JPH09259602A - Signal lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a signal lamp which can be miniaturized without reducing the size of its screen. SOLUTION: This signal lamp includes filter housing parts 24a and 24b on both sides of an electric lamp projecting a light on a screen positioned in a casing. Arms 8a and 8a having filter fastening parts are supported to be freely rotated around rotation axes thereof. In a filter 15, one end parts of a transparent film having flexibility are fastened to the arms 8a and 8a respectively, and the other end parts thereof are housed in the filter housing parts 24a and 24b respectively so as to be freely drawn therefrom. Gears 40a and 40b are fastened to the arms 8a and 8a. A display color switching knob 9 is used when the other end parts of the transparent film in the filter 15 are drawn from the filter housing parts 24a and 24b. A display color switching rack 11 having gear parts 11ga and 11gb located on both the end parts respectively in an axial direction moves with the display color switching knob 9 operated to be moved. The gear parts 11ga and 11gb can be engaged with each other so as not to be synchronized with the gears 40a and 40b. Springs 25 and 25 are provide in such a manner that the arms 8a and 8a cannot be rotated around the rotation axes thereof towartd the filter housing parts 24a and 24b on the opposite side unless the knob 9 is switched in a condition where the both end parts are fastened between the arms 8a, 8a and the casing respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signaling lamp carried by a conductor for hand signals and signaling in transportation such as railways.

[0002]

2. Description of the Related Art A conventional signaling light of this type is shown in FIG.
Like lever 50, red color plate 51, green color plate 5
2, a light bulb 53, a reflecting mirror 54, and an elongated hole member 56. The lever 50 is rotatably supported around a fulcrum 55, a pin 57 constituting an action point is fixed in the middle of the lever 50, an elongated hole member 56 is inserted through the pin 57, and the elongated hole member 56 is inserted into the elongated hole member 56. Rolling plate 5 rotatably supported by a fulcrum 58 supported by a fixing member (not shown)
The ends of 1, 52 are fixed.

In such a structure, the light bulb 53
When the color-changing plates 51 and 52 do not exist on the front side of the reflecting mirror 54, a white illumination state is established, and the red color-changing plate 51 is rotated to the front side of the light bulb 53 and the reflecting mirror 54 by operating the lever 50. Then, the red illumination state is set, and further, by operating the lever 50, the green color changing plate 52 is moved to the light bulb 53 and the reflecting mirror 5.
When it is rotated to the front side of No. 4, it becomes a green illumination state.

[0004]

As described above, the color-changing plate 5 is used.
Since the reference numerals 1 and 52 are flat plates and are rotated toward the reflecting mirror 54 side having the light bulb 53,
It is necessary to take a large space for accommodating 1,52, and as a result, the entire size cannot be reduced. In order to improve this, it is conceivable to make the color-changing plates 51 and 52 small, but the portion (front side) covering the light source 53, for example, the screen becomes small, and therefore the reflecting mirror 54 cannot be made large. An object of the present invention is to provide a signal light that can be downsized without reducing the size of the screen.

[0005]

In order to achieve the above-mentioned object, the invention according to claim 1 provides a light transmitting portion provided on a wall surface of a case with light from a light source arranged in the case,
In a signal light in which light is emitted through a filter or the light from the light source is directly transmitted through the light transmitting portion without passing through the filter, a colored transparent film having flexibility is used as the filter, and the colored The transparent film is a signal light that can be pulled out from the filter storage portion arranged in the case.

In order to achieve the above-mentioned object, the invention according to claim 2 is such that a signal lamp body is housed therein and has a light transmitting portion for transmitting light on the front side, and the case is disposed inside the case. A light source that irradiates the light-transmitting portion with light, and first and second filters that are disposed inside the case and on both sides of the light source and that have flexibility and that are made of transparent films of different colors are drawn out. First and second filter accommodating portions, and a filter fixing portion for fixing one end of each filter inside the case so as to be rotatable and the other end for fixing the end of each filter. Display color switching capable of transmitting the rotational driving force to each of the arms and a part of the wall surface of the case so as to be movable in a predetermined direction, and to each end of the arms opposite to the side having the filter fixing portion. With knob It is a signal lamp.

In order to achieve the above object, the invention according to claim 3 is such that a signal lamp main body is housed therein, and a case having a light transmitting portion for transmitting light on the front side, and a detachable arrangement inside the case. A white light bulb that irradiates the light transmitting portion with white light, a reflecting mirror that reflects the white light from the white light bulb and irradiates the light transmitting portion, and inside the case, on both sides of the light bulb. The first and second filter accommodating portions provided and the first and second filter accommodating portions in which the one end portion side is rotatably supported by the same rotation shaft inside the case and the other end portion has a filter fixing portion. A second arm,
Each of the transparent films has a different color and has one end fixed to the filter fixing portion of the first and second arms, and the other end of the transparent film drawn into the filter storage portion. First and second filters that can be stored, first and second gears that are fixed to one end of each arm, and a part of the wall surface of the case that is movable in a predetermined direction And a display color switching knob used when pulling out the filter, and moves along with a movement operation of the display color switching knob,
A display color switching rack having gear parts at both ends in the axial direction, and both end parts are fixed between the arms and the case so that they can mesh with each other at different timings from the first and second gears. A signal light including first and second springs that prevent the arms from rotating toward the filter housing portion of the other side except when the display color switching knob is switched.

According to the inventions corresponding to claims 1 to 3, it is possible to provide a signal light which can be downsized without reducing the size of the screen. In order to achieve the above object, the invention according to claim 4 is characterized in that the filter housing portion is formed in a deformed U-shape so that the filter does not come into contact with the entire surface by using a wire rod. The signal light according to claim 3.

According to the invention corresponding to claim 4, in addition to the effects of claims 1 to 3, the contact resistance is smaller than that of the filter in which the surface contact is made, and the operation of the filter becomes smooth.

In order to achieve the above object, the invention according to claim 5 is characterized in that the filter has a shape on an end portion side which is an end portion on the opposite side to the filter fixing portion and is inserted into the filter housing portion. The signal light according to claim 2 or 3, wherein the signal light is formed in a tapered shape.

According to the invention corresponding to claim 5, in addition to the actions of claims 1 to 3, the winding characteristic when the filter is returned to the filter housing portion is improved. In order to achieve the above object, the invention corresponding to claim 6 is the arm,
3. A protrusion is formed near the gear of the spring to prevent the spring disposed between the arm and the case from falling due to vibration applied to the signal light main body or the like. The signal light according to claim 3.

According to the invention corresponding to claim 6, in addition to the effects of claims 1 to 3, it is possible to prevent the spring from dropping even if vibration or the like is applied to the signal light main body. In order to achieve the above object, the invention according to claim 7 provides a planar or three-dimensional mark near the display color switching knob and on the case surface corresponding to the display color of the filter. The signal light according to claim 2 or claim 3. Claims 1-3
According to the invention corresponding to the above, in addition to the effects of claims 1 to 3, since the cue color by the filter can be confirmed, the cue work can be reliably performed.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view of a signaling lamp according to the present invention, and FIG. 2 is a perspective view showing a state in which a battery replacement cover and a lamp replacement cover, which are parts of the signaling lamp, are removed, and FIGS. e) is a top view, a side view, a front view, a bottom view and a rear view, respectively. 4 is an enlarged cross-sectional view taken along line C-C of FIG. 3 (e), and FIG. 5 is a cross-sectional view taken along line D-D of FIG. FIG. 6 is an enlarged cross-sectional view taken along line AA of FIG. 3C, and FIG. 7B-B of FIG.
9 is an enlarged cross-sectional view taken along line B, FIG.
FIG. 6B is an enlarged sectional view taken along line EE and line FF in FIG. 5, respectively.

The signal light according to the embodiment of the present invention is generally configured as follows. That is, a main body (front side) case 1 having a screen 14 which is a light transmitting portion for transmitting light to the front side, a main body (rear side) case 2 for accommodating a signaling lamp main body, and detachable cases 1 and 2 , A white light bulb 28 that irradiates the screen 14 with white light, a reflecting mirror 13 that reflects the white light from the white light bulb 28 to irradiate the screen 14, and the inside of the cases 1 and 2 of the light bulb 28. First and second filter accommodating portions 24a and 24b arranged on both sides, and cases 1 and 2, respectively.
Inside, one end side is rotatably supported by the same rotating shaft, and the other end side is an L-shaped filter fixing part 8
First and second arms 8a, 8 having af, 8bf
b and a transparent film made of, for example, a polycarbonate resin having different red and green flexibility, one end of which is fixed to the filter fixing portions 8af and 8bf of the first and second arms 8a and 8b, respectively. First and second filters 15 and 1 in which the other end portions of the film are retractably stored in filter storage portions 24a and 24b, respectively.
6 and first and second gears 40, which are fixed to one end side of each arm 8a, 8b and are made of, for example, a pinion.
a, 40b and a display color switching knob 9 that is provided on a part of the wall surface of the case 1 so as to be movable in a predetermined direction and is used when pulling out the filters 15 and 16, and with the movement of the display color switching knob 9. Move and move the first and second gears 40a, 40
b, the display color switching rack 11 having gear portions 11ga, 11gb at both ends in the axial direction, and both ends fixed between the arms 8a, 8b and the case 1 so that they can be engaged with each other at different timings. , Display color switching knob 9
The first and second springs 25, 25 are provided so that the arms 8a, 8b do not rotate toward the mating filter storage portions 24b, 24a except when switching is performed.

Other than this, the battery replacement cover 3, the lamp replacement cover 4, the internal chassis (upper side)
5, internal chassis (lower side) 6, connection unit 7, power switch knob (power SW knob) 10, power SW plate 12, battery electrodes 17, 18, power SW electrode 19, light bulb electrodes 20, 21, filter Presser 22, strap clasp 23, W ring 26, strap 27, light bulb 2
8, battery 29, manufacturing name plate 30, company name plate 31, management name plate 3
2, display color seals 33 and 34, a blind filter 35, an electric wire (crossover) 37, and a pole 38.

As the battery 29, for example, two AA alkaline manganese batteries are used, and these are connected in series.
A krypton miniature light bulb is used as the light bulb 28. The battery 29, the light bulb 28, and the switch are electrically connected in series. The switch is located on the upper left of the back of the main unit
When the W knob 10 is pushed up, the light bulb 28 lights up.

Two batteries 29 are built in the grip of the main body. As shown in FIG. 2, the battery replacement cover 3 is detachably attached with a screw. The light bulb 28 is built in the upper part of the back surface of the main body. Like the battery cover 3, the light bulb replacement cover 4 is detachably attached by a screw on the upper surface of the back surface of the main body.

The battery electrodes 17 and 18 are electrodes that come into contact with the battery 29, and the electrodes are attached to the main body so as to be placed between the two batteries 29. The connection from the electrode 17 to the switch movable side electrode 19 and the bulb electrode 21 is soldered by a lead wire (not shown).

The switch is composed of a movable side electrode, a fixed side electrode, and a power source SW knob 10. The power source SW knob 10 slides to the right in the figure to push the movable side electrode downward and bring it into contact with the fixed side electrode. Turn on 28.
The fixed electrode contacts the light bulb and further presses the light bulb into the light bulb mounting hole of the reflecting mirror. The bulb electrode 20 is attached along the wall of the bulb mounting hole of the reflecting mirror 13,
The tip is sandwiched between the light bulb 28 and the reflecting mirror 13 and comes into contact therewith.

The optical system includes a light bulb 28 as a light source and a reflecting mirror 1.
3, the color filters 15 and 16, and the resin screen 14. The reflecting mirror 13 is made of resin, and is made into a mirror shape by plating formed on the surface to reflect the light.
A light bulb 28 is removably attached to the.

The light reflected by the parabolic surface of the reflecting mirror 13 using the light bulb 28 as a light source is radiated through the screen 14 as green or red light color by the color filters 16 and 15.
When the color filters 15 and 16 are not provided, the white color reflected by the reflecting mirror 14 is emitted through the screen 14. Further, the direct light from the light bulb 28 (the light emitted directly to the front without being reflected by the reflecting mirror) is also emitted through the color filters 15 and 16 and the screen 14.

The characteristics of the color filters 15 and 16 are determined by the chromaticity and the transmittance. The color filter used is a resin film made of two types of films, red and green. Regarding the chromaticity, when an incandescent light source of 2854K is used as a light source, in the chromaticity shown in FIG. 4-5, the red filter and the green filter are the red coordinate range and the red coordinate range shown in the chromaticity coordinates of the page. The one with the characteristic that is in the green coordinate range is used. Regarding the transmittance, the A light source (2845
When K) is used, a color filter having characteristics equal to or higher than the value shown in the transmittance is used.

The main body cases 1 and 2, the battery replacement cover 3, the lamp replacement cover 4, the internal chassis 5 described above.
6, the connection unit 7, the filter arms 8a and 8b, the display color switching knob 9, the power SW knob 10, and the pole 38 are made of, for example, Noryl resin, and the display color switching rack 11 is provided.
The power supply SW plate 12 is made of, for example, Duracon, the reflecting mirror 13 and the screen 14 are made of, for example, acrylic resin, and the filters 15, 16 and the blind filter 35 are made of, for example, polycarbonate resin.

Here, a color changing mechanism that allows the filters 15 and 16 to be pulled out from the filter housing portions 24a and 24 will be described with reference to FIGS. The color changing mechanism has gears 40a and 40b at one end and filter arms 8a and 8b each having a filter winding portion at the other end.
A display color switching rack 11 that moves in a linear direction by operating the display color switching knob 9 and meshes with the gears 40a and 40b, and a color filter (red) 15 made of a red heat-resistant resin transparent film. , A color filter (green) 16 formed of a green heat-resistant resin transparent film,
The color filters (red) 15 and the color filters (green) 16 are arranged between the color filter housing (guide wire) 24a for housing the color filters (green) 16 and the filter arms 8a and 8b. Part 24
a, 24b is not pulled out, that is, FIG.
A spring 25 for maintaining a white display state as shown in (a)
It is composed of First, the operation principle of the color transfer mechanism will be described with reference to FIG. FIG. 9 shows the red color changing mechanism. In the white display state, the color switching knob 9 and the rack 11 are in the state shown in FIG. At this time, the arm 8a for driving the red filter 15 is at the position indicated by the solid line, and the spring 2
5 is fixed so as not to move in the direction of 8 ap.

Next, when the color switching knob 9 and the rack 11 are slid to the left in FIG. 9, the rack 11 and the gear 40a of the arm 8a mesh with each other, and the arm 8a pulls out the red filter 15 from the color filter storage chamber 24a. Move in the direction of 8 ap. When the arm 8a goes beyond the position 42, the spring 25 acts to push the arm 8a toward the direction 8ap, and the red filter 15 is completely pulled out from the color filter storage portion 24a and fixed at the position 8ap. At this time, the gear 11ga of the rack 11 and the gear 40a of the arm 8a move to the left end position of the color switching knob 9 while meshing with each other.

Next, when the color switching knob 9 and the rack 11 are returned to the right, the red filter 15 and the color filter storage section 24 are moved from the position where the arm 8a is at 8ap to the solid line position at 8a.
Move while pushing into a. When the arm 8a exceeds the position of 41a, the force of the spring 25 causes the arm 8a to completely move.
Returns to the position indicated by the solid line, and the red filter 25 is stored in the color filter storage portion 24a.

If the color switching knob 9 and the rack 11 are slid to the left in FIG. 9 and displayed in green, the gear 11ga is not formed on the right side of the rack 11, so that the arm 8a depends on the rack 11. It is not driven and remains in the position indicated by the solid line while being pressed by the spring 25.

The operating principle of the color-changing mechanism described above is a color-changing mechanism only for red, but the operating principle is the same for green and red. Next, with reference to FIG. 10, an actual operation of the color changing mechanism will be described.

(1) White lighting state As shown in FIG. 10A, the color changing operation is interlocked with the display color switching rack 9 by sliding the display color switching rack 11 in the lateral direction. Gear 40
The arms 8a and 8b provided with a and 40b are slid to pull out the color filters 15 and 16 from the color filter housing portions 24a and 24b in front of the light source to change the projected color. In this white lighting state, both the red filter 15 and the green filter 16 are stored in the color filter storage portions 24a and 24b.

(2) Red lighting state In the state of FIG. 10A, the rack 11 may be moved by sliding the color switching knob 9 in the center of the main body case 2 in the lateral direction of the figure. FIG. 10B is an example of the position of the color filter in the state where the display color is red. The red filter 15 may be obtained by sliding the rack 11 in the lateral direction and pulling out the red filter 15 from the color filter storage portion 24a by the arm 8a.

To return the state of FIG. 10 (b) to the white state, the arm 8a may be returned to its original position so that the color filter 15 is stored in the color filter storage portion 24a.

(3) Green lighting state In order to change from the state of FIG. 10 (b) to the green lighting state, the rack 11 is slid laterally and the green filter 16 can be pulled out from the color filter housing portion 24b by the arm 8b. Good. This state is shown in FIG.

From the state of FIG. 10 (c) to FIG.
As shown in (a), when returning to the white lighting state, the arm 8b is returned to its original position, so that the color filter storage portion 24b is returned.
The color filter 16 may be housed in.

According to the first embodiment described above, the following operational effects can be obtained. (1) As the color filters 15 and 16 used in the color changing mechanism, resin films made of, for example, polycarbonate resin are used, and the color filters 15 and 16 can be pulled out from the filter storage portions 24a and 24b. The storage space for the color filters 15 and 16 can be made smaller, and as a result, the overall outer shape can be made smaller than the conventional one described above, and white, red, and green lights can be emitted to the outside through the screen 14. (2) Of the constituent elements, most of them are made of synthetic resin. Specifically, the main body 1 and 2, the battery replacement cover 3,
The lamp replacement cover 4, the internal chassis 5, 6, the connection unit 7, the filter arms 8a and 8b, the display color switching knob 9, the power SW knob 10, and the pole 38 are made of, for example, Noryl resin, and the display color switching rack is also used. 11, the power SW plate 12 is formed of, for example, DURACON, and further the reflecting mirror 1
3, the screen 14 is made of, for example, acrylic resin, and the filters 15, 16 and the blind filter 35 are made of, for example, polycarbonate resin. Therefore, the total weight of the signal light is reduced, and specifically, the weight including the battery 29, the light bulb 28, and the spare light bulb can be reduced to, for example, about 150 g or less. (3) Dry Battery From the viewpoint of weight reduction, the internal battery uses two AA type dry batteries, but the alkaline manganese type is used as the dry battery to obtain a sufficient capacity for carrying the conductor. (4) Use a bright krypton miniature bulb for the bulb 28,
Both the bulb 28 and the battery 29 are not special ones, they are general commercial products, so they are easily available, and the prices are cheaper than special ones. (5) Since the strap 27 is provided under the grip, it can be wrapped around the wrist and the signal light can be prevented from falling. (6) The power SW knob 10 and the display color switching knob 9 are arranged on the main body (back side) 2 and can be operated with one hand.
The power SW knob 10 is arranged at a right angle to the display color switching knob 9, and the power SW knob 1 is provided on the main body (back side) 2.
Compared with the display color switching knob 9, 0 is recessed by a step, so that erroneous operation can be prevented. (7) Since the display color stickers (red and green) 33 and 34 coated with fluorescent colors are provided on the main body (rear side) for the operation direction of the display color switching knob 9, it is easy to confirm the display color. (8) The resin screen 14 is the main case (front side)
Since it wraps around both sides of 1, the display color can be confirmed from the lateral direction.

Next, another embodiment of the present invention will be described with reference to FIGS. FIG. 11 is a front view of the above-described color filter 15 (16), which has a filter fixing portion 15a (16a) on one end side and a tapered portion 15b (16b) on the other end side. Also in this case, the color filter 15 (1) is formed by the pole (made of Noryl resin) 38 and the filter holder (made of stainless steel) 22 in the same manner as described above.
6) is clamped and fixed to the arms 8a and 8b. Specifically, the pole 38 has a rectangular cross section, and a slot is formed at a tip portion (portion to be inserted into a mounting hole provided in each of the arms 8a and 8b). Further, the filter retainer 22 has a channel-shaped cross section, and the pole 38
The dimensions are such that it can be inserted into the outer peripheral surface of the.

To mount the color filter 15 (16), the tip of the pole 38 is inserted and fixed in the mounting holes of the arms 8a and 8b, and then the color filter 15 (16) is fixed to the outer peripheral surface of the pole 38. After the portion 15a (16a) is wound, the outer peripheral surface filter retainer 22 of the pole 38 including the filter fixing portion 15a (16a) is fitted to fix the color filter 15 (16).

As shown in FIG. 11, the color filter 15 (16)
The filter storage portion 24a (24
Entrainment when returning to b) becomes smooth. FIG.
As the arm 8a described above, one having a projection 8at formed near the hole 8ah into which the rotary shaft is inserted as shown in FIG. 14, is used. The spring insertion hole 8as of the arm 8a and the spring hole of the case 1 (not shown) are used. When the arm 8a is located on the left side of the drawing (when the color filter 15 is not pulled out), the direction of attachment of the spring 25 provided between
The apex of the curved portion of the spring 25 is arranged to be off the arm 8a. With this configuration, the operation of the arm 8a (8b) becomes smooth. This is clear from the experimental results.

FIG. 13 shows a projection 33 around the display color sticker 33 of the main body case 2 (the side having the lamp replacement cover 4).
A plurality of a's (here, four) are formed. With this configuration, the display color sticker 3 such as at night
Even if the display color of the mark 3 is not visible, the protrusion 33a can be confirmed by touching it with a finger, which is convenient. In FIG. 13, 34 is a display color sticker and 10 is a power SW knob.

14 (a) and 14 (b) are a plan view and a front view showing another embodiment of the arm 8a, respectively. The difference from the above-mentioned arm 8a is that the rotary shaft of the arm 8a is inserted. The projection 8at is formed near the hole 8ah. By doing so, it is possible to prevent the spring 25 from dropping even if vibration or the like is applied to the signal light main body. In addition, 8ai is a hole for inserting the pole 38, and 8as is a hole for inserting the end portion of the spring 25.

[0040]

According to the present invention described above, it is possible to provide a signaling lamp which can be downsized without reducing the size of the screen.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a signaling lamp according to the present invention.

FIG. 2 is a perspective view when the battery replacement cover and the lamp replacement cover of FIG. 1 are removed.

3 (a), (b), (c), (d) and (e) are a top view, a left side view, a front view, a bottom view and a right side view of the signal light of FIG. 1, respectively.

FIG. 4 is a cross-sectional view taken along the line C-C of FIG. 3 (e) and seen in the arrow direction.

5 is a cross-sectional view taken along the line D-D in FIG. 4 and seen in the arrow direction.

FIG. 6 is a cross-sectional view taken along the line AA of FIG. 3C and seen in the arrow direction.

FIG. 7 is a cross-sectional view taken along line BB in FIG. 3C and viewed in the direction of the arrow.

8A and 8B are EE and F- of FIG. 5, respectively.
Sectional drawing cut | disconnected along F line and seen in the arrow direction.

FIG. 9 is a view for explaining the operation principle of the color transfer mechanism.

10A, 10B, and 10C are perspective views showing different operating states of the color transfer mechanism of FIG.

FIG. 11 is a diagram for explaining another embodiment of the filter used in the present invention.

FIG. 12 is a view for explaining another embodiment of the arm and the spring used in the present invention.

FIG. 13 is a view for explaining another embodiment of the main body case used in the present invention.

FIG. 14 is a view for explaining another embodiment of the arm used in the present invention.

FIG. 15 is a diagram for explaining a problem of a conventional signaling light.

[Explanation of symbols]

1 ... Main body (front side) case, 2 ... Main body (rear side) case, 3 ... Battery replacement cover, 4 ... Lamp replacement cover,
5 ... Internal chassis (upper side), 6 ... Internal chassis (lower side), 7 ... Connection unit, 8a, 8b ... Arm, 10 ...
Power switch knob (power SW knob), 11 ... Display color switching rack, 11ga, 11gb ... Gear part, 12 ... Power source S
W plate, 13 ... Reflector, 14 ... Screen, 15,
16 ... Color filter (color filter), 17, 18 ... Battery electrode, 19 ... Power supply SW electrode, 20, 21 ... Light bulb electrode, 22 ... Filter retainer, 23 ... Strap stopper, 24a, 24b ... Filter storage Part, 25 ... spring, 2
6 ... W ring, 27 ... Strap, 28 ... Light bulb, 29 ...
Battery, 30 ... Manufacturing nameplate, 31 ... Company nameplate, 32 ... Management nameplate, 33, 34 ... Display color sticker, 35 ... Blind filter, 3
7 ... Electric wire (crossover), 38 ... Pole, 40a, 40b ...
gear.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Daizo Kato 1-4-1, Mei Station, Nakamura-ku, Nagoya, Aichi Prefecture Tokai Passenger Railway Co., Ltd. (72) Hirofumi Sato 3-chome, Kichijoji, Higashi-cho, Musashino-shi, Tokyo 21-10 No. 10 Research Institute of Electrical Science, Ltd. (72) Inventor Masaru Kida 1-1-1 Shibaura, Minato-ku, Tokyo Inside Toshiba Head Office

Claims (7)

[Claims] 1. A light transmitting portion provided on a wall surface of a case is irradiated with light from a light source arranged in the case through a filter, or light from the light source is directly passed through the filter without passing through the filter. In the signal light adapted to be transmitted through the signal light, a colored transparent film having flexibility is used as the filter, and the colored transparent film can be pulled out from a filter storage portion arranged in the case. 2. A case for accommodating a signaling lamp body and having a light transmitting portion for transmitting light on the front side, a light source arranged inside the case for irradiating the light transmitting portion with light, and inside the case. And a first and a second filter storage portion that is disposed on both sides of the light source and that stores filters that are flexible and that are made of transparent films of different colors so that they can be drawn out, and inside the case. First and second arms each having one end rotatably supported and the other end having a filter fixing portion for fixing an end of each filter, and a predetermined direction on a part of a wall surface of the case. And a display color switching knob capable of transmitting a rotational driving force to each of the ends of the arms opposite to the side having the filter fixing portion. 3. A white light bulb that houses a signal light body and has a light transmitting portion that transmits light on the front side, and a detachably disposed inside the case, and irradiates the light transmitting portion with white light. A reflecting mirror for reflecting white light from the white light bulb to irradiate the light transmitting portion, and first and second filter housing portions arranged inside the case on both sides of the light bulb, respectively. Inside the case, one end side is rotatably supported by the same rotation shaft, and the other end side has a first and a second arm having a filter fixing part, and flexibility of different colors is provided. A transparent film having a first end fixed to each of the filter fixing portions of the first and second arms and the other end of the transparent film retractably stored in the filter storage portion. Yo A second filter, first and second gears fixed to one end side of each arm, and a part of a wall surface of the case movably in a predetermined direction. A display color switching knob to be used, and the display color switching knob moves along with a movement operation of the display color switching knob so that the first and second gears can mesh with each other at different timings.
Display color switching racks each having a gear portion at both ends in the axial direction, and both ends are fixed between the arms and the case, respectively, except when the display color switching knob is switched A signal light comprising: a first and a second spring which are prevented from rotating toward the filter storage portion side of the other side. 4. The signal light according to claim 2, wherein the filter housing portion is formed in a deformed U-shape so that the filter does not come into contact with the entire surface by using a wire rod. 5. The filter according to claim 2, wherein the filter has a tapered shape on the end side that is the end opposite to the filter fixing part and is inserted into the filter housing part. The signal light according to claim 3. 6. The arm, wherein a protrusion is formed near a gear of the arm so that a spring disposed between the arm and the case can be prevented from falling due to vibration applied to the signaling lamp body. The signal light according to claim 2 or 3, characterized in that 7. A flat or three-dimensional mark corresponding to the display color of the filter is provided on the case surface near the display color switching knob.
The signal light described.