JP3095387B2 - Lighting stairs - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting staircase. More specifically, the present invention makes it possible for each step of the stairs to effectively brighten the area on the tread plate on which a person normally puts his or her feet when going up and down the stairs, and to increase the visibility of the edge portion of the tread plate. The new lighting stairs can be illuminated.

[0002]

2. Description of the Related Art Conventionally, a main lighting fixture for indoor use is mounted on a ceiling of a stair provided in a building such as a house. However, lighting from above by the main lighting fixture is often too bright and dazzling at midnight or the like, and it is often difficult to see the steps of the stairs.

[0003] In recent years, the number of houses with high ceilings has been increasing in order to produce a large room. In such a house, there is a problem that stairs lighting is not sufficiently performed only by a main lighting fixture. There was also. Therefore, for example, as illustrated in FIG. 25, the wall surface (a) of the stair (a)
A small foot light (c) is buried below the, and lighting of the stairs (a) is studied and implemented.

[0004]

However, the illumination by the footlight (c) from the wall (a) illustrated in FIG. 25 has the following practical problems. First, the foot light (c) on the wall (b) does not illuminate each step of the stair (a), so the area near the foot light (c) becomes bright, but there are steps where the illumination light does not reach. It is not possible to illuminate the steps (d) of the steps uniformly and to illuminate the area on the steps (d) where people normally place their feet when going up and down the stairs sufficiently effectively.

[0005] In addition, it is considered that one of the causes of a fall accident due to stepping off the stairs at night is that the visibility of the steps of each step is poor, that is, the visibility of the edge portion of the tread plate (d) is poor. It is impossible to provide illumination that can solve this one factor with a foot light (c) on the wall (a) that cannot even illuminate. Therefore, the invention of this application
It has been made in view of the circumstances as described above, and eliminates the disadvantages of the prior art, and for each step of the stairs, while effectively illuminating the area on the tread plate on which feet are normally placed when going up and down the stairs, It is an object of the present invention to provide a new lighting stair that can be illuminated so that the visibility of the edge portion of the tread is increased.

[0006]

According to the invention of the present application, a light source is provided on a lower surface of a front end portion of a tread plate.
Together are gills prepare for, electric light source having a transformer
A source controller is provided on the back surface of the riser, and the light source causes the upper surface of the lower tread plate to have a darker front edge portion, at least in a range where a person puts a foot, and a portion other than the front edge portion. A lighting staircase is provided, wherein the portion is illuminated to be bright.

Further, the invention of this application is characterized in that in the above-mentioned lighting stairs, the light source is provided substantially at the center position on the lower surface of the front end of the tread plate, Or, it is provided to the right side, a plurality of such light sources are provided, a flat type LED or a dome lens type LED is provided as a light source, a power source controller for a light source. etc. that the two-dot light-off switching sensor is provided is a preferred embodiment.

[0008]

Embodiments of the present invention will be described below in more detail with reference to the accompanying drawings.

[0009]

1 (a) and 1 (b) are a perspective view and a sectional view illustrating an embodiment of a lighting staircase according to the present invention. For example, as illustrated in FIGS. 1A and 1B, in the lighting staircase of the present invention, the stairway (2) of the staircase (1) is located on the lower surface of the front end of the treadboard (2), ie, from the riser plate (7) of the treadboard (2). A light source (3) is provided on the lower surface of the protruding end, and the light source (3) is provided.
Thus, the upper surface of the lower tread plate (2) is illuminated such that the front edge portion is dark and portions other than the front edge portion are bright at least in a range where a person places his / her feet. Also, do not control the power supply to the light source (3).
Power supply with transformer (not shown) for which
A controller (6) is provided on the back of the riser (7).
I have.

More specifically, in this case, the mounting position of the light source (3) is, in the example of FIG. 1 (a), approximately the center position in the width direction on the lower surface of the front end portion of the tread plate (2) (including the position at the center). ), For example, as shown in FIG.
The position may be shifted leftward or rightward from the substantially central position as illustrated in (b). Here, the irradiation range and the mounting position of the light source (3) will be described.

It is generally considered that when walking up and down the stairs (1), a person walks with his / her feet within a range of about 300 mm on the tread (2) ("Diagonal of Japanese Industrial Technology Institute, Ministry of International Trade and Industry"). Of adult buttocks width in "Survey Report 1984"
Boys 31.8 cm, girls 32.4 cm). Therefore, the illumination range on the tread plate (2) by the light source (3) is at least a range where a person puts his / her feet, for example, the walking width 300.
nm or more is preferable.

As illustrated in FIG. 3, a handrail (4) is often installed on a staircase (1) in a house. In this case, in general, a malfunction occurs in the elderly or legs. It is conceivable that a certain person or the like holds onto the handrail (4) and places his or her feet near the handrail (4) to move up and down the stairs (1). Therefore, in the staircase (1) provided with the handrail (4), the light source (3) is provided at substantially the center of the lower surface of the front end of the tread plate (2), and the irradiation direction of the light source (3) is adjusted. Printing (4)
2A or 2B. As illustrated in FIGS. 2A and 2B, the light source (3) is shifted from a substantially central position on the lower surface of the front end of the tread plate (2) to the side where the handrail (4) is located. It is desirable to irradiate the area near the handrail (4).

Of course, if the entire upper surface of the tread (2) can be illuminated, sufficient illumination of each step can be provided regardless of the presence or absence of the handrail (4) and the mounting position of the light source (3). It can be performed, and can respond to individual differences of people who go up and down the stairs. Further, in the present invention, at least in a range where a person places his / her foot, as illustrated in FIGS. 4A and 4B, the front edge portion (21) of the tread plate (2) is dark, and the other upper surface portion (22). ) Is illuminated so that it becomes brighter. Thus, the front edge portion (2) of the tread (2) A
Since the illuminance of the upper surface portion (22) other than the front edge portion (21) of the step board (2) B one step below is higher than the illuminance of 1), the front edge portion (21) of the tread plate (2) A is higher. And the upper surface portion (22) other than the front edge portion (21) of the tread plate (2) B
And contrast between light and dark, and the visibility of the front edge portion (21) of the tread (2), that is, the edge portion is improved,
Recognition of the boundary of each step can be performed easily and reliably, and a sense of security when climbing up and down the stairs can be enhanced, and safety can be significantly improved.

As a light source (3) for performing such illumination, a known flat type LED as illustrated in FIG. 5 is used.
Dome lens type LED as illustrated in FIG. 6 and FIG.
(Or shell type LEDs) can be used. Since these LEDs are very small and inexpensive, they do not have a feeling of retrofit even if they are incorporated in all steps of the stairs (1). In addition, since the illumination is effective as described above, it has a long life (for example, 100,000 hrs or more), so that it is maintenance-free which does not need to be replaced semipermanently. Therefore, it is preferable as the light source (3) of the lighting staircase of the present invention.

When the flat type LED is used as the light source (3), its directivity angle is as wide as 125 °, for example, so that one flat type LED can be mounted at a desired mounting position (for example, on the lower surface of the front end of the tread plate (2)). By simply changing the irradiation angle, etc., at the approximate center position or the position shifted to the left and right), the area on the upper surface of the tread plate (2) where a person places his or her feet is sufficient, and the front edge portion (21) is dark. Can be illuminated so that the upper surface portion (22) of the device becomes bright. Of course, similar illumination may be performed by a plurality of flat type LEDs.

On the other hand, in the case of a dome lens type LED,
Since a directivity angle is narrower than that of a flat type LED, it is preferable to use a plurality of LEDs. FIG. 7 shows this dome lens type LE.
FIG. 3 shows an embodiment in which D is a light source (3). In this embodiment, there are two light sources (3), which are dome lens type LEDs, and left and right ends on the lower surface of the front end of the tread (2). The irradiation area is overlapped with each other, and the front edge portion (21) is darkened in almost the entire upper surface of the tread plate (2) or in the range of 300 nm or more in width as described above, and the other upper surface portion (22) is darkened. They are brightly lit. Of course, if one can cope, one may be sufficient.

Further, since the dome lens type LED is larger in size than the flat type LED, it may be considered that the dome lens type LED becomes more noticeable than the flat type LED if it is attached to the tread plate (2) as it is. Therefore, when a dome lens type LED is used, for example, FIGS.
It is preferable to install the lighting unit (10) as illustrated in (1).

FIGS. 8 (a) and 8 (b) can be suitably used when the dome lens type LED is mounted on the left and right ends of the lower surface of the front end of the tread plate (2) as exemplified in FIG. It shows an example of a lighting unit (10). The illumination unit (10) illustrated in FIGS. 8A and 8B has a left and right end portion on the lower surface of the front end portion of the tread plate (2) at a corner formed by the side plate (5) and the riser plate (7). It has a triangular prism shape that can be fitted easily, and an illumination window (15) for a dome lens type LED (14) is provided on the front surface thereof along with a diffusion cover (16). The illumination direction and range of the built-in dome lens type LED (14) are set so that the front edge portion is darkened in the range where the person places his or her feet on the upper surface of the tread plate (2), and effective illumination for brightening other portions is possible. Has been adjusted. For example, it is adjusted so as to be inclined downward by about 20 ° in consideration of the dimensions and the like of each step of the stairs (1), and to aim near the center of the upper surface of the tread plate (2) or a range near the handrail.

In mounting such a lighting unit (10), for example, a hole is provided in the riser plate (7), and two lead wires (17) are drawn out from the hole to the back side of the stairs, so that The two leads (1) from the lighting unit (10)
According to 7), it is easy to construct simply by sending and connecting in order from the bottom. Of course, it goes without saying that a flat type LED may be built in the lighting unit (10) and attached as illustrated in FIG. 7, similarly to the case of the above-mentioned dome lens type LED.

As described above, by adjusting the number and the mounting position of the flat type LED and the dome lens type LED, it is possible to provide effective illumination for various step shapes such as a wide one. Here, in the lighting staircase of the present invention, a tread plate (2) having a depth of 240 mm and a width of 880 mm when a flat type LED is used as the light source (3).
Since the illuminance on the upper surface was actually measured, the measurement result will be described.

As shown in FIG. 9 (a), the measurement result is obtained from the side fixed point indicated by the mark ● when the handrail is installed on the left side of the stairs (1), that is, from the left side plate (5). 24
At the positions of 0 mm, 390 mm, and 540 mm, 0.34
Lx, 2.00 Lx, and 1.54 Lx illuminance can be obtained, and when the handrail is installed on the right side of the stairs (1), the side fixed point indicated by ▲, that is, 24 from the right side plate (5)
At the positions of 0 mm, 390 mm, and 540 mm, 0.46
Illuminance of Lx, 2.05 Lx, and 1.25 Lx was obtained.
Therefore, when the average of the measured illuminance at each fixed point on each side is calculated, it is 1.29 Lx for the left handrail, and 1.25 Lx for the right handrail, which is JIS standard 1-2.
Lx was satisfied. In addition, a maximum illuminance of 4.33 Lx was obtained at a position 40 mm to the left of the light source (3).

The entire illuminance distribution on the upper surface of the tread (2) is almost as shown in FIG. 9 (b). Note that the measured values here are obtained when a rated current of 20 mA flows to the flat type LED. These FIG.
According to the measurement results illustrated in (a) and (b), according to the present invention, only the edge portion of the tread plate (2) is darkened at least in a range of about 300 mm around the light source (3) which is a flat type LED. It can be seen that effective illumination for improving the visibility can be realized.
Needless to say, not only such a flat type LED but also a dome lens type LED or the like as the light source (3) can realize similar illumination.

In order to supply power to the light source (3) as described above, a small power supply circuit insulated by a transformer is required. Obviously, it is not preferable to install it so as to be exposed to the outside from the viewpoint of safety at the feet and appearance of the stairs (1). It is also conceivable to mount the transformer inside the wall. In this case, however, the construction of the light source (3) and its electric wiring cannot be performed unless the construction of the wall and the stairs is performed at the same time. There is a problem that it becomes.

Therefore, in the lighting staircase of the present invention, FIG.
The power supply controller (6) for controlling the power supply to the light source (3) as shown in FIG. 1 is provided with a riser (7) of the stairs (1) as shown in FIGS. ), Preferably at the back of the lowermost riser (7). Power supply controller (6)
Are provided with components necessary for a small power supply circuit, for example, an insulating transformer (not shown), and an electrical wiring (61) and a VVF cable (64) are connected thereto. The power from the main power supply that has passed through (64) is supplied to the light source (3) by the electric wiring (61) via the transformer. It is preferable that a harness connector (62) is provided at an end of the electric wiring (61), and only by connecting the harness connector (62),
The electric wiring (61) between the power supply controller (6) and the light source (3) can be easily connected. Of course, connection of the electric wiring (61) between the light sources (3) at each stage can be easily performed via the harness connector (62) provided at the end.

A lighting / light-off switching sensor (63) such as a brightness sensor or a human body sensor may be built in the power supply controller (6). It is possible to automatically switch on and off the light source (3) according to the brightness in 1) or the presence or absence of a human body. Such a power supply controller (6) can be attached and constructed, for example, as illustrated in FIG. That is, first, the electric wiring (61) of the light source (3) arranged at each step of the stairs (1) is connected by connecting the harness connector (62). Raised board (7) on which power controller (6) is installed
Can be fixed to a wooden bar (51) provided on the back surface of the side plate (5) of the stairs (1) with screws (71) or the like from the front side. Power is supplied to the back surface of this riser (7). The controller (6) is fixed. After connecting the respective harness connectors (62), the riser plate (7) is screwed in, and the light source (3), the power controller (6), and the stairs (1) are completed.

Of course, since the riser (7) is arbitrarily detachable via the screw (71), after the construction of the stairs (1) is completed, the riser (7) is removed and the power controller ( 6) may be installed. Needless to say, maintenance after construction can be easily performed. In this way, when the power supply controller (6) is provided with the light-on / light-off switching sensor (63), only the opening for that is provided in the riser (7), and the design of the staircase (1) is improved. Without compromising
It can be attached to the stairs (1) while ensuring the safety of the feet. Of course, it has nothing to do with the construction of the wall,
It is possible to suppress an increase in the construction period as described above.

Now, the light source (3) in the lighting staircase of the present invention will be described with reference to FIGS.
(A) The lighting unit (1) exemplified in (b) and (c).
0) may be provided at each stage. FIG. 12 (a)
FIG. 13B is an upper plan view and an OO ′ line cross-sectional view illustrating the illumination unit (10), respectively, and FIG.
(A), (b) and (c) respectively show the light source (3) and the wiring (1).
Lighting unit (10) when 4) is not installed
Are an upper plan view, a cross-sectional view taken along the line PP ′, and a rear view.

FIGS. 12A and 12B and FIG.
(A) The lighting unit (10) exemplified in (b) and (c).
Is a light source unit (11) having a built-in light source (3) for irradiating light downward, a wiring guide unit (12) projecting rearward from the light source unit (11), and hanging from the light source unit (11). And a flat hanging plate portion (13). Electrical wiring (61) for the light source (3) is attached to the wiring guide portion (12) so as to be guided to the rear side. And this lighting unit (10) is shown in FIG. 14 and FIG.
As illustrated in (b), a continuous space (81) formed by a recess (81) formed on the lower surface of the front end of the tread plate (2) and an opening (82) formed at the upper end of the riser plate (7). 8)
First, the wiring guide part (12) is inserted so as to guide the electric wiring (61) to the inside of the stairs (1). Subsequently, the light source part (11) is buried, and the hanging plate part (13) is opened. The part (82) is shielded from the front side and detachably attached to each step of the stairs (1).

The electric wiring (61) is connected to the wiring guide (1).
By 2), it is possible to prevent the product from being caught or excessive tension being applied at the time of mounting, and without causing damage such as disconnection,
The space is smoothly guided from the continuous space (8) to the inside of the stairs (1). Therefore, the wiring guide portion (12) has a shape and a function to prevent damage to the electric wiring (61), and easily forms the opening (82).
It is also desirable to have a shape that can be inserted to the inside and penetrate to the inside.

The light source section (11) is provided with, for example, a screw hole (1).
The tread plate (2) is detachably fixed in the recessed portion (81) of the tread plate (2) by screws or the like with a wood screw (18) inserted through 9). The hanging plate portion (13) shields the opening (82) of the riser plate (7) so as to be completely invisible, so that the appearance of the riser plate (7) due to the formation of the opening (82) can be reduced. Can be prevented.

Also, for example, as illustrated in FIG.
The width L2 of the light source (11) is larger than the width L1 of the opening (82) and the width L3 of the wiring guide (12).
Is preferably smaller than the width dimension L1 of the opening (82). Thereby, the wiring guide part (12)
Is smoothly inserted into the opening (82), the light source (11) does not fall from the opening (82) to the inside of the stairs (1), and the mounting and dismounting of the lighting unit (10) can be performed from the front side. It can be performed easily and arbitrarily, and maintenance after mounting becomes very easy. For example, even if the connection of the electric wiring (61) is forgotten or damaged, as shown in FIG. 17, the lighting unit (10) is removed and the harness connector (62) is removed from the continuous space (8) by a wire (9) or the like. ), The electrical wiring (61) is pulled out, connection and repair are performed, and then the lighting unit (10) can be attached again without dropping the light source (11) inside the stairs (1).

The material of the lighting unit (10) can be, for example, acrylic having good transmittance so as to widen the irradiation range. In the case of a high transmittance material, the hanging plate portion (13) will be transparent, so that the hanging plate portion (13) is subjected to a graining process to secure the function of hiding the opening (82). It is preferred that As shown in FIG. 18, for example, the lighting units (10) installed in the respective stages have the electric power controlled by the power supply controller (6) provided on the back surface of the lowermost riser (7). Are supplied through the electric wiring (61) connected by the respective harness connectors (62).

With such a lighting unit (10), the light source (3) is attached to each step of the stair (1) in a comfortable manner, and the light source (3) can be detached from the stair (1).
The electric wiring (61) can be easily and arbitrarily performed from the front side without damage to the electric wiring while the electric wiring (61) is connected behind the stairs (1), and the appearance and design of the stairs (1) can be improved. Easy construction and maintenance without damage are realized.

Of course, the illumination unit (10) can also illuminate the upper surface of the tread plate (2) so that the visibility of the edge portion is high in the range where the person places his or her feet as described above. By the way, FIG. 12 and FIG.
The lighting unit (10) illustrated in FIG. 1 has an upper part left open, and the built-in light source (3) and its substrate are exposed upward. This is, for example, to keep the light source (3) and the like open to facilitate maintenance. However, during actual construction or woodworking, wood dust and dust generated at that time are used. It is conceivable that light may enter the lighting unit (10) and adhere to and damage the light source (3) and the substrate.

Therefore, in order to ensure ease of maintenance and the like and to prevent internal damage, the lighting unit (10) preferably has a detachable lid. FIGS. 19A, 19B, and 19C are a side view, a rear view, and an example, respectively, showing an example of a lighting unit (10) having a lid.
FIG. In addition, FIGS.
(C), (d), and (e) are a lower plan view, a front view, an upper plan view, a rear view, and a side view, respectively, illustrating the main body of the lighting unit (10) in FIG. ) (B)
(C) and (d) are a lower plan view, a front view, an upper plan view, and a side view, respectively, illustrating the lid (20).

For example, in the illumination unit (10) illustrated in FIG. 19, a lid (20) illustrated in FIG. 21 is provided above the opening of the light source (11), which is the main body illustrated in FIG. Provided. The lid (20) is detachable by, for example, screwing, and can be easily removed by removing a screw at the time of maintenance or the like, and of course, prevents wood chips and the like from entering the inside of the light source (11). Thus, the occurrence of damage to the light source (3) and the substrate can be suppressed.

The illumination unit (10) does not include the wiring guide portion (12) as illustrated in FIGS. 12 and 13, and instead has the lid (20). A wiring opening (21) is provided in the rear part, and when the lid (20) is attached to the main body part, the electric wiring (61) extending to the rear side is connected to the wiring opening (21).
And the upper edge of the light source (11). As a result, the electric wiring (6
1) can be prevented from being excessively pulled and causing damage to the substrate and the like inside the main body. In order to secure such a tension stopping function, the wiring opening (2
1) needs to be smaller than the cord diameter of the electric wiring (61). It goes without saying that the above-mentioned wiring guide portion (12) may be provided together with the wiring opening (21).

When the above-mentioned lighting unit (10) is attached to each step, it is necessary to provide a depression (81) in the tread (2). For example, FIG.
As illustrated in (b), the concave portion (81) is displaced from a desired position at the time of processing / cutting the tread plate (2), and the lighting unit (10) is moved to a desired position (substantially the center position, left and right shift, etc.). It may not come.

In order to correct this positional deviation, for example, as shown in FIG. 23, the concave portion (81) has a size in which the illumination unit (10) has a margin, that is, the illumination unit. Light source unit (1) of unit (10)
It is preferable to process the material so that the size is somewhat longer than the width in 1). Thereby, for example, FIG.
As illustrated in FIG. 4, the positions of the illumination units (10) in each stage are adjusted to the left and right and aligned to secure a constant irradiation range in each stage and further improve the design. This position adjustment can be performed arbitrarily without post-processing the tread plate (2) even after being fixed once since the illumination unit (10) itself is detachable.

Of course, the opening (82) provided in the riser (7) (in the case of the lighting unit (10) in FIG. 19), there is no wiring guide (12), so the opening for the electric wiring (61) is provided. Similarly, it is preferable that the dimensions have some allowance so that the position can be adjusted. The present invention is not limited to the above examples, and various embodiments can be made in detail.

[0041]

As described in detail above, the lighting stairs of the present invention allow each step to have an area on a tread plate on which a person normally puts his or her feet when going up and down the stairs without deteriorating the design of the stairs. It can be illuminated effectively to increase the visibility of the edge of the tread, making it easier and more reliable to recognize the boundaries of each step. It will be greatly improved.

[Brief description of the drawings]

FIGS. 1A and 1B are a perspective view and a sectional view, respectively, illustrating an illumination staircase according to an embodiment of the present invention.

FIGS. 2A and 2B are diagrams showing an embodiment in which a light source is located at a position closer to the left and right from a substantially center position.

FIG. 3 is a plan view exemplifying a range in which a person places his / her feet on a tread when climbing up and down stairs;

FIGS. 4A and 4B are a cross-sectional view and a plan view, respectively, illustrating an illumination range on a tread in an illumination staircase of the present invention.

FIG. 5 is a front view illustrating a flat type LED.

FIG. 6 is a front view illustrating a dome lens type LED;

FIG. 7 is a view showing another embodiment of the lighting staircase of the present invention.

FIGS. 8A and 8B are a perspective view and an AA line cross-sectional view, respectively, showing an example of a lighting unit.

FIGS. 9A and 9B are plan views each illustrating an illuminance distribution on a tread in an illumination staircase of the present invention.

FIG. 10 is a perspective view showing an example of a power supply controller.

FIG. 11 is a perspective view showing an example of attachment of a power supply controller.

FIGS. 12A and 12B are an upper plan view and an OO ′ line cross-sectional view, respectively, illustrating an example of a lighting unit.

FIGS. 13A, 13B, and 13C are an upper plan view, a cross-sectional view taken along a line PP ′, and a rear view, respectively, illustrating an example of a lighting unit in which a light source and wiring are not incorporated.

FIG. 14 is a perspective view showing an example of attachment of the lighting unit to the stairs.

FIG. 15 is a cross-sectional view and a lower plan view illustrating the lighting unit after the stairs are mounted.

FIG. 16 is a perspective view showing an example of a width dimension between an illumination unit and an opening of a riser.

FIG. 17 is a perspective view showing an example of a reconnection when forgetting to connect an electric wiring.

FIG. 18 is a transparent side view showing an example of mounting and wiring of a lighting unit to each stage.

FIGS. 19 (a), (b), and (c) are a side view, a rear view, and a bottom plan view, respectively, showing an example of a lighting unit having a lid.

FIG. 20 shows (a), (b), (c), (d), and (e), respectively.
FIG. 20 is a bottom plan view, a front view, an upper plan view, a rear view, and a side view illustrating a main body of the lighting unit in FIG. 19.

FIGS. 21 (a), (b), (c), and (d) each show the state shown in FIG.
Lower plan view, front view, which illustrates the lid of the lighting unit,
It is an upper plan view and a side view.

FIGS. 22 (a) and (b) are a perspective view and a front view, respectively, showing an example of a tread and a lighting stair after construction according to the present invention.

FIG. 23 is a bottom plan view showing one embodiment of the lighting staircase of the present invention in which the width direction position of the lighting unit is adjustable.

FIG. 24 is a front view showing an example of the lighting staircase of the present invention when the positions of the lighting units are aligned.

FIG. 25 is a perspective view showing an example of a conventional lighting fixture buried under a wall.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stairs 2 Step board 21 Front edge part 22 Top part 3 Light source 4 Handrail 5 Side plate 51 Wooden bar 6 Power supply controller 61 Electric wiring 62 Harness connector 63 Lighting / light-out switching sensor 64 VVF cable 7 Kick-in plate 71 Screw 8 Continuous space 81 Depression Unit 82 Opening 9 Wire 10 Lighting Unit 11 Light Source 12 Wiring Guide 13 Hanging Plate 14 Dome Lens LED 15 Lighting Window 16 Diffusion Cover 17 Lead Wire 18 Wood Screw 19 Screw Hole 20 Cover 21 Wiring Opening

──────────────────────────────────────────────────続 き Continuing on the front page (72) Yoshio Takada, Inventor, Matsushita Electric Works Co., Ltd., 1048, Kazuma, Kadoma, Osaka Prefecture 56) References JP-A-10-269841 (JP, A) JP-A 54-94012 (JP, U) JP 5-14978 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) F21V 33/00 E04F 11/16

Claims (6)

(57) [Claims] 1. A light source have gills prepare for the front lower surface of the step board
Power controller for light source with transformer
There is provided with the rear surface portion of the riser plate, the light source, the lower stepping plate upper surface, to the extent that at least human put feet, dark its front edge portion, so that portions other than the front end edge portion becomes bright A lighting staircase characterized by being illuminated. 2. The lighting staircase according to claim 1, wherein the light source is provided at a substantially central position on a lower surface of a front end portion of the tread plate. 3. The lighting staircase according to claim 1, wherein the light source is provided leftward or rightward from a substantially central position on a lower surface of a front end portion of the tread plate. 4. The lighting staircase according to claim 1, wherein a plurality of light sources are provided. 5. The illumination staircase according to claim 1, wherein a flat type LED or a dome lens type LED is provided as a light source. 6. A light source power control - lights La and off switching
Lighting stairs claim 1 modified sensor are al provided.