US 7,350,472 B2 · Work positioning device

Abstract

A work positioning device for a computer sewing machine includes an auxiliary table and a positioning arm having one end removably and turnably connected to the auxiliary table. The positioning arm has the opposite end provided with a positioning part and may be turned between an upper position where the positioning part is spaced from the upper surface of the auxiliary table and a lower position where the positioning part is in contact with the upper surface of the table, the positioning part having a reference mark provided for showing an initialized position for starting the pattern stitching operation when the embroidery frame is connected to the carriage.

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Claims16

Dependent claims

A work positioning device for a computer sewing machine having a memory for storing therein a pattern data of a plurality of different embroidery patterns which are selectively read out of the memory to drive a carriage of the sewing machine carrying an embroidery frame holding a work to be embroidered, thereby to control an operation of the embroidery frame relative to a machine needle, the embroidery frame being set to an initialized position prior to starting an embroidery stitching operation, said work positioning device comprising:

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position that is one of a plurality of frame supporting positions of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table.

2 more elements

a table having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said table and a lower position where said positioning part is in contact with the upper surface of said table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines may come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position that is one of a plurality of frame supporting positions of said carriage, while said embroidery frame is connected to said frame supporting portion of said table.

2 more elements

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage:
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work:
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said frame supporting portion comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

3 more elements

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning arm holding means comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

3 more elements

A work positioning device for a computer sewing machine having p memory for storing therein a pattern data of a plurality of different embroidery patterns which are selectively read out of the memory to drive a carriage of the sewing machine carrying an embroidery frame holding a work to be embroidered, thereby to control an operation of the embroidery frame relative to a machine needle, the embroidery frame being set to an initialized position prior to starting an embroidery stitching operation, said work positioning device comprising:

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning arm comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

3 more elements

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning arm is positionally adjustable to a plurality of frame attaching portions provided at said carriage.

3 more elements

A work positioning device for a computer sewing machine having a memory for storing therein a pattern data of a plurality of different embroidery patterns which are selective read out of the memory to drive a carriage of the sewing machine carrying an embroidery frame holding a work to be embroidered, thereby to control an operation of the embroidery frame relative to a machine needle, the embroidery frame being set to an initialized position prior to starting an embroidery stitching operation, said work positioning device comprising:

a table having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding mean provided on said table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said table and a lower position where said positioning part is in contact with the upper surface of said table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines may come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said table,
wherein said frame supporting portion comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

3 more elements

A work positioning device for a computer sewing machine having a memory for storing therein a pattern data of a plurality of different embroidery patterns which are selectively read out of the memory to drive a carriage of the sewing machine carrying an embroidery frame holding a work to be embroidered, thereby to control an operation of the embroidery frame relative to a machine needle, the embroidery frame being set to art initialized position prior to starting an embroidery stitching operation, said work positioning device comprising:

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having p positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning part includes a transparent plate having said reference mark of crossed lines provided thereat showing the initialized position for starting the pattern stitching operation when said embroidery frame is connected to said carriage of the sewing machine, and
wherein said frame supporting portion comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

4 more elements

a table having portion provided therewith for supporting said embroidery frame, said frame supporting portion of the table corresponding to one of a plurality of positions or said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said table and a lower position where said positioning part is in contact with the upper surface of said table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines may come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said table,
wherein said positioning arm holding means is provided in a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

3 more elements

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed limes being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning part includes a transparent plate having said reference mark of crossed lines provided thereat showing the initialized position for starting the pattern stitching operation when said embroidery frame is connected to said carriage of the sewing machine, and
wherein said positioning arm holding means comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

4 more elements

A work positioning device for a computer sewing machine having a memory for storing therein a pattern data of a plurality of different embroidery patterns which are selectively read out of the memory to drive a carriage of the sewing machine carrying an embroidery frame holding a work to be embroidered, thereby to control an operation of the embroidery frame relative to machine needle, the embroidery frame being set to an initialized position prior to starting an embroidery stitching operation, said work positioning device comprising:

a table having a portion provided therewith for supporting said embroidery flame, said frame supporting portion of the table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said table and a lower position where said positioning part is in contact with the upper surface of said table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines may come in accord with said reference mark, thereby to confirm a position of said work to beheld by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said table,
wherein said positioning arm comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

3 more elements

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning pad is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning part includes a transparent plate having said reference mark of crossed lines provided thereat showing the initialized position for starting the pattern stitching operation when said embroidery frame is connected to said carriage of the sewing machine, and
wherein said positioning arm comprises a plurality of numbers in accordance with the number of said frame attaching portion provided at said carriage.

4 more elements

a table having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said table, said positioning arm having positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said table and a lower position where said positioning part is in contact with the upper surface of said table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines may come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said table,
wherein said positioning arm is positionally adjustable to a plurality of frame attaching portions provided at said carriage.

3 more elements

an auxiliary table of the computer sewing machine having a portion provided therewith for supporting said embroidery frame, said frame supporting portion of the auxiliary table corresponding to one of a plurality of positions of said carriage;
a positioning arm having one end removably and turnably connected to a holding means provided on said auxiliary table, said positioning arm having a positioning part provided at an opposite end for positioning said work so that a selected pattern may be stitched at an optional position of said work;
said positioning arm being movable between an upper position where said positioning part is spaced from an upper surface of said auxiliary table and a lower position where said positioning part is in contact with the upper surface of said auxiliary table;
said positioning part having a reference mark of crossed lines provided thereat, said reference mark showing a an initialized position for starting a pattern stitching operation when said embroidery frame is connected to said carriage;
said work having a mark of crossed lines provided at an optional position thereof, said mark of crossed lines being put upon said reference mark of crossed lines of said positioning part so that the mark of crossed lines come in accord with said reference mark, thereby to confirm a position of said work to be held by said embroidery frame, the position of said work corresponding to the initialized position of said carriage, while said embroidery frame is connected to said frame supporting portion of said auxiliary table,
wherein said positioning part includes a transparent plate having said reference mark of crossed lines provided thereat showing the initialized position for starting the pattern stitching operation when said embroidery frame is connected to said carriage of the sewing machine, and
wherein said positioning arm is positionally adjustable to a plurality of frame attaching portions provided at said carriage.

4 more elements

Dependencies are inferred from the claim text.

Description5,330 words

Summary1,874 words

#1. Field of the Invention

#The present invention relates to a work positioning device and more particularly relates to a device for positioning a work to be embroidered by means of a computer sewing machine.

#2. Description of the Related Art

Brief description of the drawings16 figures

#FIG. 1(a) is a perspective view of a work positioning device of the invention which is substantially composed of a work positioning arm and an auxiliary table. (b) is a plan elevational view of the work positioning device of (a).

#FIG. 2(a) is a perspective view of the work positioning device of the invention wherein a embroidering frame is going to be mounted to the auxiliary table. (b) is a perspective view of the work positioning device wherein the work positioning arm is operated after the embroidering frame is mounted to the auxiliary table.

#FIG. 3(a) is a perspective view of the work positioning device of the invention wherein the work positioning arm is swingingly moved up from the auxiliary table. (b) is a perspective view of a sewing machine having the auxiliary table attached thereto.

Detailed description2,776 words

#The invention will be described in detail in reference to the attached drawings. As particularly shown in FIG. 3(b), a computer sewing machine is substantially composed of a standard 1, a machine arm 2, a machine bed 3 and a machine base 4. In the machine arm 2, there is provided a needle bar having a needle attached at the lower end thereof and being vertically reciprocated by an upper drive shaft. In the machine bed 3, there is provided a lop taker which carries a lower thread therein and is rotated in synchronism with the needle bar to catch the upper thread carried by the needle, thereby to interconnect the upper and lower threads so as to form stitches on a work or cloth to be stitched.

#In the machine base 4, there is provided an X-Y drive mechanism, though not shown, which is driven by stepping motors in X and Y directions, thereby to move a carriage 6 in the X and Y directions in a compound movement, the carriage 6 being an output end of the X-Y drive mechanism and extending out of the machine bed 3 at the rear side thereof with the upper surface located at a substantially same level with the upper surface of the machine bed 3. The carriage 6 is provided to removably support an embroidery frame 7 at the neck 8 thereof. The embroidery frame 7 includes an inner frame 9 for holding a work or cloth W in a tightened condition as shown in FIG. 2(a), (b).

#A work positioning device A that is a device A for positioning a work W to be embroidered is substantially composed of a work positioning arm 10 and an auxiliary table B which has an upper flat surface for supporting the embroidery frame 7 as shown in FIGS. 1-3. The positioning arm 10 and the auxiliary table B may be detachably connected to each other. As shown in FIG. 4(a), the positioning arm 10 is composed of an arm plate 10a a positioning part 11 at one end of the arm plate 10a, a bent portion 10b at the opposite end of the arm plate 10a. The bent portion 10b has an upper end connected to the arm plate 10a and has a connecting part 12 formed at the lower end thereof.

Work positioning device

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Work positioning device

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Abstract

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Claims16

Description5,330 words

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Classification4 codes

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Description5,330 words