CN1530484B - Sewing machines - Google Patents
Sewing machines Download PDFInfo
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- CN1530484B CN1530484B CN2004100300144A CN200410030014A CN1530484B CN 1530484 B CN1530484 B CN 1530484B CN 2004100300144 A CN2004100300144 A CN 2004100300144A CN 200410030014 A CN200410030014 A CN 200410030014A CN 1530484 B CN1530484 B CN 1530484B
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- support bar
- cylindrical
- cylindrical cap
- aforementioned
- base plate
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- 238000009958 sewing Methods 0.000 title claims description 27
- 230000013011 mating Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/14—Containers, e.g. vats
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
From the distal end of the cylinder head, one or a plurality of cover supporting rods project in parallel with a looper shaft and so as to avoid interference with a looper. The cylinder cover is provided with fitting parts to fit the cover supporting rods on its inner wall surface. The cover supporting rods have such a length as allows their distal end parts to reach the distal end wall of the cylinder cover or its neighborhood, and fitting keeping means for keeping the fitting state of the cover supporting rods and the fitting parts is provided at proper places.
Description
The application require based on March 17th, 2003 spy in Japanese publication be willing to 2003-072097 number priority.By as a reference, the full content of this application is attached among the application at this.
Technical field
The present invention relates to be furnished with the sleeve neck circumference that is suitable for so-called shirt for example, bottom of s trouser leg of western-style clothes trousers etc. sewn object cylindraceous make operation, the Sewing machines of cylindrical base plate cylindraceous (シ リ Application ダ ベ Star De) roughly.
Usually, if carry out the operation of making for a long time by Sewing machines enforcement, then attached to dusts such as the foreign matter on the sewn object and the end of a thread, be deposited on the feed dog and the feed mechanism below it that is arranged on the cylindrical base plate, therefore the driving to Sewing machines produces obstacle, produce wear problems too early such as sliding part and connecting portion, therefore, be necessary at any time in the cylindrical base plate such dust.And,, be necessary in looper, this line to be set right when looper thread consumption, when making looper (the Le one パ) line that more renews under the situation of cut-out looper thread in the operation process.Therefore, in existing this Sewing machines, but be provided with at the leading section of cylindrical base plate and be used to carry out such dust and remove the peristome that operation and looper thread are changed the switch of operation, but, because the interior shape of cylindrical base plate is for roughly cylindric, so it is very narrow and small that the inner space is compared with the Sewing machines of other kind, thereby, it is inner to form the state that is almost filled up by looper and feed mechanism, especially, be used for the thin tubular sewn object of diameter, reach in the Sewing machines with elongated cylindrical base plate of filling limit, this problem is remarkable especially, and it is extremely loaded down with trivial details to change operation via above-mentioned peristome removal dust and looper thread.
Therefore, in order to address the above problem, proposed to shorten cylindrical base plate length so that looper and feed dog etc. expose fully from the leading section of cylindrical base plate, to removably be set to the scheme on the leading section of cylindrical base plate simultaneously round the cylindrical cap (シ リ Application ダ カ バ one) of looper that exposes thus and feed dog, and in market, provide (for example, with reference to No. 158836 communiques of Republic of China's patent announcement (Fig. 1, Fig. 2), No. 465596 communique of Republic of China's patent announcement (Fig. 1, Fig. 2, Fig. 4, Fig. 5)).
Figure 11 to Figure 14 is an example of the above-mentioned Sewing machines of expression.Figure 11 is the summary overall perspective of Sewing machines, Figure 12 is that the summary of the leading section of cylindrical base plate is amplified decomposition diagram, Figure 13 is the cutaway view of cylindrical base plate, and Figure 14 is the cylindrical base plate of expression and is arranged on the interior curved needle shaft of this cylindrical base plate and the summary decomposition diagram of looper.
As shown in figure 11, this Sewing machines is furnished with the roughly cylindraceous cylindrical base plate 50 with the shape that sewn object cylindraceous can be enclosed within its outside, in this cylindrical base plate 50, as Figure 13 and shown in Figure 14, from the outstanding state of the front end of cylindrical base plate 50 curved needle shaft 51 is set with leading section.And, on the leading section of cylindrical base plate 50, cylindrical cap 55 removably is set, and this cylindrical cap 55 is arranged on looper 53 on this leading section round the leading section of curved needle shaft 51 and via looper platform 52, has simultaneously to embed the peristome 56 that needle plate 54 is installed on upper surface.And, though in diagram, be omitted,, in above-mentioned cylindrical base plate 50, feed dog in utilization is installed in the slit of above-mentioned needle plate 54 is provided with sewn object abreast with curved needle shaft on the top position of feed mechanism that the basic direction of cylindrical base plate 50 is sent to and above-mentioned curved needle shaft.
On above-mentioned cylindrical cap 55, as shown in figure 12, on its distolateral end edge, be provided with two mount pins 57,57, on the other hand, run through corresponding to these mount pins 57,57 that on the front end face of cylindrical base plate 50 a pair of installing hole 58,58 being set.And, disc spring 59,59 ground that the mount pin 57,57 of cylindrical cap 55 clamps separately are inserted in the above-mentioned installing hole 58,58, be engaged on the holding section 62 that is formed on cylindrical cap 55 bottoms by snap-latch piece 61 elasticity that will utilize screw 60 to be installed to below the leading section of cylindrical base plate 50, cylindrical cap 55 can be installed on the leading section of cylindrical base plate 50 removably.In addition, the symbol among the figure 63 is represented the patchhole that runs through of curved needle shafts 51.
But, in above-mentioned existing Sewing machines, have following problems.
Promptly, when the mount pin 57,57 with cylindrical cap 55 is inserted in the installing hole 58,58 of cylindrical base plate 50, because installing hole 58,58 is positioned on the position of bending needing mechanism and feed mechanism below, so these two mechanisms become obstacle, make the operator be difficult to confirm the position of installing hole 58,58, when particularly in making operation process, carrying out the insertion operation of new looper thread, in most cases, because the cloth of making in the process covers on cylindrical base plate 50, so the extremely difficult position of confirming installing hole 58,58.Therefore, the operator is necessary to bend over one by one and confirms the position of installing hole 58,58 when cylindrical cap 55 being installed on the cylindrical base plate 50, has the problem of the non-constant of operability.And, at this moment, mount pin 57,57 by welding on the end edge that waits the base end part that is installed to the thinner thickness portion that constitutes cylindrical cap 55, simultaneously, its length is also only for being enough to cylindrical cap 55 is positioned the relatively shorter degree of fixing degree, so, when making, can not fully bear the brute force that cylindrical cap 55 is applied from the top impacts, the result, the cylindrical cap 55 that exists the vibration owing to Sewing machines to cause is easy to come off, the problem that the vebrato of cylindrical cap strengthens is because metal fatigue mount pin 57,57 fracture from root, have the problem of durability deterioration.
Summary of the invention
The present invention proposes in order to solve the existing the problems referred to above of above-mentioned existing sewing machine, its objective is that a kind of operability of cylindrical cap is provided is good, and the Sewing machines of resistance to impact and good tolerance.
To achieve these goals, according to Sewing machines of the present invention, in cylindrical base plate with the roughly tubular that the tubular sewn object can be overlapped shape outside, the outstanding state of front end of in the past stating cylindrical base plate with leading section is provided with curved needle shaft, removably be provided with around the leading section of this curved needle shaft and be arranged on looper on this leading section at the front end of aforementioned cylindrical base plate, and has the cylindrical cap that embeds the peristome that needle plate is installed in the above, in such Sewing machines, it is characterized in that, so that mode parallel with aforementioned curved needle shaft and that do not disturb with aforementioned looper is outstanding 1 or many lid support bars are set from the front end of aforementioned cylindrical bottom plate, on the other hand, in aforementioned cylindrical cap, wall is provided with the aforementioned cover support bar and embeds the embedding auxiliary section that cooperates within it, the aforementioned cover support bar has front bulkhead or near the length it that its leading section arrives aforementioned cylindrical cap, simultaneously, be provided with the embedding cooperation maintaining body of the embedding mated condition that keeps this lid support bar and aforementioned embedding auxiliary section in position.
In such Sewing machines, because the lid support bar is from the front end and the outstanding abreast setting of curved needle shaft of cylindrical base plate, so be easy to confirm to cover the position of support bar, can observe on one side easily make on one side and cover support bar and overlap with the position of the fitting portion of its embedding matched cylindrical lid from the top.
And, so the lid support bar simultaneously, has front bulkhead or near the length it that leading section arrives cylindrical cap from owing to outstanding being set to than cylindrical cap farther place of the firm cylindrical base plate of wall thickness, thereby, good resistance to impact and durability had.
And then, utilize to embed to cooperate maintaining body, needn't worry that the cylindrical cap accident comes off from the lid support bar.
Therefore, when the lid support bar is 1, can make its cross sectional shape be the arbitrary shape beyond circular, and, the intensity of bearing the impact when making had.At this, circular arbitrary shape in addition for example is many prismatics or circular arc.
Like this, be under the situation of circular arbitrary shape in addition at cross sectional shape, even the lid support bar is 1, cylindrical cap can be around rotation around the lid support bar yet, if and have enough intensity, even for example be 1, its resistance to impact and durability do not have problem yet.
And, when lid support bar when being many, wherein near the thickness of the lid support bar of the adjustment operating area of the threading operating area of looper and looper can be than other thinner.
In this case, when the adjustment operation of the threading operation of carrying out looper and looper, the lid support bar can not become obstacle.
And, embed to cooperate maintaining body to constitute by the cooperating recesses or the cooperation protuberance that are formed at the cooperation protuberance that cover the support bar front end or cooperating recesses and be arranged on corresponding to this cooperation protuberance or cooperating recesses on the appropriate location of internal face of cylindrical cap.
In this case, owing to embed the simple in structure of matching mechanism, so can guarantee the quick detachable property of cylindrical cap and can reduce number of components.
And, embed to cooperate maintaining body, can be by being arranged on the cylindrical cap, constituting by the bar of operating clamping from the outside of this cylindrical cap and decontroling the suitable position that covers support bar.
In this case, can cylindrical cap can be installed more reliably from the embedding mated condition of outside Visual Confirmation lid support bar and embedding auxiliary section.
And then embedding the cooperation maintaining body can be made of magnet.
In this case, same owing to embedding the simple in structure of matching mechanism, so can guarantee the quick detachable property of cylindrical cap and reduce number of components.
Description of drawings
Fig. 1 is the partial, exploded perspective view of the major part of expression form of implementation 1 of the present invention.
Fig. 2 has omitted the diagram to cylindrical base plate, the plane that expression is installed to cylindrical cap the state on the cylindrical base plate.
Fig. 3 is the cutaway view of the III-III line in Fig. 2.
Fig. 4 is the cutaway view of the IV-IV line in Fig. 2.
Fig. 5 is expression the present invention diagram second form of implementation, suitable with Fig. 3.
Fig. 6 is the diagram another example, suitable with Fig. 3 of second form of implementation of expression the present invention.
Fig. 7 is the partial, exploded perspective view of the major part of the 3rd form of implementation of expression the present invention.
Fig. 8 is expression the present invention diagram the 4th form of implementation, suitable with Fig. 3.
Fig. 9 is expression the present invention diagram the 4th form of implementation, suitable with Fig. 1.
Figure 10 is expression the present invention diagram the 5th form of implementation, suitable with Fig. 4.
Figure 11 is the summary overall perspective of existing sewing machine.
Figure 12 is that the summary of the front end of cylindrical base plate is amplified decomposition diagram.
Figure 13 is the cutaway view of existing cylindrical base plate.
Figure 14 is the expression curved needle shaft that existing cylindrical base plate is interior with being arranged on this cylindrical base plate and the summary decomposition diagram of looper.
Embodiment
Below, with reference to description of drawings form of implementation of the present invention.
(form of implementation 1)
Fig. 1 to Fig. 4 represents an example of form of implementation of the present invention, Fig. 1 is the partial, exploded perspective view of expression major part of the present invention, Fig. 2 is the diagram of having omitted cylindrical base plate, the plane that expression is installed to cylindrical cap the state on the cylindrical base plate, Fig. 3 is the cutaway view along the III-III line among Fig. 2, and Fig. 4 is the cutaway view along the IV-IV line among Fig. 2.
This Sewing machines, have and the tubular sewn object can overlapped in the cylindrical base plate 1 of shape outside, from the outstanding state of the front end of cylindrical base plate 1 not shown curved needle shaft is set with leading section, around the leading section of this curved needle shaft be arranged on the looper on this leading section and have the cylindrical cap 2 that embeds the peristome 16 that needle plate (diagram is omitted) is installed, be removably disposed in the front end of cylindrical base plate 1 at upper surface.In addition, in Fig. 1, respectively, symbol 17 is to run through the looper that inserts curved needle shaft to run through patchhole, the 18th, the groove of filling feed mechanism, the 19th, the lid that is used for covering this groove 18 is installed to the screwed hole of the mounting screw on the cylindrical base plate 1, and 20 are mounted in cylindrical cap 2 cloth guiding front end face top, not shown installs and use screwed hole, and the 21st, the described hinge spring installation in back screwed hole.
From the front end of above-mentioned cylindrical base plate 1, two lid support bars 3,4 are set so that mode parallel with curved needle shaft and that do not disturb with looper is outstanding.These two lid support bars 3,4, wherein the base end part of any one suitable mode such as all is screwed into or forces to embed and is installed to and runs through in the support bar installing hole 5,6 that is arranged on the cylindrical base plate 1 leading section regulation position by spiral.And like this, the outstanding lid support bar 3,4 that is arranged on cylindrical base plate 1 front end has its leading section and arrives cylindrical cap 2 front bulkheads or near the length it.And then, on a support bar 3,, cut out the spherical holding section 7 that constitutes the described embedding cooperation in back maintaining body at its front end.In addition,, also can be formed on another support bar 4, perhaps can be formed on two support bars 3,4 though holding section 7 only is formed on the support bar 3 in this embodiment.And the outstanding position that is provided with of these lid support bars 3,4 only otherwise disturb with curved needle shaft or looper, running through of looper thread do not inserted operation and do not cause obstacle to get final product, can be provided with arbitrarily.
On the other hand, on above-mentioned cylindrical cap 2, the wall bottom forms heavy section 8,9 across two positions within it, simultaneously, runs through being provided as the embedding mating holes 10,11 that embeds the embedding auxiliary section that cooperates with above-mentioned lid support bar 3,4 on these heavy sections 8,9.Among these heavy sections 8,9, run through that heavy section 8 that the support bar 3 that is provided with and has aforementioned holding section 7 embeds the embedding mating holes 10 that cooperates, the front bulkhead of cylindrical cap 2 nearby (before the hand) cut at the space of between itself and front bulkhead, guaranteeing to load the described hinge spring 12 in back by halfway.And another heavy section 9 arrives front bulkhead.
And, in cylindrical cap 2, utilize bolt 13 to constitute and embed to cooperate the hinge spring 12 of maintaining body to be installed in the above-mentioned space that is arranged between aforementioned heavy section 8 and the front bulkhead.What this hinge spring 12 was formed on that openend constitutes narrow 14 observes the shape that is roughly the U font from the side, simultaneously, on the face that the front bulkhead with cylindrical cap 2 contacts, extend to be provided with and run through the installation sheet 15 that is inserted with above-mentioned screw 13, within it in the portion space, accommodate the holding section 7 of an aforementioned lid support bar 3, and be mated.
In addition, in illustrated embodiment, the front end face of cylindrical cap 2 and the interface portion of outer peripheral face form the chamfering 22 of curved surface shaped, but this is to be used for making when making the sliding of sewn object well to be provided with, be not limited to this example, the global shape of cylindrical cap 2 itself is arbitrarily.And, though embed the auxiliary section and be by on the internal face of cylindrical cap 2, being provided with heavy section 8,9, running through to be provided with and embed mating holes 10,11 and constitute thereon, but be not limited to this, for example also can be fixed on the appropriate location of internal face of cylindrical cap 2, perhaps dispose on the appropriate location of the internal face that is fixed to cylindrical cap 2 and constitute by embedding a plurality of rings that cooperate with lid support bar 3,4 with identical axle center by embedding the pipe that cooperate with lid support bar 3,4.
In above-mentioned such Sewing machines, because lid support bar 3,4 is from the front end and the outstanding abreast setting of curved needle shaft of cylindrical base plate 1, so be easy to discern the position of covering support bar 3,4, can observe on one side on one side easily to make and cover support bar 3,4 and overlap with position that its embedding matched cylindrical is covered 2 embedded hole 10,11 from the top.
And, because lid support bar 3,4 is from because wall thickness and firm cylindrical base plate 1 are projected into the place more farther than cylindrical cap 2, and, have front bulkhead or near the length it that its leading section arrives cylindrical cap 2, thereby, resistance to impact and durability be imbued with.And then, utilize the embedding that constitutes by lid support bar 3 and hinge spring 12 to cooperate maintaining body, needn't worry that cylindrical cap 2 comes off from lid support bar 3,4.
(form of implementation 2)
This form of implementation and Fig. 5 and shown in Figure 6.This form of implementation is corresponding to the invention of claim 2.In addition, only the place different with above-mentioned form of implementation 1 described, and the structural element identical with form of implementation 1 adopts identical symbol at this.
In this form of implementation, lid support bar 3 only has one, and, its cross sectional shape is circular arbitrary shape in addition, is hexagon under situation shown in Figure 5, and, be circular arc type under situation shown in Figure 6, and its thickness can obtain to bear the intensity of the impact when making.In these lid support bars 3, the same with form of implementation 1, also form aforementioned spherical auxiliary section 7 at its leading section.And the heavy section 8 of cylindrical cap 2 also only is arranged on the position corresponding to the radical of lid support bar.It is identical with form of implementation 1 with structure.
Like this, cross sectional shape at lid support bar 3 is under the situation of circular unexpected arbitrary shape, even the lid support bar is 1, cylindrical cap 2 can be around the periphery rotation of lid support bar 3 yet, and, as long as have the thickness that can obtain sufficient intensity, even a problem that also can not have resistance to impact and durability is for example only arranged.
(form of implementation 3)
This form of implementation is illustrated among Fig. 7 and Fig. 8.This form of implementation is corresponding to the invention of claim 3 and 4.In addition, the place different with above-mentioned form of implementation 1 only is described, and the structural element identical with form of implementation 1 adopts identical symbol at this.
In this form of implementation, though lid support bar 3,4 and form of implementation 1 the same be 2, wherein thinner than the thickness that another covers support bar 3 near a thickness of covering support bar 4 of the adjustment operating area 23 of the threading operating area of looper and looper.
And, embed to cooperate maintaining body, constitute by the cooperation protuberance 24 on the leading section that is formed at one thick lid support bar 3 with the cooperating recesses 25 that cooperates protuberance 24 to be arranged on accordingly on the suitable position of internal face of cylindrical cap 2.That is, above-mentioned cooperation protuberance 24 is to be arranged on engagement pin on the leading section of thick lid support bar 3 from its surface by spring 26 with freely coming in and going out.On the other hand, the cooperating recesses 25 that cooperates with this engagement pin 24 is made of the through hole that runs through the heavy section 8 that is arranged on cylindrical cap 2 from the top towards this inside embedding mating holes 10.In addition, in contrast, also can on lid support bar 3, cooperating recesses be set, the cooperation protuberance that is mated is set on cylindrical cap 2, and, cooperate the form of protuberance and cooperating recesses to be not limited to above-mentioned form.
Though under the situation of this form of implementation, lid support bar 3,4 is two, but it is wherein thinner than the thickness that another covers support bar 4 near the thickness of a lid support bar 4 of the adjustment operating area 23 of the threading operating area of looper and looper, whereby, when the adjustment operation of the threading operation of carrying out looper or looper, lid support bar (thin lid support bar) 4 can not cause obstacle.
And, cooperate the result of maintaining body simple owing to embed, so can guarantee the quick detachable property of cylindrical cap 2 and reduce number of components.
(form of implementation 4)
This form of implementation is illustrated among Fig. 9.This form of implementation is corresponding with the invention of claim 5.In addition, only its place different with above-mentioned form of implementation 1 is described, and the structural element identical with form of implementation 1 adopts identical symbol at this.
In this form of implementation, embed the cooperation maintaining body by being arranged on the cylindrical cap 2, utilizing operation clamping of carrying out from cylindrical cap 2 outsides and the bar 27 of opening the suitable position that covers support bar 4 to constitute.Promptly, in cylindrical cap 2, in the position of facing this embedding mating holes 11 from the side peristome 28 is set, simultaneously, in this peristome 28, it is carried out the bar 27 of switch via suitable linkage installation, on the inner surface of bar 27, the engaging spring 29 that the roughly C font of support bar 4 is covered in clamping and relieving is set.And, when cylindrical cap 2 being installed on the cylindrical base plate 1, because above-mentioned bar 27 is opened, so that the embedding mating holes 10,11 of cylindrical cap 2 and lid support bar 3,4 embed is combined together, afterwards, by towards the direction dwang 27 of closing above-mentioned peristome 28, the slip on the side face of lid support bar 4 of above-mentioned engaging spring 29 one side is revolted its elastic force on one side and is opened, and then, by making bar 27 rotations, engaging spring 29 clamp cover support bars 4, whereby, the embedding mated condition that keeps covering support bar 4 and embed mating holes 11.
In addition, the number of bar 27 is not limited to above-mentioned example with the mechanism that the position is set and lid support bar 4 is carried out clamping.For example, also can adopt the described magnet in back is arranged on the inner surface of bar 27, utilize the mode of this magnet clamp cover support bar 4.And, for example,, then can make above-mentioned clamping more firm if on the side face of lid support bar 4, cannelure is set in the mode corresponding with above-mentioned engaging spring 29.
In this form of implementation, can cover support bar 4 and the embedding mated condition that embeds auxiliary section (embedding mating holes) 11 from outside visualization by the on off state of bar 27, the installation of cylindrical cap 2 can be carried out more definitely.
(form of implementation 5)
This form of implementation is illustrated among Figure 10.This form of implementation is corresponding to the invention of claim 6.In addition, only the place different with above-mentioned form of implementation 1 described at this, in addition, the structural element identical with form of implementation 1 adopts identical symbol.
In this form of implementation, the hinge spring of representing for example in the replacement form of implementation 1 12 adopts magnet 30.In addition, certainly, lid support bar 3 in this case must be all or be that the position corresponding with magnet 30 is made of magnetic material at least.And the installation site of magnet 30 is not limited to the example shown in the figure.
In this case, similarly, cooperate the simple in structure of maintaining body owing to embed, so can guarantee the quick detachable property of cylindrical cap 2 and reduce number of components.
As explained above such, according to the present invention, because lid support bar and curved needle shaft are provided with from the front end of cylindrical base plate is outstanding abreast, so be easy to confirm to cover the position of support bar, the position of observing embedding auxiliary section cover support bar and to cover with its embedding matched cylindrical from the top overlaps, even for example on cylindrical base plate, have cloth, also can easily carry out, operability is good.Thereby, needn't worry to make the operation accidental interruption owing to the dismounting of cylindrical cap trouble makes, can enhance productivity.
In addition and since the lid support bar from since wall thickness and firm cylindrical base plate outstanding be set to than the farther place of cylindrical cap and have its leading section arrive cylindrical cap front bulkhead or near the length it, so resistance to impact and good tolerance.
And then, utilize to embed to cooperate maintaining body, needn't worry that cylindrical cap is from covering accidental on the support bar.Thereby, can prevent trouble before it happens for the accident of making in the operation that causes owing to cylindrical cap.
And then, when the lid support bar is one, perhaps for many, under the thinner situation of thickness than other of a lid support bar of close therein looper threading operating area and looper adjustment operating area, when carry out looper wear the adjustment operation of an operation or looper the time, because the lid support bar can not become obstacle, so operating characteristics is good.
And, embedding under the situation that cooperates maintaining body by being formed at the cooperation protuberance that covers the support bar leading section or cooperating recesses and being arranged on the cooperating recesses on the suitable position of cylindrical cap internal face corresponding to this cooperation protuberance or cooperating recesses or cooperating protuberance to constitute, perhaps, constituting by magnet under the situation that embeds the cooperation maintaining body, cooperate the simple in structure of maintaining body owing to embed, so can guarantee the quick detachable property of cylindrical cap and reduce number of components, can reduce manufacturing cost.
And then, by operate by the outside from cylindrical cap, clamping and decontrol bar cover support bar and constitute under the situation that embeds the cooperation maintaining body, can can carry out the installation of cylindrical cap more reliably from the embedding mated condition of outside Visual Confirmation lid support bar and embedding auxiliary section.
In addition, in the scope that does not break away from purport and principal character, can implement the present invention with other form.Therefore, above-mentioned form of implementation is said all from all angles and is only given an example, do not do limited explanation.Scope of the present invention represented by the scope of claim, in the specification text fully without limits.And then, belong to the distortion of claim scope and change all within the scope of the invention.
Claims (6)
1. Sewing machines, in cylindrical base plate with the roughly tubular that the tubular sewn object can be overlapped shape outside, the outstanding state of front end of in the past stating cylindrical base plate with leading section is provided with curved needle shaft, removably be provided with around the leading section of this curved needle shaft and be arranged on the looper on this leading section and have the cylindrical cap that embeds the peristome that needle plate is installed in the above at the front end of aforementioned cylindrical base plate
It is characterized in that, on the leading section of aforementioned cylindrical base plate, wear one or more support bar installing holes, base end part spiral by the lid support bar is screwed into or forces to embed this support bar installing hole, so that mode parallel with aforementioned curved needle shaft and that do not disturb with aforementioned looper is outstanding 1 or many lid support bars are set from the front end of aforementioned cylindrical bottom plate, simultaneously, this lid support bar has front bulkhead or near the length it that its leading section arrives aforementioned cylindrical cap, on the other hand, in aforementioned cylindrical cap, within it on the wall, formation runs through the heavy section that is provided with the embedding mating holes that cooperates with the embedding of aforementioned cover support bar, the perhaps fixing pipe that cooperates with the embedding of aforementioned cover support bar, perhaps embed a plurality of rings that cooperate with the aforementioned cover support bar, keep the embedding cooperation maintaining body of the embedding mated condition of the embedding mating holes of these cylindrical caps or pipe or ring and aforementioned cover support bar to be set at the leading section side of cylindrical cap so that the configuration of identical axle center is fixing.
2. Sewing machines as claimed in claim 1 is characterized in that, when the lid support bar is 1, makes its cross sectional shape be the arbitrary shape beyond circular, and, have the intensity of bearing the impact when making.
3. Sewing machines as claimed in claim 1 is characterized in that, when the lid support bar was many, wherein the thickness of the lid support bar of the adjustment operating area of the threading operating area of close looper and looper was thinner than other.
4. as any one described Sewing machines of claim 1 to 3, it is characterized in that, embed to cooperate maintaining body to constitute by the cooperating recesses or the cooperation protuberance that are formed at the cooperation protuberance that cover the support bar front end or cooperating recesses and be arranged on corresponding to this cooperation protuberance or cooperating recesses on the appropriate location of internal face of cylindrical cap.
5. as any one described Sewing machines of claim 1 to 3, it is characterized in that, embed to cooperate maintaining body, by being arranged on the cylindrical cap, constituting by the bar of operating clamping from the outside of this cylindrical cap and decontroling the suitable position that covers support bar.
6. as any one described Sewing machines of claim 1 to 3, it is characterized in that, embed the cooperation maintaining body and constitute by magnet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003072097A JP4280863B2 (en) | 2003-03-17 | 2003-03-17 | sewing machine |
| JP072097/2003 | 2003-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1530484A CN1530484A (en) | 2004-09-22 |
| CN1530484B true CN1530484B (en) | 2011-08-10 |
Family
ID=33288384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100300144A Expired - Lifetime CN1530484B (en) | 2003-03-17 | 2004-03-17 | Sewing machines |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4280863B2 (en) |
| KR (1) | KR100983596B1 (en) |
| CN (1) | CN1530484B (en) |
| TW (1) | TW200419030A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3489030B1 (en) * | 2002-04-26 | 2004-01-19 | 勉 福田 | Method for producing aluminum titanate-based sintered body |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655151A (en) * | 1985-05-27 | 1987-04-07 | Rockwell-Rimoldi S.P.A. | Convertible work support housing for a sewing machine |
| CN1239160A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| CN1369590A (en) * | 2001-02-09 | 2002-09-18 | 重机株式会社 | Drum base plate of sewing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001046774A (en) | 1999-08-05 | 2001-02-20 | Hideki Nomoto | Lateral cylindrical arm of sewing machine |
-
2003
- 2003-03-17 JP JP2003072097A patent/JP4280863B2/en not_active Expired - Lifetime
-
2004
- 2004-02-18 TW TW093103944A patent/TW200419030A/en not_active IP Right Cessation
- 2004-03-15 KR KR1020040017252A patent/KR100983596B1/en not_active IP Right Cessation
- 2004-03-17 CN CN2004100300144A patent/CN1530484B/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655151A (en) * | 1985-05-27 | 1987-04-07 | Rockwell-Rimoldi S.P.A. | Convertible work support housing for a sewing machine |
| CN1239160A (en) * | 1998-06-12 | 1999-12-22 | 重机株式会社 | Control box of sewing machine |
| CN1369590A (en) * | 2001-02-09 | 2002-09-18 | 重机株式会社 | Drum base plate of sewing machine |
Non-Patent Citations (4)
| Title |
|---|
| JP平2-86474U 1990.07.09 |
| JP特开2001-46774A 2001.02.20 |
| JP特开2002-233684A 2002.08.20 |
| JP特开2002-336587A 2002.11.26 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1530484A (en) | 2004-09-22 |
| KR100983596B1 (en) | 2010-09-24 |
| KR20040087256A (en) | 2004-10-13 |
| JP4280863B2 (en) | 2009-06-17 |
| TWI331176B (en) | 2010-10-01 |
| TW200419030A (en) | 2004-10-01 |
| JP2004275514A (en) | 2004-10-07 |
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Granted publication date: 20110810 |