CN202655088U - Cutter shaft strengthening mechanism of paper shredder - Google Patents
Cutter shaft strengthening mechanism of paper shredder Download PDFInfo
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- CN202655088U CN202655088U CN 201220197000 CN201220197000U CN202655088U CN 202655088 U CN202655088 U CN 202655088U CN 201220197000 CN201220197000 CN 201220197000 CN 201220197000 U CN201220197000 U CN 201220197000U CN 202655088 U CN202655088 U CN 202655088U
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- blade
- reinforcing mechanisms
- knife
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Abstract
The utility model discloses a cutter shaft strengthening mechanism of a paper shredder. The cutter shaft strengthening mechanism comprises two cutter shafts which are arranged in parallel and blade groups which are respectively fixed on the two cutter shafts and are mutually staggered, wherein each blade group comprises two blades; a strengthening mechanism is arranged on the blades of the adjacent blade groups; the strengthening mechanism comprises a strengthening body and a containing body which are respectively arranged on the blades of the adjacent blade groups and are mutually adapted; and the strengthening body is arranged on the blade groups in a detachable manner. The cutter shaft strengthening mechanism disclosed by the utility model can realize the aim that the cutter shafts are not propped to be open while multiple sheets of paper are shredded, is simple in structure, is convenient to process and manufacture and is easy to assemble.
Description
Technical field
The utility model relates to the shredder field, particularly a kind of knife pivot of paper crusher reinforcing mechanisms.
Background technology
The paper shredder of shredder is made of two cutter shafts that are arranged in parallel and the set of blades that is arranged on the cutter shaft usually, and each set of blades is made of two blades, between the set of blades by the cutter central spacer.Set of blades on two cutter shafts is interlaced, forms an intersecting area.Paper is entered between two cutter shafts by this intersecting area, by in relative rotation set of blades pulverizing.
Because the span of cutter shaft is longer, so after paper entered intersecting area, cutter shaft produced distortion unavoidably, namely two cutter shafts produce respectively distortion, to increase spacing between the two, hold paper.But if it is blocked up to enter the paper of shredder, the intersecting area that the set of blades on two cutter shafts forms will reduce, and in the cutter shaft middle part, situation is particularly evident especially.Along with paper is too much, the situation that this intersecting area disappears just might appear, and namely two cutter shafts can be strutted.If continue this moment to use shredder, will produce larger damage to shredder.
For avoiding problems to occur, main by strengthening the cutter shaft specification at present, satisfy minimum specification requirement for the machine tatter amount with thicker or stronger material, not only cost up but also effectiveness ideal not necessarily.
Application number in China's application: 200920059606.7 applyings date: 2009-07-01, denomination of invention are in the patent of " a kind of pulling buckle device of kneader bar ", disclose a kind of pulling buckle device that relates to kneader bar in the shredder product technical field.It comprises: rimmer knife axle, short sword axle, be separately fixed on the long and short cutter shaft and interlaced set of blades, in wherein being respectively arranged with drag hook and the groove that cooperatively interacts on one group of interlaced blade on the long and short cutter shaft.During the utility model work; when shredder begins shredded paper; the trend that long and short cutter shaft can oriented both sides struts after stressed because of cut paper; the groove on pull hook and another blade just forms the pulling buckle effect on the blade at this moment; the crossing amount of the set of blades on such two cutter shafts just can not reduce; two cutter shafts just can not strutted, thereby have effectively protected kneader bar to avoid damaging.This utility model is with respect to present shredder, and is safer, reliable.
But also there is following problem in above-mentioned patent:
At first: assembly difficulty is large, because the two adjacent groups set of blades is the face veneer after assembling.If blade phase veneer is provided with the high point of arc--drag hook coupler body 4, be the assembling mode that be difficult to realize tool setting after the normally used first assembling, referring to Fig. 1.Unless the set of blades with rimmer knife axle, short sword axle is assembled to set of blades 31 and the tool setting that is provided with drag hook first, then the drag hook card of packing into, reinstall and establish reeded set of blades 32, afterwards again according to the set of blades that fills first a rimmer knife axle, the order that refills adjacent short sword axle set of blades fills the set of blades of follow-up adjacent long and short cutter shaft, and the assembling of so reporting to the leadship after accomplishing a task just might realize.This assembly mode is wasted time and energy very much.
Then, because the drag hook coupler body is set in the annular groove of blade, there is the limited problem of using in possible compression.
The utility model content
The purpose of this utility model is in order to solve the problem of above-mentioned existence, a kind of knife pivot of paper crusher reinforcing mechanisms is provided, comprise two cutter shafts that be arranged in parallel and be separately fixed on two cutter shafts and interlaced set of blades, described each set of blades comprises two blades, wherein the blade of adjacent knife blades group is provided with reinforcing mechanisms, described reinforcing mechanisms comprises on the blade that is separately positioned on described adjacent knife blades group and mutual adaptive intensive aspect and accommodating body, and described intensive aspect is detachable is arranged on the described set of blades.The purpose that cutter shaft was not strutted when it can realize pulverizing plurality of sheets of paper, and simple in structure, and convenient processing and manufacture is convenient to assembling simultaneously.
The technical solution of the utility model is as follows:
A kind of knife pivot of paper crusher reinforcing mechanisms, comprise two cutter shafts that be arranged in parallel and be separately fixed on two cutter shafts and interlaced set of blades, described each set of blades comprises two blades, wherein the blade of adjacent knife blades group is provided with at least one group of reinforcing mechanisms, described reinforcing mechanisms comprises on the blade that is separately positioned on described adjacent knife blades group and mutual adaptive intensive aspect and accommodating body, and described intensive aspect is detachable is arranged on the described set of blades.
Preferably, the described basic circle circumference external diameter that the blade of reinforcing mechanisms is set is not less than the basic circle circumference external diameter of the blade that reinforcing mechanisms is not set.
Preferably, described intensive aspect is the pin assembly, and described accommodating body is annular groove.
Preferably, described pin assembly is installed on described wherein one group of set of blades in advance, and selects after set of blades assembling tool setting is finished and comprise slips, promote or crowded wherein a kind of mode of opening is embedded at it in annular groove of described adjacent knife blades group blade.
Preferably, described pin assembly is installed on the blade of described adjacent knife blades group by rotation and/or crowded evolution formula after set of blades assembling tool setting is finished.
Preferably, also be provided with the annular groove that allows described pin assembly to slide within it on the blade of the described set of blades that is equiped with the pin assembly.
Preferably, described pin assembly comprises the first pin and the second pin, and described the first pin and the second pin are embedded respectively in two blades of the described set of blades that is provided with intensive aspect, described the first pin be connected pin and connect by chock; Wherein
State before the set of blades assembling tool setting, described the first pin and the second pin are located in two blades of the set of blades that is provided with intensive aspect, state after set of blades assembling tool setting is finished, described the first pin and the second pin are embedded respectively in the annular groove of described adjacent knife blades group blade under described chock promotes.
Preferably, described pin assembly comprises pin and the screw that is connected with described pin, and described screw and pin all are installed in two blades of described set of blades before set of blades assembling tool setting, and
After set of blades assembling tool setting was finished, the described screw of turn promoted in the annular groove that described pin is embedded described adjacent knife blades group blade screw.
Preferably, described pin assembly comprises a ring-type bottom surface and a bayonet lock, and described bayonet lock is convexly set on the described ring-type bottom surface; Wherein
After set of blades assembling tool setting is finished, in the annular groove of the blade of the described adjacent knife blades group of first described bayonet lock being packed into, by rotation and crowded evolution formula packed in the annular groove of another set of blades blade adjacent with described blade in described ring-type bottom surface again.
Preferably, the described point of a knife maximum outside diameter that the blade of reinforcing mechanisms is not set is not less than the point of a knife maximum outside diameter of the blade that reinforcing mechanisms is set.
Compared with prior art, the beneficial effects of the utility model are as follows:
The purpose that cutter shaft was not strutted when the utility model can be realized pulverizing plurality of sheets of paper, and simple in structure, and convenient processing and manufacture is convenient to assembling simultaneously.
Description of drawings
Fig. 1 is the structural representation of the cutter shaft reinforcing mechanisms of prior art;
Fig. 2 is the position view of pin in blade before the utility model embodiment 1 assembling;
Fig. 3 is the position view of pin in blade after the utility model embodiment 1 assembling is finished;
Fig. 4 is the structural representation that the utility model embodiment 1 is provided with the blade of pin;
Fig. 5 is that the utility model embodiment 1 is provided with the blade of reinforcing mechanisms and the contrast schematic diagram of not establishing the blade of reinforcing mechanisms;
Fig. 6 is the position view of pin in blade before the utility model embodiment 2 assemblings;
Fig. 7 is the position view of pin in blade after the utility model embodiment 2 assemblings are finished;
Fig. 8 is the structural representation that the utility model embodiment 2 is provided with the blade of pin;
Fig. 9 is the structural representation that the utility model embodiment 3 is provided with the blade of pin;
Figure 10 and Figure 11 are the assembling process schematic diagram of the utility model embodiment 3 pins.
The specific embodiment
The below is further described the utility model with specific embodiment by reference to the accompanying drawings.
A kind of knife pivot of paper crusher reinforcing mechanisms, comprise two cutter shafts that be arranged in parallel and be separately fixed on two cutter shafts and interlaced set of blades, described each set of blades comprises two blades, wherein the blade of adjacent knife blades group is provided with reinforcing mechanisms, described reinforcing mechanisms comprises on the blade that is separately positioned on described adjacent knife blades group and mutual adaptive intensive aspect and accommodating body, and described intensive aspect is detachable is arranged on the described set of blades.In the present embodiment, described reinforcing mechanisms arranges one group, and is arranged on the middle part of described cutter shaft.During implementation, the quantity of described reinforcing mechanisms and position also can change, and do not do restriction herein.
Such as Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, in the present embodiment, described reinforcing mechanisms comprises and being separately positioned on the described adjacent knife blades group and mutual adaptive pin and groove, wherein on the first set of blades 1 pin is set, and pin is detachable to be connected on the first set of blades 1, and the annular groove adaptive with pin is set respectively on the second set of blades 2, the 3rd set of blades 3.Pin in the present embodiment comprises two parts that size shape is identical--pin 41 and pin 42, and correspondingly, two blades of the first set of blades 1 are provided with and pin 41 and 42 adaptive annular grooves 11,12; Be provided with chock 43 between the pin 41 and 42, chock 43 all is slidingly connected with pin 41 and 42.The first set of blades 1 position away from point of a knife on basic circle is provided with a through hole 13 perpendicular to described blade, and through hole 13 is communicated with annular groove 11 and 12, and all adaptive with pin 41 and 42; The first set of blades 1 is provided with through hole 13 along its blade radial position and communicates and vertical through hole 14, is used for accommodating chock 43.Be respectively equipped with on the second set of blades 2, the second set of blades 3 and pin 41,42 adaptive annular grooves 21,31.
In the present embodiment, the blade basic circle circumference external diameter that is provided with the first set of blades 1, the second set of blades 2 and the 3rd set of blades 3 of reinforcing mechanisms does not arrange the basic circle circumference external diameter of the blade of reinforcing mechanisms greater than other, it is identical that but the first set of blades 1, the second set of blades 2 and the 3rd set of blades 3 and other do not arrange the point of a knife maximum outside diameter of blade of reinforcing mechanisms, referring to Fig. 3.During implementation, the blade basic circle circumference external diameter that is provided with the set of blades of reinforcing mechanisms also can be identical with other basic circle circumference external diameter of blade that reinforcing mechanisms is not set, the point of a knife maximum outside diameter that is provided with the set of blades of reinforcing mechanisms also can be different from other point of a knife maximum outside diameter of blade that reinforcing mechanisms is not set, and do not do restriction herein.
Assembly method and the method for operating of reinforcing mechanisms in the present embodiment are described below in conjunction with Fig. 4 and Fig. 5.
The assembly method of the present embodiment reinforcing mechanisms is as follows: the first set of blades 1 is before assembling, first pin 41 and 42 is packed in the through hole 13, and pack into chock 43 in the through hole 14 and be slidingly connected with pin 41 and 42, this moment, its narrow end was set to contact with 42 with pin 41, and its wide end is exposed to outside the basic circle outer circumference surface of the first set of blades 1; Carry out assembling and the tool setting of blade on cutter shaft such as common method therefor afterwards; After tool setting is finished, regulate the position of the first set of blades 1 and the second set of blades 2, the 3rd set of blades 3 by rotating cutter shaft, make pin 41,42 and annular groove 21,31 to Fig. 4 described in the position; Chock 43 is radially inwardly pushed in the through hole 14 along the first set of blades 1, and then its wide end can be pushed pin 41,42 open, and pin 41,42 is laid respectively in the annular groove 11,12, has just finished assembling, sees Fig. 5.When shredder is opened shredded paper, be positioned at the reinforcing mechanisms of cutter shaft-- pin 41,42 can along with the rotation of blade in annular groove 11,12 and 21,31 slips, can make them be positioned at all the time the intersecting area of two blades, play the reinforcement cutter shaft, make cutter shaft be difficult for the effect that is strutted.
A kind of knife pivot of paper crusher reinforcing mechanisms, comprise two cutter shafts that be arranged in parallel and be separately fixed on two cutter shafts and interlaced set of blades, described each set of blades comprises two blades, wherein the blade of adjacent knife blades group is provided with reinforcing mechanisms, described reinforcing mechanisms comprises on the blade that is separately positioned on described adjacent knife blades group and mutual adaptive intensive aspect and accommodating body, and described intensive aspect is detachable is arranged on the described set of blades.In the present embodiment, described reinforcing mechanisms arranges two groups, the set of blades in described two groups of reinforcing mechanisms intervals, and all be arranged on the middle part of described cutter shaft.During implementation, the quantity of described reinforcing mechanisms and position also can change, and do not do restriction herein.Below will be described as an example of one group of reinforcing mechanisms wherein example.
Such as Fig. 6, Fig. 7 and shown in Figure 8, in the present embodiment, described reinforcing mechanisms comprises and being separately positioned on the first adjacent set of blades 5 and the second set of blades 6 and mutual adaptive pin and groove, wherein on the first set of blades 5 pin 7 is set, be provided with in addition screw 8, pin 7 is connected with screw 8 and detachable being arranged on the first set of blades 5, and the annular groove 61 adaptive with pin 7 is set on the second set of blades 6.Accordingly, one of them blade of the first set of blades 5 is provided with the annular groove 51 adaptive with pin 7, and the first set of blades 5 is provided with the through hole 52 of an accommodating pin 7 and screw 8 perpendicular to annular groove 51, and through hole 52 is communicated with annular groove 51.During implementation, pin and screw also can be set to parts, and screw also can not arrange screw terminal and do not protrude from the set of blades surface when packing into, and above-mentioned various equivalents are also in the utility model protection domain.
In the present embodiment, be provided with the first set of blades 5 of reinforcing mechanisms, the blade basic circle circumference external diameter of the second set of blades 6 does not arrange the blade basic circle circumference external diameter of reinforcing mechanisms greater than other, but the first set of blades 5, the second set of blades 6 are identical with the point of a knife maximum outside diameter of blade that other does not arrange reinforcing mechanisms.In the present embodiment, the blade basic circle circumference external diameter of set of blades of a side contacts that is provided with screw with set of blades 5 is less than the basic circle circumference external diameter of the first set of blades 5 and the second set of blades 6, and referring to Fig. 7 and Fig. 8, the assembling of screw is convenient in such setting.During implementation, the blade basic circle circumference external diameter that is provided with the set of blades of reinforcing mechanisms also can be identical with other basic circle circumference external diameter of blade that reinforcing mechanisms is not set, the point of a knife maximum outside diameter that is provided with the set of blades of reinforcing mechanisms also can be different from other point of a knife maximum outside diameter of blade that reinforcing mechanisms is not set, and do not do restriction herein.
Assembly method and the method for operating of reinforcing mechanisms in the present embodiment are described below in conjunction with Fig. 7 and Fig. 8.
The assembly method of the present embodiment reinforcing mechanisms is as follows: the first set of blades 5 is before assembling, in the through hole 52 of first pin 7 being packed into, and with screw 8 position among pin 7 outsides such as Fig. 7 of packing into; As usually afterwards carry out assembling and the tool setting of blade on cutter shaft; After tool setting is finished, regulate the position of the first set of blades 5 and the second set of blades 6 by rotating cutter shaft, make pin 7 and position described in the annular groove 61 to Fig. 7; Screw 8 is inwardly screwed in along through hole 52, and then pin 7 is pushed in the annular groove 61, such as Fig. 8, has so just finished assembling.When shredder is opened shredded paper, be positioned at the reinforcing mechanisms of cutter shaft--pin 7 can along with the rotation of blade in annular groove 51 and 61 slips, can make them be positioned at all the time the intersecting area of two blades, play the reinforcement cutter shaft, make cutter shaft be difficult for the effect that is strutted.
A kind of knife pivot of paper crusher reinforcing mechanisms, comprise two cutter shafts that be arranged in parallel and be separately fixed on two cutter shafts and interlaced set of blades, described each set of blades comprises two blades, wherein the blade of adjacent knife blades group is provided with reinforcing mechanisms, described reinforcing mechanisms comprises on the blade that is separately positioned on described adjacent knife blades group and mutual adaptive intensive aspect and accommodating body, and described intensive aspect is detachable is arranged on the described set of blades., in the present embodiment, described reinforcing mechanisms arranges two groups, and described two groups of reinforcing mechanisms are arranged on the adjacent set of blades in described cutter shaft middle part.During implementation, the quantity of described reinforcing mechanisms and position also can change, and do not do restriction herein.Below will be described as an example of one group of reinforcing mechanisms wherein example.
Such as Fig. 9, Figure 10 and shown in Figure 11, in the present embodiment, described reinforcing mechanisms comprises and being separately positioned on the first adjacent set of blades 9 and the second set of blades 10 and mutual adaptive pin and groove, wherein on the first set of blades 9 pin 15 is set, the annular groove 101 adaptive with pin 15 is set, pin 15 detachable being arranged on the set of blades 9 on the second set of blades 10.Accordingly, one of them blade of the first set of blades 9 is provided with the annular groove 91 adaptive with pin 15.In the present embodiment, pin 15 comprises an annular bottom surface, is semicircular ring bottom surface 151 herein, and is arranged on the bayonet lock 152 in the middle of the top, semicircular ring bottom surface, sees Fig. 9 for details.During implementation, described annular bottom surface also can be set to full circle ring, 3/4 annulus etc., and described various these type of equivalents are also in the utility model protection domain.
In the present embodiment, be provided with the first set of blades 9 of reinforcing mechanisms, the blade basic circle circumference external diameter of the second set of blades 10 does not arrange the blade basic circle circumference external diameter of reinforcing mechanisms greater than other, and is identical but the first set of blades 9 and the second set of blades 10 and other do not arrange the point of a knife maximum outside diameter of blade of reinforcing mechanisms.During implementation, the blade basic circle circumference external diameter that is provided with the set of blades of reinforcing mechanisms also can be identical with other basic circle circumference external diameter of blade that reinforcing mechanisms is not set, the point of a knife maximum outside diameter that is provided with the set of blades of reinforcing mechanisms also can be different from other point of a knife maximum outside diameter of blade that reinforcing mechanisms is not set, and do not do restriction herein.
Assembly method and the method for operating of reinforcing mechanisms in the present embodiment are described below in conjunction with Figure 10 and Figure 11.
The assembly method of the present embodiment reinforcing mechanisms is as follows: as usually be loaded on set of blades on the cutter shaft and finish tool setting, then pin is packed into, be specially: at first the bayonet lock 152 with pin 15 inserts in the annular groove 101 of the second set of blades 10 in the orientation as shown in figure 10, again along the direction rotation of annular groove 101 to the first set of blades 9, during through the contact-making surface of the first set of blades 9 and the second set of blades 10, the gap that slightly crowded semicircular ring bottom surface 151 of opening two set of blades formation tolerable pin 15 is passed through, 151 rotations of semicircular ring bottom surface are put into the annular groove 91 of the first set of blades 9, namely finish the assembling of pin 15.When shredder is opened shredded paper, the semicircular ring bottom surface 151 of pin 15 can along with the rotation of blade in annular groove 91 interior slips, its bayonet lock 152 is remained in the annular groove 101 of set of blades 10, thereby reinforcing mechanisms is positioned at the intersecting area of two blades all the time, play the reinforcement cutter shaft, make cutter shaft be difficult for the effect that is strutted.
The utility model preferred embodiment disclosed herein just is used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is the described specific embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain better principle of the present utility model and practical application, thereby makes one of ordinary skill in the art can utilize well the utility model.The utility model only is subjected to the restriction of claims and four corner and equivalent.
Claims (10)
1. knife pivot of paper crusher reinforcing mechanisms, comprise two cutter shafts that be arranged in parallel and be separately fixed on two cutter shafts and interlaced set of blades, described each set of blades comprises two blades, it is characterized in that, wherein the blade of adjacent knife blades group is provided with at least one group of reinforcing mechanisms, described reinforcing mechanisms comprises on the blade that is separately positioned on described adjacent knife blades group and mutual adaptive intensive aspect and accommodating body, and described intensive aspect is detachable is arranged on the described set of blades.
2. knife pivot of paper crusher reinforcing mechanisms according to claim 1 is characterized in that, the described basic circle circumference external diameter that the blade of reinforcing mechanisms is set is not less than the basic circle circumference external diameter of the blade that reinforcing mechanisms is not set.
3. knife pivot of paper crusher reinforcing mechanisms according to claim 1 is characterized in that, described intensive aspect is the pin assembly, and described accommodating body is annular groove.
4. knife pivot of paper crusher reinforcing mechanisms according to claim 3, it is characterized in that, described pin assembly is installed on described wherein one group of set of blades in advance, and selects after set of blades assembling tool setting is finished and comprise slips, promote or crowded wherein a kind of mode of opening is embedded at it in annular groove of described adjacent knife blades group blade.
5. knife pivot of paper crusher reinforcing mechanisms according to claim 3 is characterized in that, described pin assembly is installed on the blade of described adjacent knife blades group by rotation and/or crowded evolution formula after set of blades assembling tool setting is finished.
6. according to claim 4 or 5 described knife pivot of paper crusher reinforcing mechanisms, it is characterized in that, also be provided with the annular groove that allows described pin assembly to slide within it on the blade of the described set of blades that is equiped with the pin assembly.
7. knife pivot of paper crusher reinforcing mechanisms according to claim 4, it is characterized in that, described pin assembly comprises the first pin and the second pin, described the first pin and the second pin are embedded respectively in two blades of the described set of blades that is provided with intensive aspect, described the first pin be connected pin and connect by chock; Wherein
State before the set of blades assembling tool setting, described the first pin and the second pin are located in two blades of the set of blades that is provided with intensive aspect, state after set of blades assembling tool setting is finished, described the first pin and the second pin are embedded respectively in the annular groove of described adjacent knife blades group blade under described chock promotes.
8. knife pivot of paper crusher reinforcing mechanisms according to claim 4, it is characterized in that, described pin assembly comprises pin and the screw that is connected with described pin, and described screw and pin all are installed in two blades of described set of blades before set of blades assembling tool setting, and
After set of blades assembling tool setting was finished, the described screw of turn promoted in the annular groove that described pin is embedded described adjacent knife blades group blade screw.
9. knife pivot of paper crusher reinforcing mechanisms according to claim 5 is characterized in that, described pin assembly comprises a ring-type bottom surface and a bayonet lock, and described bayonet lock is convexly set on the described ring-type bottom surface; Wherein
After set of blades assembling tool setting is finished, in the annular groove of the blade of the described adjacent knife blades group of first described bayonet lock being packed into, by rotation and crowded evolution formula packed in the annular groove of another set of blades blade adjacent with described blade in described ring-type bottom surface again.
10. knife pivot of paper crusher reinforcing mechanisms according to claim 1 is characterized in that, the described point of a knife maximum outside diameter that the blade of reinforcing mechanisms is not set is not less than the point of a knife maximum outside diameter of the blade that reinforcing mechanisms is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197000 CN202655088U (en) | 2012-05-04 | 2012-05-04 | Cutter shaft strengthening mechanism of paper shredder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220197000 CN202655088U (en) | 2012-05-04 | 2012-05-04 | Cutter shaft strengthening mechanism of paper shredder |
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| Publication Number | Publication Date |
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| CN202655088U true CN202655088U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220197000 Expired - Lifetime CN202655088U (en) | 2012-05-04 | 2012-05-04 | Cutter shaft strengthening mechanism of paper shredder |
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| CN (1) | CN202655088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847595A (en) * | 2012-05-04 | 2013-01-02 | 上海震旦办公设备有限公司 | Paper shredder cutter shaft strengthening mechanism |
-
2012
- 2012-05-04 CN CN 201220197000 patent/CN202655088U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847595A (en) * | 2012-05-04 | 2013-01-02 | 上海震旦办公设备有限公司 | Paper shredder cutter shaft strengthening mechanism |
| CN102847595B (en) * | 2012-05-04 | 2014-07-23 | 上海震旦办公设备有限公司 | Paper shredder cutter shaft strengthening mechanism |
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Granted publication date: 20130109 |