JP4191020B2 - Lighting fixture and cover for lighting fixture - Google Patents

Description

  The present invention relates to a lighting fixture and a lighting fixture cover.

In lighting fixtures, the design of covers such as shades and gloves that cover the light source is regarded as important. As lighting fixtures that are hung from the ceiling, those that have a spherical shape as a whole (for example, see Patent Document 1) are known. A star-shaped cover in which a plurality of pyramids protrude radially can be considered.
JP 2002-25319 A

  In the case of a spherical cover, it is possible to fold it like a lantern by adopting a form in which Japanese paper is attached to a spiral bamboo basket. However, since a star-shaped cover is difficult to fold like a lantern, it requires not only a large space for display at stores or stock storage in warehouses, but also when carrying it around. There is a problem that it is inconvenient because of its size and shape.

  The present invention has been completed based on the above circumstances, and an object of the present invention is to provide a star-shaped luminaire cover that can be made in a non-bulky form.

As a means for achieving the above object, the invention of claim 1 is characterized in that a light source is accommodated in a star-shaped cover in which a plurality of pyramid portions project radially, and the cover has a translucent shape. by combining a plurality of paper having sex, constructed from the surface of the polyhedron of substantially spherical form is projected to the pyramid part, the paper has a base portion of a regular polygon, the respective sides of the base portion with the bottom of one side of the base portion and extending to said base portion and flush with, consists of a protruding piece substantially triangular with a pair of oblique side leading to the base, the said base portion protruding pieces A slit-like fitting portion that reaches the center from one end thereof is formed at the boundary line portion of the paper sheet, and a half-length region at the boundary line portion of one of the two paper patterns is defined as the slit-like fitting portion of the other paper pattern. While the base parts are fitted together. The projecting piece portions of the two pattern papers, in which the regular polyhedron is configured by being assembled in a state where the boundary line portions are overlapped and adjacent to each other at an oblique angle, and the base portions are assembled adjacent to each other. However, by connecting the corresponding hypotenuses, the pyramid portion is configured, and a slit hole is formed in one of the hypotenuses of the projecting piece and the other hypotenuse of the projecting piece is formed in the hypotenuse. Is formed so that the coupling piece corresponding to the slit hole protrudes, and the oblique sides of the adjacent projecting piece portions are coupled by fitting the coupling piece into the slit hole, The coupling piece has a shape in which a straight line part that cuts out a part of a circle is matched with the oblique side, and a wedge-shaped recess is formed by the coupling piece and the oblique side of the protruding piece part. Have.

According to a second aspect of the present invention, in the first aspect , the light source is accommodated in the polyhedron surrounded by the base portion, and one or both of the base portion and the protruding piece portion are notched. It is characterized in that the part is formed.

According to a third aspect of the present invention, a lighting fixture is formed by forming a star shape in which a plurality of pyramid portions protrude radially, and a light source is accommodated therein, and a plurality of patterns having translucency are combined. the Rukoto, constructed from the surface of the polyhedron of substantially spherical form is projected to the pyramid part, the paper has a base portion of a regular polygon, the respective sides of the base portion to the base portion flush-like together with extending the bottom of one side of the base portion consists of a protrusion portion of substantially triangular with a pair of oblique side leading to the base, the borderline portion between the base portion and the protrusion portion, the A slit-like fitting portion that reaches from the one end to the center is formed, and the base is formed by fitting a half-length region at the boundary line portion of one of the two paper patterns to the slit-like fitting portion of the other paper pattern. Parts overlap each other and their boundaries The regular polyhedron is configured by being assembled in a state of being adjacent to each other at an angle, and the projecting piece portions of the two pattern papers in which the base portions are assembled adjacent to each other have their corresponding hypotenuses By combining, the pyramid portion is configured, and a slit hole is formed in one oblique side of the projecting piece portion, and a coupling corresponding to the slit hole is formed in the other oblique side of the projecting piece portion. A protruding piece is formed, and the oblique sides of the adjacent protruding piece portions are connected by fitting the connecting piece into the slit hole, and the connecting piece is a part of a circle. It is characterized in that a cut-out straight line portion is matched with the hypotenuse, and a wedge-shaped recess is formed by the coupling piece and the hypotenuse of the projecting piece .

According to a fourth aspect of the present invention, the light source is housed in the polyhedron surrounded by the base portion according to the third aspect , and one or both of the base portion and the protruding piece portion are notched. It is characterized in that the part is formed.

<Invention of Claims 1 and 3 >
Since the star-shaped cover is configured by combining a plurality of patterns, it can be kept thin and not bulky by stacking a plurality of patterns before assembly. Therefore, the space for display and storage is small, and it is convenient to carry. Further, since the oblique sides are coupled to each other because the coupling pieces are inserted into the slit holes and fitted together, the coupling and disassembly can be easily performed.

<Invention of Claims 2 and 4 >
By devising the shape of the notch portion of the base portion, it is possible to project a beautiful shadow pattern on the pyramid portion. Further, when the notch is formed in both the base and the projecting piece, the heat generated by the light source accommodated in the polyhedron can be efficiently released to the outside through the notch.

<Embodiment 1>
A first embodiment of the present invention will be described below with reference to FIGS.

  The lighting fixture of the present embodiment has an incandescent bulb 17 attached to a socket 16 inside a cover 10 having a star shape (compete-like shape) in which 12 regular pentagonal pyramids (hereinafter referred to as pyramid portions 12) project radially. The light source 15 having a different shape is accommodated and can be used by being suspended from a ceiling or the like. The cover 10 has a shape in which the pyramid portion 12 protrudes from the surface of a substantially spherical regular dodecahedron (hereinafter referred to as polyhedron 11) by combining twelve patterns 20 having the same shape and size. It is configured.

  The pattern paper 20 has a translucent milky white (that is, translucent) plate shape, is not easily broken or bent, and is made of a material having a relatively high heat resistance temperature. As a material of the pattern 20, flameproof paper / Warlon paper (Japanese paper on which resin is laminated or Japanese paper coated with resin), synthetic resin material not containing Japanese paper, or the like can be used.

  As shown in FIG. 3, the paper pattern 20 has a base portion 21 that forms a regular pentagon and approximately two sides that extend from the sides of the base portion 21 (the straight portions of the periphery) to the base portion 21. It consists of five projecting piece portions 22 having an equal piece triangular shape. The straight base of each projecting piece portion 22 is a boundary portion 23 between the projecting piece portion 22 and the base portion 21, and the two straight oblique sides 24 and 25 of each projecting piece portion 22 have the same length. It has become. The two oblique sides 24 and 25 of each projecting piece portion 22 are connected in a straight line to the bottom sides (boundary line portions 23) of the two projecting piece portions 22 located on both sides of the projecting piece portion 22. The hypotenuses 24 and 25 and the bottom of the five projecting piece portions 22 are continuous in a single stroke.

  The boundary line portion 23 between the base portion 21 and the projecting piece portion 22 has a length direction from the end portion on the clockwise side with respect to the base portion 21 (on the right side in the projecting piece portion 22 located at the upper center in FIG. 3). A slit-like fitting portion 26 reaching the center is formed in a form that is cut out so as to penetrate the paper pattern 20 from the front and back. The width of the slit-like fitting portion 26 is the same as or slightly larger than the thickness of the pattern paper 20. The slit-like fitting portion 26 is adapted to be fitted with a half-length region where the slit-like fitting portion 26 of the boundary line portion 23 of the other pattern 20 is not formed.

  Of the two hypotenuses 24 and 25 of each projecting piece 22, the hypotenuse 24 on the clockwise side with respect to the base 21 (on the right side in the projecting piece 22 located at the upper center in FIG. 3) A strip 27 extending along the long side is formed flush with the protruding piece 22. Three slit holes 28 are formed in the boundary line (slope side 24) between the band portion 27 and the projecting piece portion 22. The slit holes 28 are elongated along the length direction of the hypotenuse 24 and penetrate the pattern paper 20 on the front and back, and are arranged in series at a constant pitch in the length direction of the hypotenuse 24. The width of the slit hole 28 is the same as or slightly larger than the thickness of the pattern paper 20.

  On the other hand, three coupling pieces 29 are formed on the oblique side 25 opposite to the side where the slit hole 28 is formed, of the two oblique sides 24 and 25 of each projecting piece 22. The coupling piece 29 has a so-called sector shape in which a part of a perfect circle is cut into a comb shape (bow shape), and a straight line portion corresponding to the string is aligned with the hypotenuse 25 and is continuous with the projecting piece portion 22 in a flush manner. So that it protrudes. The three coupling pieces 29 are arranged at the same pitch as the slit holes 28 in the length direction of the hypotenuse 25. The diameter (maximum outer diameter) of the coupling piece 29 is the same as or slightly smaller than the length of the slit hole 28.

  The base portion 21 and the projecting piece portion 22 are formed with cutout portions 30a, 30b, 30c, and 30d that penetrate the paper pattern 20 from the front and back sides, respectively. The first cutout portion 30 a formed in the base portion 21 has a shape that is elongated in a triangular shape toward the center of the base portion 21 along the boundary line portion 23, and extends along the boundary line portion 23. A plurality of first cutout portions 30a are formed side by side. Among the plurality of first cutout portions 30a, the first cutout portion 30a located at the center in the length direction of the boundary line portion 23 is the largest, and the one located closer to the end portion side of the boundary line portion 23 is smaller. On the other hand, the projecting piece 22 has a second cutout portion 30b having a plurality of circles arranged along the hypotenuse 24 where the slit hole 28 is formed, and a second circle having a smaller diameter than the second cutout portion 30b. A plurality of third cutout portions 30c arranged along the second cutout portion 30b on the opposite side of the slit hole 28 across the cutout portion 30b, and a circle having a smaller diameter than the third cutout portion 30c. A plurality of fourth cutout portions 30d are formed along the second cutout portions 30b and alternately arranged with the third cutout portions 30c on the opposite side of the slit hole 28 across the second cutout portion 30b. Yes.

  Next, the assembly procedure of the lighting fixture of this embodiment is demonstrated.

  When assembling, first, another pattern 20 (hereinafter referred to as the second pattern 20B) is assembled to the pattern 20 (hereinafter referred to as the first pattern 20A) that is horizontal in the suspended state. At this time, the horizontal boundary line portion 23B in the base portion 21B of the second pattern paper 20B has the same height as any one of the boundary line portions 23A of the first pattern paper 20A, and the slit-shaped fitting portions 26A and 26B. It is made to approach so that opening edge parts may oppose (refer FIG. 4). Then, at the same time as the slit-like fitting portion 26B of the second pattern 20B is fitted to the half length region of the boundary line portion 23A of the first pattern 20A where the slit-like fitting portion 26A is not formed. The slit-shaped fitting portion 26A of the first pattern paper 20A is fitted to the half length region of the boundary line portion 23B of the second pattern paper 20B where the slit-shaped fitting portion 26B is not formed (FIG. 8). See).

  In this state, two base parts 21A and 21B are obliquely adjacent to form a part of the polyhedron 11. At this time, none of the base parts 21A and 21B is curved. Further, the projecting pieces 22A and 22B that match the bottom sides of both the pattern papers 20A and 20B project diagonally outward from the peripheral edges (sides) of the base portions 21B and 21A of the mating pattern papers 20B and 20A. Part of the unit 12 is configured. Furthermore, the hypotenuses 24, 25 positioned in a straight line on both sides of the boundary portions 23B, 23A fitted to the slit-like fitting portions 26A, 26B correspond to each other, The two protrusions 22A of the first pattern 20A and the two protrusions 22B of the second pattern 20B are adjacent to each other at an angle. The adjacent two protruding piece portions 22A and 22B constitute a part of the pyramid portion 12 protruding from the base portion 21 of the other pattern paper 20 other than the first pattern paper 20A and the second pattern paper 20B.

  As described above, the two paper patterns 20A and 20B are temporarily assembled in such a manner that the boundary portions 23A and 23B of the base portions 21A and 21B are overlapped (matched) and the base portions 21A and 21B are adjacent to each other at an oblique angle. (See FIG. 5).

  Next, another template 20 (hereinafter referred to as a third template 20C) is assembled to the temporary assembly of the first template 20 and the second template 20 (see FIG. 6). When assembling, similarly to the assembly of the first pattern paper 20A and the second pattern paper 20B, the horizontal boundary line portion 23C of the third pattern paper 20C has the same height as the horizontal boundary line portion 23A of the first pattern paper 20A. Then, the slit-shaped fitting portions 26A and 26C are approached from the left in FIG. 6 so that the opening ends thereof are opposed to each other, and the slit-shaped fitting portion 26A of the boundary line portion 23A of the first pattern paper 20A. At the same time that the slit-like fitting portion 26C of the third pattern 20C is fitted to the non-formed half-length region, the slit-like fitting portion 26C of the boundary line portion 23C of the third pattern 20C is formed. The slit-like fitting portion 26A of the first pattern 20A is fitted to the half length region that is not. At this time, the projecting piece portions 22A and 22B of the first pattern paper 20A and the second pattern paper 20B adjacent to each other are curved outward so as to leave a space between the projecting piece portions 22A and 22B. The projecting piece 22C protruding in the assembling direction of the third type paper 20C is passed so as to be interrupted. Then, the slit-like fitting portion 26C formed along the bottom side (boundary line portion 23C) of the projecting piece portion 22C of the third pattern paper 20C that has been passed through is formed into a slit shape in the boundary line portion 23B of the second pattern paper 20B. The half-length region where the fitting portion 26 is not formed is fitted, and the slit-like fitting portion 26B of the boundary line portion 23B of the second pattern 20B is used as the boundary line of the protruding piece 22C of the third pattern 20C. The half length area | region in which the slit-shaped fitting part 26C in the part 23C is not formed is fitted.

  As a result, the base portion 21C of the third pattern 20C is adjacent to both the base portion 21A of the first pattern 20A and the base portion 21B of the second pattern 20B in an oblique posture, and the three base portions 21A, 21B, 21C. Thus, three of the polyhedron 11 are formed. At this time, none of the base portions 21A, 21B, 21C is curved. Further, the two projecting piece portions 22C of the third pattern 20C are obliquely adjacent to the projecting piece portion 22A of the first pattern 20A so that the hypotenuses 24 and 25 coincide with each other, and another two projecting piece portions. 22C is diagonally adjacent to the projecting piece 22B of the second pattern 20B so that the hypotenuses 24 and 25 coincide with each other. The projecting piece 22C of the third pattern 20C also forms part of the pyramid 12 together with the projecting piece 22A of the first pattern 20A or the projecting piece 22B of the second pattern 20B. As described above, the three paper patterns 20A, 20B, and 20C overlap (match) the boundary portions 23A, 23B, and 23C of the base portions 21A, 21B, and 21C, and obliquely align the base portions 21A, 21B, and 21C with each other. Temporarily assembled in the form of adjoining at an angle.

  Thereafter, the fourth to twelfth pattern papers 20 are sequentially assembled in the same manner as described above. When all the patterns 20 are assembled, the base portion 21 forms the polyhedron 11 that is a regular dodecahedron. And after all the pattern papers 20 are assembled, the adjacent projecting piece parts 22 are united. When combining, as shown in FIG. 7 (represents the combined portion of the protruding piece 22A of the first pattern 20A (the frontmost position in FIG. 4) and the protruding piece 22B of the second pattern 20B) By fitting the coupling piece 29 formed on the oblique side 25 of the projecting piece portion 22 into the slit hole 28 formed on the oblique side 24 of the other projecting piece portion 22 from the outer surface side, 24 and 25 are matched with each other while maintaining a straight line state, and are coupled in a state where separation is restricted. Since the projecting piece portions 22 are assembled at an oblique angle to each other, the coupling piece 29 and the band portion 27 are bent so as to crease the projecting piece portion 22. Further, both the bent coupling piece 29 and the band portion 27 are hidden inside the pyramid portion 12.

  By combining the hypotenuses 24 and 25 in this way, the adjacent protruding piece portions 22 are combined so as not to be separated. As a result, the five projecting piece portions 22 form a set, and twelve pyramid portions 12 (regular pentagonal pyramids) projecting radially outward from the base portion 21 with each base portion 21 as a bottom surface are formed at the front portion. . In addition, since the oblique sides 24 and 25 of the projecting piece portion 22 are connected in a straight line with respect to each side (boundary line portion 23) of the base portion 21, the projecting piece portion 22 is not curved.

  The light source 15 is attached to the horizontal first pattern 20A. A mounting hole 14 (not shown in FIGS. 4 and 5) is formed in the base portion 21A of the first pattern 20A in advance, and the socket 16 of the light source 15 is fixed through the mounting hole 14. Thereby, the incandescent lamp 17 is housed inside the polyhedron 11, and the electric wire 18 for power supply extending from the socket 16 passes through the inside of the pyramid part 12 protruding upward from the base part 21A of the first pattern 20A, It is led upward from the apex of the pyramid portion 12. In addition, in the part from which the electric wire 18 is derived | led-out, the front-end | tip of the protrusion piece part 22 is expanded a little. And the electric wire 18 is fixed to the bracket (not shown) currently fixed to the ceiling surface.

  As described above, the star-shaped cover 10 of the present embodiment is configured by combining twelve pattern papers 20, so that the twelve pattern papers 20 are overlapped before assembly so that they are not thin and bulky. Can be in a state. Therefore, the space for displaying and storing the cover 10 is small, and it is convenient to carry. In addition, when assembling the pattern paper 20, the work of cutting is unnecessary, and therefore the workability is excellent.

  Further, since the polyhedron 11 is formed by assembling a plurality of patterns 20 by fitting in the slit-like fitting portions 26, the polyhedron 11 can be firmly maintained in a predetermined shape without using a fixing means by bonding, and the cover 10 can be disassembled. Can also be done easily. Moreover, each of the pyramid portions 12 has a configuration in which the projecting piece portions 22 extending from the five base portions 21 constituting the polyhedron 11 are coupled one by one, so that the pyramid portion 12 is detached from the polyhedron 11. There is no risk of displacement. Further, the five projecting piece portions 22 formed on one sheet of paper pattern 20 constitute separate pyramid parts 12 so that the pyramid parts 12 are connected to each other by the pattern paper 20. As a result, displacement and displacement between the pyramid portions 12 are restricted, and as a result, deformation and distortion of the cover 10 as a whole are less likely to occur.

  In addition, the connection between the oblique sides 24 and 25 of the projecting piece portion 22 constituting the pyramid portion 12 is configured such that the connection piece 29 is inserted into the slit hole 28 to be fitted, so that the connection and disassembly can be performed easily. Can do. In addition, in the coupled state, the edge portion of the slit hole 28 is caught by the wedge-shaped catching portion 29a formed by the coupling piece 29 and the oblique sides 24, 25. There is no risk of separation.

  Further, since the light source 15 is housed inside the polyhedron 11 surrounded by the base portion 21 and the cutout portions 30a, 30b, 30c, and 30d are formed in both the base portion 21 and the projecting piece portion 22, the pyramid portion 12 is beautiful. A shadow pattern is projected. Moreover, since the notches 30a, 30b, 30c, and 30d are formed in both the base portion 21 and the projecting piece portion 22, the heat generated by the light source 15 in the polyhedron 11 is generated by these notches 30a, 30b, 30c, It can be efficiently discharged to the outside of the cover 10 through 30d.

<Other embodiments>
The present invention is not limited to the embodiment described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention, and further, within the scope not departing from the gist of the invention other than the following. Various modifications can be made.

  (1) In the above embodiment, the light source is accommodated inside the polyhedron, but according to the present invention, the light source may be accommodated inside one or a plurality of pyramid portions.

  (2) In the above embodiment, the case where the lighting fixture is of a ceiling hanging type has been described. The present invention can also be applied to a lighting fixture of a type that is placed on a table or floor or a type that is fixed to a wall. In the case of the type to be placed on the table or on the floor, this pedestal is replaced with a pedestal that replaces one pyramid with square pieces extending from each side of the base approximately perpendicular to the base. May be placed on a desk or floor.

  (3) In the above embodiment, the pattern paper is a translucent milky white color. However, according to the present invention, the pattern paper may be transparent, or a translucent color paper pattern other than the milky white color is used. May be.

  (4) In the above embodiment, the base portion is a regular pentagon. However, according to the present invention, the base portion may be a regular polygon other than a regular pentagon, such as a regular hexagon or a regular triangle.

  (5) In the above embodiment, only regular pentagonal base portions are combined, but according to the present invention, a polyhedron may be configured by combining (adjacent) a plurality of types of base portions having different numbers of sides.

  (6) In the above embodiment, the hypotenuse of the substantially triangular projecting piece is a straight line. However, according to the present invention, the hypotenuse of the substantially triangular projecting piece is curved inward, curved outward, It is good also as a line which made a curve and a straight line continue.

  (7) In the above-described embodiment, the oblique side of the projecting piece portion is continuous in a straight line with respect to the boundary line between the projecting piece portion and the base portion. And may be inclined inward or outward by a predetermined angle. In this case, the boundary line portion between the base portion and the projecting piece portion may be bent or bent.

  (8) In the above embodiment, the notch is formed on all the patterns, but according to the present invention, the notch may be formed only on a part of the patterns.

  (9) In the above embodiment, the notch portion is formed in both the base portion and the projecting piece portion. However, according to the present invention, the notch portion may be formed only in one of the base portion and the projecting piece portion. Good.

  (10) In the above embodiment, when the amount of heat generated by the light source is small, a configuration may be adopted in which a notch is not formed in the base part or the protruding piece part.

  (11) In the above-described embodiment, the oblique sides of the projecting pieces may be coupled with an adhesive or the like.

  (12) In the above embodiment, the light source is an incandescent bulb, but the present invention can also be applied when the light source is a halogen bulb or a fluorescent lamp.

  (13) In the above embodiment, all the patterns are milky white (the same color). However, according to the present invention, a cover is configured by combining a plurality of types of patterns with different colors or a plurality of types of patterns with different translucency. May be.

Perspective view of lighting equipment A perspective view of a lighting fixture with a part of the pyramid cut out Front view of paper pattern A perspective view showing the state before the two patterns are assembled A perspective view showing a state where two patterns are assembled. Perspective view that covers the state in which three patterns are assembled Partial enlarged perspective view showing the fitting part of the slit hole and the coupling piece Partially enlarged perspective view showing the fitting state in the slit-like fitting portion

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Cover 11 ... Polyhedron 12 ... Pyramid part 15 ... Light source 20 ... Paper pattern 21 ... Base part 22 ... Projection piece part 23 ... Boundary line part 24 of a base part and a projection piece part 24, 25 ... Oblique side 26 ... Slit-like fitting part 28 ... Slit hole 29 ... Coupling piece 30a, 30b, 30c, 30d ... Notch

Claims (4)

A light source is housed in a star-shaped cover in which a plurality of pyramid parts protrude radially.
The cover is configured in a form in which the pyramid portion protrudes from the surface of a substantially spherical polyhedron by combining a plurality of translucent patterns.
The paper includes a base portion of a regular polygon, with the respective sides of the base portion and extending to said base portion and flush with the bottom of one side of the base portion, a pair of oblique side continuous to the bottom A substantially triangular projecting piece having
A slit-like fitting part that reaches the center from one end is formed at the boundary part of the base part and the protruding piece part,
While the half length region of the boundary line portion of one of the two pattern papers is fitted to the slit-like fitting portion of the other paper pattern, the base portions overlap the boundary line portions and are oblique to each other. The regular polyhedron is configured by being assembled in a state of being adjacent to each other,
The projecting piece portions of the two pattern papers, which are assembled adjacent to each other, are connected to the corresponding hypotenuses to form the pyramid portion ,
A slit hole is formed on one oblique side of the projecting piece portion, and a coupling piece corresponding to the slit hole is formed on the other oblique side of the projecting piece portion, and the coupling portion is coupled to the slit hole. The oblique sides of the projecting piece portions adjacent to each other are joined by fitting pieces,
The coupling piece has a shape in which a straight line part of a part of a circle is made to coincide with the oblique side, and the coupling piece and the oblique side of the protruding piece part form a wedge-shaped recess. Lighting equipment. The said light source is accommodated in the inside of the said polyhedron enclosed by the said base part, The notch part is formed in one or both of the said base part and the said protrusion piece part, The Claim 1 characterized by the above-mentioned. Lighting fixtures. A star is formed by projecting a plurality of pyramid portions radially, and a light fixture is configured by accommodating a light source therein,
By combining a plurality of patterns having translucency, the pyramid portion is configured to protrude from the surface of a substantially spherical polyhedron,
The paper includes a base portion of a regular polygon, and extends to the base portion and flush with the respective sides of the base portion with the base of one side of the base portion, a pair of oblique side continuous to the bottom A substantially triangular projecting piece having
A slit-like fitting part that reaches the center from one end is formed at the boundary part of the base part and the protruding piece part,
While the half length region of the boundary line portion of one of the two pattern papers is fitted to the slit-like fitting portion of the other paper pattern, the base portions overlap the boundary line portions and are oblique to each other. The regular polyhedron is configured by being assembled in a state of being adjacent to each other,
The projecting piece portions of the two pattern papers, which are assembled adjacent to each other, are connected to the corresponding hypotenuses to form the pyramid portion ,
A slit hole is formed in one of the oblique sides of the projecting piece portion, and a coupling piece corresponding to the slit hole is formed in the other oblique side of the projecting piece portion so as to protrude into the slit hole. The oblique sides of the adjacent projecting piece portions are joined together by fitting the joining pieces,
The coupling piece has a shape in which a straight line part of a part of a circle is made to coincide with the oblique side, and the coupling piece and the oblique side of the protruding piece part form a wedge-shaped recess. Cover for lighting equipment. The said light source is accommodated in the inside of the said polyhedron enclosed by the said base part, The notch part is formed in one or both of the said base part and the said protrusion piece part, The Claim 3 characterized by the above-mentioned. Luminaire cover.

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