CN105239280A - Sewing machine cutter mechanism - Google Patents
Sewing machine cutter mechanism Download PDFInfo
- Publication number
- CN105239280A CN105239280A CN201510753558.1A CN201510753558A CN105239280A CN 105239280 A CN105239280 A CN 105239280A CN 201510753558 A CN201510753558 A CN 201510753558A CN 105239280 A CN105239280 A CN 105239280A
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- knife
- cut
- adjustment part
- knob
- conjunction
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Abstract
The invention discloses a sewing machine cutter mechanism. An upper cutter seat is installed at one end of an upper cutter transmission part, the other end of the upper cutter transmission part is driven by an upper cutter transmission device, the upper cutter transmission part penetrates through a guide fixed to a machine base, and the purpose of stably guiding the upper cutter transmission part to move up and down vertically is achieved; a lower cutter combined seat body is provided with an adjusting hole which is in an internal thread form and is matched with an adjusting part with an external thread in a screwed mode, the adjusting part serves as a lower cutter shaft arranged on the machine base through a pivot, the adjusting part exposed out of the end of the lower cutter combined seat and a knob are provided with tooth forms which are meshed with other, the outer diameter of the knob is provided with a limiting part which is matched with a guide limiting part with a certain arch length on the outer periphery of the adjusting hole to limit the rotating angle of the knob, the knob can leave or return back to the position where the knob is meshed with the adjusting part so as to change the position relative to the adjusting part, and therefore the purpose of finely adjusting the driven rotation range of the adjusting part again is achieved.
Description
Technical field
The present invention relates to a kind of Sewing machines cut-off knife mechanism, refer to the cutter structure for denim cuttings while of sewing machine especially.
Background technology
Traditional Sewing machines cut-off knife mechanism creates with the principle of parallel―ordinal shift group the function that start stablized by upper cut-off knife, and make this lower cut-off knife can effectively by adjustment its near or away from needle plate.
In response to the different kinds of drive and continue to simplify structure with the innovation reduced costs, so as to improving the convenience and stability in start that overall cut-off knife mechanism uses, still there is the space of improvement.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Sewing machines cut-off knife mechanism, and it is easy to use stable.
For solving the problem, the invention provides a kind of Sewing machines cut-off knife mechanism, described Sewing machines has a power transmission shaft drives the upper cut-off knife stopping means of a cut-off knife mechanism upper cut-off knife action through cut-off knife transmission device on, and this cut-off knife mechanism is separately provided with cut-off knife, cooperatively interacts with cut-off knife on this;
Described upper cut-off knife transmission device is that this connecting rod middle section is hubbed at this support, and two ends are respectively first end and the second end by this power transmission shaft with the first end interlock of a drivening piece and a connecting rod;
Described upper cut-off knife stopping means has cut-off knife seat on cut-off knife on, a return spring, a limit body and a limited bolt, and on this, cut-off knife is the one end being fixed on cut-off knife seat on this, and on this, cut-off knife seat another end is through this return spring and this limit body;
Described upper cut-off knife stopping means separately has cut-off knife driving member on, and described upper cut-off knife driving member passes for described upper cut-off knife seat, and described limited bolt is mutually spacing between cut-off knife driving member and this limit body on this, and described upper cut-off knife driving member has the portion of leading;
One guiding element is fixed on described support, and this guiding element is provided with a guide groove and places for the portion of leading of cut-off knife driving member on this, and on this, the portion of leading of cut-off knife driving member is moved through connecting rod second end band that the end of this guiding element is cut-off knife transmission device on this.
Further, described upper cut-off knife driving member is led top, portion extended an extension by this, described extension end is provided with a support, on this cut-off knife driving member extension with lead junction, portion and be provided with one first and wear bore and pass for cut-off knife seat on this, and to wear bore place relative to first in this support and be provided with second and wear bore and pass for the end of cut-off knife seat on this, on this, cut-off knife seat two is worn between bore in this and is arranged with return spring and limit body, described return spring one end peaks at this and first wears bore end, and another end peaks at this limit body.
Further, described extension middle section is separately provided with an outstanding only edge, and described limit body is fixed on described upper cut-off knife seat, wears between bore move axially in described upper cut-off knife seat this first and second, and described limit body is limited for this support and only edge.
Further, the second end of described connecting rod is relative with cut-off knife driving member end on this is provided with a chute and pivot joint one power transmission unit, and described power transmission unit one end is slidedly arranged in this chute.
The present invention separately provides a kind of Sewing machines cut-off knife mechanism, described Sewing machines has a power transmission shaft drives a cut-off knife mechanism upper cut-off knife action through cut-off knife transmission device on, this support is separately provided with the lower cut-off knife stopping means that has cut-off knife, cooperatively interacts with cut-off knife on this;
Lower cut-off knife stopping means has cut-off knife and in conjunction with the lower cut-off knife of this lower cut-off knife in conjunction with pedestal;
Described lower cut-off knife has an adjusting hole in conjunction with pedestal;
One adjustment part has wears axis hole, and the outer radius that this adjustment part and this lower cut-off knife screw togather in conjunction with pedestal adjusting hole is for having externally threaded adjustment part;
Once one end of cut-off knife axle is fixedly arranged on this support, the another end pivot protruding this support be through at this adjustment part this wear axis hole, this adjustment part rotatably adjusts the position of this lower cut-off knife in conjunction with pedestal.
Further, described adjustment part is provided with passive tooth around dentation in exposing to this lower cut-off knife connecting support end of body, and this knob forms a recess towards this adjustment part end face, recess periphery is limit the portion of leading to stretch to this lower cut-off knife in conjunction with pedestal and is provided with a limiting section, and this recess internal diameter is provided with the driving tooth around profile of tooth, engages with the passive tooth of this adjustment part by this driving tooth and drive.
Further, the limiting section of described knob is separately provided with an elasticity card division, and this knob is placed on this passive tooth place, this card division and this passive tooth blocking retaining.
Further, described card division periphery is provided with profile groove to form elasticity.
Further, described lower cut-off knife axle is provided with a tank, for an accommodating elasticity stop ring, and makes the outer peripheral edge of this stop ring can this adjustment part of flexible contact.
Sewing machines cut-off knife mechanism of the present invention, by adjusting the rotatable scope of adjustment part, reaches the object improving applicability, and minimizing component reduces costs and the object making Dynamic stability.
Accompanying drawing explanation
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 of the present invention stero exploded view.
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 of the present invention frontal planar schematic diagram.
Fig. 5 is cut-off knife stopping means generalized 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 generalized section under the present invention.
Fig. 8 is that the present invention downloads the knob of cutter stopping means and adjustment part separates schematic diagram mutually.
Description of reference numerals
A is cut-off knife mechanism
10 are Sewing machiness 11 are supports 12 is cantilevers
13 are power transmission shafts 14 is needle plates
111 be that to wear axle 140 are first needle plates 141 is second needle plates
31 is upper cut-off knives
30 are upper cut-off knife stopping means 31 is upper cut-off knives
40 are lower cut-off knife stopping means 41 is lower cut-off knives
112 is fastening parts
21 are driving links 22 are drivening pieces 23 is pivots
24 is connecting rods
240 are chutes 241 are first ends 242 is second ends
25 is power transmission unit 250 is axle pivot portions
31 are upper cut-off knives 310 is adjusting holes 311 is adjustment bolts
32 are upper cut-off knife seats 320 are portions 321 is stationary knife grooves
322 is pivot cover portions
33 is elastic reset springs
34 are limit bodies 340 are centre bores 341 is stopper slots
35 is limited bolts
36 is upper cut-off knife driving members
360 be that to lead portion 361 are extensions 362 is supports
363 is pivot hole 364 is that first to wear bore 365 are only edge
366 is second wear bore
37 is guiding elements
370 is auricles 371 are first perforation 372 is second perforation
38 is gim pegs
373 is guide grooves
42 are lower cut-off knives is adjustment parts in conjunction with pedestal 43
44 is knobs
45 is lower cut-off knife axles
420 are tool rest portions 421 is vertical end
422 are guide holes 423 is allow hole
424 is adjusting holes 425 is that limit is led portion 426 and placed restrictions on portion
43 is these adjustment parts
430 is that to wear axis hole 431 are passive tooth
434 is adjustment parts
44 are knobs 441 is recesses
440 are limiting sections 442 is driving tooths
450 tank 451 stop rings
Detailed description of the invention
Fig. 1 please be coordinate, 2, shown in 3, the support 11 that cut-off knife mechanism A of the present invention is provided at Sewing machines 10 is inner, and stretch in this support 11 side and be provided with cantilever, the inside of this support 11 has a power transmission shaft 13 with simultaneously with engine-bed 11 and the driving member in cantilever, and this cantilever free end has the car pin of knee-action, this support 11 establishes cut-off knife mechanism A relative to below this car pin, and support 11 is provided with needle plate 14 in the top of this cut-off knife mechanism A, this needle plate 14 can be divided into the first needle plate 140 and the second needle plate 141, this cut-off knife mechanism A to have on one cut-off knife 31 and once cut-off knife 41, and on this, lower cut-off knife 31, the transmission of 41 and stopping means, wherein, the upper cut-off knife transmission device 20 of this cut-off knife mechanism A into the drive of this power transmission shaft 13 is separately provided with in this support 11, with cut-off knife on interlock 31, this support 11 is separately provided with an outstanding axle 111 and of wearing and is close to this and wears the fastening part 112 that axle 111 place is set as stratum's shape, arrange to supply the upper cut-off knife stopping means 30 of cut-off knife mechanism A and lower cut-off knife stopping means 40 respectively, so as to change upper cut-off knife 31 in stream oriented device and lower cut-off knife 41 place position and guarantee its change after the position at place, wherein, namely feature of the present invention is the setting coordinated with lower cut-off knife stopping means 40 by cut-off knife stopping means 30 on it, simplifies with the more certain rock-steady structure of transmission of lower cut-off knife 41 to make upper cut-off knife 31.
Power transmission shaft 13 in support 11 of the present invention is by the power source of motor form is driven, one end and cut-off knife transmission device 20 interlock on this, the upper cut-off knife transmission device 20 that its support 11 is arranged, it is the driving link 21 being provided with a cam interlock form in power transmission shaft 13, the annular round portion of one drivening piece 22 end is coated at this driving link 21 cam place, and wear this driving link 21 with a bolt spiral shell and be packed on this power transmission shaft 13, connecting rod 24 first end 241 being pivoted with a pivot 23 bottom its drivening piece 22 with a middle section driven, these pivot 23 two ends are hubbed on support 11, these connecting rod 24 two ends are respectively first end 241 and the second end 242, and form one in the second end 242 and extend microscler chute 240 along this connecting rod 24 long axis direction, and in this chute 240, be slidably equipped with one can along the power transmission unit 25 of chute 240 slippage, the end of this power transmission unit 25 slippage in chute 240 is square, and stretch out a columned axle pivot portion 250 to upper cut-off knife stopping means 30 direction of this cut-off knife mechanism A, relative component is driven with pivot joint.
Described upper cut-off knife stopping means 30 has cut-off knife 31 on this, upper cut-off knife seat 32, one return spring 33, one limit body 34 and a limited bolt 35, on this, cut-off knife 31 is the screw locks of the adjustment bolt 311 coordinating the microscler adjusting hole 310 in bottom and bolt form, cut-off knife 31 is made to be fixed on stationary knife groove 321 on this in seat portion, cut-off knife seat 32 one end 320, and upper cut-off knife seat 32 another end face centre stretches out the pivot cover portion 322 that an external diameter is less than this portion 320, with the elastic reset spring 33 through a coil spring form, the centre bore 340 of the limit body 34 of ring-type, coordinate this limit body 34 outside diameter structure to be separately fastened with this limited bolt 35 to place restrictions on, and this feature is: separately have cut-off knife driving member 36 on, on this, cut-off knife driving member 36 passes for cut-off knife seat 32 on this, and cut-off knife seat 32 to be placed through on this after cut-off knife driving member 36 again through this return spring 33 and this limit body 34 on this, this pilot pin 35 is mutually spacing between cut-off knife driving member 36 and this limit body 34 on this, this pilot pin 35 of the present embodiment to be fixed on this on cut-off knife driving member and to limit this limit body 34, on this, cut-off knife driving member 36 middle section is separately vertically placed through one and is fixed on guiding element 37 on support 11, and on this cut-off knife driving member 36 through the end of this guiding element 37 and power transmission unit 25 hinge portion 250 pivot joint of cut-off knife transmission device 20 on this, when making connecting rod 24 action, cut-off knife driving member 36 on this can be driven to move up in guiding element 37 side of guiding via power transmission unit 25.
Described guiding element 37 extends laterally an auricle 370, and bore a hole in the first perforation 371 being provided with a path perforation form in this auricle 370 and large footpath, below place one, second of form bores a hole 372, this first perforation 371 for bolt forms gim peg 38 through and screw lock in support 11 opposite position, auricle 370 is able to smoothly make to wear axle 111 through this second perforation 372 in this support 11 surface, the guide groove 373 that frame-shaped forms central authorities is closed in the vertical four directions of this guiding element 37 auricle 370 another end, pass for cut-off knife driving member 36 on this and guide, and this guide groove 373 has certain length, so as to stable guiding on this cut-off knife driving member 36 in wherein slippage, and the outer wall of this guide groove 373 is close to the fastening part 112 of this support 11, to be fastened, make the location that this guiding element 37 can be certain.
Please coordinate shown in Fig. 4 and 5 simultaneously, and cut-off knife driving member 36 is lead portions 360 shaft-like in the four directions of vertical direction and leads the extension 361 of portion 360 upper horizontal extension and the support 362 of the short vertical free end of this extension 361 end-turn by this on this, overall side-looking is made to be one J-shaped, wherein, this is led portion 360 length and is greater than this guide groove 373 and is placed through this guide groove 373 in middle section to be really guided vertically slippage, this is led bottom, portion 360 and is provided with a pivot hole 363 and passes for this this axle pivot portion 250, this connecting rod 24 is made to be driven cut-off knife driving member 36 action on this, and on this cut-off knife driving member 36 extension 361 with lead junction, portion 360 and be provided with one first and wear bore 364 for cut-off knife seat 32 on this and pass, the bottom of this extension 361 middle section is separately provided with an outstanding only edge 365 downwards, and wear bore 364 place in this support 362 relative first and be provided with second and wear bore 366 and pass for the end of cut-off knife seat 32 on this, to make on this cut-off knife seat 32 in this first, two wear bore 364, return spring 33 and limit body 34 is sequentially arranged with between 366, this return spring 33 one end peaks at this and first wears bore 364 end, another end peaks at this limit body 34, this limit body 34 is fixed on cut-off knife seat 32 on this with bolt, and to make on this cut-off knife seat 32 along first, two wear bore 364, 366 can by this limit body 34 for this support 362 and being only limited in certain stroke of edge 365 be moved when axially pulling, and this support 362 nearly second is worn bore 366 place and is separately provided with a fixing hole and places fixing for a limited bolt 35, and make this limited bolt 35 extend the outer radius of this limit body 34 to produce the effect of the location that is fastened.
Described limit body 34 is the circuluses in hole 340 centered by central authorities, the external diameter 180 degree of places that are separated by respectively are provided with the stopper slot 341 of a semicircle concavity, this different stopper slot 341 of this limit body 34 is equipped in coordinate this limited bolt 35, cut-off knife 31 on upper cut-off knife seat 32 simultaneous linkage of this limit body 34 unitary rotation can be made to locate in different positions, please coordinate shown in Fig. 6, when user will change upper cut-off knife 31 position, cut-off knife seat 32 can be pulled, limit body 34 on cut-off knife seat 32 is left to push up to this limit body 34 and only edge 365 with the position of limited bolt 35 blocking only to compress return spring 33 simultaneously, rotate after cut-off knife seat 32 on this to another stopper slot 341 of this limit body 34 aims at this limited bolt 35 again, directly let go, return spring 33 can by this limit body 34 rollback to only supporting with support 362, the stopper slot 341 of this limit body 34 just can be located with this limited bolt 35 blocking, on this, namely cut-off knife seat 32 no longer rotates.
Lower cut-off knife stopping means 40 has cut-off knife 41, and is covered on this adjustment part 43 in conjunction with pedestal 42, one and this lower cut-off knife in conjunction with the adjustment part 43, that pedestal 42 screws togather mutually in conjunction with the lower cut-off knife of this lower cut-off knife 41 and exposes to this lower cut-off knife and be fixedly arranged on support 11 in conjunction with the knob 44 of pedestal 42 end and one end and the another end pivot protruding support 11 is through at the lower cut-off knife axle 45 at this adjustment part 43 center, as shown in Figure 7, its lower cut-off knife 41 is tool rest portions 420 that cooperation two groups of bolts are fixed on cut-off knife and cave in conjunction with pedestal 42 top free ends, this lower cut-off knife is 7 character form structure bodies in the form of sheets in conjunction with pedestal 42, hole 423 is allowed for what vertical end 421 is separately established the oval poroid guide hole 422 of a vertical long and a large footpath circle, to stablize strength and gim peg 38 large footpath head end is placed in therebetween for wearing axle 111 through producing blocking respectively, and be provided with in conjunction with pedestal 42 turning point the adjusting hole 424 that a hollow tubular internal diameter is provided with internal thread form in this lower cut-off knife, winding of adjusting hole 424 periphery ring is limited leads portion 425 for this, and form in the least significant end that this limit leads portion 425 portion that places restrictions on 426 that this limit of a sealing leads portion 425.
Described adjustment part 43 is a hollow cylindrical body, in this, vacancy is protruded support 11 end for this lower cut-off knife axle 45 and is penetrated cooperation one E type for wearing axis hole 430 and be buckled on this lower cut-off knife axle 45, this adjustment part 43 location is hubbed on this lower cut-off knife axle 45, quite and be provided with passive tooth 431 around dentation in exposing to this lower cut-off knife in conjunction with pedestal 42 end, the outer radius that this adjustment part 43 and this lower cut-off knife screw togather in conjunction with pedestal 42 adjusting hole 424 is for having externally threaded adjustment part 434 for this adjustment part 43 external diameter and this adjusting hole 424.
Described knob 44 is a spill dome body, it forms a recess 441 towards this adjustment part 43 end face, recess 441 periphery is led portion 425 to this lower cut-off knife in conjunction with pedestal 42 limit and is stretched the limiting section 440 being provided with a tab-like, place restrictions on for coordinating the portion that places restrictions on 426 of limiting groove 425, and recess 441 internal diameter is suitable with this adjustment part 43 external diameter, and the driving tooth 442 be provided with around profile of tooth, to engage with the passive tooth 431 of this adjustment part 43 by this driving tooth 442 and drive, this adjustment part 43 of drive that this knob 44 can be certain is rotated, and effectively can change this lower cut-off knife in conjunction with the position of pedestal 42 on this adjustment part 43, reach the object of this lower cut-off knife of adjustment in conjunction with pedestal 42 position, this limiting section 440 is separately provided with an elasticity card division 443, this knob 44 is placed on this passive tooth 432 place, this knob 44 arranges passive tooth 432 least significant end by this adjustment part 43 and wears into this adjustment part 43, after this passive tooth 432 is crossed in this card division 443, card division 443 is fastened with the lateral margin of this passive tooth 431 other end, make knob 44 cannot recess this driving tooth 442 to engage with this passive tooth 432, form a retaining state, this card division 443 periphery is provided with profile groove 444 to form elasticity.
Described lower cut-off knife axle 45 one end is fixed on this support 11, another end is given prominence to this support 11 and is provided with the tank 450 of a scrobicular ring shape, for an accommodating elasticity stop ring 451, and make the outer peripheral edge of this stop ring 451 support this adjustment part 43 with elastic top, avoid adjustment part 43 and lower cut-off knife axle 45 to produce unnecessary clearance and cause the infringement and noise that shake and collide, and there is certain resistance mud effect.
The position of this lower cut-off knife in conjunction with pedestal 42 place is adjusted when the driving tooth 442 of this knob 44 engages mutually to drive with this adjustment part 43 passive tooth 431, when the limiting section 440 of this knob 44 is limited the maximal end point of stop 426 stop to stroke, and the position after this lower cut-off knife adjusts in conjunction with pedestal 42 does not arrive correct position yet, then can provoke this card division 443 and this knob 44 can not recessed this adjustment part 43 end with passive tooth 432 blocking by instrument, the driving tooth 442 of this knob 44 is made to leave the position with the blocking of this adjustment part 43 passive tooth 431, as shown in Figure 8, after this knob 44 can being rotated the angle of needs, again the position to this driving tooth 442 and this passive tooth 431 blocking drive is pushed back again, the i.e. starting point of this adjustment part 43 rotational travel of redefinable, can rotate this adjustment part 43 with knob 44 again and adjust the position of this lower cut-off knife in conjunction with pedestal 42.
Can following functions be reached in fact by aforesaid structure, comprise:
1. drive mechanism simplifies: the linear guiding structure coordinating upper cut-off knife driving member 36 by guiding element 37, coordinates the connecting rod 24 catching cut-off knife transmission device 20 to be structural forms that stage casing is hubbed on pivot 23, and simplification object reaching drive mechanism that can be certain.
2. go up cut-off knife stopping means to simplify: install for cut-off knife stopping means 30 associated components on this by cut-off knife driving member 36 integrated design on this, the relevant structure of cut-off knife is effectively simplified, to reduce the relevant cost manufactured with assembling.
3. adjustment is more efficient: can drive and the structural form do not driven with knob 44 and adjustment part 43, coordinate this adjustment part 43 and the adjust structure of this lower cut-off knife in conjunction with the threads of pedestal 42, make this lower cut-off knife in conjunction with the adjustable scope of pedestal 42 is larger and adjust structure also belongs to the design of simplification, and meet the object of efficient activity.
Claims (5)
1. a Sewing machines cut-off knife mechanism, described Sewing machines has a power transmission shaft drives a cut-off knife mechanism upper cut-off knife action through cut-off knife transmission device on, and a support is separately provided with the lower cut-off knife stopping means that has cut-off knife, cooperatively interacts with cut-off knife on this;
Lower cut-off knife stopping means has cut-off knife and in conjunction with the lower cut-off knife of this lower cut-off knife in conjunction with pedestal, and it is characterized in that:
Described lower cut-off knife has an adjusting hole in conjunction with pedestal;
One adjustment part has wears axis hole, and the outer radius that this adjustment part and this lower cut-off knife screw togather in conjunction with pedestal adjusting hole is for having externally threaded adjustment part;
Once one end of cut-off knife axle is fixedly arranged on this support, the another end pivot protruding this support be through at this adjustment part this wear axis hole, this adjustment part rotatably adjusts the position of this lower cut-off knife in conjunction with pedestal.
2. a kind of Sewing machines cut-off knife mechanism as claimed in claim 1, it is characterized in that: described adjustment part is provided with passive tooth around dentation in exposing to this lower cut-off knife connecting support end of body, one knob forms a recess towards this adjustment part end face, recess periphery is limit the portion of leading to stretch to this lower cut-off knife in conjunction with pedestal and is provided with a limiting section, and this recess internal diameter is provided with the driving tooth around profile of tooth, engages with the passive tooth of this adjustment part by this driving tooth and drive.
3. a kind of Sewing machines cut-off knife mechanism as claimed in claim 2, is characterized in that: the limiting section of described knob is separately provided with an elasticity card division, and this knob is placed on this passive tooth place, this card division and this passive tooth blocking retaining.
4. a kind of Sewing machines cut-off knife mechanism as claimed in claim 3, is characterized in that: described elasticity card division periphery is provided with profile groove to form elasticity.
5. a kind of Sewing machines cut-off knife mechanism as claimed in claim 1, is characterized in that: described lower cut-off knife axle is provided with a tank, for an accommodating elasticity stop ring, and makes the outer peripheral edge of this stop ring can this adjustment part of flexible contact.
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 |
|---|---|---|---|
| CN201510753558.1A CN105239280B (en) | 2013-03-21 | 2013-03-21 | Sewing machine cut-off knife mechanism |
| CN201310093518.XA CN104060409B (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 true CN105239280A (en) | 2016-01-13 |
| CN105239280B 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001293272A (en) * | 2001-03-28 | 2001-10-23 | Brother Ind Ltd | Cutter mechanism for sewing machine |
| 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 (4)
| 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 |
| 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 (5)
| 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 |
| JP2001293272A (en) * | 2001-03-28 | 2001-10-23 | Brother Ind Ltd | Cutter mechanism 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 |
|---|---|
| CN105239280B (en) | 2018-01-30 |
| CN104060409A (en) | 2014-09-24 |
| CN104060409B (en) | 2016-12-28 |
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