CN114904614A - Small-size paper shredding equipment for office - Google Patents

Small-size paper shredding equipment for office Download PDF

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Publication number
CN114904614A
CN114904614A CN202210556548.9A CN202210556548A CN114904614A CN 114904614 A CN114904614 A CN 114904614A CN 202210556548 A CN202210556548 A CN 202210556548A CN 114904614 A CN114904614 A CN 114904614A
Authority
CN
China
Prior art keywords
paper
wheel
fixed
office
paper shredding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202210556548.9A
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Chinese (zh)
Inventor
葛媛媛
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Yancheng Teachers University
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Yancheng Teachers University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yancheng Teachers University filed Critical Yancheng Teachers University
Priority to CN202210556548.9A priority Critical patent/CN114904614A/en
Publication of CN114904614A publication Critical patent/CN114904614A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
    • B02C18/04—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention discloses a paper shredding device for a small office, which comprises: an outer housing; the conveying plate frame is obliquely arranged on one side of the upper end face of the outer shell, and a guide cavity is transversely arranged on the upper end face of the outer shell; the fixed inner wheel is symmetrically arranged on one side of the guide cavity in a relatively rotating way and is positioned below the transmission plate frame; the built-in paper shredding device is arranged at one end of the guide cavity in the outer shell; the thickness measuring and page shifting assembly is arranged in the middle of the guide cavity and can measure the thickness of the office paper conveyed in the guide cavity and reversely transmit and shift the pages after the office paper stacking thickness height is set to a preset value; the paper shredding wheel body is arranged in the outer shell in a relatively rotating manner; and the collecting box is detachably arranged on the outer casing and is positioned below the paper shredding wheel body.

Description

Small-size shredded paper equipment for office
Technical Field
The invention belongs to the technical field of office supplies, and particularly relates to a paper shredding device for a small office.
Background
At present, according to the composition mode of a paper shredding knife, the existing paper shredding mode comprises the following steps: the paper shredder comprises a paper shredder body, a paper shredder, a paper feeding device, a paper discharging device and a paper discharging device.
Accordingly, those skilled in the art have provided a small office shredder apparatus to solve the problems set forth in the background art described above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a small office shredder apparatus, comprising:
an outer housing;
the conveying plate frame is obliquely arranged on one side of the upper end face of the outer shell, and a guide cavity is transversely arranged on the upper end face of the outer shell;
the fixed inner wheel is symmetrically arranged on one side of the guide cavity in a relatively rotating way and is positioned below the transmission plate frame;
the built-in paper shredding device is arranged at one end, located in the guide cavity, of the outer shell and can be used for primarily crushing office paper sheets, so that the office paper sheets can be cut into strips and shredded;
the thickness measuring and page shifting assembly is arranged in the middle of the guide cavity and can measure the thickness of the office paper conveyed in the guide cavity and reversely transmit and shift the pages after the office paper stacking thickness height is set to a preset value;
the paper shredding wheel body is arranged in the outer casing in a relatively rotating manner, and can circumferentially wind the preliminarily crushed office paper sheets on the surface of the paper shredding wheel body and crush the office paper sheets for the second time; and
the collecting box is detachably arranged on the outer casing and is positioned below the paper shredding wheel body.
Further, preferably, the built-in shredder includes:
the mounting racks are symmetrically arranged in the outer shell;
the crushing wheels are arranged on the mounting frames in a relatively rotating manner, the crushing wheels are in meshing transmission through transmission teeth, a built-in motor is arranged in the outer shell, and the output end of the built-in motor is in meshing transmission with one transmission tooth through a gear meshing effect;
a transfer chamber configured in an inverted L-shaped configuration, one end of the transfer chamber being disposed between the crushing wheels; and
and the guide roller is rotatably arranged in the transfer cavity and is positioned below the crushing wheel.
Further, as a preferred option, the thickness measuring and page-shifting assembly includes:
the transmission bottom wheel is embedded in the outer shell in a rotating manner;
the inner fixing frame is obliquely arranged in the outer shell in a relatively deflecting way, and a pressing wheel is rotatably arranged on the inner fixing frame;
the upper connecting frame is vertically fixed in the outer shell, and a contact pressing piece is connected below the upper connecting frame through a plurality of supporting springs;
the abutting piece is arranged corresponding to the touch pressing piece and is vertically arranged on the inner fixing frame and positioned above the pressing wheel; and
the page shifting device is arranged in the guide cavity and positioned on one side of the inner fixing frame.
Further, preferably, the page turning device includes:
the connecting seat is transversely erected in the outer shell;
the rotating disc is arranged on the connecting seat in a relatively rotating manner;
the fixed bottom liner is embedded and fixed in the outer shell and positioned below the connecting seat;
the upper connecting lining is rotatably connected to the rotating disc, and silica gel cushions are arranged on the upper connecting lining and the fixed bottom lining; and
the sealing cavity part is obliquely fixed on the connecting seat, a plunger rod is arranged in the sealing cavity part in a sliding mode, one end of the plunger rod is connected with an outer spring, and one end of the outer spring is connected to the upper connecting lining.
Further, as preferred, one end of the sealed cavity piece is connected with an external connecting pipe, and one end of the external connecting pipe is communicated with an external air pump.
Further, preferably, the method further comprises:
the guide rod is transversely arranged in the outer shell;
the driving inner disc is arranged above the guide rod in the outer shell in a relatively rotating mode, a support rod body is connected to the driving inner disc, and the support rod body is connected with the connecting seat through a compression spring.
Further, preferably, the shredder wheel body includes:
the left rotating wheel and the right rotating wheel are rotatably arranged in the outer shell, a plurality of limiting rods are symmetrically fixed on the left rotating wheel, and each limiting rod is connected to the right rotating wheel in a transverse sliding and penetrating manner;
the fixed rollers are arranged in a circumferential array mode and are transversely fixed on the left rotating wheel and the right rotating wheel;
the outer fixing disc is coaxially arranged on one side of the right rotating wheel, and one end of the limiting rod is fixed on the outer fixing disc;
the fine adjustment telescopic rods are transversely and symmetrically connected between the outer fixed disc and the right rotating wheel; and
and the dividing pieces are arranged in a plurality of rows, and each dividing piece is arranged on the fixed roller.
Preferably, the fixed rollers on the left and right rotating wheels are arranged at intervals, and the dividing pieces on the same circumference are arranged in a straight line.
Compared with the prior art, the invention has the beneficial effects that:
1. the built-in paper shredding device and the paper shredding wheel body are arranged in the paper shredding machine, and can perform secondary paper shredding on office paper, so that the phenomenon of paper jam adhesion caused by paper shredding in a single time is avoided, and the failure rate is low;
2. the thickness measuring and page shifting assembly is arranged in front of the built-in paper shredding device, can perform thickness detection in office paper page transmission and performs reverse transmission page shifting when the paper page thickness is too large, so that paper jamming is effectively avoided;
drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a built-in paper shredder according to the present invention;
FIG. 3 is a schematic structural diagram of a thickness measuring page shifting assembly according to the present invention;
FIG. 4 is a schematic structural diagram of a page turning device according to the present invention;
FIG. 5 is a schematic view of a shredder wheel body according to the present invention;
in the figure: the automatic paper shredding machine comprises an outer machine shell 1, a transmission plate frame 11, a fixed inner wheel 12, a collecting box 13, a built-in paper shredding device 3, a mounting frame 31, a crushing wheel 32, a transfer cavity 33, a guide roller 34, a thickness measuring leaf pulling assembly 4, a transmission bottom wheel 41, an inner fixing frame 42, an upper connecting frame 43, a contact pressing piece 44, a support spring 45, a paper shredding wheel body 5, a left rotating wheel 51, a right rotating wheel 52, a limiting rod 53, a fixed roller 54, an outer fixed disk 55, a fine adjusting telescopic rod 56, a partition 57, a leaf pulling device 6, a leaf pulling device 61 connecting seat 62, a rotating disk 63, an upper connecting lining 64, a fixed bottom lining 64, a silica gel cushion 65, a plunger rod 66, a sealed cavity part 67, a guide rod 68 and a driving inner disk 69.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a paper shredding apparatus for a small office includes:
an outer case 1;
the conveying plate frame 11 is obliquely arranged on one side of the upper end face of the outer casing 1, and a guide cavity is transversely arranged on the upper end face of the outer casing 1;
the fixed inner wheel 12 is symmetrically arranged on one side of the guide cavity in a relatively rotating way and is positioned below the transmission plate frame 11;
the built-in paper shredding device 3 is arranged at one end, located in the guide cavity, of the outer machine shell 1, and can be used for preliminarily crushing office paper sheets so that the office paper sheets can be cut and shredded in a strip shape;
the thickness measuring and page shifting assembly 4 is arranged in the middle of the guide cavity, and the thickness measuring and page shifting assembly 4 can measure the thickness of the office paper conveyed in the guide cavity and reversely transmit and shift pages after the stacking thickness height of the office paper is set to a preset value;
the paper shredding wheel body 5 is arranged in the outer casing 1 in a relatively rotating mode, and the paper shredding wheel body 5 can wind the preliminarily crushed office paper on the circumference of the surface of the paper shredding wheel body and crush the preliminarily crushed office paper for the second time; and
collecting box 13, detachable installs outer casing 1 is last to be located shredded paper wheel body 5 below, wherein, built-in shredded paper device can be preferentially carried out transversely to the official working paper page and shredded paper wheel body then tears vertically, thereby forms same big or small garrulous form waste paper, thereby effectively reduces card paper phenomenon probability, and the waste paper recovery degree of difficulty is big simultaneously, and the security is strong.
In this embodiment, the built-in shredder 3 includes:
the mounting frames 31 are symmetrically arranged in the outer machine shell 1;
the crushing wheels 32 are arranged on the mounting frames 31 in a relatively rotating manner, the crushing wheels 32 are in meshing transmission through transmission teeth, a built-in motor (not shown in the figure) is arranged in the outer shell 1, and the output end of the built-in motor is in meshing transmission with one transmission tooth through a gear meshing effect;
a transfer chamber 33 configured in an inverted L-shaped configuration, one end of said transfer chamber 33 being arranged between the crushing wheels 32; that is, the crushing wheels can be internally pressed for conveying the office sheets to the transfer chamber, and the preliminarily crushed office sheets are conveyed to the transfer chamber, an
Guide rollers 34 rotatably disposed in the transfer chamber 33 below the crushing wheel 32.
As a preferred embodiment, the thickness measuring and page-shifting assembly 4 includes:
a transmission bottom wheel 41 which is embedded in the outer casing 1 in a rotating way;
the inner fixing frame 42 is obliquely arranged in the outer machine shell 1 in a relatively deflecting way, and a pressing wheel is rotatably arranged on the inner fixing frame 42;
an upper connecting frame 43 vertically fixed in the outer casing 1, a contact pressing member 44 connected to the lower part of the upper connecting frame 43 through a plurality of supporting springs 45; the pressing wheel can tightly abut against the transmission bottom wheel through the elastic force of the supporting spring so as to realize transmission clamping of office paper;
the abutting piece is arranged corresponding to the touch pressing piece 44 and is vertically arranged on the inner fixing frame 42 and positioned above the pressing wheel; and
the page shifting device 6 is arranged on one side, located on the inner fixing frame 42, of the guide conveying cavity, office paper single-time shredded paper transmission thickness is preferably set, and when office paper of different specifications is smashed, the problem of paper quantity can be effectively avoided, and reverse shifting transmission can be achieved through the page shifting device when the paper thickness is too much.
In this embodiment, the page turning device 6 includes:
a connecting seat 61 transversely arranged in the outer casing 1;
a rotating disc 62 which is relatively rotatably arranged on the connecting seat 61;
the fixed bottom liner 64 is embedded and fixed in the outer machine shell 1 and is positioned below the connecting seat 61;
the upper connecting lining 63 is rotatably connected to the rotating disc 62, and silica gel cushions 65 are arranged on the upper connecting lining 63 and the fixed bottom lining 64; the rotating disc can reversely transmit the office paper through the silica gel cushion on the fixed bottom liner under continuous clockwise rotation; it is also possible to perform the forward conveyance by rotating counterclockwise particularly when a sheet residual jam occurs in the built-in shredder, and
and the sealing cavity 67 is obliquely fixed on the connecting seat 61, a plunger rod 66 is arranged in the sealing cavity 67 in a sliding manner, one end of the plunger rod 66 is connected with an outer spring, and one end of the outer spring is connected to the upper connecting lining 63.
In this embodiment, one end of the sealed cavity 67 is connected with an external connection pipe, and one end of the external connection pipe is communicated with an external air pump (not shown in the figure), wherein the external air pump supplies air to drive the plunger rod to perform displacement sliding, so that the contact height of the lower paper sheet of the upper connection liner is effectively controlled, and the single page shifting amount is adjusted.
In this embodiment, the method further includes:
a guide bar 68 disposed laterally within the outer case 1;
the drive inner disc 69 is arranged above the guide rod 68 in the outer casing in a relatively rotating mode, a support rod body is connected to the drive inner disc 69, the support rod body is connected with the connecting seat through a compression spring, and particularly, the drive inner disc can drive the upper connecting lining to perform high-frequency transverse reciprocating displacement under the rotating action, so that office paper sheets adhered together can be separated in a shaking mode in the page shifting mode.
In a preferred embodiment, the shredder wheel body 5 comprises:
the left rotating wheel 51 and the right rotating wheel 52 are rotatably arranged in the outer shell 1, a plurality of limiting rods 53 are symmetrically fixed on the left rotating wheel 51, and each limiting rod 53 is transversely connected to the right rotating wheel 52 in a sliding and penetrating manner;
a plurality of fixed rollers 54 arranged in a circumferential array, each fixed roller 54 being transversely fixed to the left wheel 51 and the right wheel 52;
the outer fixed disc 55 is coaxially arranged on one side of the right rotating wheel 52, and one end of the limiting rod 53 is fixed on the outer fixed disc 55;
the fine adjustment telescopic rods 56 are transversely and symmetrically connected between the outer fixed disc 55 and the right rotating wheel 52; and
the segmentation 57, for arranging a plurality of that set up, each segmentation 57 all sets up on the fixed roll 54, that is to say, when the official working page is accomplished and is tentatively torn and twine and establish when the fixed roll, makes left runner and right runner reverse separation relatively through the horizontal flexible drive of fine setting telescopic link this moment, and the segmentation on each fixed roll can correspond and vertically tear up the official working page, and crushing effect is strong.
In this embodiment, the fixed rollers 54 on the left and right pulleys 51 and 52 are alternately arranged, and the dividing members 57 on the same circumference are linearly arranged.
Specifically, the official working paper page can directly stack to the transmission grillage, and fixed this moment in the wheel can be with its internal transmission to leading send the chamber, and the page thickness measurement is dialled page subassembly and is carried out the paper thickness measurement in step to the thickness measurement, and shredded paper wheel body can transversely tear, and then shredded paper wheel body then vertically tears to realize shredded paper work.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.

Claims (8)

1. The utility model provides a small-size office uses shredded paper equipment which characterized in that: it includes:
an outer case (1);
the conveying plate frame (11) is obliquely arranged on one side of the upper end face of the outer machine shell (1), and a guide cavity is transversely arranged on the upper end face of the outer machine shell (1);
the fixed inner wheel (12) is symmetrically arranged on one side of the guide cavity in a relatively rotating way and is positioned below the transmission plate frame (11);
the built-in paper shredding device (3) is arranged at one end, located in the guide cavity, of the outer machine shell (1), and the built-in paper shredding device (3) can be used for primarily crushing office paper, so that the office paper can be cut and shredded in a strip shape;
the thickness measuring and page shifting assembly (4) is arranged in the middle of the guide cavity, the thickness measuring and page shifting assembly (4) can measure the thickness of the office paper conveyed in the guide cavity, and reverse transmission page shifting is carried out after the stacking thickness height of the office paper is set to a preset value;
the paper shredding wheel body (5) is arranged in the outer shell (1) in a relatively rotating mode, and the paper shredding wheel body (5) can wind the preliminarily crushed office paper on the surface of the paper shredding wheel body in a circumferential mode and crush the preliminarily crushed office paper for the second time; and
and the collecting box (13) is detachably arranged on the outer machine shell (1) and is positioned below the paper shredding wheel body (5).
2. A small office shredder apparatus according to claim 1 wherein: the built-in paper shredding device (3) comprises:
the mounting frames (31) are symmetrically arranged in the outer machine shell (1);
the crushing wheels (32) are arranged on the mounting frames (31) in a relatively rotating mode, the crushing wheels (32) are in meshing transmission through transmission teeth, a built-in motor is arranged in the outer machine shell (1), and the output end of the built-in motor is in meshing transmission with one transmission tooth through a gear meshing effect;
a transfer chamber (33) configured in an inverted L-shaped configuration, one end of the transfer chamber (33) being disposed between the crushing wheels (32); and
guide rollers (34) rotatably arranged in the transfer chamber (33) below the crushing wheel (32).
3. A small office shredder apparatus according to claim 1 wherein: the thickness measuring page-shifting assembly (4) comprises:
the transmission bottom wheel (41) is embedded in the outer shell (1) in a rotating manner;
the inner fixing frame (42) is obliquely arranged in the outer shell (1) in a relatively deflecting way, and a pressing wheel is rotatably arranged on the inner fixing frame (42);
the upper connecting frame (43) is vertically fixed in the outer machine shell (1), and a contact pressing piece (44) is connected below the upper connecting frame (43) through a plurality of supporting springs (45);
the abutting piece is arranged corresponding to the contact piece (44), and is vertically arranged on the inner fixing frame (42) and positioned above the pressing wheel; and
the page shifting device (6) is arranged in the guide cavity and is positioned on one side of the inner fixing frame (42).
4. A small office shredder apparatus according to claim 3 wherein: the page-dialing device (6) comprises:
the connecting seat (61) is transversely erected in the outer shell (1);
the rotating disc (62) is arranged on the connecting seat (61) in a relatively rotating mode;
the fixed bottom liner (64) is embedded and fixed in the outer shell (1) and is positioned below the connecting seat (61);
the upper connecting lining (63) is rotatably connected to the rotating disc (62), and silica gel cushions (65) are arranged on the upper connecting lining (63) and the fixed bottom lining (64); and
the sealing cavity part (67) is obliquely fixed on the connecting seat (61), a plunger rod (66) is arranged in the sealing cavity part (67) in a sliding mode, one end of the plunger rod (66) is connected with an outer spring, and one end of the outer spring is connected to the upper connecting lining (63).
5. A small office shredder according to claim 4 wherein: one end of the sealed cavity piece (67) is connected with an external connecting pipe, and one end of the external connecting pipe is communicated with an external air pump.
6. A small office shredder according to claim 4 wherein: further comprising:
a guide bar (68) arranged transversely within the outer casing (1);
the driving inner disc (69) is arranged above the guide rod (68) in the outer shell in a relatively rotating mode, a support rod body is connected to the driving inner disc (69), and the support rod body is connected with the connecting seat (61) through a compression spring.
7. A small office shredder apparatus according to claim 1 wherein: the shredder wheel body (5) comprises:
the left rotating wheel (51) and the right rotating wheel (52) are rotatably arranged in the outer shell (1), a plurality of limiting rods (53) are symmetrically fixed on the left rotating wheel (51), and each limiting rod (53) is transversely connected to the right rotating wheel (52) in a sliding and penetrating manner;
a plurality of fixed rollers (54) are arranged in a circumferential array, and each fixed roller (54) is transversely fixed on the left rotating wheel (51) and the right rotating wheel (52);
the outer fixed disc (55) is coaxially arranged on one side of the right rotating wheel (52), and one end of the limiting rod (53) is fixed on the outer fixed disc (55);
the fine adjustment telescopic rods (56) are transversely and symmetrically connected between the outer fixed disc (55) and the right rotating wheel (52); and
and a plurality of dividing members (57) arranged in a row, each of the dividing members (57) being provided on the fixing roller (54).
8. A small office shredder apparatus according to claim 7 wherein: the fixed rollers (54) on the left rotating wheel (51) and the right rotating wheel (52) are distributed at intervals, and the dividing pieces (57) on the same circumference are distributed linearly.
CN202210556548.9A 2022-05-17 2022-05-17 Small-size paper shredding equipment for office Withdrawn CN114904614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210556548.9A CN114904614A (en) 2022-05-17 2022-05-17 Small-size paper shredding equipment for office

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210556548.9A CN114904614A (en) 2022-05-17 2022-05-17 Small-size paper shredding equipment for office

Publications (1)

Publication Number Publication Date
CN114904614A true CN114904614A (en) 2022-08-16

Family

ID=82768349

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210556548.9A Withdrawn CN114904614A (en) 2022-05-17 2022-05-17 Small-size paper shredding equipment for office

Country Status (1)

Country Link
CN (1) CN114904614A (en)

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Application publication date: 20220816

WW01 Invention patent application withdrawn after publication