CN211054805U - Eraser convenient for removing scraps - Google Patents
Eraser convenient for removing scraps Download PDFInfo
- Publication number
- CN211054805U CN211054805U CN201921457752.5U CN201921457752U CN211054805U CN 211054805 U CN211054805 U CN 211054805U CN 201921457752 U CN201921457752 U CN 201921457752U CN 211054805 U CN211054805 U CN 211054805U
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- Prior art keywords
- eraser
- scrap
- magnet roller
- shell
- rotating brush
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- 239000002699 waste material Substances 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 4
- 210000004209 hair Anatomy 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010408 sweeping Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an eraser convenient for removing scraps, which comprises an eraser body arranged at the first end of a shell, a magnet roller rotatably arranged at the second end of the shell, and a rotating brush rotatably arranged in the shell; a waste chip storage cavity is arranged in the shell, and a waste chip dumping opening is formed in the waste chip storage cavity; the eraser body is doped with a substance which can be attracted by the magnet roller; the magnet roller is parallel to the axis of the rotating brush, and the magnet roller and the rotating brush are linked and rotate in opposite directions; a first scrap shovel is arranged between the magnet roller and the rotating brush, the end part of the first scrap shovel points to the direction opposite to the rotating direction of the magnet roller and is attached to the surface of the magnet roller, and scraps attracted by the magnet roller under the first scrap shovel are brushed into a scrap storage cavity by the rotating brush; the second scrap shovel is arranged in the scrap storage cavity, and the brush bristles are beaten at the end part of the second scrap shovel after passing through the first scrap shovel and the scrap storage cavity. The utility model has the advantages that: can conveniently remove the eraser scraps, and is clean and sanitary.
Description
Technical Field
The utility model relates to a stationery field, concretely relates to eraser convenient to remove bits.
Background
The eraser is a common stationery, is mainly used for erasing pencil words, and can generate eraser scraps in the process of erasing the pencil words by the eraser.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the technical problem that the scraps of the eraser in the prior art are inconvenient to remove is solved.
The utility model discloses a realize solving above-mentioned technical problem through following technical means: an eraser convenient for removing scraps comprises a shell, an eraser body arranged at the first end of the shell, a magnet roller which is rotatably arranged at the second end of the shell and is exposed from the second end, and a rotating brush which is rotatably arranged in the shell;
A waste chip storage cavity is arranged in the shell, and a waste chip dumping opening is formed in the waste chip storage cavity;
The eraser body is doped with a substance capable of being attracted by the magnet roller;
The magnet roller is parallel to the axis of the rotating brush, the magnet roller and the rotating brush are linked and rotate in opposite directions, and the bristles of the rotating brush can sweep the surface of the magnet roller;
A first scrap shovel is arranged between the magnet roller and the rotary brush, the end part of the first scrap shovel points to the direction opposite to the rotation direction of the magnet roller and is attached to the surface of the magnet roller, and scraps attracted by the magnet roller under the first scrap shovel are brushed into a scrap storage cavity by the rotary brush;
The second scrap shovel is arranged in the scrap storage cavity, and the brush bristles are beaten at the end part of the second scrap shovel after passing through the first scrap shovel and the scrap storage cavity.
In the utility model, when the eraser convenient for scrap removal is actually used, firstly, the eraser body for the handheld shell is used for erasing pencil words, the eraser scraps are generated at the moment, then the handheld shell is used for pressing the magnet roller on the scraps, the whole shell is moved by hand to enable the magnet roller to roll on the scraps, the magnet roller attracts the scraps to the surface of the magnet roller, the scraps are drawn into the shell along with the rolling of the magnet roller, because the rotating brush is linked with the magnet roller, the rotating brush rotates when the magnet roller rolls, the brush hair is driven to form a sweeping action, the first scrap shovel shovels the scraps from the surface of the magnet roller, meanwhile, the brush hair draws the scraps into the scrap storage cavity, the scraps fall into the scrap storage cavity, and then the brush hair is hit at the end part of the second scrap shovel after passing through the first scrap shovel and the scrap storage cavity, so as to further remove the scraps and enable the scraps to fall into the scrap storage cavity, the sweeps can be poured out from the sweeps storage cavity after the sweeps are collected, and compared with the prior art, the eraser sweeps can be conveniently removed, and the eraser is clean and sanitary.
Furthermore, the shell is also hinged with a clamping block capable of clamping the eraser body and an elastic body, and the clamping block is clamped on the surface of the eraser body under the action of the elastic body. The clamping block can fix the eraser body on the shell, and the eraser body can be pulled out of the shell by adjusting the clamping block, so that the eraser is convenient to use.
Furthermore, the first end of the clamping block is pressed on the surface of the eraser body, a concave part matched with the first end of the clamping block is arranged on the surface of the eraser body, and the first end of the clamping block is pressed in the concave part. The eraser body can receive force in actual use, and the first end of the clamping block can be pressed in the recessed part due to the arrangement of the recessed part, so that the eraser body can be prevented from retracting into the shell even if being subjected to force, and normal use is ensured.
Further, the direction of the eraser body extending out of the shell is taken as upward, the upper wall of the concave part is high inside and low outside or the upper wall is horizontal, and the lower wall of the concave part is high inside and low outside. The upper wall of the sunken part is set to be inner high and outer low or the upper wall is horizontal, the lower wall of the sunken part is set to be inner high and outer low, the eraser body is not easy to retract when the end part of the eraser body is stressed, and the eraser body is easy to pull out.
Further, when the first end of the clamping block is pressed in the concave part, the first end of the clamping block is attached to the upper wall and the lower wall of the concave part. The first end of the clamping block is attached to the upper wall and the lower wall of the sunken part, so that the end part of the eraser body is not easy to retract when stressed, and the eraser body can be pulled out easily.
Furthermore, the position between the two ends of the clamping block is hinged with the shell, the first end of the clamping block is pressed on the surface of the eraser body, the elastic body is a pressure spring arranged between the shell and the second end of the clamping block, and the second end of the clamping block extends out of the shell. An operator presses the second end of the clamping block into the shell, the clamping block loosens the eraser body at the moment, the length of the eraser body extending out of the shell is adjusted, then the clamping block is loosened, and under the action of the pressure spring, the first end of the clamping block is pressed on the surface of the eraser body, so that the eraser body can be fixed.
Furthermore, the scrap dumping opening is hinged with a sealing door, and the sealing door is clamped with the shell when closed. The sealing door can block the scrap dumping opening to prevent the scrap from falling.
Furthermore, one side surface, close to the rotating brush, of the first scrap shovel is an arc-shaped surface, the distance from the arc-shaped surface to the axis of the rotating brush is smaller than the distance from the end part of the brush hair to the axis of the rotating brush, and meanwhile, the minimum distance from the outer surface of the magnet roller to the axis of the rotating brush is smaller than the distance from the end part of the brush hair to the axis of the rotating brush. The sweeps is drawn into the casing by the magnet roller, and first sweeps shovel is shoveled the sweeps down, makes sweeps and magnet roller keep apart, and the brush hair is then drawn into the sweeps along the arcwall face of first sweeps shovel with the sweeps simultaneously and is stored the chamber, and collecting effect is better.
Furthermore, second sweeps shovel tip is provided with the broach, and the brush hair of rotating the brush can get into the gap between the broach, and the sweeps is then fallen into in the sweeps storage chamber by the comb. In practical application, possibly, a small part of scraps are mixed in the bristles, and in the process of combing, the comb teeth can comb the scraps from the bristles, so that the scrap removing effect is better.
Furthermore, the magnet roller and the rotating brush are provided with gears in rotating shafts, and the magnet roller and the rotating brush are in transmission through the gears. The gear transmission has simple structure and principle and reliable operation.
The utility model has the advantages that:
1. In the utility model, when the eraser convenient for scrap removal is actually used, firstly, the eraser body for the handheld shell is used for erasing pencil words, the eraser scraps are generated at the moment, then the handheld shell is used for pressing the magnet roller on the scraps, the whole shell is moved by hand to enable the magnet roller to roll on the scraps, the magnet roller attracts the scraps to the surface of the magnet roller, the scraps are drawn into the shell along with the rolling of the magnet roller, because the rotating brush is linked with the magnet roller, the rotating brush rotates when the magnet roller rolls, the brush hair is driven to form a sweeping action, the first scrap shovel shovels the scraps from the surface of the magnet roller, meanwhile, the brush hair draws the scraps into the scrap storage cavity, the scraps fall into the scrap storage cavity, and then the brush hair is hit at the end part of the second scrap shovel after passing through the first scrap shovel and the scrap storage cavity, so as to further remove the scraps and enable the scraps to fall into the scrap storage cavity, the sweeps can be poured out from the sweeps storage cavity after the sweeps are collected, and compared with the prior art, the eraser sweeps can be conveniently removed, and the eraser is clean and sanitary.
2. The clamping block can fix the eraser body on the shell, and the eraser body can be pulled out of the shell by adjusting the clamping block, so that the eraser is convenient to use.
3. The eraser body can receive force in actual use, and the first end of the clamping block can be pressed in the recessed part due to the arrangement of the recessed part, so that the eraser body can be prevented from retracting into the shell even if being subjected to force, and normal use is ensured.
4. The upper wall of the sunken part is set to be inner high and outer low or the upper wall is horizontal, the lower wall of the sunken part is set to be inner high and outer low, the eraser body is not easy to retract when the end part of the eraser body is stressed, and the eraser body is easy to pull out.
5. The first end of the clamping block is attached to the upper wall and the lower wall of the sunken part, so that the end part of the eraser body is not easy to retract when stressed, and the eraser body can be pulled out easily.
6. An operator presses the second end of the clamping block into the shell, the clamping block loosens the eraser body at the moment, the length of the eraser body extending out of the shell is adjusted, then the clamping block is loosened, and under the action of the pressure spring, the first end of the clamping block is pressed on the surface of the eraser body, so that the eraser body can be fixed.
7. The sealing door can block the scrap dumping opening to prevent the scrap from falling.
8. The sweeps is drawn into the casing by the magnet roller, and first sweeps shovel is shoveled the sweeps down, makes sweeps and magnet roller keep apart, and the brush hair is then drawn into the sweeps along the arcwall face of first sweeps shovel with the sweeps simultaneously and is stored the chamber, and collecting effect is better.
9. In practical application, possibly, a small part of scraps are mixed in the bristles, and in the process of combing, the comb teeth can comb the scraps from the bristles, so that the scrap removing effect is better.
10. The gear transmission has simple structure and principle and reliable operation.
Drawings
FIG. 1 is a sectional view of an embodiment of the present invention, in a front view, of an eraser facilitating crumb removal;
3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is a right side view of an eraser for facilitating crumb removal in an embodiment of the invention;
FIG. 4 is a schematic view of the embodiment of the present invention showing the brush bristles entering the gaps between the comb teeth in the top view direction; wherein,
The device comprises a shell-1, a waste storage cavity-11, a first waste shovel-12, a second waste shovel-13, a clamping block-14, an elastic body-15, a waste dumping opening-111, a sealing door-112 and comb teeth-131;
An eraser body-2 and a concave part-21;
A magnet roller-3, a driving gear-31, a first driven gear-32, a second driven gear-33 and a third driven gear-34;
A rotating brush-4.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figures 1 and 2, the eraser convenient for removing scraps comprises a shell 1, an eraser body 2, a magnet roller 3 and a rotating brush 4.
As shown in fig. 1, casing 1's main function is for each spare part provides the support location to guarantee to satisfy the position requirement between each spare part, be provided with the sweeps in casing 1 and store chamber 11, the sweeps stores and sets up sweeps dump opening 111 on the chamber 11, sweeps dump opening 111 department is articulated to be provided with and seals door 112, seals door 112 and when closing the joint between the casing 1, specifically, it is provided with the arch to seal door 112 edge, and sweeps dump opening 111 department then is provided with and this protruding complex sunken, and protruding and sunken cooperation realize the joint promptly.
The eraser body 2 is arranged at the first end of the shell 1, and substances (such as iron powder, nickel, cobalt, manganese and the like) capable of being attracted by the magnet roller 3 are doped in the eraser body 2.
As shown in fig. 1 and 2, a cylindrical magnet roller 3 is rotatably mounted on and exposed from a second end of the housing 1, and a rotatable brush 4 is rotatably mounted in the housing 1.
As shown in fig. 1 and 2, the axes of the magnet roller 3 and the rotating brush 4 are parallel and are linked and turned oppositely, the rotating shafts of the magnet roller 3 and the rotating brush 4 are provided with gears, the magnet roller 3 and the rotating brush 4 are driven by the gears, bristles of the rotating brush 4 can sweep the surface of the magnet roller 3, specifically, as shown by dotted lines in fig. 1, the rotating shaft of the magnet roller 3 is provided with a driving gear 31, the housing 1 is provided with a first driven gear 32 engaged with the driving gear 31, the housing 1 is provided with a second driven gear 33 engaged with the first driven gear 32, the rotating shaft of the rotating brush 4 is provided with a third driven gear 34, and the radial sizes of the driving gear 31, the first driven gear 32, the second driven gear 33 and the third driven gear 34 are sequentially reduced.
As shown in fig. 1, a first waste chip shovel 12 is arranged between the magnet roller 3 and the rotating brush 4, the end of the first waste chip shovel 12 points to the direction opposite to the rotating direction of the magnet roller 3 and is attached to the surface of the magnet roller 3, and the first waste chip shovel 12 shovels the waste chips attracted by the magnet roller 3 and is brushed into the waste chip storage cavity 11 by the rotating brush 4.
As shown in fig. 1, one side of the first waste chip shovel 12 close to the rotating brush 4 is an arc-shaped surface, and the distance from the arc-shaped surface to the axis of the rotating brush 4 is smaller than the distance from the end of the brush hair to the axis of the rotating brush 4, and the minimum distance from the outer surface of the magnet roller 3 to the axis of the rotating brush 4 is smaller than the distance from the end of the brush hair to the axis of the rotating brush 4.
As shown in fig. 1 and 4, a second waste chip shovel 13 is arranged in the waste chip storage cavity 11, bristles pass through the first waste chip shovel 12 and the waste chip storage cavity 11 and then hit the end of the second waste chip shovel 13, comb teeth 131 are arranged at the end of the second waste chip shovel 13, the bristles of the rotating brush 4 can enter gaps between the comb teeth 131, and waste chips are combed and dropped into the waste chip storage cavity 11.
As shown in fig. 1 and 3, the housing 1 is further provided with a clamping block 14 capable of clamping the eraser body 2, and an elastic body 15 in a hinged manner, under the action of the elastic body 15, the clamping block 14 is clamped on the surface of the eraser body 2, a position between two ends of the clamping block 14 is hinged with the housing 1, a first end of the clamping block 14 is pressed on the surface of the eraser body 2, the elastic body 15 is a compression spring arranged between the housing 1 and a second end of the clamping block 14, and the second end of the clamping block 14 extends out of the housing 1.
As shown in figure 1, the first end of the clamping block 14 is pressed on the surface of the eraser body 2, the surface of the eraser body 2 is provided with a concave part 21 matched with the first end of the clamping block 14, and the first end of the clamping block 14 is pressed in the concave part 21.
As shown in fig. 1, the upper wall of the recess 21 is higher inside and lower outside or the upper wall is horizontal, and the lower wall of the recess 21 is higher inside and lower outside, with the direction in which the eraser body 2 extends from the housing 1 being upward.
As shown in fig. 1, when the first end of the clamping block 14 is pressed into the recess 21, the first end of the clamping block 14 is attached to the upper wall and the lower wall of the recess 21.
The working principle is as follows:
As shown in figure 1, when the eraser convenient for removing scraps in the utility model is in actual use, firstly, the hand-held shell 1 is used for erasing pencil characters by the eraser body 2, eraser scraps are generated at the moment, then, the hand-held shell 1 is used for holding the magnet roller 3 to press on the scraps, the whole shell 1 is moved by hand, the magnet roller 3 rolls on the scraps, the magnet roller 3 attracts the scraps to the surface of the magnet roller 3, the scraps are drawn into the shell 1 along with the rolling of the magnet roller 3, because the rotating brush 4 is linked with the magnet roller 3, when the magnet roller 3 rolls, the rotating brush 4 rotates, thereby driving the brush to form a sweeping action, the first scraps shovel 12 shovels the scraps from the surface of the magnet roller 3, meanwhile, the brush hairs suck the scraps into the scraps storage cavity 11, the scraps fall into the scraps storage cavity 11, and then the brush hairs pass through the first scraps storage cavity 12 and the scraps storage cavity 11 and then hit the end part of the second scraps 13, in order to further get rid of the sweeps and make it fall into sweeps and store chamber 11, the sweeps collect after accomplishing with the sweeps follow sweeps store chamber 11 department pour out can, for prior art, can be convenient clear away the eraser sweeps, and clean health.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The eraser convenient for removing scraps is characterized in that: comprises a shell (1), an eraser body (2) arranged at the first end of the shell (1), a magnet roller (3) rotatably arranged at the second end of the shell (1) and exposed from the second end, and a rotating brush (4) rotatably arranged in the shell (1);
A waste chip storage cavity (11) is arranged in the shell (1), and a waste chip dumping opening (111) is arranged on the waste chip storage cavity (11);
The eraser body (2) is doped with a substance which can be attracted by the magnet roller (3);
The magnet roller (3) is parallel to the axis of the rotating brush (4), the magnet roller and the rotating brush are linked and rotate in opposite directions, and bristles of the rotating brush (4) can be swept to the surface of the magnet roller (3);
A first scrap shovel (12) is arranged between the magnet roller (3) and the rotating brush (4), the end part of the first scrap shovel (12) points to the direction opposite to the rotating direction of the magnet roller (3) and is attached to the surface of the magnet roller (3), and the first scrap shovel (12) shovels scraps attracted by the magnet roller (3) and brushes the scraps into a scrap storage cavity (11) by the rotating brush (4);
A second scrap shovel (13) is arranged in the scrap storage cavity (11), and bristles are beaten at the end of the second scrap shovel (13) after passing through the first scrap shovel (12) and the scrap storage cavity (11).
2. The eraser facilitating crumb removal as defined in claim 1, wherein: the eraser is characterized in that the shell (1) is also hinged with a clamping block (14) capable of clamping the eraser body (2) and an elastic body (15), and the clamping block (14) is clamped on the surface of the eraser body (2) under the action of the elastic body (15).
3. The eraser facilitating crumb removal as defined in claim 2, wherein: the first end of the clamping block (14) is pressed on the surface of the eraser body (2), a concave part (21) matched with the first end of the clamping block (14) is arranged on the surface of the eraser body (2), and the first end of the clamping block (14) is pressed in the concave part (21).
4. An eraser facilitating crumb removal as defined in claim 3, wherein: the direction of the eraser body (2) extending out of the shell (1) is taken as the upward direction, the upper wall of the concave part (21) is high inside and low outside or the upper wall is horizontal, and the lower wall of the concave part (21) is high inside and low outside.
5. The eraser facilitating crumb removal as defined in claim 4, wherein: when the first end of the clamping block (14) is pressed in the concave part (21), the first end of the clamping block (14) is attached to the upper wall and the lower wall of the concave part (21).
6. The eraser facilitating crumb removal as defined in claim 2, wherein: the eraser is characterized in that the position between the two ends of the clamping block (14) is hinged to the shell (1), the first end of the clamping block (14) is pressed on the surface of the eraser body (2), the elastic body (15) is a pressure spring arranged between the shell (1) and the second end of the clamping block (14), and the second end of the clamping block (14) extends out of the shell (1).
7. The eraser facilitating crumb removal as defined in claim 1, wherein: the scrap dumping opening (111) is hinged with a sealing door (112), and the sealing door (112) is clamped with the shell (1) when closed.
8. The eraser facilitating crumb removal as defined in claim 1, wherein: one side surface of the first scrap shovel (12) close to the rotating brush (4) is an arc-shaped surface, the distance from the arc-shaped surface to the axis of the rotating brush (4) is smaller than the distance from the end part of the brush hair to the axis of the rotating brush (4), and meanwhile, the minimum distance from the outer surface of the magnet roller (3) to the axis of the rotating brush (4) is smaller than the distance from the end part of the brush hair to the axis of the rotating brush (4).
9. The eraser facilitating crumb removal as defined in claim 1, wherein: comb teeth (131) are arranged at the end part of the second scrap shovel (13), bristles of the rotating brush (4) can enter gaps among the comb teeth (131), and scraps are combed and fall into the scrap storage cavity (11).
10. The eraser facilitating crumb removal as defined in claim 1, wherein: the magnet roller (3) and the rotating brush (4) are provided with gears in rotating shafts, and the magnet roller (3) and the rotating brush (4) are in transmission through the gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921457752.5U CN211054805U (en) | 2019-09-03 | 2019-09-03 | Eraser convenient for removing scraps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921457752.5U CN211054805U (en) | 2019-09-03 | 2019-09-03 | Eraser convenient for removing scraps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211054805U true CN211054805U (en) | 2020-07-21 |
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ID=71590739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921457752.5U Active CN211054805U (en) | 2019-09-03 | 2019-09-03 | Eraser convenient for removing scraps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211054805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406293A (en) * | 2019-09-03 | 2019-11-05 | 安徽图强文具股份有限公司 | A kind of erasing rubber convenient for debris removal |
-
2019
- 2019-09-03 CN CN201921457752.5U patent/CN211054805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406293A (en) * | 2019-09-03 | 2019-11-05 | 安徽图强文具股份有限公司 | A kind of erasing rubber convenient for debris removal |
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