides mounted on the left and right of the...
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6050206 |
Sewing machine with an adjustable head module
A sewing machine having an adjustable head module, which has a machine body and a machine housing, along with a support plate for supporting a workpiece, and a support arm. Driving device for...
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5886439 |
Motor unit having drive motor and controller
A motor unit having a drive motor, a control portion, and a base made of an aluminum die-casting product. The motor unit is fixed to a fixing stand of a sewing machine for driving a drive shaft...
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5722335 |
Thread cutting device of a sewing machine
A thread cutting device of a sewing machine comprising a groove defined in a sewing machine, the groove extending back and forth and having an opening at a back end thereof, a plurality of thread...
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5662057 |
Connecting device for connecting a cloth pulling arrangement to a sewing machine
A connecting device for connecting a cloth pulling arrangement to a sewing machine including first connecting member having first, second and third connecting portions, a second connecting member...
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5653185 |
Jump foot kit assembly
A jump foot kit assembly for a sewing machine. As such, the invention is particularly useful in providing jump foot capabilities to sewing machines which were not configured by the manufacturer to...
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5642679 |
Machine for producing a reinforcement for a composite component
A machine for producing a reinforcement for a composite component. The machine includes a stand with a subframe having uprights with slideways for mounting a transverse bar on which is mounted a...
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5540165 |
Sewing head driving apparatus for a sewing machine
The invention is directed to a sewing head driving apparatus for a sewing machine which has a table, a lower rotary shaft provided horizontally below a table, a sewing head provided above the table...
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5487348 |
Sewing machine with elongated arm and strengtheing plate
A sewing machine having a body 10, a lengthened arm (12), and a sewing head (14), the body being mounted on bed (16) extending the full length and width of the machine; the lengthened arm (12)...
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5441003 |
Sewing machine having a removable head
A sewing machine is comprised of a bed, an arm having a vertical portion set upright on the bed, and a horizontal portion horizontally extending from the upper end of the vertical portion, an arm...
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5253601 |
Detachable top feed unit for sewing machines
A top feed unit comprises a vertical-movement kinematic mechanism (19) and a horizontal-movement kinematic mechanism (20) acting on a rocking arm (18) supporting a top feed dog (17) and operated by...
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5146861 |
Sewing machine with a built-in driving motor
A sewing machine includes a bed, a pedestal supported by the bed and an arm extending generally parallel to the bed. One end of the arm is supported by the pedestal, this end having a driving motor...
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5125354 |
Sewing machine with a built-in driving motor
A motor for driving a sewing machine is mounted in a machine frame of the sewing machine. A motor shaft of the motor is coaxially connected to a main shaft of the sewing machine by means of a...
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4996934 |
Connecting device for connecting a cloth pulling arrangement to a sewing machine
A connecting device includes first and second connecting members, first and second fixing members and bolts. The first connecting member is fixed to a back of a sewing machine by means of the first...
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4936234 |
Sewing machine with retractable bobbin-carrying rod and thread guide
A handle (2) for a sewing machine has two arms (8, 9) which are swingably mounted on the handle to be retracted into recesses (6, 7) of the handle when they are not used. One arm (8) carries a rod...
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4881478 |
Device for attaching electronic circuit plate of computer-operated sewing machine
In a computer-controlled sewing machine including a standard machine frame and exchangeable electronic control circuit plates inclusive of an operation board, a case for receiving a control circuit...
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4867083 |
Modular sewing machine arranged to control auxiliary devices
A sewing machine comprises a bed 3 on which a work-supporting table 3a is defined and from which a post 4 carrying a cantilevered support arm 5 provided with a needle-holding head 6 at its free...
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4787326 |
Method for operating an automatic sewing device with a sewing head including a rotary housing
A method for operating a sewing automat with a sewing head with a rotary housing provides a compensation signal for a drive motor, in particular for the x- and y-drive motors of the workpiece...
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4787324 |
Automatic sewing device with a sewing head including a rotary housing
At an automatic sewing device the sewing head for generating a tangential movement of the needle feed movement relative to the seam to be produced is provided with a rotary housing for receiving a...
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4718364 |
Sewing machine having a waste material container
A sewing machine has a trimmer and a waste container for trimmed waste fed to it through a guide groove. The waste container that needs little space and also enlarges the workpiece support surface...
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4700645 |
Sewing machine housing construction
A sewing machine housing includes a base to hold the machine's drive mechanism and a covering mounted on the base. To effect an easy alteration of the outer shape, the covering comprises a...
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4691651 |
Tiltable sewing head and underarm for a sewing machine used in conjunction with a workpiece supporting carrier plate
In order to overcome especially large areas of obstacle between a carrier plate for a workpiece to be sewn and a tubular stud arranged at the underarm of a sewing head, the underarm is tiltably...
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4651661 |
Assembly construction for sewing machine
The frame of a sewing machine is divided into a rear frame section (1) and a front cover (2). Mounted on seats formed on the rear frame section (1) are such components as an arm shaft unit (4), a...
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4590875 |
Modular sewing machine
An improved modular sewing machine which has a base unit including a lower horizontal unit and a vertical upright unit to which can be attached demountable upper and lower stitching...
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4574718 |
Sewing machine head including a rotary housing
A sewing device with a sewing head and a feeding device for generating a two-axis-relative motion of a constant velocity between a workpiece to be stitched wherein the sewing head has a rotary...
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4461228 |
Sewing machine frame construction
A sewing machine having a underbed hook rotatable in a horizontal plane includes a needle bar tilted at an angle with respect to a vertical line to displace a sewing needle rearward to a retracted...
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4421042 |
Sewing machine head end module construction
A sewing machine is disclosed in which the stitch forming instrumentalities in the head end including the needle carrying bar, the needle thread take up and tension devices, the presser mechanism...
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4399762 |
Sewing machine housing structure
The machine housing of a sewing machine is divided into a bed part provided with a hollow standard and an arm part which overhangs the flat horizontal face of the machine bed part. The machine arm...
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4333410 |
Sewing machine
A machine body of -shape as viewed in front is formed of a bed, an arm frame laterally disposed above the bed, and an upright support uprightly extended from the bed and supporting one end of the...
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4323023 |
Instructional flip plate informational system
A sewing machine is provided with a hinging system which supports information bearing plates and a cover therefor. The plates are confined and concealed in a recess in the machine when the cover is...
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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...
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4193361 |
Sewing machine construction utilizing subassemblies
A presser and needle bar head end subassembly and a needle bight control subassembly are mounted in the rear casing section of a zig zag sewing machine on coplanar surfaces which establish a common...
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4191119 |
Sewing machines
The invention relates to sewing machines, wherein the needle is mounted on the needle bar with both a transverse offset and an angular offset with respect to the axis of the needle bar. It may be...
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4161152 |
Pretension threading device
A threading device facilitating threading of a pretension device located on the rear surface of the bracket arm of a sewing machine. The threading device has a segment projecting beyond a rear...
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4044701 |
Sewing machine frame with presser foot and needle bar unit
The present invention provides an improvement in assembling a sewing machine in which the machine has an open rear portion through which several units and devices in pre-assembled condition are...
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3972298 |
Pretension threading device
Pretension threading device which includes two thread deflecting means supported on opposite sides of a pretension, and arranged to deflect thread caught and drawn into the thread deflecting means...
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3954073 |
Spool carrier adaptor for a child's sewing machine
A child's sewing machine having a frame including a work-supporting bed, a vertical standard projecting upwardly therefrom adjacent one end of said bed, a hollow bracket arm extending horizontally...
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3420198 |
NEEDLE BAR AND PRESSER BAR SUBASSEMBLY
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3190249 |
Tensioning device for the upper thread in a sewing machine
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D205018 |
Title is not available
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