JP3122500U - Eraser for electronic blackboard - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an eraser for an electronic blackboard capable of easily erasing dirt which is difficult to remove by moistening an erasing part.
An electronic blackboard eraser according to the present invention has a water retention function, and is attached to a holding portion for holding by a user, a coating covering an outer surface of the holding portion, and a lower surface of the holding portion. An eraser 12 for erasing the notation on the electronic blackboard, and a plurality of minute hemispherical convex portions or concave portions are arranged in an array on the surface of the erased portion, To do. When the user repeats erasing with the marker pen on the electronic blackboard and ink stains that are hard to fall off remain on the board surface of the electronic blackboard, the user applies pressure to the holding unit 10 to remove moisture held in the holding unit 10. The eraser 12 is soaked. As a result, the erasing unit 12 absorbs moisture, enhances the erasing function, and can easily erase ink stains that are difficult to remove.
[Selection] Figure 1

Description

  The present invention relates to an eraser for an electronic blackboard that wipes and erases an ink display by a marker pen written on the electronic blackboard.

  Electronic blackboards are used in meetings and lectures. The user describes characters, pictures, and the like by coloring ink on the electronic blackboard with a marker. The eraser erases these notations, and is generally a hand-held eraser body made of resin, etc., and an eraser composed of a felt material, etc., for wiping off ink. It has been known.

  When the eraser is used for a long period of time, the marker ink residue adheres to the surface of the erased portion, and therefore it is necessary to periodically wash with water.

  Patent Document 1 is capable of wiping and erasing the ink display with the marker pen at all times, and erasing it easily. Moreover, it enables easy cleaning and removal of the remaining ink residue and quick reuse after cleaning. An eraser for a marker pen is disclosed. According to this, the eraser is comprised by the main body core member and the wiping material. As the rubbing material, polyurethane foam is used, which is adhered to the main core member.

JP-A-5-24393

  If the eraser by the marker is repeated and the eraser is used for a long period of time, ink residue will adhere to the erased area, and the ink residue may spill out, leaving ink stains on the electronic blackboard that cannot be removed even if the eraser is used. It may end up. In such a case, the plate surface must be wiped with a rag containing moisture, which is complicated.

  The present invention has been made to solve the above-described conventional problems, and the notation on the electronic blackboard can be easily erased by moistening the eraser with moisture retained inside the main body of the eraser. An electronic blackboard eraser that can be provided.

  An eraser for an electronic blackboard according to the present invention includes a holding unit having flexibility and a water retaining function, a waterproof film covering an outer surface of the holding unit, and an erasing unit that is attached to the lower surface of the holding unit and erases the notation on the electronic blackboard. And a plurality of convex portions or concave portions are arranged in the erasing portion.

  Preferably, the holding part is made of a deformable hemispherical flexible material. The holding portion has a water retaining body formed by a nanoporous structure inside. The holding part has a magnet inside.

  According to the electronic blackboard eraser of the present invention, since the holding portion has a water holding structure, the erasing portion is moistened with the moisture of the holding portion, and ink stains remaining on the plate surface of the electronic blackboard can be erased cleanly. Furthermore, the ink marks are accumulated on the plurality of convex portions provided in the erasing portion, so that the notation can be erased even if the eraser is used for a long time.

  The best mode for carrying out the present invention will be described in detail with reference to the drawings.

  FIG. 1 is an external view of an electronic blackboard eraser according to a first embodiment of the present invention as viewed from the side. The eraser 1 according to the present embodiment includes a holding unit 10 held by a user and an erasing unit 12 that erases the notation of the electronic blackboard.

  The holding part 10 has a hemispherical outer shape, and is made of urethane foam, which is a flexible material having a water retaining function. Urethane foam consists of innumerable holes, which can contain moisture. Further, the urethane foam easily deforms and fits the shape of the palm of the user who holds the holding unit 10. Further, the outer surface of the holding portion 10 is covered with a coating 14 that does not allow moisture to pass, such as a vinyl film. Thereby, even when the holding part 10 contains moisture, moisture does not come out from the inside of the holding part 10 to the outer surface, and the user's hand does not get wet when used by the user. It has a structure.

  The eraser 12 is formed of a felt material or the like, and the surface thereof has a plurality of minute convex structures 16. The erasing part 12 is preferably bonded to the holding part 10, and the convex structure 16 includes a hemispherical, conical or square plug-like projection. These protrusions are two-dimensionally arranged and can be formed integrally with the erasing unit 12. Thereby, ink is wiped off and the notation on the electronic blackboard is erased. The concave portion between the convex structures 16 can be entangled with wiping ink residue to accumulate a certain amount of ink residue, enabling the eraser 1 to be used for a long period of time, and having a structure that prevents ink residue from spilling off. ing.

  When the user repeats erasing with the marker pen on the electronic blackboard and ink stains that are hard to fall off remain on the plate surface of the electronic blackboard, the user applies pressure to the holding unit 10 to remove the moisture contained in the holding unit 10 12 soak. The erasing unit 12 absorbs moisture from the holding unit 10 to enhance the erasing function and easily erase ink stains that are hard to fall off. The water retention to the eraser 1 is preferably performed by soaking the moisture into the holding unit 10 from the erasing unit 12.

  FIG. 2 is an external view of an electronic blackboard eraser according to a second embodiment of the present invention viewed from the side. As in the first embodiment, the eraser 1 includes a holding unit 10 held by the user and an erasing unit 12 that erases the notation of the electronic blackboard. Further, the holding unit 10 includes a magnet 18 and a water holding unit 20 having a higher water holding rate than the urethane foam used for the holding unit 10 inside.

  The magnet 18 is attached to the position inside the holding unit 10 of the eraser 1 and close to the erasing unit 12, and the user attaches the eraser 1 to the plate surface of the electronic blackboard made of a magnetic material. be able to. Thereby, the user can fix the eraser 1 at a position on the electronic blackboard that does not get in the way.

  The water retaining part 20 is preferably formed by a structure called nanoporous. This is a structure having innumerable fine pores, and the fine pores can contain moisture to retain moisture. The water retained by the water retaining unit 20 is diffused to the retaining unit 10.

  FIG. 3 is an external view of an electronic blackboard eraser according to a third embodiment of the present invention as viewed from the side. As in the second embodiment, the eraser 1 includes a holding unit 10 gripped by the user and an erasing unit 12 that erases the notation of the electronic blackboard. The holding unit 10 includes a magnet 18 and a holding unit 10. It has the water retention part 20 whose water retention rate is higher than the urethane foam used. The eraser 12 is formed of a felt material or the like, and a plurality of concave structures 22 are formed on the surface thereof. The grooves 22 are two-dimensionally arranged and integrally formed with the erasing unit 12. Thereby, ink is wiped off and the notation on the electronic blackboard is erased. The groove 22 has a structure in which a certain amount of ink residue can be accumulated by wiping the ink residue, and the eraser 1 can be used for a long period of time, and the ink residue does not spill out. The third embodiment is directed to the second embodiment, but can also be applied to the eraser of the first embodiment.

  According to the embodiment of the present invention, in addition to the improvement of the erasing function by moistening the erasing unit 12, the eraser 1 can be washed, whereby the eraser 1 can be kept clean, and the holding unit Ten flexibility allows the user to move their fingers and activate the brain.

  The eraser 1 of the above embodiment contains water for enhancing the erasing function against dirt that is difficult to remove, but the water is a liquid containing a fragrance such as lemon, lime, apple extract, and the like. Or, it may have a refresh function.

  The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific embodiments according to the present invention, and various modifications can be made within the scope of the gist of the present invention described in the claims. Deformation / change is possible.

  The electronic blackboard eraser according to the present invention is used as an eraser that erases the notation of the electronic blackboard.

It is a figure which shows the eraser for electronic blackboards which concerns on the Example of this invention. It is a figure which shows the eraser for electronic blackboards of a 2nd Example. It is a figure which shows the eraser for electronic blackboards of a 3rd Example.

Explanation of symbols

1: Eraser 10: Holding part 12: Erasing part 14: Film 16: Convex structure 18: Magnet 20: Water retaining body 22: Groove

Claims (4)

In the eraser that erases what is written on the electronic blackboard,
A holding part with flexibility and water retention function;
A waterproof film covering the outer surface of the holding part;
An erasing unit that is attached to the lower surface of the holding unit and erases the notation on the electronic blackboard,
An eraser for an electronic blackboard, wherein a plurality of convex portions or concave portions are arranged in the erasing portion. The eraser for an electronic blackboard according to claim 1, wherein the holding portion is made of a deformable hemispherical flexible material. 3. The electronic blackboard eraser according to claim 1, wherein the holding portion includes a water retaining body having a nanoporous structure therein. The electronic blackboard eraser according to claim 1, wherein the holding portion includes a magnet inside.

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