CN105239280B - Sewing machine cut-off knife mechanism - Google Patents
Sewing machine cut-off knife mechanism Download PDFInfo
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- CN105239280B CN105239280B CN201510753558.1A CN201510753558A CN105239280B CN 105239280 B CN105239280 B CN 105239280B CN 201510753558 A CN201510753558 A CN 201510753558A CN 105239280 B CN105239280 B CN 105239280B
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- knife
- cut
- adjustment part
- knob
- sewing machine
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Abstract
The invention discloses a kind of sewing machine cut-off knife mechanism, one end device has the upper cut-off knife driving member of upper cut-off knife seat, another end drives for upper cut-off knife transmission device, and cut-off knife driving member passes through a guiding element being fixed on support on this, reaches stable and guides the purpose that cut-off knife driving member vertically moves on this；And adjusting hole cooperation of the lower cut-off knife combination pedestal with internal thread form screws togather one with externally threaded adjustment part, the adjustment part is the lower cut-off knife axle being hubbed on support, the adjustment part exposes to the lower cut-off knife connecting support end and is provided with intermeshing tooth form with a knob, the knob anglec of rotation is placed restrictions in the limit portion of the leading cooperation that the knob external diameter is provided with a limiting section and adjusting hole outer peripheral edge and has certain arc length, and the knob can leave or be returned to again the position engaged with the adjustment part, use and change itself and adjustment part relative position, and reach the purpose for the slewing area that can finely tune drive again to the adjustment part.
Description
Technical field
The present invention relates to a kind of sewing machine cut-off knife mechanism, particularly relates to the cut-off knife for sewing machine while denim cuttings
Structure.
Background technology
Traditional sewing machine cut-off knife mechanism, it is the work(that the stable start of upper cut-off knife is createed with the principle of parallel―ordinal shift group
Can, and the lower cut-off knife is effectively adjusted it closer or far from needle plate.
In response to the different kinds of drive and persistently simplify structure to reduce the innovation of cost, so as to improving overall cut-off knife machine
The stability in convenience and start in structure use, still suffers from improved space.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of sewing machine cut-off knife mechanism, its stabilization easy to use.
To solve the above problems, the present invention provides a kind of sewing machine cut-off knife mechanism, the sewing machine has a power transmission shaft saturating
The upper cut-off knife action that cut-off knife transmission device on one drives the upper cut-off knife stopping means of a cut-off knife mechanism is crossed, the cut-off knife mechanism is additionally provided with
Cut-off knife once, cooperated with cut-off knife on this；
The upper cut-off knife transmission device, it is to be interlocked by the power transmission shaft with the first end of a drivening piece and a connecting rod, the connecting rod
Middle section is hubbed at the support, and both ends are respectively first end and the second end；
The upper cut-off knife stopping means has cut-off knife on one, cut-off knife seat, a return spring, a limit body and one are spacing on one
Bolt, cut-off knife is affixed to one end of cut-off knife seat on this on this, and cut-off knife seat another end passes through the return spring and the limit body on this；
The upper cut-off knife stopping means separately has cut-off knife driving member on one, and the upper cut-off knife driving member is to supply the upper cut-off knife
Seat pass through, the limited bolt be on this between cut-off knife driving member and the limit body mutually it is spacing, the upper cut-off knife driving member has
One leads portion；
One guiding element is affixed to the support, and the guiding element is provided with a guide groove and placed for the portion of leading of cut-off knife driving member on this, should
The portion of leading of upper cut-off knife driving member drives through the end of the guiding element for the end of connecting rod second of cut-off knife transmission device on this.
Further, the upper cut-off knife driving member leads one extension of portion top extension by this, and the extension end is provided with
One support, on this cut-off knife driving member extension with lead portion junction provided with one first wear bore on this cut-off knife seat pass through, and
Wear to be provided with second at bore and wear bore in the support relative first and passed through for the end of cut-off knife seat on this, on this cut-off knife seat in this two
Wear and return spring and limit body are arranged between bore, described return spring one end peaks at this and first wears bore end, and it is spacing that another end peaks at this
Body.
Further, the extension middle section is additionally provided with the only edge of a protrusion, and the limit body is fixed on the upper sanction
Tool rest, in the upper cut-off knife seat, this first and second is worn and moved axially between bore, and the limit body is limited for the support and only edge
System.
Further, the second end of the connecting rod is relative with cut-off knife driving member end on this dynamic provided with a chute and pivot joint one
Power Transmission Part, described power transmission unit one end are slidedly arranged in the chute.
The present invention separately provides a kind of sewing machine cut-off knife mechanism, and there is the sewing machine power transmission shaft to pass through cut-off knife transmission on one
Device drives the upper cut-off knife action of a cut-off knife mechanism, and the support, which is additionally provided with one, has the lower cut-off knife stopping means of cut-off knife, with
Cut-off knife cooperates on this；
Lower cut-off knife stopping means combines the lower cut-off knife combination pedestal of the lower cut-off knife with cut-off knife once and one；
The lower cut-off knife combination pedestal has an adjusting hole；
One adjustment part has one to wear axis hole, and the adjustment part is tool with the outer radius that the lower cut-off knife combination pedestal adjusting hole screws togather
There is externally threaded adjustment portion；
Once one end of cut-off knife axle is fixedly arranged on the support, and the another end pivot for protruding the support is through at this of the adjustment part and wears axle
Hole, the adjustment part rotatably adjust the position of the lower cut-off knife combination pedestal.
Further, the adjustment part is in the passive tooth for exposing to the lower cut-off knife connecting support body end portion and being provided around dentation,
And the knob forms a recess towards the adjustment part end face, recess periphery is stretched provided with a limit to the lower cut-off knife combination pedestal limit portion of leading
Position portion, and the recess internal diameter is provided around the driving tooth of tooth form, and drive is engaged with the passive tooth of the adjustment part by the driving tooth.
Further, the limiting section of the knob is additionally provided with an elastic card division, and the knob is placed at the passive tooth, the card division
With the passive tooth blocking retaining.
Further, the card division periphery is provided with profile groove to form elasticity.
Further, the lower cut-off knife axle is provided with a tank, so that an accommodating elasticity stops ring, and the periphery for making this stop ring
Edge can elasticity the contact adjustment part.
Sewing machine cut-off knife mechanism of the present invention, it can reach raising by adjusting adjustment part rotatable scope and be applicable
Property purpose, and reduce component and reduce and cost and make the purpose of dynamic stability.
Brief description of the drawings
Fig. 1 is cut-off knife mechanism of the present invention and local sewing machine structure schematic diagram.
Fig. 2 is cut-off knife mechanism stero exploded view of the present invention.
Fig. 3 is the knob enlarged diagram of cut-off knife stopping means under cut-off knife mechanism of the present invention.
Fig. 4 is cut-off knife mechanism frontal planar schematic diagram of the present invention.
Fig. 5 is cut-off knife stopping means diagrammatic cross-section in the present invention.
Fig. 6 is cut-off knife stopping means action schematic diagram in the present invention.
Fig. 7 is cut-off knife stopping means diagrammatic cross-section under the present invention.
Fig. 8 is that the present invention downloads the knob of knife stopping means and adjustment part mutually separates schematic diagram.
Description of reference numerals
A is cut-off knife mechanism
10 be that sewing machine 11 is that support 12 is cantilever
13 be that power transmission shaft 14 is needle plate
111 be that to wear axle 140 be that the first needle plate 141 is the second needle plate
31 be upper cut-off knife
30 be that upper cut-off knife stopping means 31 is upper cut-off knife
40 be that lower cut-off knife stopping means 41 is lower cut-off knife
112 be fastening part
21 be that driving link 22 is that drivening piece 23 is pivot
24 be connecting rod
240 be that chute 241 is that first end 242 is the second end
25 be that power transmission unit 250 is axle pivot portion
31 be that upper cut-off knife 310 is that adjusting hole 311 is adjustment bolt
32 be that upper cut-off knife seat 320 is that portions 321 are stationary knife grooves
322 be pivot set portion
33 be elastic reset spring
34 be that limit body 340 is that centre bore 341 is stopper slot
35 be limited bolt
36 be upper cut-off knife driving member
360 be that the portion that leads 361 is that extension 362 is support
363 be that pivot hole 364 is that first to wear bore 365 be only edge
366 be second to wear bore
37 be guiding element
370 be that auricle 371 is that the first perforation 372 is the second perforation
38 be gim peg
373 be guide groove
42 be that lower cut-off knife combination pedestal 43 is adjustment part
44 be knob
45 be lower cut-off knife axle
420 be that tool rest portion 421 is vertical end
422 be that guide hole 423 is to allow hole
424 be that adjusting hole 425 is that to lead portion 426 be to place restrictions on portion to limit
43 be the adjustment part
430 be that to wear axis hole 431 be passive tooth
434 be adjustment portion
44 be that knob 441 is recess
440 be that limiting section 442 is driving tooth
450 tanks 451 stop ring
Embodiment
It please coordinate shown in Fig. 1,2,3, cut-off knife mechanism A of the present invention is provided inside the support 11 of sewing machine 10, and in the machine
11 sides of seat are stretched provided with cantilever, and the inside of the support 11 has a power transmission shaft 13 with simultaneously with the transmission in engine-bed 11 and cantilever
Component, and the cantilever free end has the car pin moved up and down, the support 11 sets cut-off knife mechanism A relative to car pin lower section, and
Support 11 is provided with needle plate 14 in cut-off knife mechanism A top, and the needle plate 14 can be divided into the first needle plate 140 and the second needle plate 141, should
Cut-off knife mechanism A has cut-off knife 31 and cut-off knife 41, and transmission and the stopping means of the upper and lower cut-off knife 31,41 once on one, its
In, be additionally provided with the support 11 for the power transmission shaft 13 drive cut-off knife mechanism A upper cut-off knife transmission device 20, to be cut out in gearing
Knife 31, the axle 111 and one of wearing that the support 11 is additionally provided with a protrusion wear the fastening part 112 that stratum's shape is set as at axle 111 adjacent to this, with
Set respectively for cut-off knife mechanism A upper cut-off knife stopping means 30 and lower cut-off knife stopping means 40, so as to changing in stream oriented device
The position at upper cut-off knife 31 and the place of lower cut-off knife 41 and the position for ensuring place after its change；Wherein, feature of present invention be by
Setting with cut-off knife stopping means 30 thereon and lower cut-off knife stopping means 40, so that the transmission of upper cut-off knife 31 and lower cut-off knife 41
More certain rock-steady structure simplifies.
Power transmission shaft 13 in the support 11 of the present invention is driven by the power source of motor form, and one end passes with cut-off knife on this
Dynamic device 20 interlocks, the upper cut-off knife transmission device 20 set on its support 11, is to be provided with a cam in power transmission shaft 13 to interlock shape
The driving link 21 of state, the annular round portion of the end of a drivening piece 22 is coated at the cam of driving link 21, and is worn with a bolt spiral shell
The driving link 21 is simultaneously packed on the power transmission shaft 13, and its bottom of drivening piece 22 is pivoted with the connecting rod 24 of a pivot 23 with a middle section
First end 241 is driven, and the both ends of pivot 23 are hubbed on support 11, and the both ends of connecting rod 24 are respectively first end 241 and second
End 242, and form one in the second end 242 and extend elongated chute 240 along the long axis direction of connecting rod 24, and in the chute 240
A power transmission unit 25 that can be slid along chute 240 is slidably equipped with, the power transmission unit 25 is side in the end of sliding in chute 240
Bulk, and a columned axle pivot portion 250 is stretched out to the cut-off knife mechanism A upper direction of cut-off knife stopping means 30, driven with being pivotally connected
Relative component.
The upper cut-off knife stopping means 30 is that have cut-off knife 31, upper cut-off knife seat 32, a return spring 33, a limit body 34 on this
And a limited bolt 35, cut-off knife 31 is to coordinate the elongated adjusting hole 310 in bottom and the screw lock of the adjustment bolt 311 of bolt form on this, is made
Upper cut-off knife 31 is fixed on the stationary knife groove 321 in one end portions 320 of cut-off knife seat 32 on this, and the another end face centre of upper cut-off knife seat 32 is stretched
Go out the pivot set portion 322 that an external diameter is less than the portions 320, by through the elastic reset spring 33 in the form of a coil spring, the limit of ring-type
The centre bore 340 of position body 34, is coordinated the outside diameter structure of limit body 34 to be separately fastened with the limited bolt 35 and placed restrictions on, and this feature is
It is：Another to have cut-off knife driving member 36 on one, cut-off knife driving member 36 is passed through for cut-off knife seat 32 on this on this, and in cut-off knife on this
Seat 32, which is placed through on this after cut-off knife driving member 36, is then passed through the return spring 33 and the limit body 34, and the pilot pin 35 is in sanction on this
Mutually spacing between knife driving member 36 and the limit body 34, the pilot pin 35 of the present embodiment is affixed on this on cut-off knife driving member
And the limit body 34 is limited, middle section of cut-off knife driving member 36 is separately vertically placed through one and is fixed on leading on support 11 on this
Part 37, and cut-off knife driving member 36 passes through end and the pivot of power transmission unit 25 of cut-off knife transmission device 20 on this of the guiding element 37 on this
Axle portion 250 is pivotally connected, and when making the action of connecting rod 24, cut-off knife driving member 36 on this can be driven to be guided in guiding element 37 via power transmission unit 25
Side moves up.
The guiding element 37 extends laterally an auricle 370, and is provided with the first perforation of path perforation form in the auricle 370
371 wear with the second perforation 372 of a big footpath perforation form at lower section, first perforation 371 for the gim peg 38 of a bolt form
Cross and be screw-locked at that support 11 is relative to be located, auricle 370 is able to smooth in the surface of support 11 and make to wear axle 111 through second perforation
372, the vertical four directions closing frame-shaped of the another end of 37 auricle of guiding element 370 forms the guide groove 373 in center, for cut-off knife driving member 36 on this
Pass through and guide, and the guide groove 373 has certain length, so as to the stable cut-off knife driving member 36 that guides on this in wherein sliding,
And the outer wall of the guide groove 373 is close to the fastening part 112 of the support 11, to be fastened, make the positioning that the guiding element 37 can be certain.
Please coordinate simultaneously shown in Fig. 4 and 5, and cut-off knife driving member 36 is shaft-like to lead portion in the cubic of vertical direction on this
360 and the extension 361 and the short vertical free end of the end-turn of extension 361 of the extension of portion 360 upper horizontal are led by this
Support 362, regard unitary side J-shaped in one, wherein, this is led the length of portion 360 more than the guide groove 373 and is placed through in middle section
For the guide groove 373 to be directed to vertically slide really, this leads the bottom of portion 360 provided with a pivot hole 363 for the axle pivot
Portion 250 passes through, and enables the connecting rod 24 to drive cut-off knife driving member 36 on this to act, and the extension 361 of cut-off knife driving member 36 on this
With lead the junction of portion 360 provided with one first wear bore 364 on this cut-off knife seat 32 pass through, the bottom of the middle section of extension 361
Portion is additionally provided with a downward projection of only edge 365, and is worn in the support 362 relative first and wear bore 366 provided with second at bore 364
Passed through for the end of cut-off knife seat 32 on this, make on this cut-off knife seat 32 in this first and second wear sequentially be arranged between bore 364,366 it is multiple
Position spring 33 and limit body 34, the one end of return spring 33 peak at this and first wear the end of bore 364, and another end peaks at the limit body 34, the limit
Position body 34 is fixed on cut-off knife seat 32 on this with bolt, and cut-off knife seat 32 on this is worn the axially pulling of bore 364,366 along first and second
When can be that the support 362 moves with being limited in certain stroke for only edge 365 by the limit body 34, and the support 362 is near
Second wears a fixing hole is additionally provided with bore 366 so that a limited bolt 35 places fixation, and it is spacing the limited bolt 35 is extended this
The outer radius of body 34 is to produce the effect for the positioning that is fastened.
The limit body 34 is the cyclic structure in hole 340 centered on a center, and external diameter, which is separated by 180 degree, is respectively provided with a semicircle
The concave stopper slot 341 of shape, to coordinate the limited bolt 35 to be equipped in the different stopper slot 341 of the limit body 34, you can make this
Cut-off knife 31 positions in different opening positions on the upper simultaneous linkage of cut-off knife seat 32 of the unitary rotation of limit body 34, please coordinate shown in Fig. 6,
When user will change upper 31 position of cut-off knife, cut-off knife seat 32 can be pulled, make the limit body 34 on cut-off knife seat 32 leave with
Return spring 33 is only compressed in the position of the blocking of limited bolt 35 simultaneously to the limit body 34 with only edge 365 top, is rotated further by cut-off knife seat on this
32 to the limit body 34 another stopper slot 341 be aligned the limited bolt 35 after, directly let go, return spring 33 can be by the limit body
34, which retract to support 362, supports only, and the stopper slot 341 of the limit body 34 can just position with the blocking of limited bolt 35, cut-off knife on this
Seat 32 is not rotated further by.
Lower cut-off knife stopping means 40 then have cut-off knife 41, one combine the lower cut-off knife 41 lower cut-off knife combination pedestal 42,
One adjustment part 43, one mutually screwed togather with the lower cut-off knife combination pedestal 42 is covered on the adjustment part 43 and exposes to lower cut-off knife combination
The another end pivot that the knob 44 of the end of pedestal 42 and one end are fixedly arranged on support 11 and protrude support 11 is through at the center of adjustment part 43
Lower cut-off knife axle 45；As shown in Figure 7, its lower cut-off knife 41 is to coordinate two groups of bolts to be fixed on the top of the pedestal of cut-off knife combination 42
The tool rest portion 420 of free concave end, the lower cut-off knife combination pedestal 42 is 7 character form structure bodies in the form of sheets, in vertical end 421
It is another set oval poroid 422 and the one big footpath of guide hole of a vertical long it is circular allow hole 423, with respectively for wearing axle 111 through generation
The stable strength of blocking and the big footpath head end of gim peg 38 are accommodating therebetween, and are provided with one in the lower turning point of cut-off knife combination pedestal 42
Hollow tubular internal diameter is provided with the adjusting hole 424 of internal thread form, and periphery ring winding of adjusting hole 424 is limited leads portion 425 for this, and in this
What the least significant end that limit leads portion 425 formed that the sealing limit leads portion 425 places restrictions on portion 426.
The adjustment part 43 is for a hollow cylindrical body, and vacancy is protruded to wear axis hole 430 for the lower cut-off knife axle 45 in this
The end of support 11 penetrates to be buckled on the lower cut-off knife axle 45 with unification E types, and the adjustment part 43 positioning is hubbed at into the lower cut-off knife axle
On 45, the external diameter of adjustment part 43 is provided around quite and in exposing to the lower end of cut-off knife combination pedestal 42 with the adjusting hole 424
The passive tooth 431 of dentation, the adjustment part 43 are with outer spiral shell with the outer radius that the lower adjusting hole 424 of cut-off knife combination pedestal 42 screws togather
The adjustment portion 434 of line.
The knob 44 is for a spill dome body, and it forms a recess 441, recess 441 towards the end face of adjustment part 43
Periphery leads portion 425 to the lower limit of cut-off knife combination pedestal 42 and stretches the limiting section 440 provided with a tab-like, for coordinating limiting groove 425
The portion 426 that places restrictions on place restrictions on, and the internal diameter of recess 441 is suitable with the external diameter of adjustment part 43, and is provided around the driving tooth 442 of tooth form,
Drive is engaged with the passive tooth 431 of the adjustment part 43 by the driving tooth 442, the drive adjustment part for making that the knob 44 can be certain
43 rotate, and can effectively change the lower cut-off knife combination pedestal 42 in the position on the adjustment part 43, reach and adjust the lower cut-off knife
With reference to the purpose of the position of pedestal 42；The limiting section 440 is additionally provided with an elastic card division 443, and the knob 44 is placed on the passive tooth 432
Place, the knob 44 set the least significant end of passive tooth 432 to wear into the adjustment part 43 by the adjustment part 43, and the quilt is crossed in the card division 443
After moving teeth 432, card division 443 and the lateral margin of the other end of passive tooth 431 are fastened, and knob 44 can not be recessed the driving tooth
442 engage with the passive tooth 432, form a retaining state；The periphery of card division 443 is provided with profile groove 444 to form elasticity.
Described lower one end of cut-off knife axle 45 is fixed on the support 11, and another end protrudes the support 11 and the appearance provided with a scrobicular ring shape
Groove 450, so that an accommodating elasticity stops ring 451, and this is stopped the outer peripheral edge of ring 451 and the adjustment part 43 is supported with elastic top, avoid adjusting
One integral piece 43 produces unnecessary clearance with lower cut-off knife axle 45 and causes infringement and the noise of vibrations collision, and is imitated with certain resistance mud
Fruit.
The lower sanction is adjusted when the driving tooth 442 of the knob 44 engages mutually to drive with the passive tooth 431 of adjustment part 43
Position where knife combination pedestal 42, when the limiting section 440 of the knob 44 is limited the stop of stop 426 to the maximal end point of stroke, and
Position after the lower cut-off knife combination pedestal 42 adjusts does not reach correct position yet, then the card division 443 can be provoked with instrument not
The knob 44 can be recessed to the end of adjustment part 43 with the blocking of passive tooth 432, the driving tooth 442 of the knob 44 is left with being somebody's turn to do
The position of the blocking of 43 passive tooth of adjustment part 431, as shown in Figure 8, you can after the knob 44 is rotated into the angle of needs, then again
It is pushed back into the position that the driving tooth 442 drives with the blocking of passive tooth 431, you can redefine the rotational travel of adjustment part 43
Starting point, you can rotated again with knob 44 to the adjustment part 43 and adjust the position of the lower cut-off knife combination pedestal 42.
Following functions are can reach in fact by foregoing structure, including：
1. drive mechanism simplifies：Match somebody with somebody the linear guiding structure for closing cut-off knife driving member 36 by guiding element 37, sanction is caught in cooperation
The connecting rod 24 of knife transmission device 20 is the structural form that stage casing is hubbed on pivot 23, and can reach the letter of drive mechanism really
Change purpose.
2. cut-off knife stopping means simplifies on：By the integrated design of cut-off knife driving member 36 on this for the spacing dress of cut-off knife on this
The installation of 30 associated components is put, the structure for making cut-off knife related effectively simplifies, to reduce the relevant cost of manufacture and assembling.
3. adjustment is more efficiently：Structural form with not driving can be driven with knob 44 and adjustment part 43, coordinate the adjustment
Part 43 and the adjustment structure of the threads of the lower cut-off knife combination pedestal 42, make the lower 42 adjustable scope of cut-off knife combination pedestal
Bigger and adjustment structure also falls within simplified design, and meets the purpose of efficient activity.
Claims (5)
1. a kind of sewing machine cut-off knife mechanism, there is the sewing machine power transmission shaft to pass through one cut-off knife of cut-off knife transmission device drive on one
The upper cut-off knife action of mechanism, a support, which is additionally provided with one, has the lower cut-off knife stopping means of cut-off knife, with cut-off knife phase interworking on this
Close；
Lower cut-off knife stopping means combines the lower cut-off knife combination pedestal of the lower cut-off knife with cut-off knife once and one, and its feature exists
In：
The lower cut-off knife combination pedestal has an adjusting hole；
One adjustment part has one to wear axis hole, and the adjustment part is with outer with the outer radius that the lower cut-off knife combination pedestal adjusting hole screws togather
The adjustment portion of screw thread；
Once one end of cut-off knife axle is fixedly arranged on the support, and the another end pivot for protruding the support is through at this of the adjustment part and wears axis hole, should
Adjustment part rotatably adjusts the position of the lower cut-off knife combination pedestal.
A kind of 2. sewing machine cut-off knife mechanism as claimed in claim 1, it is characterised in that：The adjustment part is in exposing to the lower sanction
Knife connecting support body end portion is provided around the passive tooth of dentation, and a knob forms a recess, recess periphery towards the adjustment part end face
Stretched to the lower cut-off knife combination pedestal limit portion of leading provided with a limiting section, and the recess internal diameter is provided around the driving tooth of tooth form, by
The driving tooth engages drive with the passive tooth of the adjustment part.
A kind of 3. sewing machine cut-off knife mechanism as claimed in claim 2, it is characterised in that：The limiting section of the knob is additionally provided with one
Elastic card division, the knob are placed at the passive tooth, the card division and the passive tooth blocking retaining.
A kind of 4. sewing machine cut-off knife mechanism as claimed in claim 3, it is characterised in that：The elastic card division periphery is provided with profile groove
To form elasticity.
A kind of 5. sewing machine cut-off knife mechanism as claimed in claim 1, it is characterised in that：The lower cut-off knife axle, which is provided with one, to be held
Groove, so that an accommodating elasticity stops ring, and this is stopped the outer peripheral edge of ring can the contact of the elasticity adjustment part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753558.1A CN105239280B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310093518.XA CN104060409B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
| CN201510753558.1A CN105239280B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310093518.XA Division CN104060409B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105239280A CN105239280A (en) | 2016-01-13 |
| CN105239280B true CN105239280B (en) | 2018-01-30 |
Family
ID=51548327
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310093518.XA Active CN104060409B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
| CN201510753558.1A Active CN105239280B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310093518.XA Active CN104060409B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104060409B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329191A (en) * | 2000-06-19 | 2002-01-02 | 大和缝纫机制造株式会社 | Cutting device for sewing machine |
| CN1548603A (en) * | 2003-05-20 | 2004-11-24 | 曾贤长 | Cutting unit for sewing machine |
| CN200967878Y (en) * | 2006-11-15 | 2007-10-31 | 罗千 | Cutting mechanism for blind seaming machine |
| CN101182669A (en) * | 2006-11-13 | 2008-05-21 | Juki株式会社 | Cloth cutting device of sewing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61390A (en) * | 1985-03-30 | 1986-01-06 | ジャガー株式会社 | Drive apparatus of sewing apparatus |
| JPH061390A (en) * | 1992-04-09 | 1994-01-11 | Nippon Steel Corp | Pulverulent material tank |
| JP2001293272A (en) * | 2001-03-28 | 2001-10-23 | Brother Ind Ltd | Cutter mechanism for sewing machine |
| JP4383842B2 (en) * | 2003-12-12 | 2009-12-16 | 蛇の目ミシン工業株式会社 | Sewing machine with upper knife switching mechanism |
| JP2006198085A (en) * | 2005-01-19 | 2006-08-03 | Juki Corp | Knife device of sewing machine for cutting cloth |
-
2013
- 2013-03-21 CN CN201310093518.XA patent/CN104060409B/en active Active
- 2013-03-21 CN CN201510753558.1A patent/CN105239280B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329191A (en) * | 2000-06-19 | 2002-01-02 | 大和缝纫机制造株式会社 | Cutting device for sewing machine |
| CN1548603A (en) * | 2003-05-20 | 2004-11-24 | 曾贤长 | Cutting unit for sewing machine |
| CN101182669A (en) * | 2006-11-13 | 2008-05-21 | Juki株式会社 | Cloth cutting device of sewing machine |
| CN200967878Y (en) * | 2006-11-15 | 2007-10-31 | 罗千 | Cutting mechanism for blind seaming machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104060409B (en) | 2016-12-28 |
| CN105239280A (en) | 2016-01-13 |
| CN104060409A (en) | 2014-09-24 |
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