KR20080049185A - Whiteboard automatic eraser - Google Patents

Abstract

An automatic eraser device of a whiteboard is provided to prevent stains generated by non-uniform pressure on the surface of the whiteboard and to erase words written on the whiteboard only by operating an operating unit. In a whiteboard(10) having an eraser integrally wound around a roller installed on the front side and rotated, an automatic eraser device is composed of a roller type eraser(11) turning while coming into contact with the surface of the whiteboard at uniform pressure; a driving unit(12) connected to the roller type eraser to rotate the roller type eraser; and an operating unit(13) installed at the lower side of the roller type eraser to actuate the driving unit selectively. The driving unit includes a DC(Direct Current) motor controlling forward and reverse rotations of the roller type eraser.

Description

Whiteboard Automatic Eraser Device {WhiteBoard Automatic Eraser}

1 is a block diagram showing the configuration of a white board according to a preferred embodiment of the present invention.

Figure 2 is a block diagram showing a state in which power is transmitted to the roller-type eraser by the drive means according to an embodiment of the present invention.

Figure 3 is a state diagram to move along the guide rail installed on the top and bottom of the white board by the gear combination according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: whiteboard 11: roller type eraser

12: drive means 13: operation portion 14: guide rail

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a white board, and more particularly, to an automatic eraser device capable of automatically erasing letters and pictures recorded using a marker or the like on a white board using only a manipulation unit.

Typically, a white board is a device that records letters or pictures so that many people can see them. Therefore, the white board may erase the recorded pictures or letters with an eraser made of a material such as a cloth or velvet.

However, as described above, when the picture or letters recorded on the white board is erased with an eraser, the board surface is locally pressured, which causes a problem of staining on the white board. In addition, there was an uncomfortable problem that the user must delete by hand.

SUMMARY OF THE INVENTION In order to solve the above problems, an object of the present invention is to provide an automatic eraser device configured to receive a uniform pressure on a board surface when erasing letters and pictures recorded on a board.

Another object of the present invention is to provide an automatic eraser device which allows a user to conveniently erase the parameters recorded on the board by only operating the operation unit.

In order to achieve the above object, the present invention is a white board having an eraser configured to be rotatable integrally wound on a roller installed on a separate rod, so as to rotate in contact with the surface of the white board wound on the roller at a constant pressure And a roller-type eraser to be installed, a driving means of the roller-type eraser to rotate the roller-type eraser, and an operation unit installed below the roller to selectively drive the driving means.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used for the same components, even if displayed on different drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

In the configuration of the automatic eraser according to the present invention, as shown in FIG. The eraser for erasing the print is integrally wound on the roller-type eraser 11. That is, the white board 10 may be erased by the rotation of the roller-type eraser 11.

The roller-type eraser 11 is installed to rotate in contact with the surface of the white board 10 at a constant pressure. The outer circumferential surface of the roller-type eraser 11 is formed of a material such as a cloth to erase letters or pictures recorded on the white board 10. Thereafter, a driving means 12 capable of rotating the roller eraser 11 is connected to the upper end of the roller eraser 11. The drive means 12 is provided with a DC motor.

In addition, the roller-type eraser 11 and the driving means 12 can be directly connected as shown in FIG. The roller-type eraser 11 is configured to rotate in a direction opposite to the direction of movement along the white board 10 surface to give a predetermined friction force to the white board surface.

Thereafter, in order to selectively drive the driving means, an operation unit 13 is installed below the roller-type eraser 11 to selectively control the driving of the driving means 12. That is, when the user presses a predetermined button of the operation unit 13, the roller-type eraser 11 rotates and is engaged with the white board 10 to rotate, thereby deleting pictures or letters recorded on the white board. .

Although the above configuration has been described above with respect to embodiments of the present invention, it is obvious to those skilled in the art that various modifications can be made without departing from the gist of the present invention.

As described above, the automatic eraser device of the white board according to the embodiment of the present invention eliminates the inconvenience of the user directly erasing with an eraser, and the effect of preventing spots from occurring due to uneven pressure generated on the board surface by the eraser is eliminated. have

Claims (5)

CLAIMS 1. A white board having an eraser integrally wound on a roller installed on a front surface thereof, the white board comprising: a roller-type eraser installed to contact and rotate at a constant pressure with the white board surface; Drive means connected to the roller eraser for rotating the roller eraser; And an operation unit provided below the roller-type eraser for selectively driving the driving means. The method of claim 1, The driving means is an automatic eraser device of a white board, characterized in that the DC motor for controlling the reverse rotation of the roller-type eraser. The method of claim 1, The drive means and the roller-type eraser automatic eraser device of the electronic blackboard, characterized in that the power is transmitted by the engagement. The method of claim 1, The outer circumferential surface of the roller-type eraser is formed of a material such as a cloth to erase characters or pictures recorded on the white board. The method of claim 1, And the roller-type eraser is configured to rotate in a direction opposite to a moving direction by the driving means.

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