JPH11105488A - Portable writing board body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable writing board body which can be used in the night and which is light in weight and easy to carry. SOLUTION: A transparent synthetic resin plate 3 being provided in the central notched part 2 of the surface of a frame body 1, a translucent-white plastic plate 4 is provided on the rear side of that plate and further a light- conducting plate 5 made of acrylic resin is provided on the rear side of the plate 4, while a diffuse reflection surface provided with innumerable conical groove parts is provided on the base thereof. Furthermore, a white reflecting plate 8 is provided on the rear side of the light-conducting plate made of acrylic resin and a large number of white LED spheres 10 are fitted to the peripheral- edge end face of the light-conducting plate made of acrylic resin so that they are directed to this face. Moreover, the frame body is provided with a holding part of a battery being a power source of the white LED spheres and a switch part 12 for turning energization on and off and, besides, it is provided with a writing implement holding part 19 which can be put in and out of the side wall surface of the frame body and a paper holding part 24 with a light-storage coat surface 26 which can be put in and out of the front wall surface 22 of the frame body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable writing board which can be used at night, is light and easy to carry, and is easy to use.

[0002]

2. Description of the Related Art Conventionally, there has been known a portable writing board which can be used with a bright writing surface so that writing can be performed by illuminating paper such as B4 size paper from the back surface at night.

[0003]

The conventional writing board which can be used with a bright writing surface so that writing can be performed on paper such as a B4 plate at nighttime uses a fluorescent lamp as a light source. In the field, it is difficult to write evenly on the entire surface of the paper without evenly illuminating the light, so it is difficult to perform writing reliably. There are drawbacks such as being thicker, heavier and harder to use, unsuitable for portable use, and inconvenient in use.

The present invention has been made to solve the above-mentioned problems, and is thin and light, so that light can be evenly and uniformly applied to the entire surface of the sheet from the back side of the sheet, and particularly difficult to write. The object of the present invention is to easily and reliably perform a writing operation even at the time, and an object of the present invention is to obtain a portable writing plate which is extremely convenient in use.

[0005]

In order to achieve the above object, the present invention provides a transparent synthetic resin plate 3 in a center notch 2 on the surface of a frame 1 and a milky white color on the back surface of the transparent synthetic resin plate 3. A plastic plate 4 is provided.
A light guide plate 5 made of acrylic resin is provided on the back surface of the light guide plate 5 and countless conical grooves 6, 6,.
Is provided, and a white reflector 8 is further provided on the back surface of the acrylic resin light guide plate 5, and a large number of white LEs are directed toward the peripheral edge 9 of the acrylic resin light guide plate 5.
Attaching D spheres 10, 10...
Battery storage unit 11 and battery storage unit 1 that are power sources of ED bulb 10
1 is provided with an open / close switch unit 12 for energizing the white LED bulbs 10, 10,....

Further, the frame 1 is provided with a writing instrument storage portion 19 which can enter and exit from a side wall surface 18 thereof.

The frame 1 is provided with a paper storage portion 24 which can enter and exit from the front wall surface 22, and a front end surface 25 of the paper storage portion 24 is provided with a luminous coating layer surface 26 which stores light by a luminous operation for applying light. Things.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a frame 1 of a coin plastic in which a center notch 2 of a frame 1 is not scratched;
A transparent synthetic resin plate 3 which is easy to use a writing instrument is provided on the same surface as 3, and a milky white plastic plate 4 for diffusing light and smoothing light is provided on the back surface of the transparent synthetic resin plate 3. Acrylic resin light guide plate 5 on the back
Are provided on the bottom surface of the light guide plate 5 made of acrylic resin, and the irregular reflection surface layer 7 is provided with a myriad of conical grooves 6, 6,... On the bottom surface of the light guide plate 5 made of acrylic resin. And a light guide plate 5 made of an acrylic resin.
Are mounted on the frame 1 via mounting plates 14 and 14 which emit a large number of high-luminance white light beams directed toward the upper and lower peripheral end surfaces 9 and 9 of the frame 1. To
The battery storage portion knob 17, which can house the battery 15, which is the power source of the white LED bulb 10, and which can enter and exit from the rear wall 16 of the frame 1 as shown by an arrow a in FIG.
1 and the white LED bulbs 10, 10,...
Switch unit 1 that can open and close the power supply to the unit
2 is provided on the side wall surface 18 of the frame 1.

Further, the frame 1 is provided with a writing implement storage portion 19 which can enter and exit from the side wall surface 18 as shown by an arrow b in FIG.
It can be rotated through the support shaft 20 attached to the frame, and can be moved into and out of the frame 1 by holding the knob 21 of the writing instrument storage section.

Further, the frame 1 is provided with a paper storage portion 24 for storing paper 23 which can enter and exit from the front wall surface 22 as shown by an arrow c in FIG. 7, and further has a front end surface 25 of the paper storage portion 24.
Is provided with a luminous coating layer surface 26 capable of storing light by a single luminous operation of irradiating light such as the sun or an electric light, and capable of emitting light for about 6 hours, and having a U-shape in the center of the front end of the bottom plate 27 of the frame 1 A notch 28 is provided, and U
A projection surface portion 29 is provided to engage with the letter-shaped notch portion 28.
When the paper storage portion 24 is pushed into the frame 1 during storage, the projection surface portion 29 is engaged with the U-shaped notch 28 and the paper storage portion 24 protrudes out of the frame body 1 during storage. It is something that does not happen.

The four corners 31, 31, 31,
31 is provided with string passing holes 32, 32, 32, 32, and the strings (not shown) of the string passing holes 32, 32, 32, 32 are attached so that they can be hung from shoulders, so that carrying is easy. It is made to be able to.

A clock 33 and a compass 34 are attached to the frame 1.

Further, paper holders 35, 35 are provided on the frame body 1 on both sides of the transparent synthetic resin plate 3 so that the paper 23 can be pressed so as not to fall unnecessarily from the surface of the transparent synthetic resin plate 3. It was done.

The writing implement storage 1 is provided on the side wall surface 18 of the frame 1.
A locking piece 37 is provided so that the writing piece 9 does not protrude unnecessarily, and the locking piece 37 rotates through a shaft 36. When the locking piece 37 is stopped at a predetermined rotation position, the writing instrument storage portion 19 is moved out of the frame body 1. The writing tool storage portion 19 can be released from exposure to the frame 1 by further rotating it by 180 degrees. The writing tool storage portion knob 21 is pinched and the writing tool storage portion 19 is released. Reference numeral 19 denotes a device that can enter and exit from the frame 1.

The battery housing 11 is provided on the rear wall 16 of the frame 1.
Locking pieces 37, 37 are provided so as not to protrude unnecessarily, and these locking pieces 37, 37 are rotated via shafts 36, 36.
Are locked so as not to protrude from the frame 1, and the battery housing 11 can be released from the frame 1 by further rotating by 180 degrees.
The battery housing 11 can be moved in and out of the frame body 1 by picking up 7 and 17.

[0016]

The present invention is constructed as described above and can be used for writing by placing a sheet on the transparent synthetic resin plate 3 provided in the center notch 2 of the surface of the frame 1. In addition, since the transparent synthetic resin plate 3 on which the paper is placed is bright on the entire surface, it is possible to write on the paper surface with a writing instrument at night when the surroundings are dark, and it is possible for nurses and construction staff at hospitals. -It can be widely used in dark places such as police officers at the scene of an accident, firefighters at a fire department, other night patrols, and checking in warehouses.

As means for brightening the entire surface of the transparent synthetic resin plate 3, a milky white plastic plate 4 is provided on the back surface of the transparent synthetic resin plate 3, and an acrylic resin light guide plate 5 is further provided on the back surface of the milky white plastic plate 4 and an acrylic resin is provided. On the bottom surface of the resin light guide plate 5, an irregular reflection surface layer 7 provided with countless conical grooves 6, 6,...
A white reflector 8 is provided on the back surface of the LED, and a large number of white LED bulbs 10 are directed toward the peripheral edge 9 of the light guide plate 5 made of acrylic resin.
10 ... but many white LEDs
The spheres 10, 10... Emit high-luminance white light, and light incident on the acrylic resin light guide plate 5 from the peripheral edge surface 9 of the acrylic resin light guide plate 5 is innumerably conical grooves 6,6.
Are irregularly reflected by the irregular reflection surface 7 provided so that the entire surface of the acrylic resin light guide plate 5 is evenly and uniformly brightened. Further, the milky white plastic plate 4 provided on the surface of the acrylic resin light guide plate 5 is made of acrylic. The light emitted from the entire surface of the resin light guide plate 5 is diffused and smoothed, and the white reflector 8 provided on the back surface of the acrylic resin light guide plate 5 reflects the light further upward and is made of an acrylic resin. The light guide plate 5 is further brightened so that the entire surface of the transparent synthetic resin plate 3 is made brighter so that a writing operation can be performed in a dark place.
In addition, since the light from the transparent synthetic resin plate 3 is bright without any shading, the certainty is enhanced in writing.

Also, a battery housing 11 serving as a power supply for the white LED bulb 10 and a white LED bulb 1
Since the open / close switch section 12 for supplying electricity to 0, 10... Is provided, electricity is supplied only when necessary to prevent consumption of the battery 15 stored in the battery storage section 11 and can withstand long-term use. .

The frame 1 is provided with a writing implement storage section 19 which can enter and exit from the side wall surface 18 of the frame 1 so that the writing implement storage section 19 can store necessary writing materials and can perform writing easily and reliably. It is convenient.

The frame 1 is provided with a paper storage section 24 which can enter and exit from the front wall surface 22 of the frame 1. The paper storage section 24 stores paper, which is extremely convenient in use.

The front end face 25 of the sheet storage section 24 is luminous by a single luminous operation of irradiating light such as the sun or an electric light.
The luminous coating surface 26, which can emit light for several hours, makes it possible to see the luminous coating surface 26 from a distant automobile, etc., even in a dark place, preventing accidents from reoccurring on roads, etc. where accidents occur, and contributing to safety. It is something that can be done.

Further, the present invention has various industrial effects, such as a simple structure, a low possibility of failure and easy manufacture.

[Brief description of the drawings]

FIG. 1 is a top perspective view of the present invention as viewed from below.

FIG. 2 is a top perspective view of the present invention as viewed from above.

FIG. 3 is a perspective view of a lower surface of the present invention as viewed from below.

FIG. 4 is a partially cutaway enlarged view taken along the line AA in FIG. 1;

FIG. 5 is a partially cutaway enlarged view taken along the line BB in FIG. 1;

FIG. 6 is a partially cutaway enlarged sectional view of an acrylic resin light guide plate.

FIG. 7 shows a state where a part of a battery storage part, a writing instrument storage part, and a paper storage part is pulled out from a frame body.
It is the top view which cut out some milky white plastic plates and the light guide plate made of acrylic resin.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 2 Surface center cutout central part 3 Transparent synthetic resin plate 4 Milky white plastic plate 5 Acrylic resin light guide plate 6 Conical groove part 7 Diffuse reflection surface 8 White reflection plate 9 Upper and lower peripheral edge 10 White LED bulb 11 Battery storage unit 12 Open / close Switch unit 13 Front plate 14 Mounting plate 15 Battery 16 Rear wall 17 Battery compartment knob 18 Side wall surface 19 Writing instrument storage unit 20 Support shaft 21 Writing instrument storage unit knob 22 Front wall surface 23 Paper 24 Paper storage unit 25 Front end surface 26 Luminescent coating layer Surface 27 Bottom plate 28 U-shaped notch 29 Projecting surface 30 Rear surface 31 Corner 32 String passing hole 33 Clock 34 Compass 35 Paper press 36 Axis 37 Locking piece a Arrow b Arrow c Arrow

Claims (3)

[Claims] 1. A transparent synthetic resin plate 3 is provided in a center notch 2 on the front surface of a frame 1, a milky white plastic plate 4 is provided on the back surface of the transparent synthetic resin plate 3, and an acrylic resin The light guide plate 5 is provided, and countless conical grooves 6, 6...
Are provided, and a white reflector 8 is further provided on the back surface of the acrylic resin light guide plate 5, and a large number of white LED bulbs 10 are directed toward the peripheral edge 9 of the acrylic resin light guide plate 5. , 10... And a white LED on the frame 1
A portable writing plate body comprising a battery storage portion 11 serving as a power source of the ball 10 and an open / close switch portion 12 for energizing the white LED balls 10, 10,... From the battery storage portion 11. 2. A writing instrument storage portion 19 provided on the frame body 1 so as to be able to enter and exit from a side wall surface 18 thereof.
A portable writing board as described. 3. A frame 1 is provided with a paper storage section 24 which can enter and exit through a front wall surface 22. Further, a front end face 25 of the paper storage section 24 is provided with a luminous coating layer surface 26 which stores light by a luminous operation for applying light. The portable writing board according to claim 1, wherein