JP3902923B2 - Floodlight - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a floodlight used as night lighting for road construction or sports facilities, and more specifically, a floodlight equipped with a balloon-type lighting fixture with a built-in light bulb inside a balloon inflated by air supply means. About.
[0002]
[Prior art]
Conventionally, as a floodlight used for night lighting in road construction and sports facilities, a telescopic column is installed on a dolly equipped with a generator, and the light from the light bulb is reflected by a reflector on the upper end of the telescopic column. Those equipped with lighting fixtures that project toward are known.
By the way, it goes without saying that it is preferable that the light emitted from this type of projector is brighter. However, in road construction, etc., the light may interfere with the driver of the passing vehicle. There is a demand for improvement in the use of
[0003]
In order to solve such a problem, the applicant of the present application installed a telescopic support column on a dolly mounted with a generator, and built a light bulb in a balloon inflated by an air supply means at the upper end of the expandable support column. A new floodlight equipped with a balloon-type lighting fixture was proposed and filed earlier (see Japanese Patent Application No. 2001-150911).
The balloon-type floodlight of the prior application alleviates glare by indirectly illuminating the light from the bulb inside the balloon through the balloon, and the floodlight is applied to the driver of the passing vehicle in road construction etc. There is an advantage that there is no fear of getting in the way.
[0004]
[Problems to be solved by the invention]
By the way, when the technical contents of the balloon-type floodlight of the earlier application mentioned above were examined in detail, there was room for improvement in the following points.
In other words, this type of balloon-type floodlight only functions as a lighting fixture as described above when nothing is displayed on the peripheral surface of the balloon, but “under construction” and “caution” are provided on the peripheral surface of the balloon. characters such as "was displayed by such as printing it is thought that prompt attention to the driver of a passing vehicle. However , in the conventional balloon projector, the upper circular sheet material forming the upper half of the balloon and the lower circular sheet material forming the lower half of the balloon are sewn together to form the balloon. Therefore, when the balloon is inflated, wrinkles are generated on the peripheral surface of the balloon, and the characters displayed on the peripheral surface of the balloon may not be read.
In order to solve this problem, it is conceivable that the balloon peripheral surface is formed in a substantially terrestrial shape composed of a plurality of divided sheet materials divided in the meridian direction so that wrinkles do not occur. The sheet materials must be sewn together, resulting in a problem that the production of the balloon takes time and cost.
[0005]
Balloons are usually made of a synthetic resin sheet having a light emitting property. However, it is necessary to replace the balloons every predetermined period because of deterioration due to outdoor use or heat generation from a light bulb. The balloon-type floodlight of the application is configured so that the upper and lower ends of the frame surrounding the bulb and preventing the contact between the balloon and the bulb sandwich the upper and lower center portions of the balloon with upper and lower circular plates, respectively. Since the upper and lower circular plates are fixed to each other with bolts and nuts, there is a problem that it takes time to replace the balloon.
[0006]
Further, in the balloon type projector of the prior application, the frame body is made of a wire net-like frame body, and there remains a problem in strength for long-term use or use under strong wind conditions.
Furthermore, the balloon-type floodlight of the earlier application is configured as a dedicated machine for balloon-type lighting fixtures. A telescopic support column is installed on the carriage on which the generator is mounted, and the light from the bulb is reflected at the upper end of the telescopic support column. Owners of conventional floodlights equipped with lighting equipment that projects light forward with a board must purchase a balloon-type floodlight separately, with two sets of generators, carts, and telescopic struts. Will own.
[0007]
In view of such circumstances, the present invention eliminates the above-described conventional problems in a balloon-type floodlight that is unlikely to interfere with a driver of a passing vehicle during road construction or the like. The objective is to provide a new balloon-type floodlight with good and high commercial value.
[0008]
[Means for achieving the object]
In order to achieve the above object, a projector according to the present invention has a telescopic support column installed on a carriage on which a generator is mounted, and is equipped with a lighting device at the upper end of the expansion column. A balloon, air supply means for inflating the balloon by sending air into the balloon, and a light bulb built in the balloon, the balloon having a cylindrical body, for example, a substantially drum shape, It is formed into a substantially frustoconical shape, an inverted frustoconical shape, or the like, and is characterized in that it does not cause wrinkles in the barrel when the balloon is inflated.
According to such a configuration, when the balloon is inflated, there is no wrinkle on the body, so when characters such as “under construction” and “caution” are printed on the outer peripheral surface of the balloon , It can alert the driver of the vehicle. When these characters are not displayed, only the function as a lighting fixture is exhibited.
[0009]
Characters, graphics and the like can be displayed on the body of the balloon, and various display methods such as printing, pasting and coloring can be considered.
[0010]
The balloon includes a cylindrical body forming sheet material that opens up and down, and an upper surface side and a lower surface side that are sewn to the body forming sheet material so as to close the upper and lower openings of the body forming sheet material. By using the circular sheet material, it is possible to reduce the effort and cost of balloon production.
[0011]
In the projector according to the present invention, a telescopic support column is erected on a carriage on which a generator is mounted, and a lighting device is mounted on the upper end of the expansion column. The lighting device includes a balloon and air in the balloon. Is formed from an air supply means for inflating the balloon, a light bulb built in the balloon, and a frame surrounding the light bulb. The frame has an upper end at the center of the upper surface of the balloon and a lower end. It is arranged to stand up to the inner center position of the balloon by detachably fixing the part to the central part of the lower surface of the balloon,
In addition, the fixing means for the center of the upper surface of the balloon with respect to the upper end of the frame is formed by the engaging means that is detachably engaged with the upper end of the frame by operation from the outside of the balloon. The fixing means is formed by a fastener-type connecting means that opens and closes by operation from the outside of the balloon,
The balloon is mounted on the frame in a replaceable manner.
[0012]
According to such a configuration, the engagement means is engaged / disengaged on the balloon upper surface side, and the fastener is opened / closed on the balloon lower surface side, whereby the balloon can be easily attached to and detached from the frame body.
[0013]
In addition, the frame has an upper end plate that is detachably fixed to the central portion of the upper surface of the balloon, a lower end plate that is detachably fixed to the central portion of the lower surface of the balloon, and a plurality of pipes that rise between the upper and lower plates. In the case of a structure consisting of a strut and a wire mesh protective frame that is detachably mounted between adjacent pipe struts, the strength is significantly improved when compared to a wire mesh frame, under bad weather and long-term The structure can withstand use.
[0014]
In addition, when formed so as to be selectively equipped with a balloon-type luminaire that incorporates a light bulb in a balloon inflated by an air supply means, and a luminaire that projects the light of the light bulb toward the front by a reflector, By selecting any one of the lighting fixtures and mounting the telescopic support column, it is possible to obtain an appropriate light projection according to the purpose of use or the place of use.
[0015]
In addition, when a light-shielding means that can arbitrarily select and set a light projection range from the balloon is provided outside or inside the balloon, the light projection range from the balloon can be arbitrarily set, for example, a road When a projector is installed at the end, it is possible to block light from being projected to a private house or the like located on the back side.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment will be described with reference to the drawings.
As shown in FIG. 1, the projector of this example is provided with a telescopic support column 2 standing on a carriage 1 on which a generator 3 is mounted, and equipped with a balloon-type lighting fixture 4 at the upper end of the expandable support column 2. The luminaire 4 protects the balloon 5, a blower device 6 as an air supply means for inflating the balloon 5 by sending air into the balloon 5, a light bulb 7 built in the balloon 5, and the light bulb 7. The frame 8 is provided, and the light emitted from the light bulb 7 is configured to pass through the balloon 5 so that the glare is reduced and the light can be changed into gentle light.
[0017]
The carriage 1 is configured such that wheels 1-2 are pivotally supported on the front, rear, left and right of a vehicle body base 1-1 and formed so that the generator 3 with wheels can be detachably mounted. A telescopic column 2 is erected at the rear of the carriage 1. Of course, the generator 3 does not have wheels, and can be detachably or fixedly mounted on the carriage 1 and is not particularly limited.
[0018]
The telescopic support column 2 has at least one base tube column 2-1 raised on the upper surface of the rear portion of the carriage 1, and the inner diameter of the tube tube column 2-1 is successively reduced with respect to the base tube column 2-1. The middle pipe pillars, in the example shown, two middle pipe pillars 2-2 and 2-3 are slidably fitted one after the other so that they can be slid up and down. By sliding, the height of the lighting fixture 4 can be changed and set appropriately.
[0019]
The lower end portion of the connection column 10 is detachably connected to the upper end of the intermediate column 2-3 via the joint member 9, and the lighting fixture 4 installed at the upper end of the connection column 10 is connected to the telescopic column 2. It is configured to be detachable.
Joint members 9 are not shown, but provided with a connector for plug-in connection to the connector 11a of the feeding cable 11 for feeding power to the lighting fixture 4. The connector communicates with the generator 3 via the cable 12 and supplies the power supplied from the generator 3 to the blower 6 and the light bulb 7 of the lighting fixture 4.
[0020]
The raising / lowering means for sliding up and down the middle tube pillars 2-2 and 2-3 of the telescopic support column 2 is not particularly limited. For example, in addition to the raising / lowering means having an appropriate number of pulleys, wires and winches, a gas damper is used as a base tube. A well-known structure with a built-in column 2-1 that uses the repulsive force of the gas damper to raise and lower the middle tube columns 2-2 and 2-3 with one hand is preferably used. can do.
[0021]
As described above, the lighting fixture 4 includes the balloon 5, the blower 6, the light bulb 7, the frame 8, and the like.
As shown in FIG. 2, the balloon 5 includes a cylindrical body forming sheet material 5-1 that opens up and down, and a body forming sheet that closes the top and bottom openings of the body forming sheet material 5-1. The upper and lower circular sheets are formed along the upper and lower opening edges of the body forming sheet material 5-1, consisting of circular sheet materials 5-2 and 5-3 on the upper surface side and the lower surface side that are sewn to the material 5-1. By sewing the outer peripheral edges of the materials 5-2 and 5-3, it is formed into a substantially drum shape surrounded by a cylindrical body portion 5a and upper and lower surface portions 5b and 5c as shown in FIG. As a result, the balloon 5 is configured not to cause wrinkles on the body 5a when the balloon 5 is inflated by the operation of the blower 6, and when the display 13 such as "under construction" or "caution" is printed on the outer periphery of the body 5a , the display There is no fear that 13 will not be able to be read with a bag, and the driver of the passing vehicle can be alerted. Needless to say, when such display 13 is not performed, the display 13 functions only as a lighting fixture.
Each of the sheet materials 5-1, 5-2, 5-3 is made of a synthetic resin sheet material having desired light projecting property, weather resistance, strength, for example, nylon 66, etc., and is a horizontally long rectangular sheet. The longitudinal edges are sewn together to obtain a body forming sheet material 5-1, and each sheet material 5-1, 5-2, 5-3 is sewn together as described above. A drum-shaped balloon 5 is formed. That is, the balloon 5 can be manufactured by three sewing operations, and can be manufactured more easily and at a lower cost than a substantially globe-shaped balloon that needs to be sewn at a large number of locations.
Although not shown in the drawings, other examples of the balloon 5 that are substantially frustoconical and inverted frustoconical can also be exemplified as preferred embodiments of the present invention. In this case, the body forming sheet material 5 Needless to say, -1 is a shape obtained by developing the peripheral surface of the frustoconical shape, and the circular sheet materials 5-2 and 5-3 are shapes that constitute the upper and lower surfaces of the frustoconical shape.
[0022]
The frame 8 supports the light bulb 7 in the center of the balloon 5 and surrounds the light bulb 7 to prevent contact between the balloon 5 and the light bulb 7, as shown in FIGS. Further, the upper end plate 21 is detachably fixed to the central portion of the balloon upper surface portion 5b and the lower end plate 22 is detachably fixed to the central portion of the balloon lower surface portion 5c. The support column 23 is raised so as to rise to the center position inside the balloon 5. Specifically, the upper end portion of the connection column 10 described above is connected to the center portion on the lower surface side of the lower end plate 22, and the frame body 8 is installed at the upper end of the connection column 10. 6. Equipped with light bulb 7, etc.
[0023]
The frame body 8 will be further described. A lower support plate 24 is provided above the lower end plate 22, and the blower 6 and the temperature sensor 25 are installed on the support plate 24. The lower end plate 22 and the lower support plate 24 are provided with air holes 26 and 27 for supplying air to the blower 6 at a plurality of locations as appropriate. Reference numeral 28 denotes a cylindrical member for communicating the air hole 26 of the lower end plate 22 with the air hole 27 of the lower support plate 24.
[0024]
The blower 6 supplies air into the balloon 5 in order to inflate the balloon 5 into a predetermined shape (substantially drum-shaped in this example), and in this example, a fan motor installed in a storage shape in the balloon 5 Consists of. The temperature sensor 25 detects, for example, the occurrence of an abnormality and turns off the bulb 7 when the bulb 5 is deflated for some reason while the bulb 7 is lit and the temperature in the balloon 5 rises above a specified value. It consists of a thermostat.
An upper support plate 29 is provided below the upper end plate 21, and a socket 30 and a socket cover 31 for mounting the light bulb 7 are installed on the lower surface of the support plate 29.
Reference numeral 32 denotes a light bulb holder that supports the front end portion (lower end portion) of the light bulb 7 that is attached to the socket 30 and held downward.
[0025]
As shown in FIG. 6, the light bulb holder 32 has the inner end side of each holding piece 33 made of a plate-like spring inserted into each pipe-like column 23 so that the outer end side can be slid up and down. The holding recess 34 is formed in such a manner that the lamp tip 7a is loosely fitted by overlapping the vicinity of the portion and raising the tip upward. Each of the holding pieces 33 extends from the vicinity of the outer end of the holding piece 33 to the side, and the tip of the holding piece 33 is detachably hooked to a predetermined portion of the protective frame 40 to fix the bulb holder 32 to an appropriate height position. A locking rod 35 is provided.
[0026]
As shown in FIGS. 5 and 6, the protective frame 40 is a wire net-like frame material formed by combining a horizontal wire 41 curved in an arc shape and a vertical wire 42, and both left and right ends of the horizontal wire 41. A hooking portion 43 is formed to be bent inward and to be detachably engaged with the pipe-shaped column 23 by elasticity, and formed so as to be detachably mounted between adjacent pipe-shaped columns 23, 23. Has been.
[0027]
As shown in FIGS. 4 to 10, the upper end plate 21 of the frame body 8 has an engaging means in which the central portion of the balloon upper surface portion 5 b is detachably engaged with the upper end plate 21 by an operation from the outside of the balloon 5. The central portion of the balloon lower surface portion 5c is connected to the lower end plate 22 of the frame body 8 by fastener-type connecting means 60 that opens and closes by an operation from the outside of the balloon 5.
[0028]
The engaging means 50 is attached to the outer plate 51 so as to overlap the upper end plate 21 outside the balloon 5 and sandwich the central portion of the balloon upper surface portion 5b together with the upper end plate 21, and is rotatably attached to appropriate portions of the outer plate 51. The one-touch type engaging convex member 52 and the tip engaging portion 52a of each engaging convex member 52 are engaged by rotation in one direction of the engaging convex member 52, and are rotated by rotation in the other direction. Engagement recesses 53 formed at appropriate positions on the upper end plate 21 so as to be disengaged, and the front end engagement portions of the engagement projection members 52 are inserted into the corresponding engagement recesses 53 on the balloon upper surface portion 5b. It consists of the established through-hole 54. Then, the outer side plate 51 is set outside the central portion of the balloon upper surface portion 5b so as to overlap the upper end plate 21, and the upper end plate 21 is engaged through the front end engaging portion 52a of each engaging convex member 52 through the through hole 54. After being inserted into the recess 53, each engagement convex member 52 is rotated in one direction to engage the tip engagement portion 52a and the engagement recess 53, whereby the upper end plate 21 and the outer plate 51 are connected and fixed in a superposed manner. As a result, the balloon upper surface portion 5 b is fixed to the upper end plate 21 of the frame body 8.
From this state, each engagement convex member 52 is rotated in the other direction to release the engagement between the tip engagement portion 52a and the engagement recess 53, whereby the upper end plate 21 and the outer plate 51 can be separated, The balloon upper surface portion 5b can be detached from the frame body 8.
[0029]
The fastener-type connecting means 60 forms a sheet edge 61 made of the same material as the sheet material 5-3 forming the balloon lower surface portion 5c along the outer peripheral edge of the lower end plate 22 of the frame body 8, A tooth row 62 on one side of the fastener is formed along the outer periphery of the seat edge 61, while an opening that matches the seat edge 61 is provided in the central portion of the balloon lower surface portion 5c, and the opening edge is provided at the opening edge. A tooth portion row 63 on the other side of the fastener is formed along the same, and an opening / closing bracket 64 is provided on any one of the tooth portion rows, and both tooth row rows are opened and closed by sliding of the opening / closing bracket 64.
Thus, the sheet lower edge portion 5c is fixed to the lower end plate 22 of the frame 8 while the seat edge portion 61 and the balloon lower surface portion 5c are connected in a state where both the tooth portion rows 62 and 63 are closed. Further, from this state, when the opening / closing metal fitting 64 is slid in the opening direction to open the both teeth row 62, 63, the sheet edge portion 61 and the balloon lower surface portion 5c are separated from each other, and the balloon lower surface portion 5c is separated from the frame body 8. Detachable.
[0030]
In FIG. 11, an example in which the above-described balloon-type lighting fixture 4 and the lighting fixture 70 of a conventional projector that projects the light of the light bulb 71 forward by a reflector is selectively provided. Indicates.
That is, this projector uses the joint member 9, the connection post 10, the power feeding cable 11, the cable 12, etc. in the balloon type lighting fixture 4 and the conventional type lighting fixture 70 in common, and at the upper end of the telescopic pole 2. An insertion portion 10a into which each connecting column 10 of the lighting fixtures 4 and 70 is inserted is provided so that the respective lighting fixtures 4 and 70 can be detachably attached to the upper ends of the telescopic columns 2, respectively. Appropriate lighting fixtures can be selected according to the location.
[0031]
12 to 15 show an example in which the number of the light bulbs 7 in the balloon-type lighting fixture 4 can be changed. FIGS. 12 and 13 show the case of the single lamp described in the above example, and FIGS. Indicates the case where the expression is changed.
That is, in this example, in the socket cover 31 provided on the lower surface side of the upper support plate 20 of the frame body 8, the socket 30 can be selectively installed at one central location and four surrounding locations. In the case of a single lamp type, as shown in FIG. 13, a socket 30 is provided at one central position in the socket cover 31, and in the case of a four lamp type, as shown in FIG. Sockets 30 are provided at four locations.
[0032]
Although illustration is omitted, in each of the above-described examples, a shielding curtain, a shielding cloth, a shielding plate, a louver, and other light shielding means as disclosed in a prior application (Japanese Patent Application No. 2001-150911) by the applicant of the present application, It is preferable to equip the outside or inside of the balloon 5 so that the range of light projection from the balloon 5 can be arbitrarily selected and set.
[0033]
As mentioned above, although several examples of embodiment of the projector which concerns on this invention were demonstrated with reference to drawings, this invention is not limited to these examples, The technical thought described in each claim It goes without saying that various changes can be made in the category.
[0034]
【The invention's effect】
Since the projector according to the present invention is configured as described above, the following effects can be obtained.
(Claim 1 )
A balloon with a structure that does not cause wrinkles on the body when inflated is used. By displaying characters such as “under construction” and “caution” on the outer periphery of the balloon body by printing, etc. There are effects such as being able to call attention. In addition, since the above-described balloon is formed by mutually sewing three sheets of a cylindrical body forming sheet material and a circular sheet material on the upper surface side and the lower surface side, the balloon is manufactured. The labor, cost, etc. can be reduced.
[0036]
(Claim 2 )
Since the engagement means is engaged / disengaged on the balloon upper surface side and the fastener is opened / closed on the balloon lower surface side, the balloon can be easily attached / detached to / from the frame body. There is an effect that the replacement in the case of deterioration can be easily performed.
[0037]
(Claim 3 )
Since the frame structure is supported by a pipe-like support, the strength is significantly improved when compared with a wire mesh frame, and there is an effect that it can withstand bad weather and long-term use.
[0038]
(Claim 4 )
Since the balloon-type lighting fixture and the conventional lighting fixture can be selectively equipped, appropriate light projection according to the purpose of use and the place of use can be obtained.
[0039]
(Claim 5 )
Since the range of light emission from the balloon can be limited to the minimum necessary, for example, there is an effect that the light emission can be set with sufficient consideration for the surrounding residents and drivers of passing vehicles at the time of night road construction.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of an embodiment of a projector according to the present invention.
FIG. 2 is an exploded perspective view of a balloon.
FIG. 3 is a front view of a balloon when characters are displayed .
FIG. 4 is an enlarged front view of a frame, a light bulb, and the like installed inside the balloon.
FIG. 5 is an exploded perspective view of the frame.
FIG. 6 is a perspective view of the lower part of the frame.
FIG. 7 is an enlarged perspective view of a central portion on the upper surface side of the balloon.
FIG. 8 is an enlarged perspective view of a central portion on the lower surface side of the balloon.
FIG. 9 is a perspective view showing a state where the balloon is being attached.
FIG. 10 is a perspective view showing a state where a balloon is completely attached.
FIG. 11 is a schematic diagram of an example in which a balloon-type lighting fixture and a conventional lighting fixture are interchangeable.
FIG. 12 is an exploded perspective view of a frame body and a light bulb in a one-lamp type balloon.
13 is a bottom view of the socket cover in FIG. 12. FIG.
FIG. 14 is an exploded perspective view of a frame body and a light bulb in a four-lamp type balloon.
15 is a bottom view of the socket cover in FIG. 14. FIG.
[Explanation of symbols]
1: Bogie 2: Telescopic column 3: Generator 4: Balloon-type lighting fixture 5: Balloon 5a: Balloon trunk 5b: Balloon upper surface 5c: Balloon lower surface
5-1: Body forming sheet material
5-2,5-3: Circular sheet material 6: Blower (air supply means)
7: Light bulb 8: Frame body 13: Display 21: Upper end plate 22: Lower end plate 23: Pipe-like support column 40: Protection frame 50: Engaging means 60: Fastener type connecting means 70: Conventional luminaire

Claims (5)

Telescopic struts (2) while standing on the carriage (1) for mounting a generator (3), it is equipped with a lighting fixture (4) to the upper end of the telescopic strut,
The lighting device includes a balloon-type lighting device (4 ) including a balloon (5) , air supply means (6) for sending air into the balloon to inflate the balloon, and a light bulb (7) built in the balloon. ) der is,
The balloon has a cylindrical body (5a) having a drum shape, a truncated cone shape, or an inverted truncated cone shape , and is formed so as not to cause wrinkles in the body portion when the balloon is inflated. A floodlight,
The balloon is sewn to the body forming sheet material so as to close the upper and lower openings of the cylindrical body forming sheet material ( 5-1 ) that opens up and down, and the body forming sheet material. It consists of circular sheet materials ( 5-2 , 5-3 ) on the upper surface side and lower surface side, and characters or figures are displayed on the body (5a) of the balloon by any means of printing, pasting, or coloring (13 ) A projector characterized by being formed . The balloon (5) further includes a frame (8) surrounding the bulb, the frame having an upper end at the center of the balloon upper surface (5b) and a lower end at the balloon lower surface ( 5c) is arranged so as to be detachably fixed to the central portion of the balloon so as to stand up at the inner central position of the balloon,
The fixing means for the center of the upper surface of the balloon with respect to the upper end of the frame is formed by engagement means (50) that is detachably engaged with the upper end of the frame by an operation from the outside of the balloon. The fixing means for the center of the lower surface of the balloon with respect to the lower end is formed by fastener-type connecting means (60) that opens and closes by operation from the outside of the balloon
The projector according to claim 1, wherein the balloon (5) is mounted to the frame (8) in a replaceable manner. The balloon (5) further includes a frame (8) surrounding the bulb, and the frame includes an upper end plate (21) that is detachably fixed to a central portion of the upper surface of the balloon, and the balloon. A lower end plate (22) that is detachably fixed to the center portion of the lower surface, a plurality of pipe-like struts (23) that rise between the upper and lower plates, and a gold that is detachably attached between adjacent pipe-like struts. The projector according to claim 1, comprising a net-like protective frame (40) . The said balloon type lighting fixture (4) and the lighting fixture (70) which projects the light of a light bulb toward the front with a reflecting plate were formed so that it could selectively equip. The projector according to any one of 3 above . The light projector according to any one of claims 1 to 4, further comprising a light shielding unit that can arbitrarily select and set a light projection range from the balloon outside or inside the balloon. .

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