JP2549856Y2 - Light emission guide - Google Patents
Light emission guideInfo
- Publication number
- JP2549856Y2 JP2549856Y2 JP1992049937U JP4993792U JP2549856Y2 JP 2549856 Y2 JP2549856 Y2 JP 2549856Y2 JP 1992049937 U JP1992049937 U JP 1992049937U JP 4993792 U JP4993792 U JP 4993792U JP 2549856 Y2 JP2549856 Y2 JP 2549856Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- pointer
- space
- filter member
- longitudinal direction
- 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
Links
Landscapes
- Details Of Measuring Devices (AREA)
- Details Of Measuring And Other Instruments (AREA)
Description
【0001】[0001]
【産業上の利用分野】この考案は、裏側から導入した光
を、内部に形成した反射面にて前端側及び後端側にそれ
ぞれ反射させ、全長にわたりその表面から光を発して視
認性を向上させた発光指針に関する。This invention reflects the light introduced from the back side to the front end side and the rear end side on the reflecting surface formed inside, and emits light from the surface over the entire length to improve visibility. It is related to the emitted light guide.
【0002】[0002]
【従来の技術】車両などの計器において、文字盤上を回
転して所定の速度あるいは回転数などを指示する指針
は、特に夜間での視認性を向上させるために、透明材料
で構成し、文字盤の裏側に配置した光源からの光を導入
して指針自身を全長にわたり発光させるようにしたもの
がある。2. Description of the Related Art In an instrument such as a vehicle, a pointer for instructing a predetermined speed or a number of revolutions by rotating on a dial is made of a transparent material, especially for improving visibility at night, and is composed of a character. In some cases, light from a light source disposed on the back side of the board is introduced to cause the pointer itself to emit light over its entire length.
【0003】図5は、発光機能を備えた指針1及び、こ
の指針1に光を供給する光源3を示している。指針1
は、光源3からの光を光導入部5から導入し、導入した
光を、内部に形成した断面が三角形状の空間部7によっ
て形成される先端側反射面9で反射させて指針先端11
側に導くとともに、同後端側反射面13で反射させて指
針後端15側に導き、指針1の発光面17から光を放射
させようとするものである。このとき、光源3からの光
の一部は、両反射面9,13を透過してそのまま直進
し、空間部7の上面19を経て指針1の発光面17から
外部に放射される。これにより、指針1は先端11から
後端15までの全長にわたり発光し、視認性の向上が図
られる。FIG. 5 shows a pointer 1 having a light emitting function and a light source 3 for supplying light to the pointer 1. Guideline 1
The light from the light source 3 is introduced from the light introducing unit 5, and the introduced light is reflected by the distal-end-side reflecting surface 9 formed by the space 7 having a triangular cross section formed therein.
In addition, the light is reflected by the rear end side reflection surface 13 and guided to the rear end 15 of the pointer, so that light is emitted from the light emitting surface 17 of the pointer 1. At this time, a part of the light from the light source 3 passes through the two reflecting surfaces 9 and 13 and proceeds straight as it is, and is emitted to the outside from the light emitting surface 17 of the pointer 1 via the upper surface 19 of the space 7. Thereby, the pointer 1 emits light over the entire length from the front end 11 to the rear end 15, and the visibility is improved.
【0004】ところが、この場合には、両反射面9,1
3を透過して指針1の発光面17から外部に放射される
光は、空間部7を通過することにより他の部位に対して
輝度むらが生じ、指針1全体で均一な輝度が得られない
という問題がある。In this case, however, the two reflecting surfaces 9, 1
Light that passes through the light 3 and is emitted to the outside from the light emitting surface 17 of the pointer 1 passes through the space 7, causing uneven brightness to other parts, and thus it is not possible to obtain uniform luminance over the entire pointer 1. There is a problem.
【0005】このため、従来では、図6に示すように、
指針1の空間部7内に、ポリカ樹脂などで形成され空間
部7とほぼ同形状の調光ピース21を組み込んで、指針
1の全長にわたり輝度の均一化を図っている。For this reason, conventionally, as shown in FIG.
A dimming piece 21 made of a polycarbonate resin or the like and having substantially the same shape as the space 7 is incorporated in the space 7 of the hand 1 so as to make the brightness uniform over the entire length of the hand 1.
【0006】[0006]
【考案が解決しようとする課題】しかしながら、このよ
うな従来の発光指針にあっては、指針1の空間部7に組
み込んだ調光ピース21は、光導入部5を経て導入した
光の量の均一化が難しく、さらに、指針1の両反射面
9,13に整合面21a,21bがそれぞれ接触して反
射面を形成するため、反射面の形状が不均一になり、指
針1を全長にわたりむらなく均一な輝度に保つのが困難
となっている。However, in such a conventional light emitting pointer, the light control piece 21 incorporated in the space 7 of the pointer 1 has an amount of light introduced through the light introducing section 5. It is difficult to make the pointer uniform, and furthermore, since the matching surfaces 21a and 21b are in contact with the two reflection surfaces 9 and 13 of the pointer 1 to form reflection surfaces, the shape of the reflection surface becomes uneven, and the pointer 1 becomes uneven over the entire length. Therefore, it is difficult to maintain a uniform brightness.
【0007】そこで、この考案は、指針の全長にわたり
均一な輝度を保持することを目的としている。Therefore, the present invention aims at maintaining uniform brightness over the entire length of the pointer.
【0008】[0008]
【課題を解決するための手段】前記目的を達成するため
に、この考案は、発光面と反対側に光導入部を設け、こ
の光導入部から導入した光を指針の長手方向に向けて反
射させ一部を透過させる反射面を備えた空間部を、指針
の両側部が開口した状態で設け、前記光導入部から導入
される光の進行方向上であって前記反射面と前記発光面
との間の前記空間部にフィルタ部材を設けた発光指針に
おいて、前記フィルタ部材は、前記空間部を光が通過す
ることにより発光面で生じ得る輝度むらに応じて光の透
過量を変化させるよう遮光処理されたフィルム状であっ
て、前記指針に取り付けられた状態で、指針の前記開口
した両側部から突出する突出部を備えるとともに、この
突出部における指針の長手方向両端側には、この長手方
向に突出して指針に係止固定される突起が形成されてい
る構成としてある。In order to achieve the above object, the present invention provides a light introducing portion on the side opposite to the light emitting surface, and reflects light introduced from the light introducing portion in the longitudinal direction of the pointer. A space provided with a reflecting surface that partially transmits the light is provided in a state where both sides of the pointer are open, and the reflecting surface and the light emitting surface are in the traveling direction of light introduced from the light introducing unit. In the light emitting pointer provided with a filter member in the space portion between the light emitting portions, the filter member shields the light so as to change an amount of light transmission according to luminance unevenness that may occur on a light emitting surface due to light passing through the space portion. In the state of a processed film, attached to the hands, the hands are provided with protrusions that protrude from the open side portions of the hands. Projected on the pointer It is constituted of projections to be locked and fixed is formed.
【0009】[0009]
【作用】このような構成の発光指針によれば、光導入部
から導入された光は、反射面にて反射して指針の長手方
向に導かれ、指針表面の発光面から放射される。また、
光導入部から導入された光の一部は、反射面を透過し空
間部を経てフィルタ部材に達する。フィルタ部材は、空
間部を光が通過することにより発光面で生じ得る輝度む
らに応じて光の透過量を変化させるよう遮光処理されて
いるので、発光面から放射される光の輝度むらを解消
し、指針全長にわたり輝度が均一化するとともに、フィ
ルム状という簡素化された形状であることから、それ自
体の製造及び遮光処理作業も容易であって大量生産に最
適である。さらに、フィルタ部材は、指針の両側部に突
出した突出部における指針長手方向両端側に、この長手
方向に突出して形成された突起が指針に係止されて固定
されるので、別の部材を使用することなく指針への固定
が単独で容易になされる。According to the light emitting pointer having such a configuration, the light introduced from the light introducing portion is reflected by the reflecting surface, guided in the longitudinal direction of the pointer, and emitted from the light emitting surface on the surface of the pointer. Also,
Part of the light introduced from the light introduction unit passes through the reflection surface and reaches the filter member via the space. The filter member is light-shielded so as to change the amount of light transmission according to the brightness unevenness that can occur on the light emitting surface when light passes through the space, eliminating the uneven brightness of light emitted from the light emitting surface. In addition, since the brightness becomes uniform over the entire length of the pointer and the film has a simplified shape, it is easy to manufacture and shade itself, which is optimal for mass production. Further, since the filter member is fixed to the both ends of the pointer in the longitudinal direction of the protrusion at the protrusions protruding to both sides of the pointer, the protrusion formed in the longitudinal direction is fixed to the pointer by being locked. Fixing to the pointer can be easily performed independently without performing.
【0010】[0010]
【実施例】以下、この考案の実施例を図面に基づき説明
する。An embodiment of the present invention will be described below with reference to the drawings.
【0011】図1は、この考案の一実施例に係わり、透
明材料から構成され発光機能を備えた指針23及び、こ
の指針23に光を供給する光源25を示しており、図2
は指針23の要部の斜視図である。指針23は、その裏
側に配置された光源25からの光を内部に導入する光導
入部27が裏側に突出して形成されている。この光導入
部27の光の進行方向前方側の指針23内部には、逆三
角形状の空間部29が、指針23の両側部が開口した貫
通状態で、すなわち図1中で紙面に直交する方向に貫通
した状態で形成されている。FIG. 1 shows a pointer 23 made of a transparent material and having a light emitting function, and a light source 25 for supplying light to the pointer 23 according to an embodiment of the present invention.
Is a perspective view of a main part of the pointer 23. FIG. The pointer 23 is formed such that a light introducing portion 27 for introducing light from the light source 25 disposed on the back side thereof into the inside protrudes to the back side. Inside the pointer 23 on the front side in the light traveling direction of the light introducing section 27, an inverted triangular space portion 29 is formed in a penetrating state in which both sides of the pointer 23 are open, that is, in a direction perpendicular to the paper surface in FIG. Is formed in a state penetrating through.
【0012】上記逆三角形状の空間部29を形成するこ
とにより、光源25からの光を指針23の先端31側に
導くよう反射させ一部を透過させる先端側反射面33
と、同様にして光を指針23の後端35側に導くよう反
射させ一部を透過させる後端側反射面37とが形成され
る。先端31側及び後端35側にそれぞれ導かれた光
は、指針23の表面の発光面39から外部に放射され
る。By forming the above-mentioned inverted triangular space portion 29, a tip-side reflecting surface 33 which reflects light from the light source 25 toward the tip 31 side of the pointer 23 and partially transmits the light.
Similarly, a rear-end-side reflection surface 37 that reflects light so as to guide the light toward the rear end 35 of the pointer 23 and partially transmits light is formed. The light guided to the front end 31 side and the rear end 35 side is radiated outside from the light emitting surface 39 on the surface of the pointer 23.
【0013】空間部29内の上面41近傍には、図3に
示すような、フィルタ部材43が設けられている。この
フィルタ部材43は、透明なフィルムに無数の点あるい
は網目による、いわゆる網点印刷を施すことで遮光処理
したもので、この遮光処理は、空間部29を光が通過す
ることにより発光面39で生じ得る輝度むらに応じて光
の透過量が変化するようにしてある。具体的には、指針
先端31側と後端35側とを結ぶ指針23の長手方向に
沿って光の透過量が変化するようにしてある。例えば、
空間部29を通過して発光面39で放射される光の輝度
が、図1中で左右方向中央部付近で高く、左右両側ほど
低いような場合には、図4に示すように、網点の濃さ
を、左右方向中央部付近で最も濃くして光の透過量を少
なくする一方、左右両側にいくほど徐々に薄くなるよう
にして光の透過量を多くする。A filter member 43 is provided near the upper surface 41 in the space 29 as shown in FIG. The filter member 43 has been subjected to light-shielding processing by applying so-called halftone dot printing to a transparent film by countless dots or meshes. This light-shielding processing is performed by the light-emitting surface 39 when light passes through the space 29. The amount of transmitted light changes in accordance with possible uneven brightness. Specifically, the amount of transmitted light changes along the longitudinal direction of the pointer 23 connecting the leading end 31 side and the trailing end 35 side of the pointer. For example,
When the brightness of the light emitted from the light emitting surface 39 through the space 29 is high near the center in the left-right direction in FIG. 1 and lower on both the left and right sides, as shown in FIG. Is increased most near the center in the left-right direction to reduce the amount of light transmission, while increasing gradually toward the left and right sides to increase the amount of light transmission.
【0014】フィルタ部材43は、指針23の幅に対応
する幅Pが、指針23の空間部29の上面41が形成さ
れた部位の幅Aより大きく形成されて指針23の両側部
から突出する突出部43bを備えるとともに、この突出
部43bにおける指針23の長手方向両端側には、この
長手方向に突出して指針23に係止固定される四つの突
起43aが形成されている。また、空間部29の上面4
1における指針23の長手方向長さBは、フィルタ部材
43の突起43aを除く長さQとほぼ同じである。この
ように形成されたフィルタ部材43を空間部29の上面
41に近接させた状態で空間部29に装着すると、四隅
の突起43aが指針23の外部に露出し、突起43aが
抜け止めとなって係止固定される。The filter member 43 has a width P corresponding to the width of the pointer 23 formed to be larger than the width A of the portion where the upper surface 41 of the space 29 of the pointer 23 is formed, and protrudes from both sides of the pointer 23. In addition to the portion 43b, four protrusions 43a that protrude in the longitudinal direction and are locked and fixed to the pointer 23 are formed on both ends in the longitudinal direction of the pointer 23 in the protrusion 43b. Also, the upper surface 4 of the space 29
The length B in the longitudinal direction of the pointer 23 in 1 is substantially the same as the length Q excluding the protrusion 43a of the filter member 43. When the filter member 43 thus formed is attached to the space 29 in a state of being close to the upper surface 41 of the space 29, the projections 43a at the four corners are exposed to the outside of the hands 23, and the projections 43a are prevented from coming off. Locked and fixed.
【0015】このように構成された発光指針において
は、光源25からの光は、両反射面33,37でそれぞ
れ反射して指針先端31側及び指針後端35側に導か
れ、導かれた光は指針23の発光面39から放射され
る。両反射面33,37に達したそれぞれの光の一部
は、両反射面33,37をそれぞれ透過して直進し、空
間部29を経てフィルタ部材43に達する。In the light emitting pointer thus configured, the light from the light source 25 is reflected by the two reflecting surfaces 33 and 37, respectively, guided to the pointer leading end 31 side and the pointer rear end 35 side, and guided light. Are emitted from the light emitting surface 39 of the pointer 23. Part of the light that has reached the two reflecting surfaces 33 and 37 passes through the two reflecting surfaces 33 and 37 respectively, travels straight, and reaches the filter member 43 via the space 29.
【0016】フィルタ部材43は、光が空間部29を通
過することによって発光面39で生じ得る輝度むらに応
じて光の透過量を変化させているので、空間部29から
フィルタ部材43を経て直進し、指針23の発光面39
から放射される光の輝度むらが抑制され、指針23全長
にわたり発光面39から放射される光の輝度が均一化す
る。The filter member 43 changes the amount of light transmission in accordance with the luminance unevenness that can occur on the light emitting surface 39 when light passes through the space 29, so that the light travels straight from the space 29 via the filter member 43. The light emitting surface 39 of the pointer 23
The uneven brightness of the light emitted from the light source is suppressed, and the brightness of the light emitted from the light emitting surface 39 is made uniform over the entire length of the pointer 23.
【0017】このように、フィルタ部材43によって輝
度むらが抑制できることから、指針23の形状、特にそ
の反射面形状や、指針受光部までのプリズム形状に対す
る制約が緩和され、微妙な輝度バランスの改善が容易と
なる。また、フィルタ部材43は、フィルム状という簡
素化された形状であることから、それ自体の製造及び網
点印刷による遮光処理も容易であって大量生産に最適で
あり、製造コストの低下に寄与できるとともに、指針2
3の両側部に突出した突出部43bにおける指針長手方
向両端側に、この長手方向に突出して形成された突起4
3aが指針23に係止されて固定されるので、別の部材
を使用することなく指針23への固定が単独で容易にな
される。As described above, since the luminance unevenness can be suppressed by the filter member 43, restrictions on the shape of the pointer 23, particularly the shape of the reflecting surface thereof, and the prism shape up to the pointer light receiving portion are relaxed, and a fine improvement in luminance balance can be achieved. It will be easier. Further, since the filter member 43 has a simplified shape such as a film shape, it is easy to manufacture the filter member itself and to perform light-shielding treatment by halftone printing, which is optimal for mass production, and can contribute to a reduction in manufacturing cost. Guideline 2
The protrusions 4 protruding in the longitudinal direction are provided at both ends in the longitudinal direction of the pointer in the protruding portions 43b protruding from both sides of the pointer 3.
Since 3a is locked and fixed to the pointer 23, the fixing to the pointer 23 can be easily performed independently without using another member.
【0018】なお、上記実施例では、フィルタ部材43
は網点印刷によって光の透過量を変化させたが、指針2
3の発光色に合わせた任意の色、例えば白、灰、赤、黄
色などの色印刷によっても同等の効果が得られる。In the above embodiment, the filter member 43 is used.
Changed the amount of light transmitted by halftone dot printing.
The same effect can be obtained by printing a color such as white, gray, red, yellow or the like in accordance with the emission color of No. 3.
【0019】[0019]
【考案の効果】以上説明してきたように、この考案によ
れば、光源からの光を指針の長手方向に向けて反射させ
る反射面を備えた指針内の空間部に、この空間部を光が
通過することにより発光面で生じ得る輝度むらに応じて
光の透過量を変化させるよう遮光処理したフィルム状の
フィルタ部材を設けたため、反射面を透過した光がフィ
ルタ部材を通過することで、発光面から放射される光の
輝度むらを抑制することができ、指針全長にわたる輝度
の均一化を容易に達成することができるとともに、フィ
ルタ部材は、フィルム状という簡素化された形状である
ことから、それ自体の製造及び遮光処理も容易であって
大量生産に最適であり、製造コストの低下に寄与するこ
とができる。さらに、フィルタ部材は、指針の両側部に
突出した突出部における指針長手方向両端側に、この長
手方向に突出して形成された突起が指針に係止されて固
定されるので、別の部材を使用することなく指針への固
定を単独で容易に行うことができる。As described above, according to the present invention, the light from the light source is applied to the space in the pointer provided with the reflecting surface for reflecting the light from the light source toward the longitudinal direction of the pointer. A light-shielding film-shaped filter member is provided to change the amount of light transmission according to the luminance unevenness that may occur on the light-emitting surface by passing the light, so that light transmitted through the reflection surface passes through the filter member, and light is emitted. Since uneven brightness of light emitted from the surface can be suppressed, brightness uniformity can be easily achieved over the entire length of the pointer, and since the filter member has a simplified shape of a film, It is easy to manufacture and shade itself, is optimal for mass production, and can contribute to a reduction in manufacturing cost. Further, since the filter member is fixed to the both ends of the pointer in the longitudinal direction of the protrusion at the protrusions protruding to both sides of the pointer, the protrusion formed in the longitudinal direction is fixed to the pointer by being locked. The fixing to the pointer can be easily performed independently without performing.
【図1】この考案の一実施例を示す、光源から光を導入
した状態の指針の側面図である。FIG. 1 is a side view of a pointer in a state where light is introduced from a light source, showing one embodiment of the present invention.
【図2】図1の指針の要部の拡大された斜視図である。FIG. 2 is an enlarged perspective view of a main part of the pointer of FIG. 1;
【図3】図1の指針に装着されるフィルタ部材の斜視図
である。FIG. 3 is a perspective view of a filter member mounted on the pointer of FIG. 1;
【図4】図3のフィルタ部材における指針長手方向に沿
った網点印刷の濃さを示す説明図である。FIG. 4 is an explanatory diagram showing the density of halftone dot printing along the longitudinal direction of the hands in the filter member of FIG. 3;
【図5】従来例を示す、光源から光を導入した状態の指
針の側面図である。FIG. 5 is a side view of a pointer in a state where light is introduced from a light source, showing a conventional example.
【図6】図5の指針の要部及び、指針の空間部に装着す
る調光ピースの斜視図である。6 is a perspective view of a main part of the pointer of FIG. 5 and a light control piece attached to a space of the pointer.
23 指針 27 光導入部 29 空間部 31 指針先端 33 先端側反射面 35 指針後端 37 後端側反射面 39 発光面 43 フィルタ部材 43a 突起 43b 突出部 23 pointer 27 light introducing section 29 space section 31 pointer tip 33 tip side reflective surface 35 pointer rear end 37 rear end side reflective surface 39 light emitting surface 43 filter member 43a protrusion 43b protrusion
Claims (1)
光導入部から導入した光を指針の長手方向に向けて反射
させ一部を透過させる反射面を備えた空間部を、指針の
両側部が開口した状態で設け、前記光導入部から導入さ
れる光の進行方向上であって前記反射面と前記発光面と
の間の前記空間部にフィルタ部材を設けた発光指針にお
いて、前記フィルタ部材は、前記空間部を光が通過する
ことにより発光面で生じ得る輝度むらに応じて光の透過
量を変化させるよう遮光処理されたフィルム状であっ
て、前記指針に取り付けられた状態で、指針の前記開口
した両側部から突出する突出部を備えるとともに、この
突出部における指針の長手方向両端側には、この長手方
向に突出して指針に係止固定される突起が形成されてい
ることを特徴とする発光指針。1. A space provided with a reflecting surface for providing a light introducing portion on the side opposite to the light emitting surface and reflecting light introduced from the light introducing portion in the longitudinal direction of the pointer and partially transmitting the pointer, Provided in a state where both sides of the light-emitting portion are open, in a light emitting pointer provided with a filter member in the space between the reflective surface and the light-emitting surface in the traveling direction of light introduced from the light introducing portion, The filter member is in the form of a film light-shielded so as to change the amount of light transmission according to luminance unevenness that can occur on the light emitting surface when light passes through the space, and is attached to the hands. In addition, a projection is provided that protrudes from the both sides of the pointer that is opened, and projections that protrude in the longitudinal direction and are fixed to the pointer are formed on both ends of the projection in the longitudinal direction of the pointer. Departure characterized by that Light pointer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1992049937U JP2549856Y2 (en) | 1992-07-16 | 1992-07-16 | Light emission guide |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1992049937U JP2549856Y2 (en) | 1992-07-16 | 1992-07-16 | Light emission guide |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0612995U JPH0612995U (en) | 1994-02-18 |
JP2549856Y2 true JP2549856Y2 (en) | 1997-10-08 |
Family
ID=12844946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1992049937U Expired - Fee Related JP2549856Y2 (en) | 1992-07-16 | 1992-07-16 | Light emission guide |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2549856Y2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5627481B2 (en) * | 2011-01-26 | 2014-11-19 | 矢崎総業株式会社 | Pointer member, pointer unit, and pointer instrument |
JP2012154796A (en) * | 2011-01-26 | 2012-08-16 | Yazaki Corp | Pointer member, pointer unit, and pointer instrument |
JP5713704B2 (en) * | 2011-01-26 | 2015-05-07 | 矢崎総業株式会社 | Pointer member, pointer unit, and pointer instrument |
CN103443593B (en) | 2011-01-26 | 2015-07-01 | 矢崎总业株式会社 | Indicator member, indicator unit and indicator instrument |
JP5735851B2 (en) * | 2011-04-28 | 2015-06-17 | 矢崎総業株式会社 | Pointer device and meter device with the same |
JP5964088B2 (en) * | 2012-03-07 | 2016-08-03 | 矢崎総業株式会社 | Pointer instrument |
JP7246886B2 (en) * | 2018-10-02 | 2023-03-28 | 株式会社ミツトヨ | measuring instrument |
JP7039529B2 (en) * | 2019-07-31 | 2022-03-22 | 矢崎総業株式会社 | Light guide pointer and pointer light emitting device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0245498U (en) * | 1988-09-20 | 1990-03-28 |
-
1992
- 1992-07-16 JP JP1992049937U patent/JP2549856Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0612995U (en) | 1994-02-18 |
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LAPS | Cancellation because of no payment of annual fees |