CN201308851Y - Shredder and knife set mechanism - Google Patents
Shredder and knife set mechanism Download PDFInfo
- Publication number
- CN201308851Y CN201308851Y CNU2008202135446U CN200820213544U CN201308851Y CN 201308851 Y CN201308851 Y CN 201308851Y CN U2008202135446 U CNU2008202135446 U CN U2008202135446U CN 200820213544 U CN200820213544 U CN 200820213544U CN 201308851 Y CN201308851 Y CN 201308851Y
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- rotating shaft
- blade
- sheet
- spacer ring
- comb
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Abstract
The utility model provides a shredder, which comprises a casing, a knife set mechanism, a knife set driving mechanism and a wastepaper bucket, wherein the knife set mechanism, and the knife set driving mechanism and the wastepaper bucket are arranged in the casing. The knife set mechanism comprises two rotating shafts which are driven to oppositely rotate by the knife set driving mechanism, two groups of knife blades, a plurality of spacers, a plurality of comb plates and elastic damping rings mounted on two ends of each rotating shaft. The rotating shafts are arranged in parallel, each group of knife blades are fixedly sleeved on the corresponding rotating shaft at intervals, the knife blades on the two rotating shafts are arranged at intervals, the spacers are respectively sleeved among the knife blades at intervals on the two rotating shafts and among the elastic dumping rings and adjacent knife blades, each spacer is abutted with adjacent knife blades, each comb plate is equipped with a through hole, and each comb plate is arranged on each spacer through the through hole of each comb plate and has gaps with adjacent knife blades. The utility model not only can mount the knife blades stably and has a guiding function on wastepaper, but also avoiding friction among the knife blades and the comb plates, thereby reducing knife blades operation resistance, reducing noise and reducing wear of knife blades.
Description
Technical field
The utility model relates to office equipment, particularly relates to a kind of shredder and cutter group mechanism thereof.
Background technology
Shredder is used to pulverize used paper etc. as a kind of office equipment, to reach the effect of information privacy and environmental protection.Be provided with the cutter group mechanism that is used to pulverize paper in the shredder, this cutter group mechanism is provided with two groups of blades, is fixedly installed in respectively in two rotating shafts that are parallel to each other.Blade in each rotating shaft be provided with at interval (according to the shredded paper degree can the sheet sheet at interval, also can per two intervals etc.), and with another rotating shaft on the same alternate setting of blade that is provided with at interval, promptly the blade in the rotating shaft is wedged in another rotating shaft between adjacent two blades, forms and shears shape.By gear driven, rotation is rotated in opposite directions thereby drive two groups of blades in opposite directions, and the paper that inserts this cutter group mechanism is sheared by motor in two rotating shafts.Yet in this traditional kneader knife group mechanism, the space that same axle is gone up between the adjacent knife blades is bigger, can cause the installation instability of blade, influences the shear strength of blade, and fragile blade; Simultaneously, shear chip that paper produces and easily be blocked in the space between the blade, cause the blade running resistance to increase, influence shear efficiency, and give and clean shredder and bring puzzlement.
For addressing the above problem, adding catch between adjacent two blades in each rotating shaft usually, so that can firmly being installed in the rotating shaft and to the chip of shearing, blade produces guiding function, improve shear strength and shear efficiency, also make things convenient for the cleaning of shredder.Such catch such as Chinese patent 02216457.X number exposure.Yet this catch is provided with the axis hole except heart position therein, also needs thereon, the bottom is respectively equipped with locating hole, by two locating shafts are passed described locating hole respectively catch is fixed between the blade.This locate mode needs to be arranged in catch in the rotating shaft passes two locating shafts one by one and fixes, and very trouble is installed; The more important thing is that blade contacts with catch, between blade and catch, can produce friction in the blade rotary course, make the blade running resistance increase, can influence shear efficiency, also can damage blade and bring bigger noise simultaneously.
The utility model content
The technical problems to be solved in the utility model is, at the prior art above shortcomings, a kind of shredder and cutter group mechanism thereof that can reduce the blade running resistance, improve the paper shear efficiency is provided, blade firmly not only can be installed in the rotating shaft and and produce guiding function the chip of shearing, and can avoid producing friction between blade and the comb sheet, with reduction noise, minimizing blade abrasion, and the comb sheet is easy for installation.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of shredder is provided, and it comprises housing and is located at housing interior the cutter group mechanism that is used to pulverize paper, cutter group transmission mechanism, paper scrap bucket; Described cutter group mechanism comprises that two can drive rotating shaft, two groups of blades, a plurality of partition, a plurality of comb sheets of rotation in opposite directions and the circlip that is installed on each rotating shaft two ends by cutter group transmission mechanism, wherein, and described two shaft parallel settings; Every group of blade fixed cover at intervals is located in the corresponding rotating shaft the alternate setting of blade in described two rotating shafts; Described a plurality of spacer ring is sheathed on respectively in described two rotating shafts between separately the blade and between described circlip and the adjacent knife blades, each spacer ring and adjacent knife blades butt; Described a plurality of comb sheet respectively is provided with through hole, and each is combed sheet and is sheathed on the corresponding spacer ring by its through hole, and has the gap between the adjacent knife blades.
Described spacer ring can be sheathed in this rotating shaft rotatably with corresponding rotating shaft, describedly respectively combs the external diameter that the aperture of through hole on the sheet is slightly larger than described spacer ring.
Described cutter group mechanism also comprises two backstays, and this two backstay is parallel to each other and is fixed in the described housing, lays respectively at the below of two rotating shafts; Described bottom surface of respectively combing sheet is provided with the recess that can engage with described backstay, and the recess in each backstay and the corresponding rotating shaft on the set comb sheet engages one by one.
Described comb sheet respectively comprises body, the circular arc flange that vertically extends to body one side along this body outer and the location division that extension forms below described body from this flange outer sides limit, wherein said through hole is located on the described body, this body bottom also is provided with guiding groove, described flange arc radius is greater than the radius of described blade, and described recess is located at bottom surface, described location division; Each combs the body of sheet between the blade separately and between described circlip and the adjacent knife blades, and its flange then is positioned at the upside and the outside of this flange one side blade; Towards being sheathed on the corresponding spacer ring, the flange of the comb sheet in the different rotating shafts is towards on the contrary by same flange for comb sheet in the same rotating shaft, the mutual butt of adjacent comb sheet in the same rotating shaft; The comb sheet that is positioned at outermost end in described two rotating shafts extends to form the stopper section in twos relatively, and the stopper section of corresponding two comb sheets is staggered in two rotating shafts.
Per two blades in each rotating shaft are close to that to form a blade right, adjacent two blades between be provided with the gap; Blade in two rotating shafts is to alternate setting; Described spacer ring in each rotating shaft be located at respectively two adjacent blades between and described circlip and adjacent knife blades between, and with this two adjacent blade to butt.
The utility model also provides a kind of cutter group mechanism of shredder, comprises two rotating shaft and two groups of blades that can be driven rotation in opposite directions by cutter group transmission mechanism, described two shaft parallel settings; Every group of blade fixed cover at intervals is located in the corresponding rotating shaft the alternate setting of blade in described two rotating shafts.This cutter group mechanism also comprises a plurality of partitions and a plurality of comb sheet, and wherein, described a plurality of spacer rings are sheathed on respectively in described two rotating shafts between separately the blade, each spacer ring and adjacent knife blades butt; Described a plurality of comb sheet respectively is provided with through hole, and each is combed sheet and is sheathed on the corresponding spacer ring by its through hole, and has the gap between the adjacent knife blades.
Described spacer ring can be sheathed in this rotating shaft rotatably with corresponding rotating shaft, describedly respectively combs the external diameter that the aperture of through hole on the sheet is slightly larger than described spacer ring.
The cutter group mechanism of described shredder also comprises the circlip that is installed on each rotating shaft two ends; Also be provided with described spacer ring between this circlip and the adjacent knife blades, this spacer ring and adjacent knife blades connect and its on also be arranged with described comb sheet, have the gap between this comb sheet and the adjacent knife blades.
Described cutter group mechanism also comprises two backstays, and this two backstay is parallel to each other and is fixed in the described housing, lays respectively at the below of two rotating shafts; Described bottom surface of respectively combing sheet is provided with the recess that can engage with described backstay, and the recess in each backstay and the corresponding rotating shaft on the set comb sheet engages one by one.
Described comb sheet respectively comprises body, the circular arc flange that vertically extends to body one side along this body outer and the location division that extension forms below described body from this flange outer sides limit, wherein said through hole is located on the described body, this body bottom also is provided with guiding groove, described flange arc radius is greater than the radius of described blade, and described recess is located at bottom surface, described location division; Each combs the body of sheet between the blade separately and between described circlip and the adjacent knife blades, and its flange then is positioned at the upside and the outside of a side blade; Towards being sheathed on the corresponding spacer ring, the flange of the comb sheet in the different rotating shafts is towards on the contrary by same flange for comb sheet in the same rotating shaft, the mutual butt of adjacent comb sheet in the same rotating shaft; The comb sheet that is positioned at outermost end in described two rotating shafts extends to form the stopper section in twos relatively, and the stopper section of corresponding two comb sheets is staggered in two rotating shafts.
Per two blades in each rotating shaft are close to that to form a blade right, adjacent two blades between be provided with the gap; Blade in two rotating shafts is to alternate setting; Described spacer ring in each rotating shaft be located at respectively two adjacent blades between and described circlip and adjacent knife blades between, and with this two adjacent blade to butt.
The utility model adopt spacer ring be connected to adjacent two blades between, and will comb that sheet is placed on the spacer ring and and adjacent two blades between keep a determining deviation, spacer ring can be with the rotating shaft campaign, and the comb sheet is maintained fixed motionless by spacer ring and backstay spacing, so, can form nearly enclosed construction with when the chip of shearing generation is produced the good guiding effect, not only can be by the spacer ring blade to further locating, firmly be installed on blade in the rotating shaft, make it can steady running, guarantee its shear strength; Thereby but also avoided the comb sheet to contact having eliminated frictional force between the two with blade, can reduce the blade running resistance thus, thus raising paper shear efficiency.Simultaneously, the elimination of frictional force has reduced noise between blade and the comb sheet, has reduced blade abrasion.In addition, it is spacing that the utility model only adopts a backstay just can carry out the comb sheet, and adopt snap fit to get final product between this backstay and the comb sheet, therefore is convenient to very much install.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the cutaway view of shredder of the present utility model.
Fig. 2 is the three-dimensional exploded view of cutter group of the present utility model mechanism.
Fig. 3 is the structural representation of the comb sheet of cutter group of the present utility model mechanism.
Fig. 4 is the side view of the comb sheet of cutter group of the present utility model mechanism.
Fig. 5 is the cooperation schematic diagram of cutter group of the present utility model mechanism.
Fig. 6 is the three-dimensional assembly diagram of cutter group of the present utility model mechanism.
The specific embodiment
As shown in Figure 1, shredder of the present utility model comprises housing 10 and is located at cutter group mechanism 20, cutter group transmission mechanism and paper scrap bucket 30 in the housing 10.Wherein cutter group mechanism 20 is used to pulverize paper; To should cutter group mechanism 20 being provided with first inlet 11, paper can insert in the cutter group mechanism 20 through this first inlet 11 and pulverize on the roof of housing 10; Cutter group transmission mechanism is used to drive 20 operations of movable cutter set mechanism to pulverize the paper that inserts from first inlet 11; 30 in paper scrap bucket is used to accommodate the chip after paper is pulverized.
Cutter group of the present utility model mechanism 20 as shown in Figure 2, comprises two rotating shafts 21, two groups of blades 22, a plurality of spacer ring 23, a plurality of comb sheet 24, two backstays 25 (seeing Fig. 5, Fig. 6) and four circlips 26 that are installed on each rotating shaft 21 two ends respectively.Wherein two rotating shafts, 21 horizontal parallel settings, its two ends are installed on the support by the rolling bearing of cutter group transmission mechanism, can be by motor by gear drivens, rotation in opposite directions.This is well known to those of ordinary skill in the art, so do not repeat them here.
Two groups of blades 22 fixed cover respectively are located in this two rotating shaft 21, can rotate in opposite directions with rotating shaft 21.It is right that per two blades 22 in each rotating shaft 21 are close to formation one blade.In each rotating shaft 21 adjacent two blades between be provided with the gap, the blade in two rotating shafts 21 that is to say alternate setting, the blade in the rotating shaft 21 to wedge in another rotating shaft 21 adjacent two blades between.Certainly, the blade 22 in each rotating shaft 21 also can separate one by one, and with corresponding rotating shaft 21 on the alternate setting of blade.
When each is combed sheet 24 and is sheathed on the spacer ring 23 in the rotating shaft 21, its body 241 is positioned at the place, roughly centre position of corresponding spacer ring 23, thereby two adjacent blades between and circlip 26 and the blade adjacent with this circlip 26 between, and and this adjacent knife blades between all have the gap; The nearly string limit of body 241 is positioned at blade to the wedging side, and relatively, 242 of the flanges of comb sheet 24 are positioned at outside the right free side outer rim of one side blade, promptly are positioned at the right upside of a side blade and the outside.Comb sheet 24 in the same rotating shaft 21 by same flange towards being sheathed on separately on the spacer ring 23; The flange of the comb sheet 24 in the different rotating shafts 21 is towards on the contrary.Because the integral thickness of each comb sheet 24 equals the thickness sum of the thickness and a spacer ring 23 of two blades 22 of each blade centering substantially, then adjacent two comb sheets, 24 mutual butts, so forming nearly enclosure space between the adjacent two comb sheets 24 in the same rotating shaft, the right top and the outside of blade between these adjacent two comb sheets, 24 bodies 241 can be closed in wherein, only expose into paper portion and blade to wedging portion, as shown in Figure 5.
Two backstays 25 are arranged in parallel, and are installed in the housing 10, lay respectively at the below of two rotating shafts 21.Each backstay 25 successively be sheathed on respective axes of rotation 21 on the recess 246 of a plurality of comb sheets 24 belows cooperate, its two ends are fixed on the support of cutter group transmission mechanism (figure does not show).Comb sheet 24 by its through hole 244 in the cooperation of rotating shaft 21 upper isolating rings 23 with and recess 246 be positioned cooperating of backstay 25 in the housing 10, with rotating shaft 21 rotations.
Circlip 26 is installed on the two ends of each rotating shaft 21 respectively, and blade 22, spacer ring 23 and the comb sheet 24 that is installed in the rotating shaft 21 carried out axial location.Also packing ring can be set between the outermost comb sheet 24 in this circlip 26 and the rotating shaft 21.Certainly, except that circlip 26, also can adopt other mode blade 22, spacer ring 23 and comb sheet 24 to carry out axial location, for example screw rod location etc.
When cutter group mechanism 20 was installed, with blade in each rotating shaft 21 pair and spacer ring 23 alternate settings, spacer ring 23 and adjacent two blades were to connecting.Comb sheet 24 in the same rotating shaft 21 by same flange towards being installed on one by one on the spacer ring 23, and adjacent knife blades between be equipped with the gap, 24 mutual butts of two adjacent comb sheets, the recess 246 of comb sheet 24 bottoms is sticked in respectively on the corresponding backstay 25.Blade in the different rotating shafts 21 is opposite to the direction of alternate setting and comb sheet 24.After blade 22, spacer ring 23 and comb sheet 24 all install, near spacer ring 23 circlip 26 is installed respectively, thereby blade 22, spacer ring 23 and comb sheet 24 carry out axial location at the two ends of each rotating shaft 21.Then, this cutter group mechanism 20 can be installed on the support of cutter group transmission mechanism by rolling bearing etc.Thus, as shown in Figure 6, cutter group mechanism 20 can form nearly enclosed construction, the top and the outside of two groups of blades 22 are closed in wherein, only expose into paper portion, and coaxial cutter between comb sheet 24 is also arranged separately, can only be in falling into the paper scrap bucket so make to shear the chip of paper generation.In addition, four of outermost end comb sheets 24 extend to form stopper section 247 in twos relatively in two rotating shafts 21, just be that blade extends stopper section 247 to wedging portion one side to the inside, as shown in Figure 2, the stopper section 247 of the correspondence two comb sheets 24 of two groups of blade 22 outermost end is staggered in two rotating shafts 21, with two groups of blade 22 outer ends sealings, thereby guide the paper chip better.
The utility model adopt spacer ring be connected to adjacent two blades between, and will comb that sheet is placed on the spacer ring and and adjacent two blades between keep a determining deviation, spacer ring can be with the rotating shaft campaign, and the comb sheet is maintained fixed motionless by spacer ring and backstay spacing, so, can form nearly enclosed construction with when the chip of shearing generation is produced the good guiding effect, not only can be by the spacer ring blade to further locating, firmly be installed on blade in the rotating shaft, make it can steady running, guarantee its shear strength; Thereby but also avoided the comb sheet to contact having eliminated frictional force between the two with blade, can reduce the blade running resistance thus, thus raising paper shear efficiency.Simultaneously, the elimination of frictional force has reduced noise between blade and the comb sheet, has reduced blade abrasion.The fit structure of this spacer ring and blade and comb sheet can be applicable to have now in the various shredders that are arranged with the assembling and disassembling comb sheet between the rotating shaft cutter, to obtain above-mentioned effect.In addition, it is spacing that the utility model only adopts a backstay just can carry out the comb sheet, and adopt snap fit to get final product between this backstay and the comb sheet, therefore is convenient to very much install.
Claims (10)
1, a kind of shredder comprises housing and is located at housing interior the cutter group mechanism that is used to pulverize paper, cutter group transmission mechanism, paper scrap bucket; Wherein, described cutter group mechanism comprises two rotating shaft and two groups of blades that can be driven rotation in opposite directions by cutter group transmission mechanism, described two shaft parallel settings; Every group of blade fixed cover at intervals is located in the corresponding rotating shaft the alternate setting of blade in described two rotating shafts; It is characterized in that, described cutter group mechanism also comprises a plurality of partitions, a plurality of comb sheet and the circlip that is installed on each rotating shaft two ends, wherein, described a plurality of spacer ring is sheathed on respectively in described two rotating shafts between separately the blade and between described circlip and the adjacent knife blades, each spacer ring and adjacent knife blades butt; Described a plurality of comb sheet respectively is provided with through hole, and each is combed sheet and is sheathed on the corresponding spacer ring by its through hole, and has the gap between the adjacent knife blades.
2, shredder according to claim 1 is characterized in that, described spacer ring can be sheathed in this rotating shaft rotatably with corresponding rotating shaft, describedly respectively combs the external diameter that the aperture of through hole on the sheet is slightly larger than described spacer ring.
3, shredder according to claim 1 and 2 is characterized in that, described cutter group mechanism also comprises two backstays, and this two backstay is parallel to each other and is fixed in the described housing, lays respectively at the below of two rotating shafts; Described bottom surface of respectively combing sheet is provided with the recess that can engage with described backstay, and the recess in each backstay and the corresponding rotating shaft on the set comb sheet engages one by one.
4, shredder according to claim 3, it is characterized in that, described comb sheet respectively comprises body, the circular arc flange that vertically extends to body one side along this body outer and the location division that extension forms below described body from this flange outer sides limit, wherein said through hole is located on the described body, this body bottom also is provided with guiding groove, described flange arc radius is greater than the radius of described blade, and described recess is located at bottom surface, described location division; Each combs the body of sheet between the blade separately and between described circlip and the adjacent knife blades, and its flange then is positioned at the upside and the outside of this flange one side blade; Towards being sheathed on the corresponding spacer ring, the flange of the comb sheet in the different rotating shafts is towards on the contrary by same flange for comb sheet in the same rotating shaft, the mutual butt of adjacent comb sheet in the same rotating shaft; The comb sheet that is positioned at outermost end in described two rotating shafts extends to form the stopper section in twos relatively, and the stopper section of corresponding two comb sheets is staggered in two rotating shafts.
5, shredder according to claim 1 and 2 is characterized in that, per two blades in each rotating shaft are close to that to form a blade right, adjacent two blades between be provided with the gap; Blade in two rotating shafts is to alternate setting; Described spacer ring in each rotating shaft be located at respectively two adjacent blades between and described circlip and adjacent knife blades between, and with this two adjacent blade to butt.
6, a kind of cutter group mechanism of shredder comprises two rotating shaft and two groups of blades that can be driven rotation in opposite directions by cutter group transmission mechanism, described two shaft parallel settings; Every group of blade fixed cover at intervals is located in the corresponding rotating shaft the alternate setting of blade in described two rotating shafts; It is characterized in that this cutter group mechanism also comprises a plurality of partitions and a plurality of comb sheet, wherein, described a plurality of spacer rings are sheathed on respectively in described two rotating shafts between separately the blade, each spacer ring and adjacent knife blades butt; Described a plurality of comb sheet respectively is provided with through hole, and each is combed sheet and is sheathed on the corresponding spacer ring by its through hole, and has the gap between the adjacent knife blades.
7, the cutter group mechanism of shredder according to claim 6 is characterized in that, described spacer ring can be sheathed in this rotating shaft rotatably with corresponding rotating shaft, describedly respectively combs the external diameter that the aperture of through hole on the sheet is slightly larger than described spacer ring.
8, the cutter group mechanism of shredder according to claim 6 is characterized in that, also comprises the circlip that is installed on each rotating shaft two ends; Also be provided with described spacer ring between this circlip and the adjacent knife blades, this spacer ring and adjacent knife blades connect and its on also be arranged with described comb sheet, have the gap between this comb sheet and the adjacent knife blades.
According to the cutter group mechanism of arbitrary described shredder among the claim 6-8, it is characterized in that 9, described cutter group mechanism also comprises two backstays, this two backstay is parallel to each other and is fixed in the described housing, lays respectively at the below of two rotating shafts; Described bottom surface of respectively combing sheet is provided with the recess that can engage with described backstay, and the recess in each backstay and the corresponding rotating shaft on the set comb sheet engages one by one.
10, the cutter group mechanism of shredder according to claim 9, it is characterized in that, described comb sheet respectively comprises body, the circular arc flange that vertically extends to body one side along this body outer and the location division that extension forms below described body from this flange outer sides limit, wherein said through hole is located on the described body, this body bottom also is provided with guiding groove, described flange arc radius is greater than the radius of described blade, and described recess is located at bottom surface, described location division; Each combs the body of sheet between the blade separately and between described circlip and the adjacent knife blades, and its flange then is positioned at the upside and the outside of a side blade; Towards being sheathed on the corresponding spacer ring, the flange of the comb sheet in the different rotating shafts is towards on the contrary by same flange for comb sheet in the same rotating shaft, the mutual butt of adjacent comb sheet in the same rotating shaft; The comb sheet that is positioned at outermost end in described two rotating shafts extends to form the stopper section in twos relatively, and the stopper section of corresponding two comb sheets is staggered in two rotating shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202135446U CN201308851Y (en) | 2008-11-14 | 2008-11-14 | Shredder and knife set mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202135446U CN201308851Y (en) | 2008-11-14 | 2008-11-14 | Shredder and knife set mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201308851Y true CN201308851Y (en) | 2009-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202135446U Expired - Fee Related CN201308851Y (en) | 2008-11-14 | 2008-11-14 | Shredder and knife set mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201308851Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345586A (en) * | 2016-09-29 | 2017-01-25 | 北京世纪金图科技有限公司 | Hard disk crushing machine |
| CN108237002A (en) * | 2016-05-20 | 2018-07-03 | 徐罗斌 | Cutter shaft can carry the flaker knife assembly and flaker of the torque of bigger |
| CN108273624A (en) * | 2016-05-20 | 2018-07-13 | 徐罗斌 | A kind of flaker cageless whole knife assembly and its working method |
| CN108579963A (en) * | 2018-08-23 | 2018-09-28 | 新誉集团有限公司 | High secrecy paper shredding cutters group |
-
2008
- 2008-11-14 CN CNU2008202135446U patent/CN201308851Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237002A (en) * | 2016-05-20 | 2018-07-03 | 徐罗斌 | Cutter shaft can carry the flaker knife assembly and flaker of the torque of bigger |
| CN108273624A (en) * | 2016-05-20 | 2018-07-13 | 徐罗斌 | A kind of flaker cageless whole knife assembly and its working method |
| CN108325658A (en) * | 2016-05-20 | 2018-07-27 | 徐罗斌 | The flaker knife assembly and flaker cut for SD card, circuit board |
| CN108325659A (en) * | 2016-05-20 | 2018-07-27 | 徐罗斌 | Flaker knife assembly and flaker |
| CN108339640A (en) * | 2016-05-20 | 2018-07-31 | 徐罗斌 | Flaker knife assembly and flaker |
| CN106345586A (en) * | 2016-09-29 | 2017-01-25 | 北京世纪金图科技有限公司 | Hard disk crushing machine |
| CN108579963A (en) * | 2018-08-23 | 2018-09-28 | 新誉集团有限公司 | High secrecy paper shredding cutters group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20131114 |