JP3601291B2 - lighting equipment - Google Patents

lighting equipment Download PDF

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Publication number
JP3601291B2
JP3601291B2 JP7476398A JP7476398A JP3601291B2 JP 3601291 B2 JP3601291 B2 JP 3601291B2 JP 7476398 A JP7476398 A JP 7476398A JP 7476398 A JP7476398 A JP 7476398A JP 3601291 B2 JP3601291 B2 JP 3601291B2
Authority
JP
Japan
Prior art keywords
lamp
hole
yoke
lamp socket
top plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP7476398A
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Japanese (ja)
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JPH11273445A (en
Inventor
光彦 中辻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP7476398A priority Critical patent/JP3601291B2/en
Publication of JPH11273445A publication Critical patent/JPH11273445A/en
Application granted granted Critical
Publication of JP3601291B2 publication Critical patent/JP3601291B2/en
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Description

【0001】
【発明の属する技術分野】
この発明は、照射方向可変型のダウンライトなどの照明器具に関するものである。
【0002】
【従来の技術】
従来例を図5に示す。すなわち、この照明器具は、天井50に設けた孔51に挿通可能な器具本体52と、ランプソケット53を有して器具本体52内に首振り可能に設けられた灯具54とを備えた照射方向可変型の照明器具である。55は天井取付ばね、56は灯部回転軸、57は電源線である。
【0003】
【発明が解決しようとする課題】
しかし、この照明器具は、器具の小型化を図ると器具本体52の内径が小さくなり、灯具54の上部54aが本体内面に当たる、鉛直線に対する角度Aが灯具54の首振り角度の限界となるので、灯具54の首振り角度が小さくなる。一方、灯具54の首振り角度を大きくすると器具が大型化する。
【0004】
したがって、この発明の目的は、器具本体を小型化できしかも首振り角度を大きくすることができる照明器具を提供することである。
【0005】
【課題を解決するための手段】
請求項1記載の照明器具は、天井に設けた孔に挿通可能であって天部に穴を有する器具本体と、天板部と前記天板部の両側より下方に延出した一対の側部を有し前記一対の側部の各端部が前記器具本体に取付けられて前記器具本体の上側に位置するヨークと、前記穴を通して前記器具本体の上方で前記ヨークの内側に配置されたランプソケットを有して前記器具本体内に首振り可能に設けられた灯具とを備え、前記孔に挿通可能に前記器具本体の側方に張り出して前記灯具を最大首振り角度に傾斜したとき前記ランプソケットが内側に進入可能な突出部を、前記ヨークの前記側部の一方を外向きにくの字にすることにより形成するとともに、前記天板部は前記器具本体の前記穴を通して突出した前記ランプソケットの傾斜状態の側面の上側を覆うように形成されていることを特徴とするものである。
【0006】
請求項1記載の照明器具によれば、天井の孔に挿通可能な突出部を設けたため、灯具のランプソケットが突出部の内側に進入することにより灯具の首振り角度を大きくすることができ、しかも器具本体を小型化することができる。またランプソケットに塵埃が付着する面を覆う天板部を設けたため、ランプソケットの高温部に塵埃が付着せず熱による塵埃の焼け等を防ぐことができる。
【0007】
請求項2記載の照明器具は、天井に設けた孔に挿通可能であって天部に穴を有する器具本体と、天板部と前記天板部の両側より下方に延出した一対の側部を有し前記器具本体の上側に位置するヨークと、前記穴を通して前記ヨークの前記一対の側部の各端部が取付けられて前記器具本体内に水平方向に回転可能に支持されるコーンを有し前記コーンに首振り可能に取付けられて前記穴を通して前記器具本体の上方で前記ヨークの内側に配置された前記ランプソケットを設けたカバーを有する灯具とを備え、前記孔に挿通可能に前記器具本体の側方に張り出して前記灯具を最大首振り角度に傾斜したとき前記ランプソケットが内側に進入可能な突出部を、前記ヨークの前記側部の一方を外向きにくの字にすることにより形成するとともに、前記天板部は前記器具本体の前記穴を通して突出した前記ランプソケットの傾斜状態の側面の上側を覆うように形成されていることを特徴とするものである。
請求項2記載の照明器具によれば、請求項1と同様な効果のほか、突出部および天板部が灯具とともに回転するので水平回転角度を大きくすることができる。
【0008】
【発明の実施の形態】
この発明の第1の実施の形態を図1および図2により説明する。すなわち、この照明器具は、器具本体1と、灯具2と、突出部3と、天板部4とを有する。
器具本体1は、天井5に設けた孔6に挿通可能な構成である。実施の形態では、例えば有天円筒形に形成しており、下端開口縁に外つば7を形成し、側壁に複数の取付具8を設け、器具本体1を天井5の孔6に通して孔6の下端縁部に外つば7を係止し、取付具8を天井5の上面に係止して、器具本体1を天井5に取付けている。また器具本体1の内面に設けた係止部(図示せず)に例えばマジックばねを用いた枠支持ばね20を摺動可能に係合し、枠支持ばね20を枠21に取付けて、枠21を器具本体1に対して上下動可能に設け、枠21の上昇位置で外つば7を被覆している。18は天部に設けた穴である。
【0009】
灯具2は、ランプソケット9を有して器具本体1内に首振り可能に設けられている。実施の形態では、ランプソケット9にランプ10が装着され、ランプソケット9をソケット台12に取付けている。ソケット台12はランプ10の外周を被覆する略筒状のカバー14の上端部にねじ17により取付けられて器具本体1の穴18より上方に突出し、ランプソケット9の後端部をソケット台12の上端のソケット取付部12bの内面に取付けてランプソケット9の前端部をカバー14内に向けている。ランプソケット9に装着されたランプ10の先端はカバー14を通り抜けてその下端部より下方に突出している。カバー14は両側の相対向位置に一対の軸受け凹部16を設けている。コーン11は略円筒状であり、カバー14の外周に遊嵌し下端部が枠21の内つばに載置され、枠21の立ち上がり部21aにガイドされて水平回転自在になっている。このコーン11は軸受け凹部16を軸支する軸部15を設けている。したがって、カバー14を軸部15の回りに回動すると、ソケット台12に取付けられたランプソケット9およびランプ10が例えば想像線のように首振りし、コーン11を枠21に対して水平回転すると、ランプ10が水平回転する。
【0010】
突出部3は、孔6に挿通可能に器具本体1の側方に張り出して灯具2を最大首振り角度に傾斜したとき、ランプソケット9が内側に進入可能な構成である。実施の形態では器具本体1の上端部に略逆U字形のヨーク23を設け、その一側部を例えばくの字形に折曲することにより突出部3を形成している。ヨーク23の一端部を器具本体1の天部にねじ22により取付け、突出部3のある他端部を器具本体1の側面に取付けている。このため、突出部3は器具本体1から側方の外方に突出しているが、一部だけのため孔6を通して天井裏に挿通できる。またランプソケット9のあるソケット台12を突出部3の内側に向けて灯具2を最大傾斜したとき灯具2が図1のように傾斜するので、器具本体1を小型化してもそれよりもソケット台12が外方に突出する角度にランプ10を傾斜することができる。またヨーク23の幅方向は天井裏に開口しているため、最大角度に傾斜した状態で器具本体1を水平回転することができる。その範囲はヨーク23の突出部3と対向する垂直壁25にソケット台12の回動が規制される範囲Aであり、範囲Aは360度以下であるが約180度を超える角度である。
【0011】
26は垂直壁25に取付けられた端子台、27は端子台26とランプソケット9とを接続するリード線である。
天板部4は、少なくともランプソケット9に塵埃が付着する面を覆うものである。実施の形態では、ヨーク23の天部23aが相当するが、突出部3の一部を形成する突出部3の上側傾斜部23bもソケット取付部12b上を覆っている。ヨーク23の天部23aは図2に示すように、ランプソケット9の最大傾斜角度でソケット台12の側面の上部12aの水平回動軌跡を被覆する略円板形に形成している。
【0012】
このようにして、最大首振り角度に灯具2を傾けたとき、ランプソケット9の側面を覆うソケット台12の側面の上部12aがいかなる場合も器具上部からの投影面内に収める理由はつぎのとおりである。すなわち、最大首振り角度に灯具2を傾けたとき、ランプ10の熱が器具の下方からの対流によりソケット台12の上部12aに伝達され、上部12aは加熱されてかなり高温となる。しかしランプソケット9のソケット取付部12bはランプ10の熱伝導のみで対流の作用をほとんど受けないため、上部12aに比べると温度は低くなる。よって、ソケット台12の側面の上部12aを器具上方から覆っていれば高温部の露出により高温部に付着する塵埃の焼け等を防ぐことができる。
【0013】
この実施の形態によれば、天井5の孔6に挿通可能な突出部3を設けたため、灯具2のランプソケット9が突出部3の内側に進入することにより灯具2の首振り角度を大きくすることができ、しかも器具本体1を小型化することができる。またランプソケット9に塵埃が付着する面を覆う天板部4を設けたため、ランプソケット9の高温部に塵埃や水滴が付着せず熱による塵埃の焼け等を防ぐことができる照射方向可変型照明器具(ユニバーサルダウンライト)を提供できる。
【0014】
この発明の第2の実施の形態を図3および図4により説明する。すなわち、第1の実施の形態において、灯具2は水平方向に回転可能であり、かつ突出部3および天板部4は灯具2と一体に回転する。この実施の形態では、ヨーク23をコーン11に取付けたものである。この場合、ヨーク23の両側空間にソケット台12が延びることがないので、天板部4の面積を小さくすることができ、また器具本体1も天部側にヨーク取付部が必要でなく、器具本体1の高さを低くしカバー14を上方に突出させる程度に器具本体1を小型化することができる。
【0015】
この実施の形態によれば、灯具2は水平方向に回転可能であり、かつ突出部3および天板部4は灯具2と一体に回転するため、水平回転角度を第1の実施の形態よりもさらに大きくすることができ、360度回転が可能な照射方向可変型照明器具(ユニバーサルダウンライト)が実現可能である。
その他は第1の実施の形態と同様である。
【0016】
【発明の効果】
請求項1記載の照明器具によれば、天井の孔に挿通可能な突出部を設けたため、灯具のランプソケットが突出部の内側に進入することにより灯具の首振り角度を大きくすることができ、しかも器具本体を小型化することができる。またランプソケットに塵埃が付着する面を覆う天板部を設けたため、ランプソケットの高温部に塵埃が付着せず熱による塵埃の焼け等を防ぐことができる。
【0017】
請求項2記載の照明器具によれば、請求項1と同様な効果のほか、突出部および天板部が灯具とともに回転するので水平回転角度を大きくすることができる。
【図面の簡単な説明】
【図1】この発明の第1の実施の形態の半断面側面図である。
【図2】その平面図である。
【図3】第2の実施の形態の半断面側面図である。
【図4】その平面図である。
【図5】従来例の半断面側面図である。
【符号の説明】
1 器具本体
2 灯具
3 突出部
4 天板部
5 天井
6 孔
9 ランプソケット
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a lighting device such as a variable illumination direction downlight.
[0002]
[Prior art]
FIG. 5 shows a conventional example. That is, this lighting device has an irradiation direction including a device main body 52 that can be inserted into a hole 51 provided in a ceiling 50, and a lamp 54 having a lamp socket 53 and swingably provided in the device main body 52. It is a variable lighting fixture. 55 is a ceiling-mounted spring, 56 is a lamp rotating shaft, and 57 is a power supply line.
[0003]
[Problems to be solved by the invention]
However, in this luminaire, when the size of the luminaire is reduced, the inner diameter of the luminaire main body 52 becomes smaller, and the angle A with respect to the vertical line, at which the upper part 54a of the luminaire 54 hits the inner surface of the main body, is the limit of the swing angle of the luminaire 54. Thus, the swing angle of the lamp 54 is reduced. On the other hand, if the swing angle of the lamp 54 is increased, the size of the fixture increases.
[0004]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a lighting fixture that can reduce the size of the fixture body and increase the swing angle.
[0005]
[Means for Solving the Problems]
The lighting device according to claim 1, wherein the lighting device is insertable into a hole provided in a ceiling and has a hole in a top portion, and a pair of side portions extending downward from both sides of the top plate portion and the top plate portion. A yoke, each end of the pair of side portions being attached to the fixture body and being located above the fixture body, and a lamp socket disposed inside the yoke above the fixture body through the hole. A lamp provided to be swingable within the appliance body, and the lamp socket when the lamp is inclined to the maximum swing angle by projecting to the side of the appliance body so as to be inserted into the hole. Is formed by forming one of the side portions of the yoke outwardly in a U-shape, and the top plate portion projects through the hole of the instrument body. The upper side of the side And it is characterized in that it is formed in Migihitsuji.
[0006]
According to the lighting device of the first aspect, since the protrusion that can be inserted into the hole in the ceiling is provided, the swing angle of the lamp can be increased by the lamp socket of the lamp entering the inside of the protrusion, Moreover, the size of the instrument body can be reduced. In addition, since the lamp socket is provided with the top plate that covers the surface to which the dust adheres, the dust does not adhere to the high-temperature portion of the lamp socket, so that the burning of the dust due to heat can be prevented.
[0007]
3. The lighting device according to claim 2 , wherein the device body is insertable into a hole provided in a ceiling and has a hole in a top portion, and a pair of side portions extending downward from both sides of the top plate portion and the top plate portion. A yoke positioned on the upper side of the instrument body, and a cone to which each end of the pair of sides of the yoke is attached through the hole and supported in the instrument body to be rotatable in a horizontal direction. A lamp having a cover provided with the lamp socket disposed inside the yoke above the instrument body through the hole and swingably attached to the cone, and the instrument is inserted through the hole. By projecting to the side of the main body and projecting the lamp socket into the inside when the lamp is tilted at the maximum swing angle, one of the sides of the yoke is bent outward. Forming and said The plate portion is characterized in that it is formed so as to cover the upper side of the inclined state of the lamp socket projecting through the hole in the instrument body.
According to the lighting device of the second aspect, in addition to the same effect as the first aspect, the horizontal rotation angle can be increased because the protrusion and the top plate rotate together with the lamp.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS. That is, this lighting fixture has the fixture main body 1, the lamp 2, the projecting portion 3, and the top plate 4.
The appliance main body 1 has a configuration that can be inserted into a hole 6 provided in a ceiling 5. In the embodiment, for example, it is formed in a cylindrical shape with an outer end, an outer brim 7 is formed at an opening edge at a lower end, a plurality of fixtures 8 are provided on a side wall, and the appliance body 1 is passed through a hole 6 of a ceiling 5. An outer brim 7 is locked to the lower edge of 6, a fixture 8 is locked to the upper surface of the ceiling 5, and the appliance body 1 is mounted on the ceiling 5. Further, a frame support spring 20 using, for example, a magic spring is slidably engaged with a locking portion (not shown) provided on the inner surface of the instrument body 1, and the frame support spring 20 is attached to the frame 21, Is provided so as to be able to move up and down with respect to the instrument body 1, and covers the outer collar 7 at the position where the frame 21 is raised. Reference numeral 18 denotes a hole provided in the top.
[0009]
The lamp 2 has a lamp socket 9 and is provided to be swingable in the appliance body 1. In the embodiment, the lamp 10 is mounted on the lamp socket 9, and the lamp socket 9 is mounted on the socket base 12. The socket base 12 is attached to the upper end of a substantially cylindrical cover 14 covering the outer periphery of the lamp 10 with screws 17 and protrudes upward from the hole 18 of the fixture body 1. The lamp socket 9 is mounted on the inner surface of the socket mounting portion 12b at the upper end so that the front end of the lamp socket 9 faces the inside of the cover 14. The tip of the lamp 10 mounted on the lamp socket 9 passes through the cover 14 and protrudes downward from the lower end thereof. The cover 14 has a pair of bearing recesses 16 at opposing positions on both sides. The cone 11 has a substantially cylindrical shape, and is loosely fitted on the outer periphery of the cover 14, the lower end is placed on the inner flange of the frame 21, and is guided by the rising portion 21 a of the frame 21 to be horizontally rotatable. The cone 11 is provided with a shaft 15 that supports the bearing recess 16. Therefore, when the cover 14 is rotated about the shaft 15, the lamp socket 9 and the lamp 10 attached to the socket base 12 are swung, for example, as imaginary lines, and the cone 11 is horizontally rotated with respect to the frame 21. , The lamp 10 rotates horizontally.
[0010]
The protruding portion 3 is configured to protrude to the side of the appliance main body 1 so as to be inserted into the hole 6 and to allow the lamp socket 9 to enter the inside when the lamp 2 is inclined at the maximum swing angle. In the embodiment, a substantially inverted U-shaped yoke 23 is provided at the upper end of the instrument body 1, and the protruding portion 3 is formed by bending one side of the yoke 23 into, for example, a dogleg shape. One end of the yoke 23 is attached to the top of the instrument body 1 with the screw 22, and the other end with the protrusion 3 is attached to the side surface of the instrument body 1. For this reason, the protruding portion 3 protrudes laterally outward from the appliance main body 1, but only a part thereof can be inserted through the hole 6 into the space above the ceiling. Further, when the lamp 2 is tilted as shown in FIG. 1 when the lamp base 2 with the lamp socket 9 is directed toward the inside of the protrusion 3, the lamp 2 is tilted as shown in FIG. The lamp 10 can be tilted to an angle at which 12 projects outward. Further, since the width direction of the yoke 23 is open behind the ceiling, the instrument body 1 can be horizontally rotated in a state of being inclined at the maximum angle. The range is a range A in which the rotation of the socket base 12 is restricted by the vertical wall 25 facing the protruding portion 3 of the yoke 23. The range A is an angle of 360 degrees or less but more than about 180 degrees.
[0011]
26 is a terminal block attached to the vertical wall 25, and 27 is a lead wire connecting the terminal block 26 and the lamp socket 9.
The top plate 4 covers at least a surface of the lamp socket 9 to which dust adheres. In the embodiment, the top portion 23a of the yoke 23 corresponds, but the upper inclined portion 23b of the protrusion 3 forming a part of the protrusion 3 also covers the socket mounting portion 12b. As shown in FIG. 2, the top portion 23a of the yoke 23 is formed in a substantially disk shape that covers the horizontal rotation locus of the upper portion 12a on the side surface of the socket base 12 at the maximum inclination angle of the lamp socket 9.
[0012]
In this way, when the lamp 2 is tilted to the maximum swing angle, the reason why the upper part 12a of the side surface of the socket base 12 that covers the side surface of the lamp socket 9 is always contained in the projection plane from the upper part of the fixture is as follows. is there. That is, when the lamp 2 is tilted to the maximum swing angle, the heat of the lamp 10 is transmitted to the upper portion 12a of the socket base 12 by convection from below the device, and the upper portion 12a is heated to a considerably high temperature. However, since the socket mounting portion 12b of the lamp socket 9 receives only the heat conduction of the lamp 10 and is hardly affected by convection, the temperature is lower than that of the upper portion 12a. Therefore, if the upper part 12a of the side surface of the socket base 12 is covered from above the appliance, it is possible to prevent burning of dust adhering to the high temperature part due to exposure of the high temperature part.
[0013]
According to this embodiment, since the protrusion 3 that can be inserted into the hole 6 of the ceiling 5 is provided, the swing angle of the lamp 2 is increased by the lamp socket 9 of the lamp 2 entering the inside of the protrusion 3. And the size of the instrument body 1 can be reduced. Further, since the top plate portion 4 is provided on the lamp socket 9 for covering the surface to which dust adheres, dust and water droplets do not adhere to the high-temperature portion of the lamp socket 9 so that the burning of dust due to heat can be prevented. Equipment (universal downlight) can be provided.
[0014]
A second embodiment of the present invention will be described with reference to FIGS. That is, in the first embodiment, the lamp 2 is rotatable in the horizontal direction, and the projection 3 and the top plate 4 rotate integrally with the lamp 2. In this embodiment, the yoke 23 is attached to the cone 11. In this case, since the socket base 12 does not extend to the space on both sides of the yoke 23, the area of the top plate 4 can be reduced, and the instrument body 1 does not need a yoke mounting portion on the top side. The apparatus main body 1 can be downsized so that the height of the main body 1 is reduced and the cover 14 is protruded upward.
[0015]
According to this embodiment, the lamp 2 is rotatable in the horizontal direction, and the projection 3 and the top plate 4 rotate integrally with the lamp 2, so that the horizontal rotation angle is larger than that of the first embodiment. It is possible to further increase the size and realize an illumination direction variable illumination device (universal downlight) capable of rotating 360 degrees.
Others are the same as in the first embodiment.
[0016]
【The invention's effect】
According to the lighting device of the first aspect, since the protrusion that can be inserted into the hole in the ceiling is provided, the swing angle of the lamp can be increased by the lamp socket of the lamp entering the inside of the protrusion, Moreover, the size of the instrument body can be reduced. In addition, since the lamp socket is provided with the top plate that covers the surface to which the dust adheres, the dust does not adhere to the high-temperature portion of the lamp socket, so that the burning of the dust due to heat can be prevented.
[0017]
According to the lighting device of the second aspect, in addition to the same effect as the first aspect, the horizontal rotation angle can be increased because the protrusion and the top plate rotate together with the lamp.
[Brief description of the drawings]
FIG. 1 is a half sectional side view of a first embodiment of the present invention.
FIG. 2 is a plan view thereof.
FIG. 3 is a half cross-sectional side view of a second embodiment.
FIG. 4 is a plan view thereof.
FIG. 5 is a half sectional side view of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Device main body 2 Lamp 3 Projecting part 4 Top plate 5 Ceiling 6 Hole 9 Lamp socket

Claims (2)

天井に設けた孔に挿通可能であって天部に穴を有する器具本体と、天板部と前記天板部の両側より下方に延出した一対の側部を有し前記一対の側部の各端部が前記器具本体に取付けられて前記器具本体の上側に位置するヨークと、前記穴を通して前記器具本体の上方で前記ヨークの内側に配置されたランプソケットを有して前記器具本体内に首振り可能に設けられた灯具とを備え、前記孔に挿通可能に前記器具本体の側方に張り出して前記灯具を最大首振り角度に傾斜したとき前記ランプソケットが内側に進入可能な突出部を、前記ヨークの前記側部の一方を外向きにくの字にすることにより形成するとともに、前記天板部は前記器具本体の前記穴を通して突出した前記ランプソケットの傾斜状態の側面の上側を覆うように形成されていることを特徴とする照明器具。 An appliance body that can be inserted into a hole provided in the ceiling and has a hole in the top portion , a top plate portion and a pair of side portions extending downward from both sides of the top plate portion; A yoke, each end of which is attached to the instrument body and located above the instrument body, and a lamp socket disposed inside the yoke above the instrument body through the hole and within the instrument body. A lamp that is swingably provided, and a projection that allows the lamp socket to enter inward when the lamp is tilted to the maximum swing angle by projecting to the side of the appliance body so as to be inserted into the hole. The yoke is formed by forming one of the side portions of the yoke outwardly , and the top plate portion covers an upper side of the inclined side of the lamp socket protruding through the hole of the appliance body. this has been formed so as to Luminaire characterized by. 天井に設けた孔に挿通可能であって天部に穴を有する器具本体と、天板部と前記天板部の両側より下方に延出した一対の側部を有し前記器具本体の上側に位置するヨークと、前記穴を通して前記ヨークの前記一対の側部の各端部が取付けられて前記器具本体内に水平方向に回転可能に支持されるコーンを有し前記コーンに首振り可能に取付けられて前記穴を通して前記器具本体の上方で前記ヨークの内側に配置された前記ランプソケットを設けたカバーを有する灯具とを備え、前記孔に挿通可能に前記器具本体の側方に張り出して前記灯具を最大首振り角度に傾斜したとき前記ランプソケットが内側に進入可能な突出部を、前記ヨークの前記側部の一方を外向きにくの字にすることにより形成するとともに、前記天板部は前記器具本体の前記穴を通して突出した前記ランプソケットの傾斜状態の側面の上側を覆うように形成されていることを特徴とする照明器具。 An appliance body that can be inserted into a hole provided in the ceiling and has a hole at the top, a top plate and a pair of side portions extending downward from both sides of the top plate, and an upper side of the appliance body A yoke that is positioned and a cone to which each end of the pair of sides of the yoke is attached through the hole and is supported in the instrument body so as to be rotatable in a horizontal direction, and is swingably attached to the cone. A lamp having a cover provided with the lamp socket disposed inside the yoke above the appliance body through the hole, and protruding to the side of the appliance body so as to be insertable into the hole. When the lamp socket is tilted to the maximum swing angle, the lamp socket is formed to have a protruding portion that can enter the inside by forming one of the side portions of the yoke into an outwardly curved shape, and the top plate portion is The instrument body Luminaire, characterized in that it is formed so as to cover the upper side of the inclined state of the lamp socket projecting through.
JP7476398A 1998-03-24 1998-03-24 lighting equipment Expired - Fee Related JP3601291B2 (en)

Priority Applications (1)

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JP7476398A JP3601291B2 (en) 1998-03-24 1998-03-24 lighting equipment

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Application Number Priority Date Filing Date Title
JP7476398A JP3601291B2 (en) 1998-03-24 1998-03-24 lighting equipment

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Publication Number Publication Date
JPH11273445A JPH11273445A (en) 1999-10-08
JP3601291B2 true JP3601291B2 (en) 2004-12-15

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JP7476398A Expired - Fee Related JP3601291B2 (en) 1998-03-24 1998-03-24 lighting equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007200689A (en) * 2006-01-26 2007-08-09 Matsushita Electric Works Ltd Luminaire

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